gandcrab | 7f53a180617ed9d204680ceacaf865a44db4c1a8f8c7c87f30f095ff473aa0cc

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 05:44

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General

Target

2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
Size

250KB
MD5

a4946f786f0129af1a6858b0f1d78426
SHA1

ae95832f0720f39c19f705fab5be095306dcc1c2
SHA256

7f53a180617ed9d204680ceacaf865a44db4c1a8f8c7c87f30f095ff473aa0cc
SHA512

7e1540e0a86204ad66de92be395c2ef3d2688d4f5bc6a2b5abc24ed20780095b20ceb94aa9432f7c4239c3af4415bd8fb4dc7ec460edf48b024d5f53527c4cb2
SSDEEP

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

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2228-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2228-5-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2228-7-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2228-16-0x0000000000220000-0x0000000000237000-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/2228-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2228-5-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2228-7-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2228-16-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2228-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2228-5-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2228-7-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2228-16-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2228-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2228-5-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/2228-7-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2228-16-0x0000000000220000-0x0000000000237000-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\iextonuogzm = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\xdamzh.exe\""	2024-03-26_a4946f786f0129af1a6858b0f1d78426_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)	\??\H:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-26_a4946f786f0129af1a6858b0f1d78426_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_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2740	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	28
PID 2228 wrote to memory of 2740	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	28
PID 2228 wrote to memory of 2740	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	28
PID 2228 wrote to memory of 2740	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	28
PID 2228 wrote to memory of 2088	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	30
PID 2228 wrote to memory of 2088	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	30
PID 2228 wrote to memory of 2088	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	30
PID 2228 wrote to memory of 2088	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	30
PID 2228 wrote to memory of 2516	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	32
PID 2228 wrote to memory of 2516	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	32
PID 2228 wrote to memory of 2516	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	32
PID 2228 wrote to memory of 2516	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	32
PID 2228 wrote to memory of 2380	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	34
PID 2228 wrote to memory of 2380	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	34
PID 2228 wrote to memory of 2380	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	34
PID 2228 wrote to memory of 2380	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	34
PID 2228 wrote to memory of 2428	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	36
PID 2228 wrote to memory of 2428	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	36
PID 2228 wrote to memory of 2428	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	36
PID 2228 wrote to memory of 2428	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	36
PID 2228 wrote to memory of 1428	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	38
PID 2228 wrote to memory of 1428	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	38
PID 2228 wrote to memory of 1428	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	38
PID 2228 wrote to memory of 1428	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	38
PID 2228 wrote to memory of 1360	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	40
PID 2228 wrote to memory of 1360	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	40
PID 2228 wrote to memory of 1360	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	40
PID 2228 wrote to memory of 1360	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	40
PID 2228 wrote to memory of 2272	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	42
PID 2228 wrote to memory of 2272	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	42
PID 2228 wrote to memory of 2272	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	42
PID 2228 wrote to memory of 2272	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	42
PID 2228 wrote to memory of 2288	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	46
PID 2228 wrote to memory of 2288	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	46
PID 2228 wrote to memory of 2288	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	46
PID 2228 wrote to memory of 2288	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	46
PID 2228 wrote to memory of 2716	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	48
PID 2228 wrote to memory of 2716	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	48
PID 2228 wrote to memory of 2716	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	48
PID 2228 wrote to memory of 2716	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	48
PID 2228 wrote to memory of 2316	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	50
PID 2228 wrote to memory of 2316	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	50
PID 2228 wrote to memory of 2316	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	50
PID 2228 wrote to memory of 2316	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	50
PID 2228 wrote to memory of 1688	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	52
PID 2228 wrote to memory of 1688	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	52
PID 2228 wrote to memory of 1688	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	52
PID 2228 wrote to memory of 1688	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	52
PID 2228 wrote to memory of 2696	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	54
PID 2228 wrote to memory of 2696	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	54
PID 2228 wrote to memory of 2696	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	54
PID 2228 wrote to memory of 2696	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	54
PID 2228 wrote to memory of 2360	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	56
PID 2228 wrote to memory of 2360	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	56
PID 2228 wrote to memory of 2360	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	56
PID 2228 wrote to memory of 2360	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	56
PID 2228 wrote to memory of 2748	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	58
PID 2228 wrote to memory of 2748	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	58
PID 2228 wrote to memory of 2748	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	58
PID 2228 wrote to memory of 2748	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	58
PID 2228 wrote to memory of 592	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	60
PID 2228 wrote to memory of 592	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	60
PID 2228 wrote to memory of 592	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	60
PID 2228 wrote to memory of 592	2228	2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-26_a4946f786f0129af1a6858b0f1d78426_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_a4946f786f0129af1a6858b0f1d78426_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:2228
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2740
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2088
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2516
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2380
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2428
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1428
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1360
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2272
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2288
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2716
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2316
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1688
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2696
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2360
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2748
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:592
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1260
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2912
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2264
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2160
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:832
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2864
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:572

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

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Downloads

memory/2228-2-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2228-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2228-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2228-5-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/2228-7-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2228-15-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2228-16-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download