fatalrat | 4a1ae7cf9606365db8ea043516a7ea76f673e55f3165f9e3573e31bc3b4710dd

Analysis

max time kernel
592s
max time network
602s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 13:12

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General

Target

7Q7ATX/9DTDG_o.exe
Size

148KB
MD5

f852aa63bc40b55bee5f0df8ab7ca885
SHA1

35bd2a698af33ef4dd20a8c32f7afbe65aafdb80
SHA256

e8b572831fe43f52bcf004ae3eee3ec7be5e8a31fc46721b1f6343baa2858aa0
SHA512

e95d1963953fa7a29c162b848cf30629b7bfb025f4235a6eda5f293e793e9dfac630e482fd246a4e337e12a8c1738066d83382e93c5b5bcdcbe91fe24742e5f1
SSDEEP

1536:4ApcD8QFjMFvLl5DABLu7SN5+DLNPFthAQd3qHvDXrqwHn9cdsK0sM6QMIEvYn70:rp28Lpk82agQcqqW

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/1184-3-0x0000000002220000-0x000000000224A000-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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	9DTDG_o.exe

Executes dropped EXE 1 IoCs

pid	Process
5024	9DTDG_o.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1184	9DTDG_o.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 5024	1184	9DTDG_o.exe	90
PID 1184 wrote to memory of 5024	1184	9DTDG_o.exe	90
PID 1184 wrote to memory of 5024	1184	9DTDG_o.exe	90

C:\Users\Admin\AppData\Local\Temp\7Q7ATX\9DTDG_o.exe
"C:\Users\Admin\AppData\Local\Temp\7Q7ATX\9DTDG_o.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\9DTDG_o.exe
  "C:\Users\Admin\AppData\Local\9DTDG_o.exe"
  2⤵
  - Executes dropped EXE
  PID:5024

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:4892

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3108 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:1072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\9DTDG_o.exe

Filesize
148KB

MD5
f852aa63bc40b55bee5f0df8ab7ca885

SHA1
35bd2a698af33ef4dd20a8c32f7afbe65aafdb80

SHA256
e8b572831fe43f52bcf004ae3eee3ec7be5e8a31fc46721b1f6343baa2858aa0

SHA512
e95d1963953fa7a29c162b848cf30629b7bfb025f4235a6eda5f293e793e9dfac630e482fd246a4e337e12a8c1738066d83382e93c5b5bcdcbe91fe24742e5f1

Download Submit
memory/1184-0-0x0000000002260000-0x0000000002291000-memory.dmp

Filesize
196KB

Download
memory/1184-3-0x0000000002220000-0x000000000224A000-memory.dmp

Filesize
168KB

Download