fatalrat | 685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73

Analysis

max time kernel
139s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
15-05-2023 06:35

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General

Target

685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe
Size

192KB
MD5

b360990b86ddae9902108e6229ea9314
SHA1

f0d1f4df642a0835b9c3a330c150f9e2c9c4ce11
SHA256

685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73
SHA512

b77b66f0d37b9af38586cf4b37b72fef31b5c779a67ab6ddd43206b41c94285c559fecbc90fab5c02d9eb6ae9c84acdbf4d215c82915241574bcc7d9a38c57cc
SSDEEP

3072:T1ltd5LZseWDzoPZ6WS6BLfvgaSlpcD+05f:NSzkPDNGEf

Score

10^/10

fatalrat infostealer rat

Malware Config

Signatures

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

Fatal Rat payload 1 IoCs

rat infostealer

resource	yara_rule
behavioral2/memory/4644-133-0x0000000010000000-0x000000001002A000-memory.dmp	fatalrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe

Executes dropped EXE 1 IoCs

pid	Process
616	685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4644	685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe
Token: SeDebugPrivilege	616	685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4644 wrote to memory of 616	4644	685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe	84
PID 4644 wrote to memory of 616	4644	685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe	84
PID 4644 wrote to memory of 616	4644	685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe	84

C:\Users\Admin\AppData\Local\Temp\685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe
"C:\Users\Admin\AppData\Local\Temp\685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644
- C:\Users\Admin\AppData\Local\685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe
  "C:\Users\Admin\AppData\Local\685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe

Filesize
192KB

MD5
b360990b86ddae9902108e6229ea9314

SHA1
f0d1f4df642a0835b9c3a330c150f9e2c9c4ce11

SHA256
685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73

SHA512
b77b66f0d37b9af38586cf4b37b72fef31b5c779a67ab6ddd43206b41c94285c559fecbc90fab5c02d9eb6ae9c84acdbf4d215c82915241574bcc7d9a38c57cc

Download Submit
C:\Users\Admin\AppData\Local\685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe

Filesize
192KB

MD5
b360990b86ddae9902108e6229ea9314

SHA1
f0d1f4df642a0835b9c3a330c150f9e2c9c4ce11

SHA256
685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73

SHA512
b77b66f0d37b9af38586cf4b37b72fef31b5c779a67ab6ddd43206b41c94285c559fecbc90fab5c02d9eb6ae9c84acdbf4d215c82915241574bcc7d9a38c57cc

Download Submit
C:\Users\Admin\AppData\Local\685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73.exe

Filesize
192KB

MD5
b360990b86ddae9902108e6229ea9314

SHA1
f0d1f4df642a0835b9c3a330c150f9e2c9c4ce11

SHA256
685dde158db35f724e25152cdd0c9e399c3e817c6447e50abd66767ad1e67e73

SHA512
b77b66f0d37b9af38586cf4b37b72fef31b5c779a67ab6ddd43206b41c94285c559fecbc90fab5c02d9eb6ae9c84acdbf4d215c82915241574bcc7d9a38c57cc

Download Submit
memory/4644-133-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download