gandcrab | 35e078103825d65b65d429656534ae33d42bac1f59523b0f49c31b383bc5a845

Analysis

max time kernel
146s
max time network
154s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
27/03/2024, 12:45

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General

Target

2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
Size

250KB
MD5

9497af7d0cc97717c5855957e8facd21
SHA1

e811a3832779bfb941cddb675f2ecc629920ad1a
SHA256

35e078103825d65b65d429656534ae33d42bac1f59523b0f49c31b383bc5a845
SHA512

a696b533edf01641326667ac1ff27ef8c4370d3953d342f67ef9aba696e23a74c71b24fbaae85cf0722967ae0aed219a3ab609d8ed6f9d58792cfa6b552238e3
SSDEEP

6144:3+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:rOCjaklYgVIpxIhDtR

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1280-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/1280-4-0x00000000002C0000-0x00000000002D7000-memory.dmp	family_gandcrab
behavioral1/memory/1280-11-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/1280-13-0x00000000002C0000-0x00000000002D7000-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/1280-3-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1280-4-0x00000000002C0000-0x00000000002D7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1280-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1280-13-0x00000000002C0000-0x00000000002D7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/1280-3-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1280-4-0x00000000002C0000-0x00000000002D7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1280-11-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1280-13-0x00000000002C0000-0x00000000002D7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1280-3-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/1280-4-0x00000000002C0000-0x00000000002D7000-memory.dmp	Gandcrab
behavioral1/memory/1280-11-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/1280-13-0x00000000002C0000-0x00000000002D7000-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\akdbezfrsnn = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\gbsvmi.exe\""	2024-03-27_9497af7d0cc97717c5855957e8facd21_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)	\??\A:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-27_9497af7d0cc97717c5855957e8facd21_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	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 2116	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	28
PID 1280 wrote to memory of 2116	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	28
PID 1280 wrote to memory of 2116	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	28
PID 1280 wrote to memory of 2116	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	28
PID 1280 wrote to memory of 2676	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	30
PID 1280 wrote to memory of 2676	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	30
PID 1280 wrote to memory of 2676	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	30
PID 1280 wrote to memory of 2676	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	30
PID 1280 wrote to memory of 2244	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	32
PID 1280 wrote to memory of 2244	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	32
PID 1280 wrote to memory of 2244	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	32
PID 1280 wrote to memory of 2244	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	32
PID 1280 wrote to memory of 1732	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	34
PID 1280 wrote to memory of 1732	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	34
PID 1280 wrote to memory of 1732	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	34
PID 1280 wrote to memory of 1732	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	34
PID 1280 wrote to memory of 2540	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	36
PID 1280 wrote to memory of 2540	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	36
PID 1280 wrote to memory of 2540	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	36
PID 1280 wrote to memory of 2540	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	36
PID 1280 wrote to memory of 2644	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	40
PID 1280 wrote to memory of 2644	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	40
PID 1280 wrote to memory of 2644	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	40
PID 1280 wrote to memory of 2644	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	40
PID 1280 wrote to memory of 2652	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	42
PID 1280 wrote to memory of 2652	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	42
PID 1280 wrote to memory of 2652	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	42
PID 1280 wrote to memory of 2652	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	42
PID 1280 wrote to memory of 612	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	44
PID 1280 wrote to memory of 612	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	44
PID 1280 wrote to memory of 612	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	44
PID 1280 wrote to memory of 612	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	44
PID 1280 wrote to memory of 484	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	46
PID 1280 wrote to memory of 484	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	46
PID 1280 wrote to memory of 484	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	46
PID 1280 wrote to memory of 484	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	46
PID 1280 wrote to memory of 1264	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	48
PID 1280 wrote to memory of 1264	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	48
PID 1280 wrote to memory of 1264	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	48
PID 1280 wrote to memory of 1264	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	48
PID 1280 wrote to memory of 2300	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	50
PID 1280 wrote to memory of 2300	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	50
PID 1280 wrote to memory of 2300	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	50
PID 1280 wrote to memory of 2300	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	50
PID 1280 wrote to memory of 656	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	52
PID 1280 wrote to memory of 656	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	52
PID 1280 wrote to memory of 656	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	52
PID 1280 wrote to memory of 656	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	52
PID 1280 wrote to memory of 2904	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	54
PID 1280 wrote to memory of 2904	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	54
PID 1280 wrote to memory of 2904	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	54
PID 1280 wrote to memory of 2904	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	54
PID 1280 wrote to memory of 1472	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	56
PID 1280 wrote to memory of 1472	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	56
PID 1280 wrote to memory of 1472	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	56
PID 1280 wrote to memory of 1472	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	56
PID 1280 wrote to memory of 1804	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	58
PID 1280 wrote to memory of 1804	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	58
PID 1280 wrote to memory of 1804	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	58
PID 1280 wrote to memory of 1804	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	58
PID 1280 wrote to memory of 2144	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	60
PID 1280 wrote to memory of 2144	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	60
PID 1280 wrote to memory of 2144	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	60
PID 1280 wrote to memory of 2144	1280	2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-27_9497af7d0cc97717c5855957e8facd21_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-27_9497af7d0cc97717c5855957e8facd21_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:1280
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2116
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2676
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2244
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1732
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2540
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2644
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2652
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:484
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1264
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2300
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:656
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2904
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1472
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1804
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2144
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1856
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:940

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/1280-0-0x0000000000230000-0x000000000024B000-memory.dmp

Filesize
108KB

Download
memory/1280-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1280-1-0x0000000000230000-0x000000000024B000-memory.dmp

Filesize
108KB

Download
memory/1280-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1280-4-0x00000000002C0000-0x00000000002D7000-memory.dmp

Filesize
92KB

Download
memory/1280-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1280-13-0x00000000002C0000-0x00000000002D7000-memory.dmp

Filesize
92KB

Download