gandcrab | 381370dca5cae4bb4d21facd21c4a58960af470d8c2d72dfcce6cd4097256581

Analysis

max time kernel
145s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-04-2024 20:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
Size

326KB
MD5

200adbf607f2c0f1566f4255181e284c
SHA1

f99da7d53d5c0df590c0416a0485c3beca0fca32
SHA256

381370dca5cae4bb4d21facd21c4a58960af470d8c2d72dfcce6cd4097256581
SHA512

bdd3181d4e89b0d9486d894bd5635d38355fadcee4636c11b81a8b2993f6e678cd2101ac08f50dc49a748518398ac46e27c7950fea0b7a49c5c28b15d3074ec5
SSDEEP

3072:WJV2GtCbCnDl0TM87yRBNWwxnImfoP/KOBejjY6IaCDtm0zT5363kQ8JuA:Wq/USTXkLHgPitjYVmq+s

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1736-5-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/1736-4-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/1736-12-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/1736-15-0x0000000000220000-0x0000000000237000-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/1736-5-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1736-4-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1736-12-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1736-15-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/1736-5-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1736-15-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1736-5-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/1736-4-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/1736-12-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/1736-15-0x0000000000220000-0x0000000000237000-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\oyqpvqucfar = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\tlzmwa.exe\""	2024-04-09_200adbf607f2c0f1566f4255181e284c_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)	\??\Y:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-09_200adbf607f2c0f1566f4255181e284c_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	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2676	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	28
PID 1736 wrote to memory of 2676	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	28
PID 1736 wrote to memory of 2676	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	28
PID 1736 wrote to memory of 2676	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	28
PID 1736 wrote to memory of 2688	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	30
PID 1736 wrote to memory of 2688	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	30
PID 1736 wrote to memory of 2688	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	30
PID 1736 wrote to memory of 2688	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	30
PID 1736 wrote to memory of 2556	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	32
PID 1736 wrote to memory of 2556	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	32
PID 1736 wrote to memory of 2556	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	32
PID 1736 wrote to memory of 2556	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	32
PID 1736 wrote to memory of 2436	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	34
PID 1736 wrote to memory of 2436	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	34
PID 1736 wrote to memory of 2436	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	34
PID 1736 wrote to memory of 2436	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	34
PID 1736 wrote to memory of 2468	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	36
PID 1736 wrote to memory of 2468	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	36
PID 1736 wrote to memory of 2468	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	36
PID 1736 wrote to memory of 2468	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	36
PID 1736 wrote to memory of 1872	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	38
PID 1736 wrote to memory of 1872	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	38
PID 1736 wrote to memory of 1872	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	38
PID 1736 wrote to memory of 1872	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	38
PID 1736 wrote to memory of 2308	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	40
PID 1736 wrote to memory of 2308	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	40
PID 1736 wrote to memory of 2308	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	40
PID 1736 wrote to memory of 2308	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	40
PID 1736 wrote to memory of 1884	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	44
PID 1736 wrote to memory of 1884	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	44
PID 1736 wrote to memory of 1884	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	44
PID 1736 wrote to memory of 1884	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	44
PID 1736 wrote to memory of 2180	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	46
PID 1736 wrote to memory of 2180	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	46
PID 1736 wrote to memory of 2180	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	46
PID 1736 wrote to memory of 2180	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	46
PID 1736 wrote to memory of 1808	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	48
PID 1736 wrote to memory of 1808	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	48
PID 1736 wrote to memory of 1808	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	48
PID 1736 wrote to memory of 1808	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	48
PID 1736 wrote to memory of 2476	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	50
PID 1736 wrote to memory of 2476	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	50
PID 1736 wrote to memory of 2476	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	50
PID 1736 wrote to memory of 2476	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	50
PID 1736 wrote to memory of 2516	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	52
PID 1736 wrote to memory of 2516	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	52
PID 1736 wrote to memory of 2516	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	52
PID 1736 wrote to memory of 2516	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	52
PID 1736 wrote to memory of 2268	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	54
PID 1736 wrote to memory of 2268	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	54
PID 1736 wrote to memory of 2268	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	54
PID 1736 wrote to memory of 2268	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	54
PID 1736 wrote to memory of 1640	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	56
PID 1736 wrote to memory of 1640	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	56
PID 1736 wrote to memory of 1640	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	56
PID 1736 wrote to memory of 1640	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	56
PID 1736 wrote to memory of 796	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	58
PID 1736 wrote to memory of 796	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	58
PID 1736 wrote to memory of 796	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	58
PID 1736 wrote to memory of 796	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	58
PID 1736 wrote to memory of 588	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	60
PID 1736 wrote to memory of 588	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	60
PID 1736 wrote to memory of 588	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	60
PID 1736 wrote to memory of 588	1736	2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-04-09_200adbf607f2c0f1566f4255181e284c_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-09_200adbf607f2c0f1566f4255181e284c_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:1736
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2676
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2688
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2556
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2436
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2468
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1872
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2308
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1884
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2180
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1808
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2476
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2516
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2268
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1640
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:796
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2916
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1712
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2076
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:960
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2260

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/1736-1-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1736-2-0x00000000013D0000-0x00000000014D0000-memory.dmp

Filesize
1024KB

Download
memory/1736-3-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1736-5-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/1736-4-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1736-12-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1736-13-0x00000000013D0000-0x00000000014D0000-memory.dmp

Filesize
1024KB

Download
memory/1736-15-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download