ammyyadmin | hxxps://www[.]ammyy[.]com/AA_v3[.]php?v=391500530

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2024 08:50

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General

Target

https://www.ammyy.com/AA_v3.php?v=391500530

Score

10^/10

ammyyadmin flawedammyy bootkit discovery persistence rat trojan

Malware Config

Signatures

Ammyy Admin
Remote admin tool with various capabilities.
rat ammyyadmin

AmmyyAdmin payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000200000001e776-54.dat	family_ammyyadmin

FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
trojan flawedammyy

Blocklisted process makes network request 1 IoCs

flow	pid	Process
130	6092	rundll32.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	AA_v3.exe

Executes dropped EXE 3 IoCs

pid	Process
5732	AA_v3.exe
5872	AA_v3.exe
5900	AA_v3.exe

Loads dropped DLL 1 IoCs

pid	Process
6092	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	AA_v3.exe
File opened for modification	\??\PhysicalDrive0	AA_v3.exe

Drops file in System32 directory 11 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft	AA_v3.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache	AA_v3.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData	AA_v3.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\A82946818BB0433A7DC1AFD2189B16AF	AA_v3.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\A82946818BB0433A7DC1AFD2189B16AF	AA_v3.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	AA_v3.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	AA_v3.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751	AA_v3.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content	AA_v3.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751	AA_v3.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	AA_v3.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AA_v3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AA_v3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AA_v3.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Modifies data under HKEY_USERS 11 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy	AA_v3.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin\hr3 = 17ede0332f52834c0677fdf497e6c7a1cee2d200703d38b2c183e753fc51bc495dad9fa96ea4e6bf806e373b47083ff91234255938d57e6ae4c0c7653a5b976551e2f8491a8085d4eb12e4	AA_v3.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	AA_v3.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	AA_v3.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Ammyy\Admin	AA_v3.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Ammyy\Admin	AA_v3.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	AA_v3.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	AA_v3.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	AA_v3.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	AA_v3.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE	AA_v3.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Downloads\Unconfirmed 479846.crdownload:SmartScreen	msedge.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5040	msedge.exe
5040	msedge.exe
1732	msedge.exe
1732	msedge.exe
4032	identity_helper.exe
4032	identity_helper.exe
5612	msedge.exe
5612	msedge.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
5556	msedge.exe
5556	msedge.exe
5556	msedge.exe
5556	msedge.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe
6092	rundll32.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLockMemoryPrivilege	6092	rundll32.exe

Suspicious use of FindShellTrayWindow 36 IoCs

pid	Process
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
5900	AA_v3.exe

Suspicious use of SendNotifyMessage 25 IoCs

pid	Process
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
1732	msedge.exe
5900	AA_v3.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2204	1732	msedge.exe	84
PID 1732 wrote to memory of 2204	1732	msedge.exe	84
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 2200	1732	msedge.exe	86
PID 1732 wrote to memory of 5040	1732	msedge.exe	87
PID 1732 wrote to memory of 5040	1732	msedge.exe	87
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88
PID 1732 wrote to memory of 3744	1732	msedge.exe	88

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.ammyy.com/AA_v3.php?v=391500530
1⤵
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffb517b46f8,0x7ffb517b4708,0x7ffb517b4718
  2⤵
  PID:2204
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
  2⤵
  PID:2200
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2244 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5040
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2796 /prefetch:8
  2⤵
  PID:3744
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3264 /prefetch:1
  2⤵
  PID:4376
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3272 /prefetch:1
  2⤵
  PID:2596
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5356 /prefetch:8
  2⤵
  PID:4328
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5356 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4032
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5436 /prefetch:8
  2⤵
  PID:4296
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4124 /prefetch:1
  2⤵
  PID:4632
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5884 /prefetch:8
  2⤵
  PID:5140
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6220 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5612
- C:\Users\Admin\Downloads\AA_v3.exe
  "C:\Users\Admin\Downloads\AA_v3.exe"
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  PID:5732
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1784 /prefetch:1
  2⤵
  PID:4956
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1676 /prefetch:1
  2⤵
  PID:1516
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5556 /prefetch:1
  2⤵
  PID:5524
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5632 /prefetch:1
  2⤵
  PID:5536
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,8791028319087106691,11443313406737140680,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4888 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5556

