gandcrab | 592e174caca1594162ea56a90c2bb5c1b685bdeccb8ef0c92e83f531030ddd50

Analysis

max time kernel
147s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 11:56

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General

Target

2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
Size

258KB
MD5

c653aefb21e5e1bf51d2db313abbd5cd
SHA1

456d6d51ecb920b9b775c2349a89a6076c836fa7
SHA256

592e174caca1594162ea56a90c2bb5c1b685bdeccb8ef0c92e83f531030ddd50
SHA512

408fd2bce562c00817794b5bee29de9c5cdcdc4cbc2c2767807cab8293a5d2ae65dcb8ada1af88a9d7cdd25aa3da164d709a96ca4eac0f49e66d37e3fd9a02c4
SSDEEP

6144:Rm1G8FVA6aJ/Ruvqdo1NGKXmhYvWVQMBCXaFhWzAJC:GFG6aJ/Qcu8Ykv2aFhUP

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1368-5-0x0000000000400000-0x0000000000446000-memory.dmp	family_gandcrab
behavioral1/memory/1368-7-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/1368-14-0x0000000000400000-0x0000000000446000-memory.dmp	family_gandcrab
behavioral1/memory/1368-17-0x0000000000220000-0x0000000000237000-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/1368-5-0x0000000000400000-0x0000000000446000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1368-7-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1368-14-0x0000000000400000-0x0000000000446000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1368-17-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/1368-5-0x0000000000400000-0x0000000000446000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1368-7-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1368-14-0x0000000000400000-0x0000000000446000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1368-17-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1368-5-0x0000000000400000-0x0000000000446000-memory.dmp	Gandcrab
behavioral1/memory/1368-7-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/1368-14-0x0000000000400000-0x0000000000446000-memory.dmp	Gandcrab
behavioral1/memory/1368-17-0x0000000000220000-0x0000000000237000-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\qdppiuhsslj = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\dzaaix.exe\""	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_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)	\??\A:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_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	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 2624	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	28
PID 1368 wrote to memory of 2624	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	28
PID 1368 wrote to memory of 2624	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	28
PID 1368 wrote to memory of 2624	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	28
PID 1368 wrote to memory of 2596	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	30
PID 1368 wrote to memory of 2596	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	30
PID 1368 wrote to memory of 2596	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	30
PID 1368 wrote to memory of 2596	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	30
PID 1368 wrote to memory of 2556	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	32
PID 1368 wrote to memory of 2556	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	32
PID 1368 wrote to memory of 2556	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	32
PID 1368 wrote to memory of 2556	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	32
PID 1368 wrote to memory of 2876	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	36
PID 1368 wrote to memory of 2876	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	36
PID 1368 wrote to memory of 2876	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	36
PID 1368 wrote to memory of 2876	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	36
PID 1368 wrote to memory of 1480	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	38
PID 1368 wrote to memory of 1480	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	38
PID 1368 wrote to memory of 1480	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	38
PID 1368 wrote to memory of 1480	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	38
PID 1368 wrote to memory of 2224	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	40
PID 1368 wrote to memory of 2224	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	40
PID 1368 wrote to memory of 2224	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	40
PID 1368 wrote to memory of 2224	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	40
PID 1368 wrote to memory of 1692	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	42
PID 1368 wrote to memory of 1692	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	42
PID 1368 wrote to memory of 1692	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	42
PID 1368 wrote to memory of 1692	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	42
PID 1368 wrote to memory of 2008	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	44
PID 1368 wrote to memory of 2008	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	44
PID 1368 wrote to memory of 2008	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	44
PID 1368 wrote to memory of 2008	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	44
PID 1368 wrote to memory of 1884	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	46
PID 1368 wrote to memory of 1884	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	46
PID 1368 wrote to memory of 1884	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	46
PID 1368 wrote to memory of 1884	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	46
PID 1368 wrote to memory of 2236	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	48
PID 1368 wrote to memory of 2236	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	48
PID 1368 wrote to memory of 2236	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	48
PID 1368 wrote to memory of 2236	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	48
PID 1368 wrote to memory of 1180	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	50
PID 1368 wrote to memory of 1180	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	50
PID 1368 wrote to memory of 1180	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	50
PID 1368 wrote to memory of 1180	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	50
PID 1368 wrote to memory of 1604	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	52
PID 1368 wrote to memory of 1604	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	52
PID 1368 wrote to memory of 1604	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	52
PID 1368 wrote to memory of 1604	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	52
PID 1368 wrote to memory of 2240	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	54
PID 1368 wrote to memory of 2240	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	54
PID 1368 wrote to memory of 2240	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	54
PID 1368 wrote to memory of 2240	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	54
PID 1368 wrote to memory of 324	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	56
PID 1368 wrote to memory of 324	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	56
PID 1368 wrote to memory of 324	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	56
PID 1368 wrote to memory of 324	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	56
PID 1368 wrote to memory of 548	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	58
PID 1368 wrote to memory of 548	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	58
PID 1368 wrote to memory of 548	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	58
PID 1368 wrote to memory of 548	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	58
PID 1368 wrote to memory of 2988	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	60
PID 1368 wrote to memory of 2988	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	60
PID 1368 wrote to memory of 2988	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	60
PID 1368 wrote to memory of 2988	1368	2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_c653aefb21e5e1bf51d2db313abbd5cd_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:1368
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2624
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2596
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2556
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2876
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1480
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2224
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1692
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1884
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2236
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1180
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1604
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2240
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:324
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:548
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2988
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1784
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:976
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1648

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/1368-0-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1368-3-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/1368-4-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1368-5-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1368-7-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/1368-14-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1368-16-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download
memory/1368-17-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download