gandcrab | 5986fd2379403231fdc432eeb88648a6cdcecab1b3d6105009df2a8b3225eaac

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 21:39

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General

Target

2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
Size

308KB
MD5

d4429b8d691b8858388812614cb1d300
SHA1

e944ee636ccb636fa8b9021a7811569d0fa7f35a
SHA256

5986fd2379403231fdc432eeb88648a6cdcecab1b3d6105009df2a8b3225eaac
SHA512

81975db020bfa8ba30c054dc774488f2c620aa8a6f15b32b2085378a20a40087233167e624a2102324ca9c32153568751fe756687adc68cd0f78f5853cc2c48b
SSDEEP

6144:rzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:ZDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2256-3-0x0000000000260000-0x0000000000277000-memory.dmp	family_gandcrab
behavioral1/memory/2256-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2256-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2256-13-0x0000000000260000-0x0000000000277000-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

resource	yara_rule
behavioral1/memory/2256-3-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2256-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2256-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2256-13-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2256-3-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2256-13-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2256-3-0x0000000000260000-0x0000000000277000-memory.dmp	Gandcrab
behavioral1/memory/2256-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2256-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2256-13-0x0000000000260000-0x0000000000277000-memory.dmp	Gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\qorcqjcxnds = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\ybscoi.exe\""	2024-02-21_d4429b8d691b8858388812614cb1d300_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)	\??\M:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-21_d4429b8d691b8858388812614cb1d300_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	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2524	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	28
PID 2256 wrote to memory of 2524	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	28
PID 2256 wrote to memory of 2524	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	28
PID 2256 wrote to memory of 2524	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	28
PID 2256 wrote to memory of 2540	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	30
PID 2256 wrote to memory of 2540	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	30
PID 2256 wrote to memory of 2540	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	30
PID 2256 wrote to memory of 2540	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	30
PID 2256 wrote to memory of 2428	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	32
PID 2256 wrote to memory of 2428	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	32
PID 2256 wrote to memory of 2428	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	32
PID 2256 wrote to memory of 2428	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	32
PID 2256 wrote to memory of 1724	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	36
PID 2256 wrote to memory of 1724	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	36
PID 2256 wrote to memory of 1724	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	36
PID 2256 wrote to memory of 1724	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	36
PID 2256 wrote to memory of 1164	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	38
PID 2256 wrote to memory of 1164	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	38
PID 2256 wrote to memory of 1164	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	38
PID 2256 wrote to memory of 1164	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	38
PID 2256 wrote to memory of 1640	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	40
PID 2256 wrote to memory of 1640	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	40
PID 2256 wrote to memory of 1640	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	40
PID 2256 wrote to memory of 1640	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	40
PID 2256 wrote to memory of 1308	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	42
PID 2256 wrote to memory of 1308	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	42
PID 2256 wrote to memory of 1308	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	42
PID 2256 wrote to memory of 1308	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	42
PID 2256 wrote to memory of 1088	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	44
PID 2256 wrote to memory of 1088	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	44
PID 2256 wrote to memory of 1088	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	44
PID 2256 wrote to memory of 1088	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	44
PID 2256 wrote to memory of 1484	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	46
PID 2256 wrote to memory of 1484	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	46
PID 2256 wrote to memory of 1484	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	46
PID 2256 wrote to memory of 1484	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	46
PID 2256 wrote to memory of 1480	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	48
PID 2256 wrote to memory of 1480	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	48
PID 2256 wrote to memory of 1480	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	48
PID 2256 wrote to memory of 1480	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	48
PID 2256 wrote to memory of 2172	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	50
PID 2256 wrote to memory of 2172	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	50
PID 2256 wrote to memory of 2172	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	50
PID 2256 wrote to memory of 2172	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	50
PID 2256 wrote to memory of 1540	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	52
PID 2256 wrote to memory of 1540	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	52
PID 2256 wrote to memory of 1540	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	52
PID 2256 wrote to memory of 1540	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	52
PID 2256 wrote to memory of 2168	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	54
PID 2256 wrote to memory of 2168	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	54
PID 2256 wrote to memory of 2168	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	54
PID 2256 wrote to memory of 2168	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	54
PID 2256 wrote to memory of 1752	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	56
PID 2256 wrote to memory of 1752	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	56
PID 2256 wrote to memory of 1752	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	56
PID 2256 wrote to memory of 1752	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	56
PID 2256 wrote to memory of 2432	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	58
PID 2256 wrote to memory of 2432	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	58
PID 2256 wrote to memory of 2432	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	58
PID 2256 wrote to memory of 2432	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	58
PID 2256 wrote to memory of 664	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	60
PID 2256 wrote to memory of 664	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	60
PID 2256 wrote to memory of 664	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	60
PID 2256 wrote to memory of 664	2256	2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-21_d4429b8d691b8858388812614cb1d300_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_d4429b8d691b8858388812614cb1d300_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:2256
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2524
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2540
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2428
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1724
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1164
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1640
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1308
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1088
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1484
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1480
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2172
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1540
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2168
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1752
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2432
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:664
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2296
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:3052
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1352
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2756
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2044
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2908

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/2256-3-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download
memory/2256-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2256-1-0x000000000AB80000-0x000000000AC80000-memory.dmp

Filesize
1024KB

Download
memory/2256-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2256-12-0x000000000AB80000-0x000000000AC80000-memory.dmp

Filesize
1024KB

Download
memory/2256-13-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download