d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131

General

Target

d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe
Size

80KB
MD5

9d5bc026c11ab9664e0feb53d3dc77e7
SHA1

34355e5e8a3f775c0e761f1bf6bb542d1077f9ac
SHA256

d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131
SHA512

09211b69adaf649a0cf3957f760ed7b99906f68a7e61e4178fefe3468b7aade32bf6882d13d0edaed9299727394fb31b567db26aef0242bb060bd5f565d8472c
SSDEEP

1536:bDcWLfIbgEp10gyX/dtnTHNWnnn62222292:bDXL0n0gyX/d1re222292

Score

9^/10

evasion

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 4 IoCs

resource	yara_rule
behavioral2/memory/4160-0-0x0000000000400000-0x0000000000410000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/files/0x0008000000023256-3.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/4160-5-0x0000000000400000-0x0000000000410000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral2/memory/3668-6-0x0000000000400000-0x0000000000410000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
3980	attrib.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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe

Executes dropped EXE 1 IoCs

pid	Process
3668	vgkhost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\vgkhost.exe	d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe
File opened for modification	C:\Windows\Debug\vgkhost.exe	d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe
File opened for modification	C:\Windows\Debug\vgkhost.exe	attrib.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vgkhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	vgkhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4160	d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 3980	4160	d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe	90
PID 4160 wrote to memory of 3980	4160	d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe	90
PID 4160 wrote to memory of 3980	4160	d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe	90
PID 4160 wrote to memory of 2680	4160	d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe	93
PID 4160 wrote to memory of 2680	4160	d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe	93
PID 4160 wrote to memory of 2680	4160	d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe	93

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3980	attrib.exe

C:\Users\Admin\AppData\Local\Temp\d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe
"C:\Users\Admin\AppData\Local\Temp\d1cd51ae6f229e7c23020511e2bee93c2a4710051a3e135942322a0a3262f131.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4160
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\vgkhost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - Views/modifies file attributes
  PID:3980
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\D1CD51~1.EXE > nul
  2⤵
  PID:2680

C:\Windows\Debug\vgkhost.exe
C:\Windows\Debug\vgkhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:3668

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4164 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\vgkhost.exe

Filesize
80KB

MD5
a2d1544209b1f425ada5903f7782ced6

SHA1
aaf6f7b42ed40fe7ac1346fbbf29ca3bcfb94a23

SHA256
ae88aa1ebc83e8a98a0250a07cd3e9174c27ab5447bf90927455ed27a81954f2

SHA512
7a579e9d873ca38a5d2efb55dceb9d0b13ddc5689909bdffeebf42a2758eb6139b1a1c32dc0be93491a246d1781c0aac9f23907e407ee644cda8a485b7d9b467

Download Submit
memory/3668-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4160-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4160-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads