gandcrab | c4722c728ef6a8556eceb33bdff9bae742f9e01591c3bf91179299748c61750e

General

Target

2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
Size

250KB
MD5

1083430fed2af21bc996d14e382f5378
SHA1

cb5cc375a12a51b0adb33fd6afcd60e462d1bda0
SHA256

c4722c728ef6a8556eceb33bdff9bae742f9e01591c3bf91179299748c61750e
SHA512

9d448d44b70023cc95d96c38d7e02c62156ff5a7a2e3bdf3574a2cc656ab5a37b2e059ad0f8b4a236d53270d052bd63b9c033261e06a7464f00db4833b0a21ce
SSDEEP

6144:u+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:6OCjaklYgVIpxIhDtR

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2784-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2784-4-0x0000000000260000-0x0000000000277000-memory.dmp	family_gandcrab
behavioral1/memory/2784-6-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2784-15-0x0000000000260000-0x0000000000277000-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

Processes:

resource	yara_rule
behavioral1/memory/2784-3-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2784-4-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2784-6-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2784-15-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2784-3-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2784-4-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2784-6-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2784-15-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2784-3-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2784-4-0x0000000000260000-0x0000000000277000-memory.dmp	Gandcrab
behavioral1/memory/2784-6-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2784-15-0x0000000000260000-0x0000000000277000-memory.dmp	Gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\zkukydnzkvb = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\hvzgyh.exe\""	2024-03-31_1083430fed2af21bc996d14e382f5378_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

Processes:

2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\W:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-31_1083430fed2af21bc996d14e382f5378_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

Processes:

2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe

pid process

2784 2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
2784 2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe

pid	process
2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe

description	pid	process	target process
PID 2784 wrote to memory of 2932	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2932	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2932	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2932	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2584	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2584	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2584	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2584	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2792	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2792	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2792	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2792	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2336	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2336	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2336	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2336	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2452	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2452	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2452	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2452	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 3048	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 3048	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 3048	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 3048	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1708	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1708	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1708	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1708	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2236	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2236	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2236	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2236	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1948	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1948	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1948	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1948	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1692	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1692	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1692	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1692	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 848	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 848	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 848	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 848	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1740	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1740	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1740	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1740	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2064	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2064	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2064	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2064	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2288	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2288	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2288	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2288	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2080	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2080	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2080	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2080	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 800	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 800	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 800	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 800	2784	2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-31_1083430fed2af21bc996d14e382f5378_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-31_1083430fed2af21bc996d14e382f5378_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:2784

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2932

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2584

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2792

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2336

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2452

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:3048

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1708

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2236

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1948

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1692

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:848

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1740

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2064

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2288

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2080

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:800

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:1960

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:452

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2020

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1352

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1288

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2032

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:3028

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2784-0-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2784-1-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2784-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2784-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2784-4-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download
memory/2784-6-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2784-13-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2784-15-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads