gandcrab | 60c7eaa959a67e276e2b5451efe54b8af62fd891b60718e019536cdf1e3651b2

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-11-2024 02:31

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General

Target

2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
Size

240KB
MD5

e6fba53d56b11ab00c8bcdd86ee2ab69
SHA1

a3d56e59d26bae480aae3464393da8129e844f22
SHA256

60c7eaa959a67e276e2b5451efe54b8af62fd891b60718e019536cdf1e3651b2
SHA512

7b1d6447104a96fa83d21fdb22b398cec06db3798c9baeb8a9f555b2fccdf2df1e68f1237cb6e6e9528524f78547d1e69cbae4db6b9b5f8ef4dd0d2bc5de260a
SSDEEP

3072:+YHVHd2NwMqqDL2/mr3IdE8we0Avu5r++ygLIaa4jRv9OtNZpHk:+ycqqDL6oREzZpE

Score

10^/10

gandcrab backdoor discovery persistence ransomware upx

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral1/memory/3048-0-0x0000000000400000-0x000000000043C000-memory.dmp	family_gandcrab
behavioral1/memory/3048-4-0x0000000000400000-0x000000000043C000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab
Gandcrab family
gandcrab

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\bcoigjqsivr = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe"	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_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)	\??\U:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\Z:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\E:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\H:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\K:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\L:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\S:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\W:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\A:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\J:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\O:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\P:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\B:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\G:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\R:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\Y:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\T:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\V:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\X:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\I:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\M:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\N:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
File opened (read-only)	\??\Q:	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3048-0-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral1/memory/3048-4-0x0000000000400000-0x000000000043C000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 16 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	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.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\Identifier	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2416	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	31
PID 3048 wrote to memory of 2416	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	31
PID 3048 wrote to memory of 2416	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	31
PID 3048 wrote to memory of 2416	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	31
PID 3048 wrote to memory of 2796	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	34
PID 3048 wrote to memory of 2796	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	34
PID 3048 wrote to memory of 2796	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	34
PID 3048 wrote to memory of 2796	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	34
PID 3048 wrote to memory of 2644	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	36
PID 3048 wrote to memory of 2644	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	36
PID 3048 wrote to memory of 2644	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	36
PID 3048 wrote to memory of 2644	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	36
PID 3048 wrote to memory of 2892	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	38
PID 3048 wrote to memory of 2892	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	38
PID 3048 wrote to memory of 2892	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	38
PID 3048 wrote to memory of 2892	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	38
PID 3048 wrote to memory of 2588	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	40
PID 3048 wrote to memory of 2588	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	40
PID 3048 wrote to memory of 2588	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	40
PID 3048 wrote to memory of 2588	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	40
PID 3048 wrote to memory of 3020	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	42
PID 3048 wrote to memory of 3020	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	42
PID 3048 wrote to memory of 3020	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	42
PID 3048 wrote to memory of 3020	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	42
PID 3048 wrote to memory of 1128	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	44
PID 3048 wrote to memory of 1128	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	44
PID 3048 wrote to memory of 1128	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	44
PID 3048 wrote to memory of 1128	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	44
PID 3048 wrote to memory of 1280	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	46
PID 3048 wrote to memory of 1280	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	46
PID 3048 wrote to memory of 1280	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	46
PID 3048 wrote to memory of 1280	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	46
PID 3048 wrote to memory of 324	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	48
PID 3048 wrote to memory of 324	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	48
PID 3048 wrote to memory of 324	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	48
PID 3048 wrote to memory of 324	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	48
PID 3048 wrote to memory of 1732	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	50
PID 3048 wrote to memory of 1732	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	50
PID 3048 wrote to memory of 1732	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	50
PID 3048 wrote to memory of 1732	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	50
PID 3048 wrote to memory of 344	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	52
PID 3048 wrote to memory of 344	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	52
PID 3048 wrote to memory of 344	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	52
PID 3048 wrote to memory of 344	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	52
PID 3048 wrote to memory of 2748	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	54
PID 3048 wrote to memory of 2748	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	54
PID 3048 wrote to memory of 2748	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	54
PID 3048 wrote to memory of 2748	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	54
PID 3048 wrote to memory of 2512	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	56
PID 3048 wrote to memory of 2512	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	56
PID 3048 wrote to memory of 2512	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	56
PID 3048 wrote to memory of 2512	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	56
PID 3048 wrote to memory of 2896	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	58
PID 3048 wrote to memory of 2896	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	58
PID 3048 wrote to memory of 2896	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	58
PID 3048 wrote to memory of 2896	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	58
PID 3048 wrote to memory of 1556	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	60
PID 3048 wrote to memory of 1556	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	60
PID 3048 wrote to memory of 1556	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	60
PID 3048 wrote to memory of 1556	3048	2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-26_e6fba53d56b11ab00c8bcdd86ee2ab69_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
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2416
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2644
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2892
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3020
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1128
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1280
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:324
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1732
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:344
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2512
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3048-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3048-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download