gandcrab | 2f9c1061d2435e205feb7dacd42ad3b00d9c570080b2726663fd749e02f5837e

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 18:45

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General

Target

2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
Size

308KB
MD5

2080282d2d1272c6fbc973c772ee454a
SHA1

62b34aab31c44527806d434a3c81b041f808b228
SHA256

2f9c1061d2435e205feb7dacd42ad3b00d9c570080b2726663fd749e02f5837e
SHA512

e2524c4e7a9ff9090bfde46f47e7c057c529ae8a057b20b032d12704cf522b8a258039d44ab63f05de18ffa739c945585ff76aa6b38ae3c85defaf21319183b7
SSDEEP

6144:hzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:vDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/328-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/328-4-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/328-11-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/328-14-0x0000000000220000-0x0000000000237000-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/328-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/328-4-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/328-11-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/328-14-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/328-4-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/328-14-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/328-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/328-4-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/328-11-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/328-14-0x0000000000220000-0x0000000000237000-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\rczsmizjfni = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\ydgmkw.exe\""	2024-03-07_2080282d2d1272c6fbc973c772ee454a_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)	\??\K:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-07_2080282d2d1272c6fbc973c772ee454a_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	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 328 wrote to memory of 1316	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	28
PID 328 wrote to memory of 1316	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	28
PID 328 wrote to memory of 1316	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	28
PID 328 wrote to memory of 1316	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	28
PID 328 wrote to memory of 2588	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	30
PID 328 wrote to memory of 2588	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	30
PID 328 wrote to memory of 2588	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	30
PID 328 wrote to memory of 2588	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	30
PID 328 wrote to memory of 2892	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	32
PID 328 wrote to memory of 2892	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	32
PID 328 wrote to memory of 2892	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	32
PID 328 wrote to memory of 2892	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	32
PID 328 wrote to memory of 2584	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	34
PID 328 wrote to memory of 2584	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	34
PID 328 wrote to memory of 2584	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	34
PID 328 wrote to memory of 2584	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	34
PID 328 wrote to memory of 2472	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	36
PID 328 wrote to memory of 2472	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	36
PID 328 wrote to memory of 2472	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	36
PID 328 wrote to memory of 2472	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	36
PID 328 wrote to memory of 2112	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	38
PID 328 wrote to memory of 2112	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	38
PID 328 wrote to memory of 2112	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	38
PID 328 wrote to memory of 2112	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	38
PID 328 wrote to memory of 2952	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	42
PID 328 wrote to memory of 2952	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	42
PID 328 wrote to memory of 2952	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	42
PID 328 wrote to memory of 2952	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	42
PID 328 wrote to memory of 1852	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	44
PID 328 wrote to memory of 1852	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	44
PID 328 wrote to memory of 1852	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	44
PID 328 wrote to memory of 1852	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	44
PID 328 wrote to memory of 1672	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	46
PID 328 wrote to memory of 1672	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	46
PID 328 wrote to memory of 1672	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	46
PID 328 wrote to memory of 1672	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	46
PID 328 wrote to memory of 2980	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	48
PID 328 wrote to memory of 2980	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	48
PID 328 wrote to memory of 2980	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	48
PID 328 wrote to memory of 2980	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	48
PID 328 wrote to memory of 1520	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	50
PID 328 wrote to memory of 1520	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	50
PID 328 wrote to memory of 1520	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	50
PID 328 wrote to memory of 1520	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	50
PID 328 wrote to memory of 336	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	52
PID 328 wrote to memory of 336	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	52
PID 328 wrote to memory of 336	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	52
PID 328 wrote to memory of 336	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	52
PID 328 wrote to memory of 2096	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	54
PID 328 wrote to memory of 2096	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	54
PID 328 wrote to memory of 2096	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	54
PID 328 wrote to memory of 2096	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	54
PID 328 wrote to memory of 2068	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	56
PID 328 wrote to memory of 2068	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	56
PID 328 wrote to memory of 2068	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	56
PID 328 wrote to memory of 2068	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	56
PID 328 wrote to memory of 2540	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	58
PID 328 wrote to memory of 2540	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	58
PID 328 wrote to memory of 2540	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	58
PID 328 wrote to memory of 2540	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	58
PID 328 wrote to memory of 1108	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	60
PID 328 wrote to memory of 1108	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	60
PID 328 wrote to memory of 1108	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	60
PID 328 wrote to memory of 1108	328	2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-07_2080282d2d1272c6fbc973c772ee454a_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-07_2080282d2d1272c6fbc973c772ee454a_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:328
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1316
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2892
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2584
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2472
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2112
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2952
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1852
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2980
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1520
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:336
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2096
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2068
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2540
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1108
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1804
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1084
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1548
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1868
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1636

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/328-1-0x000000000AAB0000-0x000000000ABB0000-memory.dmp

Filesize
1024KB

Download
memory/328-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/328-4-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/328-11-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/328-13-0x000000000AAB0000-0x000000000ABB0000-memory.dmp

Filesize
1024KB

Download
memory/328-14-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download