gandcrab | 7359aeefa0239e108df07722b8ca8e9fb88bd051c9bd7220e4a88192be825b4e

Resubmissions

11-12-2024 16:02

241211-tg8afazkhs 3

11-12-2024 16:01

241211-tgqematqep 10

18-02-2024 14:56

240218-sa124sbd8t 10

Analysis

max time kernel
147s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18-02-2024 14:56

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General

Target

2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
Size

250KB
MD5

fb4b233a457ae9193d454081a3c1963c
SHA1

6a8b703ee3adf52b6c150e9c6dd82cbf7855a2eb
SHA256

7359aeefa0239e108df07722b8ca8e9fb88bd051c9bd7220e4a88192be825b4e
SHA512

6e397eae43524f9e84b154226eae44b24596c725b487d571c393cba69678f0ca65646fd32e3cd32bdd06d7f8668f722f4d89f5b2dd6167b60032bf1e0342c9be
SSDEEP

6144:h+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:BOCjaklYgVIpxIhDtR

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/108-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/108-4-0x0000000000260000-0x0000000000277000-memory.dmp	family_gandcrab
behavioral1/memory/108-11-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/108-13-0x0000000000260000-0x0000000000277000-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/108-3-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/108-4-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/108-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/108-13-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/108-3-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/108-4-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/108-11-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/108-13-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/108-3-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/108-4-0x0000000000260000-0x0000000000277000-memory.dmp	Gandcrab
behavioral1/memory/108-11-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/108-13-0x0000000000260000-0x0000000000277000-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\cleoburhlza = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\bepxzj.exe\""	2024-02-18_fb4b233a457ae9193d454081a3c1963c_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)	\??\J:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-18_fb4b233a457ae9193d454081a3c1963c_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	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 108 wrote to memory of 2880	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	28
PID 108 wrote to memory of 2880	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	28
PID 108 wrote to memory of 2880	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	28
PID 108 wrote to memory of 2880	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	28
PID 108 wrote to memory of 2948	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	30
PID 108 wrote to memory of 2948	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	30
PID 108 wrote to memory of 2948	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	30
PID 108 wrote to memory of 2948	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	30
PID 108 wrote to memory of 2612	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	32
PID 108 wrote to memory of 2612	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	32
PID 108 wrote to memory of 2612	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	32
PID 108 wrote to memory of 2612	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	32
PID 108 wrote to memory of 2588	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	34
PID 108 wrote to memory of 2588	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	34
PID 108 wrote to memory of 2588	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	34
PID 108 wrote to memory of 2588	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	34
PID 108 wrote to memory of 1076	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	36
PID 108 wrote to memory of 1076	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	36
PID 108 wrote to memory of 1076	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	36
PID 108 wrote to memory of 1076	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	36
PID 108 wrote to memory of 2560	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	38
PID 108 wrote to memory of 2560	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	38
PID 108 wrote to memory of 2560	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	38
PID 108 wrote to memory of 2560	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	38
PID 108 wrote to memory of 2996	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	40
PID 108 wrote to memory of 2996	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	40
PID 108 wrote to memory of 2996	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	40
PID 108 wrote to memory of 2996	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	40
PID 108 wrote to memory of 1096	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	44
PID 108 wrote to memory of 1096	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	44
PID 108 wrote to memory of 1096	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	44
PID 108 wrote to memory of 1096	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	44
PID 108 wrote to memory of 1520	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	46
PID 108 wrote to memory of 1520	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	46
PID 108 wrote to memory of 1520	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	46
PID 108 wrote to memory of 1520	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	46
PID 108 wrote to memory of 2836	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	48
PID 108 wrote to memory of 2836	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	48
PID 108 wrote to memory of 2836	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	48
PID 108 wrote to memory of 2836	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	48
PID 108 wrote to memory of 528	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	50
PID 108 wrote to memory of 528	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	50
PID 108 wrote to memory of 528	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	50
PID 108 wrote to memory of 528	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	50
PID 108 wrote to memory of 1312	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	52
PID 108 wrote to memory of 1312	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	52
PID 108 wrote to memory of 1312	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	52
PID 108 wrote to memory of 1312	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	52
PID 108 wrote to memory of 2480	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	54
PID 108 wrote to memory of 2480	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	54
PID 108 wrote to memory of 2480	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	54
PID 108 wrote to memory of 2480	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	54
PID 108 wrote to memory of 1972	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	56
PID 108 wrote to memory of 1972	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	56
PID 108 wrote to memory of 1972	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	56
PID 108 wrote to memory of 1972	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	56
PID 108 wrote to memory of 2112	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	58
PID 108 wrote to memory of 2112	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	58
PID 108 wrote to memory of 2112	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	58
PID 108 wrote to memory of 2112	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	58
PID 108 wrote to memory of 1680	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	60
PID 108 wrote to memory of 1680	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	60
PID 108 wrote to memory of 1680	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	60
PID 108 wrote to memory of 1680	108	2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-18_fb4b233a457ae9193d454081a3c1963c_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_fb4b233a457ae9193d454081a3c1963c_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:108
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2880
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2948
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1076
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2560
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2996
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1096
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1520
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2836
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:528
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1312
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2480
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1972
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2112
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1680
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2004
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:988
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2544
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1912
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:960
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1168
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:772
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2228

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/108-0-0x0000000000240000-0x000000000025B000-memory.dmp

Filesize
108KB

Download
memory/108-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/108-1-0x0000000000240000-0x000000000025B000-memory.dmp

Filesize
108KB

Download
memory/108-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/108-4-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download
memory/108-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/108-13-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download