gandcrab | e398edf2d4d3b7b28ff1d4b49c5837d42aca78ae1ab17f39d926071ff18dc438

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 17:23

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General

Target

2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
Size

145KB
MD5

188244d310dcd2b2fd8a69f887bace2e
SHA1

d4c1ff5ffa0f924deb0d9c42207a56074b329e9a
SHA256

e398edf2d4d3b7b28ff1d4b49c5837d42aca78ae1ab17f39d926071ff18dc438
SHA512

ba82ffc201bc04fb96f9e3eed03ec07fc718127ed81611535249e8486ea9f24e6a042fd3c9317afe12e9505067f235a76e202fa3401245a1c5e5df8fe5a866b3
SSDEEP

3072:wYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:wyOqqDL64vdGREz

Score

10^/10

gandcrab kinsing backdoor loader persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral2/memory/2008-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/2008-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab
Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral2/memory/2008-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/2008-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2008-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/2008-4-0x0000000000400000-0x0000000000428000-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\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\dcqdcojwrlw = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe"	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.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)	\??\J:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\R:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\S:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\U:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\V:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\E:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\K:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\O:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\P:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\T:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\I:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\B:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\G:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\H:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\L:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\N:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\Z:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\A:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\Q:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\W:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\X:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\Y:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
File opened (read-only)	\??\M:	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.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	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 3244	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	90
PID 2008 wrote to memory of 3244	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	90
PID 2008 wrote to memory of 3244	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	90
PID 2008 wrote to memory of 5008	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	97
PID 2008 wrote to memory of 5008	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	97
PID 2008 wrote to memory of 5008	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	97
PID 2008 wrote to memory of 1664	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	99
PID 2008 wrote to memory of 1664	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	99
PID 2008 wrote to memory of 1664	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	99
PID 2008 wrote to memory of 4620	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	102
PID 2008 wrote to memory of 4620	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	102
PID 2008 wrote to memory of 4620	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	102
PID 2008 wrote to memory of 860	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	104
PID 2008 wrote to memory of 860	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	104
PID 2008 wrote to memory of 860	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	104
PID 2008 wrote to memory of 5072	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	106
PID 2008 wrote to memory of 5072	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	106
PID 2008 wrote to memory of 5072	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	106
PID 2008 wrote to memory of 3380	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	108
PID 2008 wrote to memory of 3380	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	108
PID 2008 wrote to memory of 3380	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	108
PID 2008 wrote to memory of 4576	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	110
PID 2008 wrote to memory of 4576	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	110
PID 2008 wrote to memory of 4576	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	110
PID 2008 wrote to memory of 2144	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	112
PID 2008 wrote to memory of 2144	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	112
PID 2008 wrote to memory of 2144	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	112
PID 2008 wrote to memory of 4468	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	114
PID 2008 wrote to memory of 4468	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	114
PID 2008 wrote to memory of 4468	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	114
PID 2008 wrote to memory of 3264	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	116
PID 2008 wrote to memory of 3264	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	116
PID 2008 wrote to memory of 3264	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	116
PID 2008 wrote to memory of 1640	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	118
PID 2008 wrote to memory of 1640	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	118
PID 2008 wrote to memory of 1640	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	118
PID 2008 wrote to memory of 3812	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	120
PID 2008 wrote to memory of 3812	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	120
PID 2008 wrote to memory of 3812	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	120
PID 2008 wrote to memory of 1572	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	122
PID 2008 wrote to memory of 1572	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	122
PID 2008 wrote to memory of 1572	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	122
PID 2008 wrote to memory of 1284	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	124
PID 2008 wrote to memory of 1284	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	124
PID 2008 wrote to memory of 1284	2008	2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe	124

C:\Users\Admin\AppData\Local\Temp\2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_188244d310dcd2b2fd8a69f887bace2e_gandcrab.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3244
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:5008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1664
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:860
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:5072
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3380
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:4576
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2144
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4468
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:3264
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1640
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3812
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1572
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1284

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/2008-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2008-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download