gandcrab | 2870e77f544f7d5ce5a661b19bab6c0156096c30bb60dfde394d99e15d4114b8

Analysis

max time kernel
141s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 05:30

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General

Target

2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
Size

240KB
MD5

59b1df44fca95d8ae0b8a3c0e98c6f30
SHA1

6a55d6b9c0ebbf74f6bd35e2c4e309098bb004cb
SHA256

2870e77f544f7d5ce5a661b19bab6c0156096c30bb60dfde394d99e15d4114b8
SHA512

d01bb25812f6bf73ef07960fe0e40abf8164e9f8b0b980a231359ff9d6411d453d9ac7b96abed917bcc10427a5c521280adb2e80d3a4006ef717e10917d7f563
SSDEEP

3072:xYHVHd2NwMqqDL2/mr3IdE8we0Avu5r++ygLIaa4jRv9OtNZpHk:xycqqDL6oREzZpE

Score

10^/10

gandcrab backdoor discovery persistence ransomware upx

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral2/memory/2496-0-0x0000000000400000-0x000000000043C000-memory.dmp	family_gandcrab
behavioral2/memory/2496-4-0x0000000000400000-0x000000000043C000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab
Gandcrab family
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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\orjdgdnidlg = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe"	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_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)	\??\R:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\S:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\V:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\L:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\P:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\H:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\I:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\K:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\M:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\T:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\A:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\B:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\O:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\W:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\Y:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\J:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\N:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\Q:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\U:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\X:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\Z:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\E:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
File opened (read-only)	\??\G:	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2496-0-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/2496-4-0x0000000000400000-0x000000000043C000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.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	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 5052	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	87
PID 2496 wrote to memory of 5052	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	87
PID 2496 wrote to memory of 5052	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	87
PID 2496 wrote to memory of 4892	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	102
PID 2496 wrote to memory of 4892	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	102
PID 2496 wrote to memory of 4892	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	102
PID 2496 wrote to memory of 4672	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	106
PID 2496 wrote to memory of 4672	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	106
PID 2496 wrote to memory of 4672	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	106
PID 2496 wrote to memory of 232	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	113
PID 2496 wrote to memory of 232	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	113
PID 2496 wrote to memory of 232	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	113
PID 2496 wrote to memory of 2232	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	117
PID 2496 wrote to memory of 2232	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	117
PID 2496 wrote to memory of 2232	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	117
PID 2496 wrote to memory of 1596	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	121
PID 2496 wrote to memory of 1596	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	121
PID 2496 wrote to memory of 1596	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	121
PID 2496 wrote to memory of 2600	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	126
PID 2496 wrote to memory of 2600	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	126
PID 2496 wrote to memory of 2600	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	126
PID 2496 wrote to memory of 1264	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	130
PID 2496 wrote to memory of 1264	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	130
PID 2496 wrote to memory of 1264	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	130
PID 2496 wrote to memory of 3968	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	134
PID 2496 wrote to memory of 3968	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	134
PID 2496 wrote to memory of 3968	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	134
PID 2496 wrote to memory of 2780	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	138
PID 2496 wrote to memory of 2780	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	138
PID 2496 wrote to memory of 2780	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	138
PID 2496 wrote to memory of 2964	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	142
PID 2496 wrote to memory of 2964	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	142
PID 2496 wrote to memory of 2964	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	142
PID 2496 wrote to memory of 1692	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	145
PID 2496 wrote to memory of 1692	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	145
PID 2496 wrote to memory of 1692	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	145
PID 2496 wrote to memory of 4428	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	149
PID 2496 wrote to memory of 4428	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	149
PID 2496 wrote to memory of 4428	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	149
PID 2496 wrote to memory of 1668	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	153
PID 2496 wrote to memory of 1668	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	153
PID 2496 wrote to memory of 1668	2496	2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe	153

C:\Users\Admin\AppData\Local\Temp\2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-18_59b1df44fca95d8ae0b8a3c0e98c6f30_gandcrab.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5052
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4892
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:232
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2232
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1596
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2600
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1264
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3968
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1692
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4428
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1668

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2496-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2496-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download