gandcrab | bd347764807bcb6c235303c98f253d44a6eec51d5ac633540875382b212a4f80

Analysis

max time kernel
146s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-03-2024 11:52

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General

Target

2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
Size

250KB
MD5

bd9d50ab6355ebf7dc390eb58a4c092f
SHA1

d1c5783ea303059180f9837a815d13f932ffa69c
SHA256

bd347764807bcb6c235303c98f253d44a6eec51d5ac633540875382b212a4f80
SHA512

a26f985652691c0c8fe435285c9c03af4cdaa2d8c803b4dc2d950a59073482e9ead2786d9a9fac35d3e4bfd23bdade7406fe81aee92d5628ff8ae2fce1bda37c
SSDEEP

6144:y+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:uOCjaklYgVIpxIhDtR

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2076-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2076-4-0x0000000000260000-0x0000000000277000-memory.dmp	family_gandcrab
behavioral1/memory/2076-11-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2076-14-0x0000000000260000-0x0000000000277000-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/2076-3-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2076-4-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2076-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2076-14-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2076-3-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2076-4-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2076-11-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2076-14-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2076-3-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2076-4-0x0000000000260000-0x0000000000277000-memory.dmp	Gandcrab
behavioral1/memory/2076-11-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2076-14-0x0000000000260000-0x0000000000277000-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\yivfreontvn = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\dktmgt.exe\""	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_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:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_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	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2564	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	28
PID 2076 wrote to memory of 2564	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	28
PID 2076 wrote to memory of 2564	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	28
PID 2076 wrote to memory of 2564	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	28
PID 2076 wrote to memory of 2596	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	30
PID 2076 wrote to memory of 2596	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	30
PID 2076 wrote to memory of 2596	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	30
PID 2076 wrote to memory of 2596	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	30
PID 2076 wrote to memory of 2384	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	32
PID 2076 wrote to memory of 2384	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	32
PID 2076 wrote to memory of 2384	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	32
PID 2076 wrote to memory of 2384	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	32
PID 2076 wrote to memory of 2664	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	34
PID 2076 wrote to memory of 2664	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	34
PID 2076 wrote to memory of 2664	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	34
PID 2076 wrote to memory of 2664	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	34
PID 2076 wrote to memory of 2868	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	38
PID 2076 wrote to memory of 2868	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	38
PID 2076 wrote to memory of 2868	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	38
PID 2076 wrote to memory of 2868	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	38
PID 2076 wrote to memory of 268	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	40
PID 2076 wrote to memory of 268	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	40
PID 2076 wrote to memory of 268	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	40
PID 2076 wrote to memory of 268	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	40
PID 2076 wrote to memory of 1108	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	42
PID 2076 wrote to memory of 1108	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	42
PID 2076 wrote to memory of 1108	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	42
PID 2076 wrote to memory of 1108	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	42
PID 2076 wrote to memory of 2128	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	44
PID 2076 wrote to memory of 2128	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	44
PID 2076 wrote to memory of 2128	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	44
PID 2076 wrote to memory of 2128	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	44
PID 2076 wrote to memory of 1692	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	46
PID 2076 wrote to memory of 1692	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	46
PID 2076 wrote to memory of 1692	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	46
PID 2076 wrote to memory of 1692	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	46
PID 2076 wrote to memory of 2124	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	48
PID 2076 wrote to memory of 2124	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	48
PID 2076 wrote to memory of 2124	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	48
PID 2076 wrote to memory of 2124	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	48
PID 2076 wrote to memory of 1968	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	50
PID 2076 wrote to memory of 1968	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	50
PID 2076 wrote to memory of 1968	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	50
PID 2076 wrote to memory of 1968	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	50
PID 2076 wrote to memory of 2280	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	52
PID 2076 wrote to memory of 2280	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	52
PID 2076 wrote to memory of 2280	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	52
PID 2076 wrote to memory of 2280	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	52
PID 2076 wrote to memory of 1620	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	54
PID 2076 wrote to memory of 1620	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	54
PID 2076 wrote to memory of 1620	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	54
PID 2076 wrote to memory of 1620	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	54
PID 2076 wrote to memory of 2660	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	56
PID 2076 wrote to memory of 2660	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	56
PID 2076 wrote to memory of 2660	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	56
PID 2076 wrote to memory of 2660	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	56
PID 2076 wrote to memory of 824	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	58
PID 2076 wrote to memory of 824	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	58
PID 2076 wrote to memory of 824	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	58
PID 2076 wrote to memory of 824	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	58
PID 2076 wrote to memory of 2228	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	60
PID 2076 wrote to memory of 2228	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	60
PID 2076 wrote to memory of 2228	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	60
PID 2076 wrote to memory of 2228	2076	2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_bd9d50ab6355ebf7dc390eb58a4c092f_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:2076
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2564
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2596
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2384
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2664
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2868
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:268
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1108
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2128
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1692
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2124
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1968
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2280
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2660
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:824
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2228
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:432
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1600
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2284
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1120
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1532
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1760

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/2076-0-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2076-1-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2076-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2076-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2076-4-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download
memory/2076-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2076-12-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2076-14-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

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