b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135

Analysis

max time kernel
152s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21/10/2022, 01:42

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General

Target

b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe
Size

528KB
MD5

4b88c6e996a391b8be1ede13d555e63d
SHA1

96ed996d88a6214a048f7f445bbf19dd33a2140c
SHA256

b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135
SHA512

514c42bfbae92d786e612d620994a4f39ce161a936636a56fa66dc540cf7ea8e091a244fa04fff452591ef20ca32db87beb69213ac96f0ef771dffc2e2b6cc61
SSDEEP

6144:qo2gmzMtvK9x08Opj5XV+1iRkST3H963kbZw6EBRiWcfX:nFmKa

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wmplayer = "C:\\MessengerPlus\\wmplayer.exe"	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\77652bf6-6d54-4a71-886d-6ce270ccc971.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20221021100317.pma	setup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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 Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "00000001"	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Download	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
216	msedge.exe
216	msedge.exe
5028	msedge.exe
5028	msedge.exe
4048	identity_helper.exe
4048	identity_helper.exe
1004	msedge.exe
1004	msedge.exe
1004	msedge.exe
1004	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
5028	msedge.exe
5028	msedge.exe
5028	msedge.exe
5028	msedge.exe
5028	msedge.exe
5028	msedge.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2808	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2808	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5028	msedge.exe
5028	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4328	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 5028	4328	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe	81
PID 4328 wrote to memory of 5028	4328	b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe	81
PID 5028 wrote to memory of 4964	5028	msedge.exe	82
PID 5028 wrote to memory of 4964	5028	msedge.exe	82
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 320	5028	msedge.exe	85
PID 5028 wrote to memory of 216	5028	msedge.exe	86
PID 5028 wrote to memory of 216	5028	msedge.exe	86
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87
PID 5028 wrote to memory of 1760	5028	msedge.exe	87

C:\Users\Admin\AppData\Local\Temp\b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe
"C:\Users\Admin\AppData\Local\Temp\b77a49e4a133da84942f4eb94d9ed19dc04051b7dc53928f8ce155cfda7dc135.exe"
1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4328
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.youtube.com/watch?v=tkFQS92d6gw
  2⤵
  - Adds Run key to start application
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5028
- - 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ffb17ad46f8,0x7ffb17ad4708,0x7ffb17ad4718
    3⤵
    PID:4964
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,7113314935850177643,338981667738869459,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2360 /prefetch:2
    3⤵
    PID:320
- - 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=2132,7113314935850177643,338981667738869459,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2428 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:216
- - 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=2132,7113314935850177643,338981667738869459,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2812 /prefetch:8
    3⤵
    PID:1760
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,7113314935850177643,338981667738869459,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3472 /prefetch:1
    3⤵
    PID:4400
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,7113314935850177643,338981667738869459,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3480 /prefetch:1
    3⤵
    PID:2464
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2132,7113314935850177643,338981667738869459,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4976 /prefetch:8
    3⤵
    PID:3384
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2132,7113314935850177643,338981667738869459,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5180 /prefetch:8
    3⤵
    PID:1664
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,7113314935850177643,338981667738869459,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5240 /prefetch:1
    3⤵
    PID:1768
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,7113314935850177643,338981667738869459,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3480 /prefetch:1
    3⤵
    PID:2920
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,7113314935850177643,338981667738869459,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5064 /prefetch:1
    3⤵
    PID:2324
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,7113314935850177643,338981667738869459,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5284 /prefetch:1
    3⤵
    PID:4076
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2132,7113314935850177643,338981667738869459,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5840 /prefetch:8
    3⤵
    PID:3592
- - 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=2132,7113314935850177643,338981667738869459,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6660 /prefetch:8
    3⤵
    PID:1696
- - 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=2132,7113314935850177643,338981667738869459,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6660 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4048
- - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
    3⤵
    - Drops file in Program Files directory
    PID:952
  - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff7c1125460,0x7ff7c1125470,0x7ff7c1125480
      4⤵
      PID:752
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,7113314935850177643,338981667738869459,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --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=6076 /prefetch:2
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1004

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2596

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4468

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x300 0x304
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4328-134-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/4328-136-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download