gandcrab | ad187593ba0f24efb0412461141b77c903e847558c8b4a35f2479a806b9ece5a

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 19:00

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General

Target

2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
Size

308KB
MD5

e71432b5b67b7416e03558e89b090e55
SHA1

9bb6d7fb1eca4f87c131c78be5521a9840e6a7d7
SHA256

ad187593ba0f24efb0412461141b77c903e847558c8b4a35f2479a806b9ece5a
SHA512

1172266ad6c6058f951d5464f5b8d81c375e4a9689017c38b4d026d7fabda6a94806dc7ceaf00eecf21f0d9a38814bff5b16016ab055dbba5c409a1d9c2cebb2
SSDEEP

6144:WzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:UDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1072-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1072-3-0x0000000000250000-0x0000000000267000-memory.dmp	family_gandcrab
behavioral1/memory/1072-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1072-13-0x0000000000250000-0x0000000000267000-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/1072-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1072-3-0x0000000000250000-0x0000000000267000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1072-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1072-13-0x0000000000250000-0x0000000000267000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/1072-3-0x0000000000250000-0x0000000000267000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1072-13-0x0000000000250000-0x0000000000267000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1072-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1072-3-0x0000000000250000-0x0000000000267000-memory.dmp	Gandcrab
behavioral1/memory/1072-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1072-13-0x0000000000250000-0x0000000000267000-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\dhlsqnkszgs = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\kldkba.exe\""	2024-03-12_e71432b5b67b7416e03558e89b090e55_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)	\??\O:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-12_e71432b5b67b7416e03558e89b090e55_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	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 1124	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	28
PID 1072 wrote to memory of 1124	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	28
PID 1072 wrote to memory of 1124	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	28
PID 1072 wrote to memory of 1124	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	28
PID 1072 wrote to memory of 2720	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	30
PID 1072 wrote to memory of 2720	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	30
PID 1072 wrote to memory of 2720	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	30
PID 1072 wrote to memory of 2720	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	30
PID 1072 wrote to memory of 2640	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	32
PID 1072 wrote to memory of 2640	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	32
PID 1072 wrote to memory of 2640	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	32
PID 1072 wrote to memory of 2640	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	32
PID 1072 wrote to memory of 2736	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	34
PID 1072 wrote to memory of 2736	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	34
PID 1072 wrote to memory of 2736	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	34
PID 1072 wrote to memory of 2736	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	34
PID 1072 wrote to memory of 2212	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	36
PID 1072 wrote to memory of 2212	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	36
PID 1072 wrote to memory of 2212	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	36
PID 1072 wrote to memory of 2212	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	36
PID 1072 wrote to memory of 1524	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	40
PID 1072 wrote to memory of 1524	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	40
PID 1072 wrote to memory of 1524	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	40
PID 1072 wrote to memory of 1524	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	40
PID 1072 wrote to memory of 1836	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	42
PID 1072 wrote to memory of 1836	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	42
PID 1072 wrote to memory of 1836	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	42
PID 1072 wrote to memory of 1836	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	42
PID 1072 wrote to memory of 768	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	44
PID 1072 wrote to memory of 768	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	44
PID 1072 wrote to memory of 768	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	44
PID 1072 wrote to memory of 768	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	44
PID 1072 wrote to memory of 1384	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	46
PID 1072 wrote to memory of 1384	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	46
PID 1072 wrote to memory of 1384	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	46
PID 1072 wrote to memory of 1384	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	46
PID 1072 wrote to memory of 1776	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	48
PID 1072 wrote to memory of 1776	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	48
PID 1072 wrote to memory of 1776	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	48
PID 1072 wrote to memory of 1776	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	48
PID 1072 wrote to memory of 2304	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	50
PID 1072 wrote to memory of 2304	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	50
PID 1072 wrote to memory of 2304	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	50
PID 1072 wrote to memory of 2304	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	50
PID 1072 wrote to memory of 2540	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	52
PID 1072 wrote to memory of 2540	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	52
PID 1072 wrote to memory of 2540	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	52
PID 1072 wrote to memory of 2540	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	52
PID 1072 wrote to memory of 1652	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	54
PID 1072 wrote to memory of 1652	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	54
PID 1072 wrote to memory of 1652	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	54
PID 1072 wrote to memory of 1652	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	54
PID 1072 wrote to memory of 2408	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	56
PID 1072 wrote to memory of 2408	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	56
PID 1072 wrote to memory of 2408	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	56
PID 1072 wrote to memory of 2408	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	56
PID 1072 wrote to memory of 3004	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	58
PID 1072 wrote to memory of 3004	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	58
PID 1072 wrote to memory of 3004	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	58
PID 1072 wrote to memory of 3004	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	58
PID 1072 wrote to memory of 2392	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	60
PID 1072 wrote to memory of 2392	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	60
PID 1072 wrote to memory of 2392	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	60
PID 1072 wrote to memory of 2392	1072	2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-12_e71432b5b67b7416e03558e89b090e55_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_e71432b5b67b7416e03558e89b090e55_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:1072
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1124
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2720
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2640
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2736
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2212
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1524
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1836
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:768
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1384
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1776
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2304
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2540
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1652
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2408
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3004
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2392
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1788

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/1072-1-0x000000000AE20000-0x000000000AF20000-memory.dmp

Filesize
1024KB

Download
memory/1072-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1072-3-0x0000000000250000-0x0000000000267000-memory.dmp

Filesize
92KB

Download
memory/1072-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1072-12-0x000000000AE20000-0x000000000AF20000-memory.dmp

Filesize
1024KB

Download
memory/1072-13-0x0000000000250000-0x0000000000267000-memory.dmp

Filesize
92KB

Download