gandcrab | 97d8317249dd1f81cc145bdce5a306bc7c94d391091cee96afb616f807bceba9

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-02-2024 17:52

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General

Target

2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
Size

308KB
MD5

b2e9a3a69a629edbb2631218f5d113cc
SHA1

6071cbab6b88699169419e5ee9e14eafd43063d7
SHA256

97d8317249dd1f81cc145bdce5a306bc7c94d391091cee96afb616f807bceba9
SHA512

2f33ad36d8b5d41139d500738780680dccd85ca1b4f2679ab8c57416fe2e8e440291db57ab97e1fdebb94d0b7d01377aa0cb0bc0f98a379ce223ab53e1dab7f6
SSDEEP

6144:4zL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:eDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2212-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2212-3-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2212-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2212-13-0x0000000000220000-0x0000000000237000-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/2212-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2212-3-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2212-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2212-13-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2212-3-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2212-13-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2212-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2212-3-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/2212-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2212-13-0x0000000000220000-0x0000000000237000-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\onnftohnlhv = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\dnhdoa.exe\""	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_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)	\??\B:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_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_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2644	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	28
PID 2212 wrote to memory of 2644	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	28
PID 2212 wrote to memory of 2644	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	28
PID 2212 wrote to memory of 2644	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	28
PID 2212 wrote to memory of 2820	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	30
PID 2212 wrote to memory of 2820	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	30
PID 2212 wrote to memory of 2820	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	30
PID 2212 wrote to memory of 2820	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	30
PID 2212 wrote to memory of 2600	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	32
PID 2212 wrote to memory of 2600	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	32
PID 2212 wrote to memory of 2600	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	32
PID 2212 wrote to memory of 2600	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	32
PID 2212 wrote to memory of 2576	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	34
PID 2212 wrote to memory of 2576	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	34
PID 2212 wrote to memory of 2576	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	34
PID 2212 wrote to memory of 2576	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	34
PID 2212 wrote to memory of 2472	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	36
PID 2212 wrote to memory of 2472	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	36
PID 2212 wrote to memory of 2472	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	36
PID 2212 wrote to memory of 2472	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	36
PID 2212 wrote to memory of 2900	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	38
PID 2212 wrote to memory of 2900	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	38
PID 2212 wrote to memory of 2900	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	38
PID 2212 wrote to memory of 2900	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	38
PID 2212 wrote to memory of 2332	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	40
PID 2212 wrote to memory of 2332	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	40
PID 2212 wrote to memory of 2332	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	40
PID 2212 wrote to memory of 2332	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	40
PID 2212 wrote to memory of 2064	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	44
PID 2212 wrote to memory of 2064	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	44
PID 2212 wrote to memory of 2064	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	44
PID 2212 wrote to memory of 2064	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	44
PID 2212 wrote to memory of 1280	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	46
PID 2212 wrote to memory of 1280	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	46
PID 2212 wrote to memory of 1280	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	46
PID 2212 wrote to memory of 1280	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	46
PID 2212 wrote to memory of 2276	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	48
PID 2212 wrote to memory of 2276	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	48
PID 2212 wrote to memory of 2276	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	48
PID 2212 wrote to memory of 2276	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	48
PID 2212 wrote to memory of 2684	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	50
PID 2212 wrote to memory of 2684	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	50
PID 2212 wrote to memory of 2684	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	50
PID 2212 wrote to memory of 2684	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	50
PID 2212 wrote to memory of 860	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	52
PID 2212 wrote to memory of 860	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	52
PID 2212 wrote to memory of 860	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	52
PID 2212 wrote to memory of 860	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	52
PID 2212 wrote to memory of 2020	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	54
PID 2212 wrote to memory of 2020	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	54
PID 2212 wrote to memory of 2020	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	54
PID 2212 wrote to memory of 2020	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	54
PID 2212 wrote to memory of 2844	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	56
PID 2212 wrote to memory of 2844	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	56
PID 2212 wrote to memory of 2844	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	56
PID 2212 wrote to memory of 2844	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	56
PID 2212 wrote to memory of 2840	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	58
PID 2212 wrote to memory of 2840	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	58
PID 2212 wrote to memory of 2840	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	58
PID 2212 wrote to memory of 2840	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	58
PID 2212 wrote to memory of 1320	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	60
PID 2212 wrote to memory of 1320	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	60
PID 2212 wrote to memory of 1320	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	60
PID 2212 wrote to memory of 1320	2212	2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_b2e9a3a69a629edbb2631218f5d113cc_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:2212
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2644
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2820
- 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:2576
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2472
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2900
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2332
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2064
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1280
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2276
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2684
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:860
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2020
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2840
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1320
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2264
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:420
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1656
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1036
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1020

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/2212-1-0x000000000AB20000-0x000000000AC20000-memory.dmp

Filesize
1024KB

Download
memory/2212-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2212-3-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/2212-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2212-12-0x000000000AB20000-0x000000000AC20000-memory.dmp

Filesize
1024KB

Download
memory/2212-13-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download