gandcrab | fe983e6d193f83450e31192cee8020ca6b26061ee93bd15a56d4640cc039b995

Analysis

max time kernel
152s
max time network
157s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/04/2024, 02:30

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
Size

326KB
MD5

4377c6b1e7d3ecf142efe296456a99d1
SHA1

eb9ff07a3038cb48f54905d735e1f8e2a3efcc57
SHA256

fe983e6d193f83450e31192cee8020ca6b26061ee93bd15a56d4640cc039b995
SHA512

f2c32c4dd0cde671eab6f3181cbcb3c298d68e32ede0235d3d4e67382f7fb9c0cffe50fe56969285296ced0a8463d899c35cab7e741933e7487885643c6b758f
SSDEEP

3072:V+V2GtObCnDl0TM87yRBNWwxnImfoP/KOBejjY6IaCDtm0zT5363kQ8JuR:VB3USTXkLHgPitjYVmq+9

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1724-4-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/1724-5-0x0000000000260000-0x0000000000277000-memory.dmp	family_gandcrab
behavioral1/memory/1724-12-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/1724-15-0x0000000000260000-0x0000000000277000-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/1724-4-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1724-5-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1724-12-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1724-15-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/1724-5-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1724-15-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1724-4-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/1724-5-0x0000000000260000-0x0000000000277000-memory.dmp	Gandcrab
behavioral1/memory/1724-12-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/1724-15-0x0000000000260000-0x0000000000277000-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\xziyzkhuytv = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\hkmvgk.exe\""	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_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)	\??\R:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_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	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2932	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	28
PID 1724 wrote to memory of 2932	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	28
PID 1724 wrote to memory of 2932	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	28
PID 1724 wrote to memory of 2932	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	28
PID 1724 wrote to memory of 2580	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	30
PID 1724 wrote to memory of 2580	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	30
PID 1724 wrote to memory of 2580	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	30
PID 1724 wrote to memory of 2580	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	30
PID 1724 wrote to memory of 2704	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	32
PID 1724 wrote to memory of 2704	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	32
PID 1724 wrote to memory of 2704	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	32
PID 1724 wrote to memory of 2704	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	32
PID 1724 wrote to memory of 2744	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	34
PID 1724 wrote to memory of 2744	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	34
PID 1724 wrote to memory of 2744	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	34
PID 1724 wrote to memory of 2744	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	34
PID 1724 wrote to memory of 2536	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	36
PID 1724 wrote to memory of 2536	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	36
PID 1724 wrote to memory of 2536	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	36
PID 1724 wrote to memory of 2536	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	36
PID 1724 wrote to memory of 1124	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	40
PID 1724 wrote to memory of 1124	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	40
PID 1724 wrote to memory of 1124	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	40
PID 1724 wrote to memory of 1124	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	40
PID 1724 wrote to memory of 1032	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	42
PID 1724 wrote to memory of 1032	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	42
PID 1724 wrote to memory of 1032	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	42
PID 1724 wrote to memory of 1032	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	42
PID 1724 wrote to memory of 888	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	44
PID 1724 wrote to memory of 888	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	44
PID 1724 wrote to memory of 888	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	44
PID 1724 wrote to memory of 888	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	44
PID 1724 wrote to memory of 1192	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	46
PID 1724 wrote to memory of 1192	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	46
PID 1724 wrote to memory of 1192	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	46
PID 1724 wrote to memory of 1192	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	46
PID 1724 wrote to memory of 672	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	48
PID 1724 wrote to memory of 672	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	48
PID 1724 wrote to memory of 672	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	48
PID 1724 wrote to memory of 672	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	48
PID 1724 wrote to memory of 1992	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	50
PID 1724 wrote to memory of 1992	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	50
PID 1724 wrote to memory of 1992	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	50
PID 1724 wrote to memory of 1992	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	50
PID 1724 wrote to memory of 1264	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	52
PID 1724 wrote to memory of 1264	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	52
PID 1724 wrote to memory of 1264	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	52
PID 1724 wrote to memory of 1264	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	52
PID 1724 wrote to memory of 2748	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	54
PID 1724 wrote to memory of 2748	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	54
PID 1724 wrote to memory of 2748	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	54
PID 1724 wrote to memory of 2748	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	54
PID 1724 wrote to memory of 564	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	56
PID 1724 wrote to memory of 564	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	56
PID 1724 wrote to memory of 564	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	56
PID 1724 wrote to memory of 564	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	56
PID 1724 wrote to memory of 1516	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	58
PID 1724 wrote to memory of 1516	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	58
PID 1724 wrote to memory of 1516	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	58
PID 1724 wrote to memory of 1516	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	58
PID 1724 wrote to memory of 1848	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	60
PID 1724 wrote to memory of 1848	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	60
PID 1724 wrote to memory of 1848	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	60
PID 1724 wrote to memory of 1848	1724	2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-11_4377c6b1e7d3ecf142efe296456a99d1_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:1724
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2932
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2580
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2704
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2744
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2536
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1124
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1032
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1192
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1992
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1264
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2748
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:564
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1516
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1848
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2328
- 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:320
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1360
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2196
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1520

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/1724-1-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1724-2-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/1724-3-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1724-4-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1724-5-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download
memory/1724-12-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1724-14-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/1724-15-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download