fatalrat | ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc

Analysis

max time kernel
150s
max time network
140s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-03-2024 17:10

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General

Target

ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
Size

884KB
MD5

07050f58d4734f94d71d5c656306c23b
SHA1

0e7fb849a476226e5f00ae52ee14bc7a04934e8a
SHA256

ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc
SHA512

bf56b15e5b40a851241dcaa6005ce6fc1df72355550025a4f18b863258f6f704132c6c6ae1741f58d3944edc71a8d0e9ca44ae29c27d88135202b303f254cb09
SSDEEP

24576:d3HGeQT9vKePfo8j+v3nynH3ounCv6IQF2rmo/hQg:dWtKQfWv34nM82rXZQg

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 2 IoCs

rat infostealer

Processes:

resource	yara_rule
behavioral1/memory/2588-8693-0x0000000000400000-0x00000000004F2000-memory.dmp	fatalrat
behavioral1/memory/2744-17409-0x0000000000400000-0x00000000004F2000-memory.dmp	fatalrat

Executes dropped EXE 1 IoCs

Processes:

ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

pid	Process
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

Loads dropped DLL 2 IoCs

Processes:

ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

pid	Process
2588	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2588	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 30 IoCs

Processes:

ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exeef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

pid	Process
2588	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2588	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.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

Processes:

ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

Suspicious behavior: EnumeratesProcesses 51 IoCs

Processes:

ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

pid	Process
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

pid	Process
2588	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exeef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

description	pid	Process
Token: SeDebugPrivilege	2588	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
Token: SeDebugPrivilege	2744	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

description	pid	Process	procid_target
PID 2588 wrote to memory of 2744	2588	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe	28
PID 2588 wrote to memory of 2744	2588	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe	28
PID 2588 wrote to memory of 2744	2588	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe	28
PID 2588 wrote to memory of 2744	2588	ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe	28

C:\Users\Admin\AppData\Local\Temp\ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
"C:\Users\Admin\AppData\Local\Temp\ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Users\Admin\AppData\Local\ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe
  "C:\Users\Admin\AppData\Local\ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744

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

\Users\Admin\AppData\Local\ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc.exe

Filesize
884KB

MD5
07050f58d4734f94d71d5c656306c23b

SHA1
0e7fb849a476226e5f00ae52ee14bc7a04934e8a

SHA256
ef1b05a2a63607ac4554f2303fdd46377fc79b6fdc1117c9340af5d7d2f945bc

SHA512
bf56b15e5b40a851241dcaa6005ce6fc1df72355550025a4f18b863258f6f704132c6c6ae1741f58d3944edc71a8d0e9ca44ae29c27d88135202b303f254cb09

Download Submit
memory/2588-858-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-822-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-852-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-814-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-816-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-818-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-820-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-854-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-824-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-830-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-840-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-850-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-856-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-870-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-872-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-868-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-866-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-864-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-862-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-0-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2588-860-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-811-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-812-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-848-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-846-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-844-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-842-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-838-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-836-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-834-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-832-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-828-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-826-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-2547-0x0000000002030000-0x00000000021B1000-memory.dmp

Filesize
1.5MB

Download
memory/2588-8692-0x00000000022E0000-0x00000000023F1000-memory.dmp

Filesize
1.1MB

Download
memory/2588-8693-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2588-1-0x00000000766F0000-0x0000000076737000-memory.dmp

Filesize
284KB

Download
memory/2588-8704-0x0000000003380000-0x0000000003472000-memory.dmp

Filesize
968KB

Download
memory/2744-11256-0x0000000001E00000-0x0000000001F81000-memory.dmp

Filesize
1.5MB

Download
memory/2744-17396-0x00000000020B0000-0x00000000021C1000-memory.dmp

Filesize
1.1MB

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memory/2744-17401-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

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memory/2744-17409-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

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