fatalrat | 22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b

General

Target

22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exe
Size

140KB
MD5

f29e7b51522723bacfbccfe5d6c448cd
SHA1

3fa71a8cdb72fc4a6981be07cdbd9e3731f37a0b
SHA256

22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b
SHA512

dfff3c47160655403db34945a3461d3e060315c5f63b19a3a2d06185825cd5d4ab00d6a762dff18b753b8b81b6f52c4aaf0e304aca5ee143a90349c4d2711f11
SSDEEP

1536:Vua+BTv3tIO8MtM+/6jRVGIk1MgHjsPGYYwOda2CqqZOIgQJb0lfjtO+vbWL8xJm:Vn+htWMtf+7GZYGVA2QJgi8xJLDoUS

Score

10^/10

fatalrat discovery infostealer rat

Malware Config

Signatures

FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
infostealer rat fatalrat
Fatalrat family
fatalrat

Fatal Rat payload 3 IoCs

rat infostealer

Processes:

resource	yara_rule
behavioral2/memory/4604-1-0x0000000010000000-0x000000001001C000-memory.dmp	fatalrat
behavioral2/memory/3928-8-0x0000000010000000-0x000000001001C000-memory.dmp	fatalrat
behavioral2/memory/4604-19-0x0000000000400000-0x0000000000424000-memory.dmp	fatalrat

Executes dropped EXE 2 IoCs

Processes:

Ghijkl.exeGhijkl.exe

pid	Process
3928	Ghijkl.exe
4048	Ghijkl.exe

Drops file in Windows directory 4 IoCs

Processes:

22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exeGhijkl.exe

description	ioc	Process
File created	C:\Windows\Ghijkl.exe	22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exe
File opened for modification	C:\Windows\Ghijkl.exe	22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exe
File opened for modification	C:\Windows\Ghijkl.exe	Ghijkl.exe
File created	C:\Windows\Ghijkl.exe	Ghijkl.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exeGhijkl.exeGhijkl.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ghijkl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ghijkl.exe

Modifies data under HKEY_USERS 7 IoCs

Processes:

Ghijkl.exe

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Ghijkl Nopqrstu	Ghijkl.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Ghijkl Nopqrstu\Group = "new1104"	Ghijkl.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Ghijkl Nopqrstu\InstallTime = "2024-11-13 16:25"	Ghijkl.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Ghijkl Nopqrstu	Ghijkl.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM	Ghijkl.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet	Ghijkl.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services	Ghijkl.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exeGhijkl.exeGhijkl.exe

pid	Process
4604	22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exe
4604	22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exe
3928	Ghijkl.exe
3928	Ghijkl.exe
4048	Ghijkl.exe
4048	Ghijkl.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exe

pid	Process
4604	22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exeGhijkl.exeGhijkl.exe

description	pid	Process
Token: SeDebugPrivilege	4604	22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exe
Token: SeDebugPrivilege	3928	Ghijkl.exe
Token: SeDebugPrivilege	4048	Ghijkl.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Ghijkl.exe

description	pid	Process	procid_target
PID 3928 wrote to memory of 4048	3928	Ghijkl.exe	94
PID 3928 wrote to memory of 4048	3928	Ghijkl.exe	94
PID 3928 wrote to memory of 4048	3928	Ghijkl.exe	94

C:\Users\Admin\AppData\Local\Temp\22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exe
"C:\Users\Admin\AppData\Local\Temp\22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:4604

C:\Windows\Ghijkl.exe
C:\Windows\Ghijkl.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3928
- C:\Windows\Ghijkl.exe
  C:\Windows\Ghijkl.exe Win7
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Ghijkl.exe

Filesize
140KB

MD5
f29e7b51522723bacfbccfe5d6c448cd

SHA1
3fa71a8cdb72fc4a6981be07cdbd9e3731f37a0b

SHA256
22a05d9a615eca492fbf70d9cfb8f55619d99ceba9068322de4d45689519998b

SHA512
dfff3c47160655403db34945a3461d3e060315c5f63b19a3a2d06185825cd5d4ab00d6a762dff18b753b8b81b6f52c4aaf0e304aca5ee143a90349c4d2711f11

Download Submit
memory/3928-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4604-1-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4604-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads