gandcrab | b18e1fbb82c9f177cac81000fe100c2c8bc0ddb06e573dce4831d973f1555cb7

Analysis

max time kernel
145s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 18:31

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General

Target

2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
Size

308KB
MD5

9f8df6241d332621b55e69b35a0cb94f
SHA1

ba576b262da7ef0c54bc5f0909c2bcf097028189
SHA256

b18e1fbb82c9f177cac81000fe100c2c8bc0ddb06e573dce4831d973f1555cb7
SHA512

ac63a1f130f62519d8466fa90b41b34bfab5239b4accbc63fa22bf40b7d64cbde54ade6c4874355578579e0263c42b01bbf3bba15c3e833ca2b993eae959587b
SSDEEP

6144:5zL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:HDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2924-3-0x000000000AB50000-0x000000000AB67000-memory.dmp	family_gandcrab
behavioral1/memory/2924-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2924-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2924-13-0x000000000AB50000-0x000000000AB67000-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/2924-3-0x000000000AB50000-0x000000000AB67000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2924-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2924-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2924-13-0x000000000AB50000-0x000000000AB67000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2924-3-0x000000000AB50000-0x000000000AB67000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2924-13-0x000000000AB50000-0x000000000AB67000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2924-3-0x000000000AB50000-0x000000000AB67000-memory.dmp	Gandcrab
behavioral1/memory/2924-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2924-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2924-13-0x000000000AB50000-0x000000000AB67000-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\czmygecjcxy = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\nbklpv.exe\""	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_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)	\??\G:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_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	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 3016	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	29
PID 2924 wrote to memory of 3016	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	29
PID 2924 wrote to memory of 3016	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	29
PID 2924 wrote to memory of 3016	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	29
PID 2924 wrote to memory of 2632	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	31
PID 2924 wrote to memory of 2632	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	31
PID 2924 wrote to memory of 2632	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	31
PID 2924 wrote to memory of 2632	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	31
PID 2924 wrote to memory of 1688	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	32
PID 2924 wrote to memory of 1688	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	32
PID 2924 wrote to memory of 1688	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	32
PID 2924 wrote to memory of 1688	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	32
PID 2924 wrote to memory of 2520	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	35
PID 2924 wrote to memory of 2520	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	35
PID 2924 wrote to memory of 2520	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	35
PID 2924 wrote to memory of 2520	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	35
PID 2924 wrote to memory of 2532	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	37
PID 2924 wrote to memory of 2532	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	37
PID 2924 wrote to memory of 2532	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	37
PID 2924 wrote to memory of 2532	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	37
PID 2924 wrote to memory of 2964	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	39
PID 2924 wrote to memory of 2964	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	39
PID 2924 wrote to memory of 2964	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	39
PID 2924 wrote to memory of 2964	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	39
PID 2924 wrote to memory of 2024	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	41
PID 2924 wrote to memory of 2024	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	41
PID 2924 wrote to memory of 2024	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	41
PID 2924 wrote to memory of 2024	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	41
PID 2924 wrote to memory of 1620	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	45
PID 2924 wrote to memory of 1620	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	45
PID 2924 wrote to memory of 1620	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	45
PID 2924 wrote to memory of 1620	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	45
PID 2924 wrote to memory of 2740	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	47
PID 2924 wrote to memory of 2740	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	47
PID 2924 wrote to memory of 2740	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	47
PID 2924 wrote to memory of 2740	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	47
PID 2924 wrote to memory of 2704	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	49
PID 2924 wrote to memory of 2704	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	49
PID 2924 wrote to memory of 2704	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	49
PID 2924 wrote to memory of 2704	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	49
PID 2924 wrote to memory of 1532	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	51
PID 2924 wrote to memory of 1532	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	51
PID 2924 wrote to memory of 1532	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	51
PID 2924 wrote to memory of 1532	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	51
PID 2924 wrote to memory of 1148	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	53
PID 2924 wrote to memory of 1148	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	53
PID 2924 wrote to memory of 1148	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	53
PID 2924 wrote to memory of 1148	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	53
PID 2924 wrote to memory of 948	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	54
PID 2924 wrote to memory of 948	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	54
PID 2924 wrote to memory of 948	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	54
PID 2924 wrote to memory of 948	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	54
PID 2924 wrote to memory of 2032	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	56
PID 2924 wrote to memory of 2032	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	56
PID 2924 wrote to memory of 2032	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	56
PID 2924 wrote to memory of 2032	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	56
PID 2924 wrote to memory of 564	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	58
PID 2924 wrote to memory of 564	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	58
PID 2924 wrote to memory of 564	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	58
PID 2924 wrote to memory of 564	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	58
PID 2924 wrote to memory of 1500	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	60
PID 2924 wrote to memory of 1500	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	60
PID 2924 wrote to memory of 1500	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	60
PID 2924 wrote to memory of 1500	2924	2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-19_9f8df6241d332621b55e69b35a0cb94f_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_9f8df6241d332621b55e69b35a0cb94f_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:2924
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:3016
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2632
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1688
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2520
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2532
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2964
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2024
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1620
- 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:2704
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1532
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1148
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:948
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2032
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:564
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1500
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1308
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2448
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1772
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1356
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1536
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1036
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1756

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/2924-1-0x000000000AB90000-0x000000000AC90000-memory.dmp

Filesize
1024KB

Download
memory/2924-3-0x000000000AB50000-0x000000000AB67000-memory.dmp

Filesize
92KB

Download
memory/2924-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2924-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2924-12-0x000000000AB90000-0x000000000AC90000-memory.dmp

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1024KB

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memory/2924-13-0x000000000AB50000-0x000000000AB67000-memory.dmp

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92KB

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