gandcrab | 375960aa47a9b25c56b7f72b77251325df998a904c9970fbfdaa22b4b1871bdd

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
09/03/2024, 06:35

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General

Target

2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
Size

250KB
MD5

9b5a6861fe792b3e7def37586bff3c01
SHA1

4ce4f410ab1aeec3480e14b5e12bab8dbd6435b1
SHA256

375960aa47a9b25c56b7f72b77251325df998a904c9970fbfdaa22b4b1871bdd
SHA512

df65645bd56c8a67e29d0067830ae2e3fa734685627b5aac18e5fdde20ede373af1e1fdf5a56306678aac508add9e10232a03c6d523e61f955f11286369659de
SSDEEP

3072:c/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:c/y20Gj0r+EBFrkvlU3RvIUDOIN

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/952-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/952-5-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/952-12-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/952-15-0x0000000000220000-0x0000000000237000-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/952-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/952-5-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/952-12-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/952-15-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/952-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/952-5-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/952-12-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/952-15-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/952-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/952-5-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/952-12-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/952-15-0x0000000000220000-0x0000000000237000-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\pwcvdjetoia = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\jmiuex.exe\""	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_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:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 2092	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	28
PID 952 wrote to memory of 2092	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	28
PID 952 wrote to memory of 2092	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	28
PID 952 wrote to memory of 2092	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	28
PID 952 wrote to memory of 2604	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	30
PID 952 wrote to memory of 2604	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	30
PID 952 wrote to memory of 2604	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	30
PID 952 wrote to memory of 2604	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	30
PID 952 wrote to memory of 2600	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	32
PID 952 wrote to memory of 2600	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	32
PID 952 wrote to memory of 2600	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	32
PID 952 wrote to memory of 2600	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	32
PID 952 wrote to memory of 2920	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	34
PID 952 wrote to memory of 2920	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	34
PID 952 wrote to memory of 2920	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	34
PID 952 wrote to memory of 2920	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	34
PID 952 wrote to memory of 2512	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	36
PID 952 wrote to memory of 2512	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	36
PID 952 wrote to memory of 2512	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	36
PID 952 wrote to memory of 2512	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	36
PID 952 wrote to memory of 2528	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	38
PID 952 wrote to memory of 2528	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	38
PID 952 wrote to memory of 2528	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	38
PID 952 wrote to memory of 2528	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	38
PID 952 wrote to memory of 2088	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	40
PID 952 wrote to memory of 2088	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	40
PID 952 wrote to memory of 2088	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	40
PID 952 wrote to memory of 2088	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	40
PID 952 wrote to memory of 2680	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	42
PID 952 wrote to memory of 2680	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	42
PID 952 wrote to memory of 2680	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	42
PID 952 wrote to memory of 2680	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	42
PID 952 wrote to memory of 1816	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	46
PID 952 wrote to memory of 1816	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	46
PID 952 wrote to memory of 1816	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	46
PID 952 wrote to memory of 1816	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	46
PID 952 wrote to memory of 852	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	48
PID 952 wrote to memory of 852	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	48
PID 952 wrote to memory of 852	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	48
PID 952 wrote to memory of 852	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	48
PID 952 wrote to memory of 1176	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	50
PID 952 wrote to memory of 1176	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	50
PID 952 wrote to memory of 1176	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	50
PID 952 wrote to memory of 1176	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	50
PID 952 wrote to memory of 1272	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	52
PID 952 wrote to memory of 1272	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	52
PID 952 wrote to memory of 1272	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	52
PID 952 wrote to memory of 1272	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	52
PID 952 wrote to memory of 2296	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	54
PID 952 wrote to memory of 2296	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	54
PID 952 wrote to memory of 2296	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	54
PID 952 wrote to memory of 2296	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	54
PID 952 wrote to memory of 856	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	56
PID 952 wrote to memory of 856	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	56
PID 952 wrote to memory of 856	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	56
PID 952 wrote to memory of 856	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	56
PID 952 wrote to memory of 2116	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	58
PID 952 wrote to memory of 2116	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	58
PID 952 wrote to memory of 2116	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	58
PID 952 wrote to memory of 2116	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	58
PID 952 wrote to memory of 452	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	60
PID 952 wrote to memory of 452	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	60
PID 952 wrote to memory of 452	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	60
PID 952 wrote to memory of 452	952	2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-09_9b5a6861fe792b3e7def37586bff3c01_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-09_9b5a6861fe792b3e7def37586bff3c01_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:952
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2092
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2604
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2600
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2920
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2512
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2528
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2088
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2680
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1816
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:852
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1176
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1272
- 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:856
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2116
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:452
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1496
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2948
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1148
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2432
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:764
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2136
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2312
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1080

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/952-2-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

Download
memory/952-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/952-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/952-5-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/952-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/952-14-0x0000000000570000-0x0000000000670000-memory.dmp

Filesize
1024KB

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memory/952-15-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

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