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3300

C:\Users\Admin\Downloads\AA_v3.exe
"C:\Users\Admin\Downloads\AA_v3.exe" -service -lunch
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5872
- C:\Users\Admin\Downloads\AA_v3.exe
  "C:\Users\Admin\Downloads\AA_v3.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:5900
- - C:\Windows\SYSTEM32\rundll32.exe
    rundll32.exe "C:\ProgramData\AMMYY\aa_nts.dll",run
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:6092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\AMMYY\aa_nts.dll

Filesize
902KB

MD5
480a66902e6e7cdafaa6711e8697ff8c

SHA1
6ac730962e7c1dba9e2ecc5733a506544f3c8d11

SHA256
7eaaaa6010bbcd6bb8c9ad08d4b0966c7aedc9b2ac24758f170012ac36e508b5

SHA512
7d010cd47b7d1adf66f9c97afc6c3805997aa5c7cc6ff13eddee81f24cf2b95a3fe375ec5b3d6185c0bc8840b4ad91ae143c73a39af26391cc182ab6a1793ba5

Download Submit
C:\ProgramData\AMMYY\aa_nts.log

Filesize
4KB

MD5
61cf41c7ddeeea4368e97fb6fb0fd2d5

SHA1
aa9eb96c3f3f6f67ce7ef6997ae83a6faca1498a

SHA256
e3c16d9d510e17237bc7c4deb1c189f9404dbea5fd45c2defb385c91f1e3b855

SHA512
33f460e62ca7de94fca8d97bfc9f4eb61c2005fbfb8ee5285972af8959ef084f2428af8beba106bda2d3e73e0b6448e5a37836fed6cbd7d6953558465ca4af28

Download Submit
C:\ProgramData\AMMYY\aa_nts.msg

Filesize
46B

MD5
76038623e270f399769df67a3ed15c16

SHA1
ebf7d7537f45738be48e6f64d59c846b13fb4334

SHA256
4dbdf4f709d50f9521e92ce5f7d4f305e2384bcda387fb2b325ff17d205bb687

SHA512
a5316694d844e5b10c589f58fdf65645568b3909b2914f85c99195f9625e4124f787bc0980cff98f1e8289ff84824620a03f32cdab18e5bbcb2e59b33f397aec

Download Submit
C:\ProgramData\AMMYY\settings3.bin

Filesize
334B

MD5
e5bb81365567b76c819f2e4e3c270662

SHA1
e833be510f9c9b9842b80212b393d97405aa01a9

SHA256
8bf3acb0fb958d31bfa956a6e82e9aed7f6f9d7d6c2e02761a4ef938e7370342

SHA512
04b0f08e59f92b286a7a5475dce51e92683f8421077389cf1aa396fdc9c1d02a42002227faed16bb61d4d7f018297275edbf2498216b3f756c78ca05daab2b62

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\7f2423d1-f45f-4187-9ebf-b6d7ad3729ff.tmp

Filesize
11KB

MD5
8d2e3fdea9c6e08bb91ff5246fb80f55

SHA1
a0476bb4b24299c5fa73e26d1f97ec6f29b96d72

SHA256
959a665e7092d8c4d8b169d48c2173ec225e2b466f33847469e4db4495c6002c

SHA512
1a278947b65dbb8f3ac1ee0296ccbadb671977c725b0ca17b5989f828ee27e16f2dbdd241b9de8ba87bdc5a0993fe01c802046cfaec1f40b3fba7ca0d6c843ea

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
d7cb450b1315c63b1d5d89d98ba22da5

SHA1
694005cd9e1a4c54e0b83d0598a8a0c089df1556

SHA256
38355fd694faf1223518e40bac1996bdceaf44191214b0a23c4334d5fb07d031

SHA512
df04d4f4b77bae447a940b28aeac345b21b299d8d26e28ecbb3c1c9e9a0e07c551e412d545c7dbb147a92c12bad7ae49ac35af021c34b88e2c6c5f7a0b65f6a8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
37f660dd4b6ddf23bc37f5c823d1c33a

