a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 01:10

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General

Target

a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98.exe
Size

1.1MB
MD5

753beed5c8ef36a4f9974bb5ed154c2e
SHA1

b88685813f147997e9a39f7771bf4efb8bbbf257
SHA256

a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98
SHA512

081a5dab5f68aa18d56451d2e3e3011dc89087dd450e4b6617443577658a0985e3e21fd597e015c5c5c6aeebf7a8e38c2a04d3dbf292f4b46ddc49ab42bedcca
SSDEEP

24576:JkjHSN59ngsR+PEIzzamL1472ex/Fbl2DPpoUX:JuinF+sIHlDI5YDqu

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
364	svchost.exe
3524	svchost.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98.exe

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 364 set thread context of 3524	364	svchost.exe	93

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

System Information Discovery
T1082

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4528	reg.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3840 wrote to memory of 4528	3840	a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98.exe	82
PID 3840 wrote to memory of 4528	3840	a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98.exe	82
PID 3840 wrote to memory of 4528	3840	a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98.exe	82
PID 3840 wrote to memory of 364	3840	a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98.exe	84
PID 3840 wrote to memory of 364	3840	a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98.exe	84
PID 3840 wrote to memory of 364	3840	a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98.exe	84
PID 364 wrote to memory of 3524	364	svchost.exe	93
PID 364 wrote to memory of 3524	364	svchost.exe	93
PID 364 wrote to memory of 3524	364	svchost.exe	93
PID 364 wrote to memory of 3524	364	svchost.exe	93
PID 364 wrote to memory of 3524	364	svchost.exe	93

C:\Users\Admin\AppData\Local\Temp\a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98.exe
"C:\Users\Admin\AppData\Local\Temp\a9c96b1703cb39684207a675bf3af295faed1f8d27eb51b312c9cb19b57cbc98.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3840
- C:\Windows\SysWOW64\reg.exe
  "C:\Windows\System32\reg.exe" ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Windows Update" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe" /f
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:4528
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:364
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Executes dropped EXE
    PID:3524

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

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Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
1.1MB

MD5
0387c13510de79729829f7c764875778

SHA1
40164ca13337e3ed4f37762cb2bb3fc1474eab7b

SHA256
e3befe607de38a10fc5f331acbb384e3c512b6c1c90c6ddafd006e8e6dff80b4

SHA512
31614b30e2024309dc2ee3278c44dcf84e62ed9d4f7d5d7781d819e01f6a125413047b1c93eb4730070d7c1328108b786cd3fde63ad8bb4b14c56fba430b327c

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
1.1MB

MD5
0387c13510de79729829f7c764875778

SHA1
40164ca13337e3ed4f37762cb2bb3fc1474eab7b

SHA256
e3befe607de38a10fc5f331acbb384e3c512b6c1c90c6ddafd006e8e6dff80b4

SHA512
31614b30e2024309dc2ee3278c44dcf84e62ed9d4f7d5d7781d819e01f6a125413047b1c93eb4730070d7c1328108b786cd3fde63ad8bb4b14c56fba430b327c

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
1.1MB

MD5
0387c13510de79729829f7c764875778

SHA1
40164ca13337e3ed4f37762cb2bb3fc1474eab7b

SHA256
e3befe607de38a10fc5f331acbb384e3c512b6c1c90c6ddafd006e8e6dff80b4

SHA512
31614b30e2024309dc2ee3278c44dcf84e62ed9d4f7d5d7781d819e01f6a125413047b1c93eb4730070d7c1328108b786cd3fde63ad8bb4b14c56fba430b327c

Download Submit
memory/3524-137-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/3524-139-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/3524-140-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download
memory/3524-141-0x0000000000400000-0x00000000004A6000-memory.dmp

Filesize
664KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads