fatalrat | 940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-03-2024 03:13

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General

Target

940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
Size

884KB
MD5

0aaa616d0539956bccb9bc191d242e1d
SHA1

426ead4ee1f17954ff1faab5c30a8691dc7028bf
SHA256

940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde
SHA512

e0f2b25b4680436964dc6ffd767cda4b99949a131135576b17a89db99fc72d704749d6a8cf48706784ab1015818edd154e221e4916df841a3b539c102a6176fa
SSDEEP

24576:639bNTQbPHkjvLS8RfYtQZsUPTidGxXObf5L6tMezy:C0kX3MdUr4G9OLvwy

Score

10^/10

fatalrat infostealer persistence 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

resource	yara_rule
behavioral1/memory/1908-8691-0x0000000000400000-0x00000000004F4000-memory.dmp	fatalrat
behavioral1/memory/2296-17410-0x0000000000400000-0x00000000004F4000-memory.dmp	fatalrat

Executes dropped EXE 1 IoCs

pid	Process
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe

Loads dropped DLL 2 IoCs

pid	Process
1908	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
1908	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe"	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs

pid	Process
1908	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
1908	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
1908	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.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	1908	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
Token: SeDebugPrivilege	2296	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2296	1908	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe	30
PID 1908 wrote to memory of 2296	1908	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe	30
PID 1908 wrote to memory of 2296	1908	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe	30
PID 1908 wrote to memory of 2296	1908	940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe	30

C:\Users\Admin\AppData\Local\Temp\940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
"C:\Users\Admin\AppData\Local\Temp\940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Users\Admin\AppData\Local\940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe
  "C:\Users\Admin\AppData\Local\940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  PID:2296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe

Filesize
704KB

MD5
590813b662eb06a4adf3aa8dfb2ab07a

SHA1
1b2c53827b8bb9bbef6d3e507d8943bcfa0bc940

SHA256
28668a83d373a7981c209cbbbe0d34efb68d983a0786fb1eac221a2e3c5c71f3

SHA512
dc4b6d37be7fc419f8ce91afce4d54c3e22e7aa54f6344f9d217848c6cd527ac681d521d9642edc02a3eb63a7fd656651ba892aaad15892fd714e4b6736334a3

Download Submit
C:\Users\Admin\AppData\Local\940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde.exe

Filesize
884KB

MD5
0aaa616d0539956bccb9bc191d242e1d

SHA1
426ead4ee1f17954ff1faab5c30a8691dc7028bf

SHA256
940dc4a02912b70833ac3378571d76ecbeb1843e6f18d32991844878c982bdde

SHA512
e0f2b25b4680436964dc6ffd767cda4b99949a131135576b17a89db99fc72d704749d6a8cf48706784ab1015818edd154e221e4916df841a3b539c102a6176fa

Download Submit
memory/1908-850-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-824-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-860-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-812-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-820-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-818-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-822-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-852-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-828-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-830-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-826-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-832-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-0-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/1908-836-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-838-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-840-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-842-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-844-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-846-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-848-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-834-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-816-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-814-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-858-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-856-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-854-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-862-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-864-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-866-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-870-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-868-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-872-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-2547-0x0000000001F70000-0x00000000020F1000-memory.dmp

Filesize
1.5MB

Download
memory/1908-8691-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/1908-8692-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-811-0x0000000002100000-0x0000000002211000-memory.dmp

Filesize
1.1MB

Download
memory/1908-8709-0x0000000002DC0000-0x0000000002EB4000-memory.dmp

Filesize
976KB

Download
memory/1908-1-0x0000000075050000-0x0000000075097000-memory.dmp

Filesize
284KB

Download
memory/2296-11256-0x0000000001F10000-0x0000000002091000-memory.dmp

Filesize
1.5MB

Download
memory/2296-17396-0x00000000020A0000-0x00000000021B1000-memory.dmp

Filesize
1.1MB

Download
memory/2296-17401-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/2296-17410-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads