gandcrab | 1f04a3308693aa17ac1e8dfc42e9852ee0083acc0b40b83af06823ccebc7ce61

General

Target

2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
Size

145KB
MD5

5e6590779747976a2bf4f28d95f88ab7
SHA1

445a22610ba13c87c9d8607a1b6afb8af9ef26dd
SHA256

1f04a3308693aa17ac1e8dfc42e9852ee0083acc0b40b83af06823ccebc7ce61
SHA512

e5a89f06e8aaf3227f3087f8c65ce11d72d3af8eb5a1d421a9246a3add4fb77a541fc28b5186db5f988112c755b1e0f8be95d6f833f427170f10d84fc333c575
SSDEEP

3072:7YHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:7yOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral1/memory/2216-4-0x0000000000400000-0x0000000000428000-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
behavioral1/memory/2216-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2216-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2216-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral1/memory/2216-4-0x0000000000400000-0x0000000000428000-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:

2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\hrnrozauals = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe"	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_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:

2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\Q:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\X:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\Z:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\B:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\G:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\N:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\P:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\S:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\T:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\A:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\H:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\J:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\R:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\V:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\W:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\Y:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\K:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\L:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\O:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\U:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\E:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\I:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
File opened (read-only)	\??\M:	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_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:

2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe

pid process

2216 2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
2216 2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe

pid	process
2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe

Suspicious use of WriteProcessMemory 56 IoCs

Processes:

2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe

description	pid	process	target process
PID 2216 wrote to memory of 3068	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 3068	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 3068	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 3068	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2728	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2728	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2728	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2728	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2740	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2740	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2740	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2740	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1184	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1184	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1184	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1184	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2584	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2584	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2584	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2584	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2904	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2904	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2904	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2904	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2552	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2552	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2552	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2552	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1108	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1108	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1108	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1108	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1860	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1860	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1860	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1860	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2060	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2060	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2060	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2060	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2052	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2052	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2052	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 2052	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 268	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 268	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 268	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 268	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 380	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 380	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 380	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 380	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1084	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1084	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1084	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe
PID 2216 wrote to memory of 1084	2216	2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-23_5e6590779747976a2bf4f28d95f88ab7_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_5e6590779747976a2bf4f28d95f88ab7_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:2216

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3068

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2728

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2740

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1184

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2584

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2904

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2552

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1108

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1860

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2060

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2052

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:268

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:380

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1084

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2216-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2216-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads