fatalrat | 8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15-04-2024 14:08

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General

Target

8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
Size

900KB
MD5

b453df3dd59b3deb37751908cd8e677f
SHA1

645c922c5aa6e9eafdfb3b692962cedc0c567f5d
SHA256

8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df
SHA512

e3ca834e05664323d0922d730599521eb5c3334e1775df7263ee1b6b19f3df1db0558f3c85c4b2541292b485f90578ffb160ef53a430439c1cb2e3be8bd8e58b
SSDEEP

24576:BIs/LMbqQ0r9BK3eeRAPbuTjBIxkul5AXMxABDsEC/:msDGtALeiwCFY4h/

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 4 IoCs

rat infostealer

resource	yara_rule
behavioral2/memory/2792-13073-0x0000000000400000-0x00000000004F6000-memory.dmp	fatalrat
behavioral2/memory/2792-13074-0x0000000010000000-0x000000001002A000-memory.dmp	fatalrat
behavioral2/memory/404-26161-0x0000000000400000-0x00000000004F6000-memory.dmp	fatalrat
behavioral2/memory/404-26167-0x0000000000400000-0x00000000004F6000-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-1-5-21-3198953144-1466794930-246379610-1000\Control Panel\International\Geo\Nation	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe

Executes dropped EXE 1 IoCs

pid	Process
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 33 IoCs

pid	Process
2792	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
2792	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.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	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2792	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
Token: SeDebugPrivilege	404	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 404	2792	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe	88
PID 2792 wrote to memory of 404	2792	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe	88
PID 2792 wrote to memory of 404	2792	8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe	88

C:\Users\Admin\AppData\Local\Temp\8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
"C:\Users\Admin\AppData\Local\Temp\8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe"
1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe
  "C:\Users\Admin\AppData\Local\8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:404

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\8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df.exe

Filesize
900KB

MD5
b453df3dd59b3deb37751908cd8e677f

SHA1
645c922c5aa6e9eafdfb3b692962cedc0c567f5d

SHA256
8f05b29284b0bf78da28f4591214941d29c7e3c06fc2cf88deec7303499d99df

SHA512
e3ca834e05664323d0922d730599521eb5c3334e1775df7263ee1b6b19f3df1db0558f3c85c4b2541292b485f90578ffb160ef53a430439c1cb2e3be8bd8e58b

Download Submit
memory/404-13088-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/404-26167-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/404-26161-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/404-26160-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/404-26158-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/404-26157-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/404-18972-0x0000000075B80000-0x0000000075BFA000-memory.dmp

Filesize
488KB

Download
memory/404-16963-0x0000000075D80000-0x0000000075F20000-memory.dmp

Filesize
1.6MB

Download
memory/404-13089-0x0000000076A10000-0x0000000076C25000-memory.dmp

Filesize
2.1MB

Download
memory/2792-13069-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/2792-13074-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/2792-13073-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/2792-13072-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/2792-13070-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/2792-0-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/2792-5884-0x0000000075B80000-0x0000000075BFA000-memory.dmp

Filesize
488KB

Download
memory/2792-3875-0x0000000075D80000-0x0000000075F20000-memory.dmp

Filesize
1.6MB

Download
memory/2792-1-0x0000000076A10000-0x0000000076C25000-memory.dmp

Filesize
2.1MB

Download