gandcrab | 3c55d04a5983e3cfdd16942a1c1b23984009fcd41e60481e6805c323545a712f

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
27/02/2024, 15:51

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General

Target

2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
Size

308KB
MD5

aa5f439df599c2deb5895b1e31239615
SHA1

84aafdf4951ee71bf2b874a77e7698b00f03d335
SHA256

3c55d04a5983e3cfdd16942a1c1b23984009fcd41e60481e6805c323545a712f
SHA512

27b7d7a543f51eaa99bb90a7949e0267a0c6bc7c72dfd36a5ee54b88453a19d295d55aa21a286c3d43ed61ffd14146c426ec29a3f137c2bf1a23b788ec7b713d
SSDEEP

6144:AzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:mDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2728-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2728-3-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2728-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2728-13-0x0000000000220000-0x0000000000237000-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/2728-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2728-3-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2728-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2728-13-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2728-3-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2728-13-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2728-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2728-3-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/2728-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2728-13-0x0000000000220000-0x0000000000237000-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\lwufvlodgxd = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\uvdzri.exe\""	2024-02-27_aa5f439df599c2deb5895b1e31239615_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:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-27_aa5f439df599c2deb5895b1e31239615_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	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2828	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	28
PID 2728 wrote to memory of 2828	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	28
PID 2728 wrote to memory of 2828	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	28
PID 2728 wrote to memory of 2828	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	28
PID 2728 wrote to memory of 2560	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	30
PID 2728 wrote to memory of 2560	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	30
PID 2728 wrote to memory of 2560	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	30
PID 2728 wrote to memory of 2560	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	30
PID 2728 wrote to memory of 2572	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	32
PID 2728 wrote to memory of 2572	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	32
PID 2728 wrote to memory of 2572	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	32
PID 2728 wrote to memory of 2572	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	32
PID 2728 wrote to memory of 2896	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	34
PID 2728 wrote to memory of 2896	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	34
PID 2728 wrote to memory of 2896	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	34
PID 2728 wrote to memory of 2896	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	34
PID 2728 wrote to memory of 284	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	36
PID 2728 wrote to memory of 284	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	36
PID 2728 wrote to memory of 284	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	36
PID 2728 wrote to memory of 284	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	36
PID 2728 wrote to memory of 2664	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	38
PID 2728 wrote to memory of 2664	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	38
PID 2728 wrote to memory of 2664	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	38
PID 2728 wrote to memory of 2664	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	38
PID 2728 wrote to memory of 2296	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	42
PID 2728 wrote to memory of 2296	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	42
PID 2728 wrote to memory of 2296	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	42
PID 2728 wrote to memory of 2296	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	42
PID 2728 wrote to memory of 332	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	44
PID 2728 wrote to memory of 332	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	44
PID 2728 wrote to memory of 332	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	44
PID 2728 wrote to memory of 332	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	44
PID 2728 wrote to memory of 2460	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	46
PID 2728 wrote to memory of 2460	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	46
PID 2728 wrote to memory of 2460	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	46
PID 2728 wrote to memory of 2460	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	46
PID 2728 wrote to memory of 1336	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	48
PID 2728 wrote to memory of 1336	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	48
PID 2728 wrote to memory of 1336	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	48
PID 2728 wrote to memory of 1336	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	48
PID 2728 wrote to memory of 1692	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	50
PID 2728 wrote to memory of 1692	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	50
PID 2728 wrote to memory of 1692	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	50
PID 2728 wrote to memory of 1692	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	50
PID 2728 wrote to memory of 1888	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	52
PID 2728 wrote to memory of 1888	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	52
PID 2728 wrote to memory of 1888	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	52
PID 2728 wrote to memory of 1888	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	52
PID 2728 wrote to memory of 2204	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	54
PID 2728 wrote to memory of 2204	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	54
PID 2728 wrote to memory of 2204	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	54
PID 2728 wrote to memory of 2204	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	54
PID 2728 wrote to memory of 448	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	56
PID 2728 wrote to memory of 448	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	56
PID 2728 wrote to memory of 448	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	56
PID 2728 wrote to memory of 448	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	56
PID 2728 wrote to memory of 1420	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	58
PID 2728 wrote to memory of 1420	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	58
PID 2728 wrote to memory of 1420	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	58
PID 2728 wrote to memory of 1420	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	58
PID 2728 wrote to memory of 872	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	60
PID 2728 wrote to memory of 872	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	60
PID 2728 wrote to memory of 872	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	60
PID 2728 wrote to memory of 872	2728	2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-27_aa5f439df599c2deb5895b1e31239615_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-27_aa5f439df599c2deb5895b1e31239615_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:2728
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2828
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2560
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2572
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2896
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:284
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2664
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2296
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:332
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2460
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1336
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1692
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2204
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:448
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1420
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:872
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1624
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2040
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:756
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:472
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1948

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/2728-1-0x000000000AB80000-0x000000000AC80000-memory.dmp

Filesize
1024KB

Download
memory/2728-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2728-3-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/2728-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2728-12-0x000000000AB80000-0x000000000AC80000-memory.dmp

Filesize
1024KB

Download
memory/2728-13-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download