gandcrab | 49dba60733421f7455de9e0679bd2e75b88fb7616ca6392a98a2b8c00aef8692

General

Target

2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
Size

145KB
MD5

e8aaea486e8eca0aeef6526c111839fb
SHA1

ffdd53595302dce1c77ef2eeaf75dd46e6eb41d3
SHA256

49dba60733421f7455de9e0679bd2e75b88fb7616ca6392a98a2b8c00aef8692
SHA512

2f85e3353430a4691d176ebdb3a56e7addabf6a252c3ab3c9183f7d28fa83abf36990d165fbc2d351e61f9bf4dcbd05551704cc64ec015b5ca834619aec36b1c
SSDEEP

3072:SYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:SyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3932-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/3932-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3932-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/3932-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3932-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/3932-4-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ybzswctvwdd = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe"	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_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

Processes:

2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\A:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\G:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\N:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\O:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\Q:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\U:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\W:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\Z:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\B:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\H:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\I:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\M:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\P:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\X:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\Y:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\E:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\J:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\L:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\T:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\K:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\R:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\S:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
File opened (read-only)	\??\V:	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_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

Processes:

2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe

pid	process
3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe

description	pid	process	target process
PID 3932 wrote to memory of 416	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 416	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 416	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 1164	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 1164	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 1164	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2680	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2680	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2680	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2592	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2592	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2592	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 1560	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 1560	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 1560	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 116	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 116	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 116	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 4688	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 4688	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 4688	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2404	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2404	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2404	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 1488	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 1488	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 1488	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 4124	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 4124	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 4124	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 5096	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 5096	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 5096	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 5108	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 5108	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 5108	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2772	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2772	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 2772	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 8	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 8	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe
PID 3932 wrote to memory of 8	3932	2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-31_e8aaea486e8eca0aeef6526c111839fb_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-31_e8aaea486e8eca0aeef6526c111839fb_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:3932

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:416

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1164

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2680

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2592

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1560

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:116

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4688

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2404

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1488

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4124

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:5096

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:5108

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2772

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:8

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4512 --field-trial-handle=3136,i,3192284747741020952,1225278682167953346,262144 --variations-seed-version /prefetch:8
1⤵
PID:3244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3932-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3932-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads