gandcrab | 4f7407a3845d42fdbd36544638e7958c145c05baf8ae182533a0124ccd9047d8

Analysis

max time kernel
165s
max time network
176s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/03/2024, 12:38

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General

Target

2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
Size

250KB
MD5

edda94fbc2c929ce9c1c496834688865
SHA1

3ccbca2ce6128adf6b6add83c46fce038f4d7950
SHA256

4f7407a3845d42fdbd36544638e7958c145c05baf8ae182533a0124ccd9047d8
SHA512

ea6114f3fb93fbad286315e9d49e14bb207835d27239fcee03c100083145d1382bec3c86c6e798088ce16ba4e3b359dd71f4203efa451d076c3455a269ab250e
SSDEEP

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

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2040-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2040-5-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2040-12-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2040-15-0x0000000000220000-0x0000000000237000-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/2040-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2040-5-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2040-12-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2040-15-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2040-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2040-5-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2040-12-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2040-15-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2040-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2040-5-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/2040-12-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2040-15-0x0000000000220000-0x0000000000237000-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\duilrawqmlb = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\ehqsao.exe\""	2024-03-09_edda94fbc2c929ce9c1c496834688865_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:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-09_edda94fbc2c929ce9c1c496834688865_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\Identifier	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2576	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	27
PID 2040 wrote to memory of 2576	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	27
PID 2040 wrote to memory of 2576	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	27
PID 2040 wrote to memory of 2576	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	27
PID 2040 wrote to memory of 2408	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	31
PID 2040 wrote to memory of 2408	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	31
PID 2040 wrote to memory of 2408	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	31
PID 2040 wrote to memory of 2408	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	31
PID 2040 wrote to memory of 2356	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	33
PID 2040 wrote to memory of 2356	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	33
PID 2040 wrote to memory of 2356	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	33
PID 2040 wrote to memory of 2356	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	33
PID 2040 wrote to memory of 1384	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	35
PID 2040 wrote to memory of 1384	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	35
PID 2040 wrote to memory of 1384	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	35
PID 2040 wrote to memory of 1384	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	35
PID 2040 wrote to memory of 2684	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	37
PID 2040 wrote to memory of 2684	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	37
PID 2040 wrote to memory of 2684	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	37
PID 2040 wrote to memory of 2684	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	37
PID 2040 wrote to memory of 1436	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	39
PID 2040 wrote to memory of 1436	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	39
PID 2040 wrote to memory of 1436	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	39
PID 2040 wrote to memory of 1436	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	39
PID 2040 wrote to memory of 1804	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	41
PID 2040 wrote to memory of 1804	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	41
PID 2040 wrote to memory of 1804	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	41
PID 2040 wrote to memory of 1804	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	41
PID 2040 wrote to memory of 1652	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	43
PID 2040 wrote to memory of 1652	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	43
PID 2040 wrote to memory of 1652	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	43
PID 2040 wrote to memory of 1652	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	43
PID 2040 wrote to memory of 2760	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	45
PID 2040 wrote to memory of 2760	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	45
PID 2040 wrote to memory of 2760	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	45
PID 2040 wrote to memory of 2760	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	45
PID 2040 wrote to memory of 1352	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	47
PID 2040 wrote to memory of 1352	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	47
PID 2040 wrote to memory of 1352	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	47
PID 2040 wrote to memory of 1352	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	47
PID 2040 wrote to memory of 1656	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	49
PID 2040 wrote to memory of 1656	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	49
PID 2040 wrote to memory of 1656	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	49
PID 2040 wrote to memory of 1656	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	49
PID 2040 wrote to memory of 1448	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	51
PID 2040 wrote to memory of 1448	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	51
PID 2040 wrote to memory of 1448	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	51
PID 2040 wrote to memory of 1448	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	51
PID 2040 wrote to memory of 2240	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	53
PID 2040 wrote to memory of 2240	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	53
PID 2040 wrote to memory of 2240	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	53
PID 2040 wrote to memory of 2240	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	53
PID 2040 wrote to memory of 1596	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	55
PID 2040 wrote to memory of 1596	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	55
PID 2040 wrote to memory of 1596	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	55
PID 2040 wrote to memory of 1596	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	55
PID 2040 wrote to memory of 1496	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	57
PID 2040 wrote to memory of 1496	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	57
PID 2040 wrote to memory of 1496	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	57
PID 2040 wrote to memory of 1496	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	57
PID 2040 wrote to memory of 1512	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	59
PID 2040 wrote to memory of 1512	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	59
PID 2040 wrote to memory of 1512	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	59
PID 2040 wrote to memory of 1512	2040	2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe	59

C:\Users\Admin\AppData\Local\Temp\2024-03-09_edda94fbc2c929ce9c1c496834688865_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-09_edda94fbc2c929ce9c1c496834688865_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:2040
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2576
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2408
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2356
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1384
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2684
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1436
- 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:1652
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1352
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1656
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1448
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2240
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1596
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1496
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1512
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2884

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

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Downloads

memory/2040-2-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2040-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2040-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2040-5-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/2040-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2040-13-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/2040-15-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download