fatalrat | 5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d

General

Target

5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d.exe
Size

8.4MB
MD5

aa246caafc8a20e8bc72eadcf20f2b10
SHA1

6ca0bd0ced78d1746be9fb9bd278b9d029e74f08
SHA256

5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d
SHA512

1582cc4729a543cd54147ed092f348d013e54fcd819fbbfae046d736e3c69cfbdc7e334ebd759b75d15ca90e85b7099297893db59887c66e053900afce09ff42
SSDEEP

98304:xxvIZAUerFooZwXjuPhdTMOgSGF0YMrsWpctwN8IxR88gG/UsQEHxFPZ1:sZrerFooZeIhd1GF0lNBRLcszHxZ

Score

10^/10

fatalrat gh0strat infostealer rat

Malware Config

Signatures

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

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/1472-0-0x0000000010000000-0x0000000010026000-memory.dmp	family_gh0strat
behavioral1/memory/2656-15-0x0000000010000000-0x0000000010026000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Fatal Rat payload 2 IoCs

rat infostealer

resource	yara_rule
behavioral1/memory/1472-0-0x0000000010000000-0x0000000010026000-memory.dmp	fatalrat
behavioral1/memory/2656-15-0x0000000010000000-0x0000000010026000-memory.dmp	fatalrat

Executes dropped EXE 1 IoCs

pid	Process
2656	WinLong.exe

Loads dropped DLL 2 IoCs

pid	Process
1472	5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d.exe
1472	5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 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	WinLong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WinLong.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe
2656	WinLong.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1472	5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d.exe
Token: SeDebugPrivilege	2656	WinLong.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 2656	1472	5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d.exe	28
PID 1472 wrote to memory of 2656	1472	5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d.exe	28
PID 1472 wrote to memory of 2656	1472	5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d.exe	28
PID 1472 wrote to memory of 2656	1472	5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d.exe	28

C:\Users\Admin\AppData\Local\Temp\5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d.exe
"C:\Users\Admin\AppData\Local\Temp\5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Users\Public\Downloads\WinLong.exe
  "C:\Users\Public\Downloads\WinLong.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\Downloads\WinLong.exe

Filesize
8.4MB

MD5
aa246caafc8a20e8bc72eadcf20f2b10

SHA1
6ca0bd0ced78d1746be9fb9bd278b9d029e74f08

SHA256
5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d

SHA512
1582cc4729a543cd54147ed092f348d013e54fcd819fbbfae046d736e3c69cfbdc7e334ebd759b75d15ca90e85b7099297893db59887c66e053900afce09ff42

Download Submit
C:\Users\Public\Downloads\WinLong.exe

Filesize
8.4MB

MD5
aa246caafc8a20e8bc72eadcf20f2b10

SHA1
6ca0bd0ced78d1746be9fb9bd278b9d029e74f08

SHA256
5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d

SHA512
1582cc4729a543cd54147ed092f348d013e54fcd819fbbfae046d736e3c69cfbdc7e334ebd759b75d15ca90e85b7099297893db59887c66e053900afce09ff42

Download Submit
C:\Users\Public\Downloads\WinLong.exe

Filesize
8.4MB

MD5
aa246caafc8a20e8bc72eadcf20f2b10

SHA1
6ca0bd0ced78d1746be9fb9bd278b9d029e74f08

SHA256
5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d

SHA512
1582cc4729a543cd54147ed092f348d013e54fcd819fbbfae046d736e3c69cfbdc7e334ebd759b75d15ca90e85b7099297893db59887c66e053900afce09ff42

Download Submit
\Users\Public\Downloads\WinLong.exe

Filesize
8.4MB

MD5
aa246caafc8a20e8bc72eadcf20f2b10

SHA1
6ca0bd0ced78d1746be9fb9bd278b9d029e74f08

SHA256
5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d

SHA512
1582cc4729a543cd54147ed092f348d013e54fcd819fbbfae046d736e3c69cfbdc7e334ebd759b75d15ca90e85b7099297893db59887c66e053900afce09ff42

Download Submit
\Users\Public\Downloads\WinLong.exe

Filesize
8.4MB

MD5
aa246caafc8a20e8bc72eadcf20f2b10

SHA1
6ca0bd0ced78d1746be9fb9bd278b9d029e74f08

SHA256
5f0c6b332ecbeeb94f8660d9b5c848908af1e4917a600b22d559352d3d47be5d

SHA512
1582cc4729a543cd54147ed092f348d013e54fcd819fbbfae046d736e3c69cfbdc7e334ebd759b75d15ca90e85b7099297893db59887c66e053900afce09ff42

Download Submit
memory/1472-0-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download
memory/2656-15-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download

Analysis

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