e1453edb74729a33c8219bcf018f1718d5461294c989b60bc090d6bc00451451

Reason

Machine shutdown

General

Target

2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
Size

70KB
MD5

30d22f047fc4f1f9f287f7cfb34a5a74
SHA1

611a127953b7898cb24d6e4b981fefd48a03e905
SHA256

e1453edb74729a33c8219bcf018f1718d5461294c989b60bc090d6bc00451451
SHA512

d91243d664f88dc22dd00e6383112aacf662b24230117e68dc166f43d0409cc4e118681b1e35ff5931d4ab384a738722df0933409a5087a5b367d1d92d1b8864
SSDEEP

1536:XZZZZZZZZZZZZpXzzzzzzzzzzzzADypczUk+lkZJngWMqqU+2bbbAV2/S2OvvdZl:+d5BJHMqqDL2/Ovvdr

Score

7^/10

discovery persistence spyware stealer

Malware Config

Signatures

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\dopoeysikft = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe"	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\L:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\N:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\R:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\S:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\T:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\U:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\E:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\K:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\X:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\Z:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\O:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\V:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\Y:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\G:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\I:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\A:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\B:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\M:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\P:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\Q:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\W:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\H:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
File opened (read-only)	\??\J:	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "183"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4436	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
4436	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
4436	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
4436	2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4136	shutdown.exe
Token: SeRemoteShutdownPrivilege	4136	shutdown.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1352	PickerHost.exe
944	LogonUI.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 3176	3680	cmd.exe	79
PID 3680 wrote to memory of 3176	3680	cmd.exe	79
PID 3680 wrote to memory of 4136	3680	cmd.exe	80
PID 3680 wrote to memory of 4136	3680	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_30d22f047fc4f1f9f287f7cfb34a5a74_gandcrab.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4436

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\system32\tree.com
  tree
  2⤵
  PID:3176
- C:\Windows\system32\shutdown.exe
  shutdown /s /t 1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4136

C:\Windows\System32\PickerHost.exe
C:\Windows\System32\PickerHost.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:1352

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a09055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:944