gandcrab | 72c88393b365d1428a1892a96474e23778d1acb32675a00c21adabd6f4b09dba

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/04/2024, 23:29

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General

Target

2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
Size

308KB
MD5

79b618bdb781ac355bc14bd6d4762482
SHA1

b0be52fb103050cadc9577de58723769c98d1621
SHA256

72c88393b365d1428a1892a96474e23778d1acb32675a00c21adabd6f4b09dba
SHA512

c64e7fdce84fa7fb55cd10304011f10a431320b173959d898cf94c3b0c1bdcf356e2398b1129fe966030acb25520296c03407ccf412ab1c7892ec441afbffa87
SSDEEP

6144:JzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:XDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2292-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2292-3-0x00000000002A0000-0x00000000002B7000-memory.dmp	family_gandcrab
behavioral1/memory/2292-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2292-13-0x00000000002A0000-0x00000000002B7000-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/2292-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2292-3-0x00000000002A0000-0x00000000002B7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2292-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2292-13-0x00000000002A0000-0x00000000002B7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2292-3-0x00000000002A0000-0x00000000002B7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2292-13-0x00000000002A0000-0x00000000002B7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2292-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2292-3-0x00000000002A0000-0x00000000002B7000-memory.dmp	Gandcrab
behavioral1/memory/2292-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2292-13-0x00000000002A0000-0x00000000002B7000-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\pnrgghmsobq = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\wjymkw.exe\""	2024-04-08_79b618bdb781ac355bc14bd6d4762482_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)	\??\I:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-08_79b618bdb781ac355bc14bd6d4762482_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	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2672	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	28
PID 2292 wrote to memory of 2672	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	28
PID 2292 wrote to memory of 2672	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	28
PID 2292 wrote to memory of 2672	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	28
PID 2292 wrote to memory of 2696	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	30
PID 2292 wrote to memory of 2696	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	30
PID 2292 wrote to memory of 2696	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	30
PID 2292 wrote to memory of 2696	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	30
PID 2292 wrote to memory of 2608	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	32
PID 2292 wrote to memory of 2608	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	32
PID 2292 wrote to memory of 2608	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	32
PID 2292 wrote to memory of 2608	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	32
PID 2292 wrote to memory of 2436	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	34
PID 2292 wrote to memory of 2436	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	34
PID 2292 wrote to memory of 2436	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	34
PID 2292 wrote to memory of 2436	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	34
PID 2292 wrote to memory of 2168	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	36
PID 2292 wrote to memory of 2168	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	36
PID 2292 wrote to memory of 2168	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	36
PID 2292 wrote to memory of 2168	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	36
PID 2292 wrote to memory of 1372	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	38
PID 2292 wrote to memory of 1372	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	38
PID 2292 wrote to memory of 1372	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	38
PID 2292 wrote to memory of 1372	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	38
PID 2292 wrote to memory of 2652	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	40
PID 2292 wrote to memory of 2652	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	40
PID 2292 wrote to memory of 2652	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	40
PID 2292 wrote to memory of 2652	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	40
PID 2292 wrote to memory of 1520	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	44
PID 2292 wrote to memory of 1520	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	44
PID 2292 wrote to memory of 1520	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	44
PID 2292 wrote to memory of 1520	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	44
PID 2292 wrote to memory of 1628	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	46
PID 2292 wrote to memory of 1628	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	46
PID 2292 wrote to memory of 1628	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	46
PID 2292 wrote to memory of 1628	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	46
PID 2292 wrote to memory of 1516	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	48
PID 2292 wrote to memory of 1516	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	48
PID 2292 wrote to memory of 1516	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	48
PID 2292 wrote to memory of 1516	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	48
PID 2292 wrote to memory of 2656	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	50
PID 2292 wrote to memory of 2656	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	50
PID 2292 wrote to memory of 2656	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	50
PID 2292 wrote to memory of 2656	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	50
PID 2292 wrote to memory of 1608	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	52
PID 2292 wrote to memory of 1608	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	52
PID 2292 wrote to memory of 1608	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	52
PID 2292 wrote to memory of 1608	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	52
PID 2292 wrote to memory of 2240	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	54
PID 2292 wrote to memory of 2240	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	54
PID 2292 wrote to memory of 2240	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	54
PID 2292 wrote to memory of 2240	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	54
PID 2292 wrote to memory of 2004	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	56
PID 2292 wrote to memory of 2004	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	56
PID 2292 wrote to memory of 2004	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	56
PID 2292 wrote to memory of 2004	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	56
PID 2292 wrote to memory of 2072	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	58
PID 2292 wrote to memory of 2072	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	58
PID 2292 wrote to memory of 2072	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	58
PID 2292 wrote to memory of 2072	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	58
PID 2292 wrote to memory of 344	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	60
PID 2292 wrote to memory of 344	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	60
PID 2292 wrote to memory of 344	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	60
PID 2292 wrote to memory of 344	2292	2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-04-08_79b618bdb781ac355bc14bd6d4762482_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-08_79b618bdb781ac355bc14bd6d4762482_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:2292
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2696
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2608
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2436
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2168
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1372
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2652
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1520
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1516
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2656
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1608
- 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:2004
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2072
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:344
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1836
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1496
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2352
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1004
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1300
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1692
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:308
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2308

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/2292-1-0x000000000AB20000-0x000000000AC20000-memory.dmp

Filesize
1024KB

Download
memory/2292-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2292-3-0x00000000002A0000-0x00000000002B7000-memory.dmp

Filesize
92KB

Download
memory/2292-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2292-12-0x000000000AB20000-0x000000000AC20000-memory.dmp

Filesize
1024KB

Download
memory/2292-13-0x00000000002A0000-0x00000000002B7000-memory.dmp

Filesize
92KB

Download