fatalrat | 3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48

General

Target

3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe
Size

140KB
MD5

c1fb997efc802ab0e5e816fd2424208e
SHA1

9cf21aa59bc27be8bf797541a5e69bbfe97e4987
SHA256

3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48
SHA512

36ba246828345dbf92fa99229ec14979dbcedd3981d309e4d8bbf0b86087cd14f95299c5a844cd4c1db953511741e99e819c38e5e590a13c0b6c14aa48a1f300
SSDEEP

1536:Vua+BTv3tIO8MtM+/6jRVGIk1MgHjsPGYYwOda2CqqZOIgQJb0lfjtO+vbWL8xJb:Vn+htWMtf+7GZYGVA2QJgi8xJLDoU

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 1 IoCs

rat infostealer

resource	yara_rule
behavioral1/memory/1520-54-0x0000000010000000-0x000000001001C000-memory.dmp	fatalrat

Executes dropped EXE 1 IoCs

pid	Process
1048	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe

Loads dropped DLL 2 IoCs

pid	Process
1520	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe
1520	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe"	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe

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

System Information Discovery
T1082

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1520	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1520	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe
Token: SeDebugPrivilege	1048	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 1048	1520	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe	27
PID 1520 wrote to memory of 1048	1520	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe	27
PID 1520 wrote to memory of 1048	1520	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe	27
PID 1520 wrote to memory of 1048	1520	3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe	27

C:\Users\Admin\AppData\Local\Temp\3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe
"C:\Users\Admin\AppData\Local\Temp\3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe
  "C:\Users\Admin\AppData\Local\3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1048

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe

Filesize
140KB

MD5
c1fb997efc802ab0e5e816fd2424208e

SHA1
9cf21aa59bc27be8bf797541a5e69bbfe97e4987

SHA256
3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48

SHA512
36ba246828345dbf92fa99229ec14979dbcedd3981d309e4d8bbf0b86087cd14f95299c5a844cd4c1db953511741e99e819c38e5e590a13c0b6c14aa48a1f300

Download Submit
C:\Users\Admin\AppData\Local\3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe

Filesize
140KB

MD5
c1fb997efc802ab0e5e816fd2424208e

SHA1
9cf21aa59bc27be8bf797541a5e69bbfe97e4987

SHA256
3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48

SHA512
36ba246828345dbf92fa99229ec14979dbcedd3981d309e4d8bbf0b86087cd14f95299c5a844cd4c1db953511741e99e819c38e5e590a13c0b6c14aa48a1f300

Download Submit
\Users\Admin\AppData\Local\3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe

Filesize
140KB

MD5
c1fb997efc802ab0e5e816fd2424208e

SHA1
9cf21aa59bc27be8bf797541a5e69bbfe97e4987

SHA256
3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48

SHA512
36ba246828345dbf92fa99229ec14979dbcedd3981d309e4d8bbf0b86087cd14f95299c5a844cd4c1db953511741e99e819c38e5e590a13c0b6c14aa48a1f300

Download Submit
\Users\Admin\AppData\Local\3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48.exe

Filesize
140KB

MD5
c1fb997efc802ab0e5e816fd2424208e

SHA1
9cf21aa59bc27be8bf797541a5e69bbfe97e4987

SHA256
3ed3a370e63718d04b814d052a162b19a4f5f8eb0919524bfee658e41b337e48

SHA512
36ba246828345dbf92fa99229ec14979dbcedd3981d309e4d8bbf0b86087cd14f95299c5a844cd4c1db953511741e99e819c38e5e590a13c0b6c14aa48a1f300

Download Submit
memory/1520-54-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing