gandcrab | 0bf3faee616e25bdbba5ba217e3021569b6092170309c06e7ad29ef570b22ce3

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 10:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
Size

250KB
MD5

dff6d412f859a59b09840cbd135c9f3a
SHA1

7150e32dda2ba4e3df80d93ca656c283de701589
SHA256

0bf3faee616e25bdbba5ba217e3021569b6092170309c06e7ad29ef570b22ce3
SHA512

f196e681cf35e67b86ffd1a5a95615c1ab1641d5eaaf88aa3d571bb858da1a96f4d128b0e6830e68dc92df7dea2c770656bb4a2e058e4fa267a521b8cff29a27
SSDEEP

3072:i/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:i/y20Gj0r+EBFrkvlU3RvIUDOIN

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2156-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2156-5-0x0000000000260000-0x0000000000277000-memory.dmp	family_gandcrab
behavioral1/memory/2156-12-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2156-15-0x0000000000260000-0x0000000000277000-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/2156-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2156-5-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2156-12-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2156-15-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2156-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2156-5-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2156-12-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2156-15-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2156-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2156-5-0x0000000000260000-0x0000000000277000-memory.dmp	Gandcrab
behavioral1/memory/2156-12-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2156-15-0x0000000000260000-0x0000000000277000-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\omwlyzzbayl = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\uexdeo.exe\""	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_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)	\??\X:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_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	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2588	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	28
PID 2156 wrote to memory of 2588	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	28
PID 2156 wrote to memory of 2588	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	28
PID 2156 wrote to memory of 2588	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	28
PID 2156 wrote to memory of 2764	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	30
PID 2156 wrote to memory of 2764	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	30
PID 2156 wrote to memory of 2764	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	30
PID 2156 wrote to memory of 2764	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	30
PID 2156 wrote to memory of 2560	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	32
PID 2156 wrote to memory of 2560	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	32
PID 2156 wrote to memory of 2560	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	32
PID 2156 wrote to memory of 2560	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	32
PID 2156 wrote to memory of 484	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	36
PID 2156 wrote to memory of 484	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	36
PID 2156 wrote to memory of 484	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	36
PID 2156 wrote to memory of 484	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	36
PID 2156 wrote to memory of 1572	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	38
PID 2156 wrote to memory of 1572	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	38
PID 2156 wrote to memory of 1572	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	38
PID 2156 wrote to memory of 1572	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	38
PID 2156 wrote to memory of 2704	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	40
PID 2156 wrote to memory of 2704	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	40
PID 2156 wrote to memory of 2704	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	40
PID 2156 wrote to memory of 2704	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	40
PID 2156 wrote to memory of 1840	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	42
PID 2156 wrote to memory of 1840	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	42
PID 2156 wrote to memory of 1840	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	42
PID 2156 wrote to memory of 1840	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	42
PID 2156 wrote to memory of 2008	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	44
PID 2156 wrote to memory of 2008	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	44
PID 2156 wrote to memory of 2008	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	44
PID 2156 wrote to memory of 2008	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	44
PID 2156 wrote to memory of 2188	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	46
PID 2156 wrote to memory of 2188	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	46
PID 2156 wrote to memory of 2188	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	46
PID 2156 wrote to memory of 2188	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	46
PID 2156 wrote to memory of 980	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	48
PID 2156 wrote to memory of 980	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	48
PID 2156 wrote to memory of 980	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	48
PID 2156 wrote to memory of 980	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	48
PID 2156 wrote to memory of 1628	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	50
PID 2156 wrote to memory of 1628	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	50
PID 2156 wrote to memory of 1628	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	50
PID 2156 wrote to memory of 1628	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	50
PID 2156 wrote to memory of 1152	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	52
PID 2156 wrote to memory of 1152	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	52
PID 2156 wrote to memory of 1152	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	52
PID 2156 wrote to memory of 1152	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	52
PID 2156 wrote to memory of 1940	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	54
PID 2156 wrote to memory of 1940	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	54
PID 2156 wrote to memory of 1940	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	54
PID 2156 wrote to memory of 1940	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	54
PID 2156 wrote to memory of 3048	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	56
PID 2156 wrote to memory of 3048	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	56
PID 2156 wrote to memory of 3048	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	56
PID 2156 wrote to memory of 3048	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	56
PID 2156 wrote to memory of 2116	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	58
PID 2156 wrote to memory of 2116	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	58
PID 2156 wrote to memory of 2116	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	58
PID 2156 wrote to memory of 2116	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	58
PID 2156 wrote to memory of 1320	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	60
PID 2156 wrote to memory of 1320	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	60
PID 2156 wrote to memory of 1320	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	60
PID 2156 wrote to memory of 1320	2156	2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-25_dff6d412f859a59b09840cbd135c9f3a_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-25_dff6d412f859a59b09840cbd135c9f3a_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:2156
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2764
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2560
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:484
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1572
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2704
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1840
- 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:2188
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:980
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1152
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1940
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:3048
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2116
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1320
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:820

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/2156-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2156-2-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2156-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2156-5-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download
memory/2156-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2156-13-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2156-15-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download