gandcrab | 159ec015b3f0436c9a3a436056707843aa8eec8fa7433569fc960537c3e2e581

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/04/2024, 02:57

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General

Target

2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
Size

250KB
MD5

c7a174fe808d4a3e97429052eb13f6a2
SHA1

cf63eb56dcfbd1f19447a859088b2f3c5aab471e
SHA256

159ec015b3f0436c9a3a436056707843aa8eec8fa7433569fc960537c3e2e581
SHA512

7ebf98845054a72c9b8d3c12d8e0efdb3c3a8ac7e6c07d132a072bad233599ffc4c39bbee6b3a78a4fd799a933224cb19912c2342972920dda8dce2a5afe6d95
SSDEEP

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

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2292-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2292-6-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2292-13-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2292-16-0x0000000000220000-0x0000000000237000-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/2292-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2292-6-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2292-13-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2292-16-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2292-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2292-6-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2292-13-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2292-16-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2292-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2292-6-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/2292-13-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2292-16-0x0000000000220000-0x0000000000237000-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\rzxvdbcvcch = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\uqkbnn.exe\""	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_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)	\??\L:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_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	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2500	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	28
PID 2292 wrote to memory of 2500	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	28
PID 2292 wrote to memory of 2500	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	28
PID 2292 wrote to memory of 2500	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	28
PID 2292 wrote to memory of 2656	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	30
PID 2292 wrote to memory of 2656	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	30
PID 2292 wrote to memory of 2656	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	30
PID 2292 wrote to memory of 2656	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	30
PID 2292 wrote to memory of 2652	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	32
PID 2292 wrote to memory of 2652	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	32
PID 2292 wrote to memory of 2652	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	32
PID 2292 wrote to memory of 2652	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	32
PID 2292 wrote to memory of 2528	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	34
PID 2292 wrote to memory of 2528	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	34
PID 2292 wrote to memory of 2528	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	34
PID 2292 wrote to memory of 2528	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	34
PID 2292 wrote to memory of 1672	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	38
PID 2292 wrote to memory of 1672	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	38
PID 2292 wrote to memory of 1672	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	38
PID 2292 wrote to memory of 1672	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	38
PID 2292 wrote to memory of 456	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	40
PID 2292 wrote to memory of 456	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	40
PID 2292 wrote to memory of 456	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	40
PID 2292 wrote to memory of 456	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	40
PID 2292 wrote to memory of 888	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	42
PID 2292 wrote to memory of 888	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	42
PID 2292 wrote to memory of 888	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	42
PID 2292 wrote to memory of 888	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	42
PID 2292 wrote to memory of 2564	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	44
PID 2292 wrote to memory of 2564	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	44
PID 2292 wrote to memory of 2564	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	44
PID 2292 wrote to memory of 2564	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	44
PID 2292 wrote to memory of 1904	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	46
PID 2292 wrote to memory of 1904	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	46
PID 2292 wrote to memory of 1904	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	46
PID 2292 wrote to memory of 1904	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	46
PID 2292 wrote to memory of 1920	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	48
PID 2292 wrote to memory of 1920	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	48
PID 2292 wrote to memory of 1920	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	48
PID 2292 wrote to memory of 1920	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	48
PID 2292 wrote to memory of 1540	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	50
PID 2292 wrote to memory of 1540	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	50
PID 2292 wrote to memory of 1540	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	50
PID 2292 wrote to memory of 1540	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	50
PID 2292 wrote to memory of 308	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	52
PID 2292 wrote to memory of 308	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	52
PID 2292 wrote to memory of 308	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	52
PID 2292 wrote to memory of 308	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	52
PID 2292 wrote to memory of 1688	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	54
PID 2292 wrote to memory of 1688	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	54
PID 2292 wrote to memory of 1688	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	54
PID 2292 wrote to memory of 1688	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	54
PID 2292 wrote to memory of 2948	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	56
PID 2292 wrote to memory of 2948	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	56
PID 2292 wrote to memory of 2948	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	56
PID 2292 wrote to memory of 2948	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	56
PID 2292 wrote to memory of 592	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	58
PID 2292 wrote to memory of 592	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	58
PID 2292 wrote to memory of 592	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	58
PID 2292 wrote to memory of 592	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	58
PID 2292 wrote to memory of 2780	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	60
PID 2292 wrote to memory of 2780	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	60
PID 2292 wrote to memory of 2780	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	60
PID 2292 wrote to memory of 2780	2292	2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-10_c7a174fe808d4a3e97429052eb13f6a2_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:2292
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2500
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2656
- 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:2528
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:456
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2564
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1904
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1920
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1540
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:308
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1688
- 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:592
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2044
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:3008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1544
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1560
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1932
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2076
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2764

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/2292-2-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2292-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2292-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

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memory/2292-6-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

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memory/2292-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

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memory/2292-15-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

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memory/2292-16-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

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