SHA1
1c35538aa307a3e09d15519df6ace99674ae428b

SHA256
4e2510a1d5a50a94fe4ce0f74932ab780758a8cbdc6d176a9ce8ab92309f26f8

SHA512
807b8b8dc9109b6f78fc63655450bf12b9a006ff63e8f29ade8899d45fdf4a6c068c5c46a3efbc4232b9e1e35d6494f00ded5cdb3e235c8a25023bfbd823992d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
72B

MD5
77fb7530eb9772d8ad116387636a32ce

SHA1
291f1c96c1613759b8dacd9679b70d3b3ecf0458

SHA256
f6571d4a89fe8382e5a09d5ae3d4e65596c47859c919f56fa9a0912d6573589d

SHA512
9028b58993b83ab871018376b7c5cdda14f58624bb0d88cf10b7ddc35be8df73b50c949d9c4a101862a06fa08bfc51439d84d6df8952406572b5d1ae9f1aef17

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
402B

MD5
69ee464452495d93d18f4b8e67f63d4e

SHA1
924d784a273ecf449f7217978d3774967d39bbd8

SHA256
9614cc7799adf4df4ba6957d7792a76709fbcda60b748a7894f8ecd14d683945

SHA512
679f90af2ba2791bf35d4a755470080f1ecbebae489d6ac42bbef217ef33d80fb7a9f301957d57d0c03d05996ce2b92752079c88d68fb63843b61e53bd0d95cb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
d546f1dc5a883d949ec7528676e1ea91

SHA1
72e98d8ba74f3a2ad650f3272a01937be457cd33

SHA256
3efb6a1c1942c326841b10758790e6440058ab297f24a11be48bcd9065729ccb

SHA512
f450dc58fb1346140984799f8bb967f0b0d49828ce2f625850a9e73003ba37b417f923c3547f3de6e26f2b487d42bb6854590d66de78cd64a000e24495376853

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
2ae43e176deb0140f237aa1ada294b27

SHA1
c9a11d8c3a865b1eadbf3deb94571c8475f8f76a

SHA256
052786b5b217d2c0ff6d692d19c25c6d8d2004c29aa68909db7cf1347fdcfd9d

SHA512
7115e91adc9210602686a34409700aedc902ef8622ad603869b5ea947476147f2ccd1cd91b46013da58cbcaf40444e252688ba77ac1956b6b5d2fbe5cbb94933

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
fc6ae9c7fb4f1397e1f6d526081c2057

SHA1
518d2c5bcb43b5268b9e02ea2586472555566191

SHA256
f29f6c08556d2393bf267ea22882cf593e9d95f542525e265acc42aa5e96fc8c

SHA512
67edae14a2b98c28f382992dd82d26f1c7f132a60a594f889464e4908459ead1de97714b705e309768d0c94a4c227f99de91e6da5e072acf1c2b755cd9833a56

Download Submit
C:\Users\Admin\Downloads\Unconfirmed 479846.crdownload

Filesize
798KB

MD5
90aadf2247149996ae443e2c82af3730

SHA1
050b7eba825412b24e3f02d76d7da5ae97e10502

SHA256
ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a

SHA512
eec32bb82b230dd309c29712e72d4469250e651449e127479d178eddbafd5a46ec8048a753bc2c1a0fdf1dc3ed72a9453ca66fb49cbf0f95a12704e5427182be

Download Submit
memory/6092-128-0x0000000064200000-0x00000000642EE000-memory.dmp

Filesize
952KB

Download
memory/6092-200-0x0000000064200000-0x00000000642EE000-memory.dmp

Filesize
952KB

Download
memory/6092-212-0x0000000064200000-0x00000000642EE000-memory.dmp

Filesize
952KB

Download
memory/6092-229-0x0000000064200000-0x00000000642EE000-memory.dmp

Filesize
952KB

Download
memory/6092-251-0x0000000064200000-0x00000000642EE000-memory.dmp

Filesize
952KB

Download
memory/6092-274-0x0000000064200000-0x00000000642EE000-memory.dmp

Filesize
952KB

Download
memory/6092-294-0x0000000064200000-0x00000000642EE000-memory.dmp

Filesize
952KB

Download