fatalrat | e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889

Analysis

max time kernel
124s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15-05-2023 06:35

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General

Target

e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe
Size

192KB
MD5

eb66dc24802087a923db24580d5fda89
SHA1

0def4d74e9ef391b2a8f9f55506a3889a88efa36
SHA256

e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889
SHA512

21a8bb93979e46fd58450d84ca3f3328b5ce651ef502e11a623948d43ef921c3f2c1336311007c826e536eb1dd987c468883b200a88d4672ce3c3411413505b6
SSDEEP

3072:01ltd5LZseWDzoPZ6WS6BLfvgaSlpcD+05f:ISzkPDNGEf

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/4656-133-0x0000000010000000-0x000000001002A000-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-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation	e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.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	4656	e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe
Token: SeDebugPrivilege	2756	e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 2756	4656	e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe	83
PID 4656 wrote to memory of 2756	4656	e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe	83
PID 4656 wrote to memory of 2756	4656	e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe	83

C:\Users\Admin\AppData\Local\Temp\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe
"C:\Users\Admin\AppData\Local\Temp\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe
  "C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2756

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\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

Filesize
192KB

MD5
eb66dc24802087a923db24580d5fda89

SHA1
0def4d74e9ef391b2a8f9f55506a3889a88efa36

SHA256
e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889

SHA512
21a8bb93979e46fd58450d84ca3f3328b5ce651ef502e11a623948d43ef921c3f2c1336311007c826e536eb1dd987c468883b200a88d4672ce3c3411413505b6

Download Submit
C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

Filesize
192KB

MD5
eb66dc24802087a923db24580d5fda89

SHA1
0def4d74e9ef391b2a8f9f55506a3889a88efa36

SHA256
e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889

SHA512
21a8bb93979e46fd58450d84ca3f3328b5ce651ef502e11a623948d43ef921c3f2c1336311007c826e536eb1dd987c468883b200a88d4672ce3c3411413505b6

Download Submit
C:\Users\Admin\AppData\Local\e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889.exe

Filesize
192KB

MD5
eb66dc24802087a923db24580d5fda89

SHA1
0def4d74e9ef391b2a8f9f55506a3889a88efa36

SHA256
e4b96ab4d5722f4fb854757073a3a11883d8531403e745d9e073c45c29582889

SHA512
21a8bb93979e46fd58450d84ca3f3328b5ce651ef502e11a623948d43ef921c3f2c1336311007c826e536eb1dd987c468883b200a88d4672ce3c3411413505b6

Download Submit
memory/4656-133-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download