a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657

Analysis

max time kernel
192s
max time network
205s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 07:42

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General

Target

a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657.exe
Size

137KB
MD5

0b20e0c3e0b1fcdbf35bc033dd925a00
SHA1

2d4ad10bd65c99bbbfc9e7f44c7a4bcf0518f495
SHA256

a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657
SHA512

e238996860308474a8e3de8f27bf76fe77b46348245ab001533ab1686f99a4c31e415a203bc7ebe63a1723b428c15143e4203fcf2f069e49d92d2399534b4b77
SSDEEP

3072:nDYhPk5Hb4QXTiKZ7dYaATMl3FoFBZkIKz0RDx/Eqk1e:ng85HsyTiKPUMtOfmIR5O

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wmplayer = "C:\\MessengerPlus\\mplayer2.exe"	a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1268	4316	WerFault.exe	81

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "00000001"	a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Download	a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657.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 4 IoCs

pid	Process
4768	msedge.exe
4768	msedge.exe
4700	msedge.exe
4700	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4700	msedge.exe
4700	msedge.exe
4700	msedge.exe
4700	msedge.exe
4700	msedge.exe
4700	msedge.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	4948	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4948	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4700	msedge.exe
4700	msedge.exe
4700	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4316	a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4700	4316	a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657.exe	86
PID 4316 wrote to memory of 4700	4316	a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657.exe	86
PID 4700 wrote to memory of 4596	4700	msedge.exe	87
PID 4700 wrote to memory of 4596	4700	msedge.exe	87
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 2152	4700	msedge.exe	90
PID 4700 wrote to memory of 4768	4700	msedge.exe	91
PID 4700 wrote to memory of 4768	4700	msedge.exe	91
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92
PID 4700 wrote to memory of 752	4700	msedge.exe	92

C:\Users\Admin\AppData\Local\Temp\a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657.exe
"C:\Users\Admin\AppData\Local\Temp\a366ae4ff148f1e26fa04b91ac05ee997b74d619c12806e5718c52c70726a657.exe"
1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 388
  2⤵
  - Program crash
  PID:1268
- 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=gOO_UqzEc5Y
  2⤵
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4700
- - 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,0x100,0xd4,0x104,0x7ff8102b46f8,0x7ff8102b4708,0x7ff8102b4718
    3⤵
    PID:4596
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,13225465970660272141,17499908121236777028,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
    3⤵
    PID:2152
- - 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=2140,13225465970660272141,17499908121236777028,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2352 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4768
- - 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=2140,13225465970660272141,17499908121236777028,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2700 /prefetch:8
    3⤵
    PID:752
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13225465970660272141,17499908121236777028,131072 --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=3380 /prefetch:1
    3⤵
    PID:4260
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13225465970660272141,17499908121236777028,131072 --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=3404 /prefetch:1
    3⤵
    PID:1820
- - 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=2140,13225465970660272141,17499908121236777028,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4816 /prefetch:8
    3⤵
    PID:2488
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13225465970660272141,17499908121236777028,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5092 /prefetch:1
    3⤵
    PID:1672
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13225465970660272141,17499908121236777028,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4032 /prefetch:1
    3⤵
    PID:5080
- - 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=2140,13225465970660272141,17499908121236777028,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5308 /prefetch:8
    3⤵
    PID:4300
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13225465970660272141,17499908121236777028,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5424 /prefetch:1
    3⤵
    PID:4344
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13225465970660272141,17499908121236777028,131072 --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=4852 /prefetch:1
    3⤵
    PID:1552
- - 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=2140,13225465970660272141,17499908121236777028,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=6364 /prefetch:8
    3⤵
    PID:4760
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,13225465970660272141,17499908121236777028,131072 --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=5892 /prefetch:2
    3⤵
    PID:2112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 4316 -ip 4316
1⤵
PID:3760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3592

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x500 0x2c8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4948

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/4316-140-0x0000000000720000-0x0000000000766000-memory.dmp

Filesize
280KB

Download
memory/4316-132-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4316-139-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4316-134-0x0000000000720000-0x0000000000766000-memory.dmp

Filesize
280KB

Download
memory/4316-133-0x0000000000720000-0x0000000000766000-memory.dmp

Filesize
280KB

Download