gandcrab | 84d09458a11e61c1019ffcca3b46bfb122076da896ba50b9d0f3f137f413a221

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/03/2024, 04:08

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General

Target
2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
Size 250KB
Sample240328-eqacfabg49
SHA256 84d09458a11e61c1019ffcca3b46bfb122076da896ba50b9d0f3f137f413a221
MD5 c62852c58dc20bcf91be77305234b2b0
SHA1 d1ca6f8781f8caa1edf37f6de92b7f4cbcb2cf7b
SHA512 966b7581ec18c1f2e5bc8e258e9eb15b1e8a92d328e591012016ef776af6b0c095052fa9daf62dfb671e7d739711a64534fb1f856b2cb4e3a8e7729353372861
SSDEEP 3072:6/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:6/y20Gj0r+EBFrkvlU3RvIUDOIN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2276-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2276-5-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2276-7-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2276-16-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab

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

Detects Reflective DLL injection artifacts 4 IoCs

resource	yara_rule
behavioral1/memory/2276-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2276-5-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2276-7-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2276-16-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2276-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2276-5-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2276-7-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2276-16-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2276-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2276-5-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/2276-7-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2276-16-0x0000000000220000-0x0000000000237000-memory.dmp	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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\zlqgmtflfbf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\kidtsd.exe\""	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.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)	\??\H:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2616	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	28
PID 2276 wrote to memory of 2616	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	28
PID 2276 wrote to memory of 2616	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	28
PID 2276 wrote to memory of 2616	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	28
PID 2276 wrote to memory of 2384	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	30
PID 2276 wrote to memory of 2384	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	30
PID 2276 wrote to memory of 2384	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	30
PID 2276 wrote to memory of 2384	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	30
PID 2276 wrote to memory of 2624	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	32
PID 2276 wrote to memory of 2624	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	32
PID 2276 wrote to memory of 2624	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	32
PID 2276 wrote to memory of 2624	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	32
PID 2276 wrote to memory of 2440	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	34
PID 2276 wrote to memory of 2440	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	34
PID 2276 wrote to memory of 2440	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	34
PID 2276 wrote to memory of 2440	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	34
PID 2276 wrote to memory of 2876	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	36
PID 2276 wrote to memory of 2876	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	36
PID 2276 wrote to memory of 2876	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	36
PID 2276 wrote to memory of 2876	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	36
PID 2276 wrote to memory of 1912	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	38
PID 2276 wrote to memory of 1912	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	38
PID 2276 wrote to memory of 1912	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	38
PID 2276 wrote to memory of 1912	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	38
PID 2276 wrote to memory of 2708	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	40
PID 2276 wrote to memory of 2708	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	40
PID 2276 wrote to memory of 2708	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	40
PID 2276 wrote to memory of 2708	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	40
PID 2276 wrote to memory of 2764	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	42
PID 2276 wrote to memory of 2764	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	42
PID 2276 wrote to memory of 2764	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	42
PID 2276 wrote to memory of 2764	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	42
PID 2276 wrote to memory of 320	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	46
PID 2276 wrote to memory of 320	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	46
PID 2276 wrote to memory of 320	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	46
PID 2276 wrote to memory of 320	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	46
PID 2276 wrote to memory of 1572	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	48
PID 2276 wrote to memory of 1572	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	48
PID 2276 wrote to memory of 1572	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	48
PID 2276 wrote to memory of 1572	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	48
PID 2276 wrote to memory of 2852	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	50
PID 2276 wrote to memory of 2852	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	50
PID 2276 wrote to memory of 2852	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	50
PID 2276 wrote to memory of 2852	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	50
PID 2276 wrote to memory of 2996	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	52
PID 2276 wrote to memory of 2996	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	52
PID 2276 wrote to memory of 2996	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	52
PID 2276 wrote to memory of 2996	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	52
PID 2276 wrote to memory of 2172	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	54
PID 2276 wrote to memory of 2172	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	54
PID 2276 wrote to memory of 2172	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	54
PID 2276 wrote to memory of 2172	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	54
PID 2276 wrote to memory of 2748	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	56
PID 2276 wrote to memory of 2748	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	56
PID 2276 wrote to memory of 2748	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	56
PID 2276 wrote to memory of 2748	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	56
PID 2276 wrote to memory of 612	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	58
PID 2276 wrote to memory of 612	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	58
PID 2276 wrote to memory of 612	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	58
PID 2276 wrote to memory of 612	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	58
PID 2276 wrote to memory of 924	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	60
PID 2276 wrote to memory of 924	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	60
PID 2276 wrote to memory of 924	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	60
PID 2276 wrote to memory of 924	2276	2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_c62852c58dc20bcf91be77305234b2b0_karagany_mafia.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2616
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2384
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2624
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2440
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2876
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1912
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2708
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2764
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:320
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1572
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2852
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2996
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2172
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2748
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:924
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1248
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1272
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:296
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1496
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:240
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:752
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1608
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2648

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2276-2-0x0000000000540000-0x0000000000640000-memory.dmp

Download

memory/2276-3-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/2276-4-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/2276-5-0x0000000000220000-0x0000000000237000-memory.dmp

Download

memory/2276-7-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/2276-15-0x0000000000540000-0x0000000000640000-memory.dmp

Download

memory/2276-16-0x0000000000220000-0x0000000000237000-memory.dmp

Download