fatalrat | e118e14e52a9fc203dc91df7ea00a8dd047379a56f9ddff0334cc16428f07d5e

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14-01-2024 03:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5a1bb777d4127a871626f9276771ecca.exe
Size

818KB
MD5

5a1bb777d4127a871626f9276771ecca
SHA1

727930ec9e050478e53a99bef15bc035a0404dff
SHA256

e118e14e52a9fc203dc91df7ea00a8dd047379a56f9ddff0334cc16428f07d5e
SHA512

bc478bce7a24f68c585f413f5b33d8cbbade33d1f1c2b9b2c28bde4d38c4536cc958a1912a9d0cbea320e24ebfe0a4a1587e084da6950004178584e3b60555c3
SSDEEP

12288:EVWZDtv7F0izVusS8Av3KAXcpy9Hh9B2d:qQDt48Av6ECydj+

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
behavioral1/memory/2660-2-0x0000000010000000-0x000000001002A000-memory.dmp	fatalrat

Executes dropped EXE 2 IoCs

pid	Process
2436	Jklmno.exe
2616	Jklmno.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\Jklmno.exe	5a1bb777d4127a871626f9276771ecca.exe
File opened for modification	C:\Windows\Jklmno.exe	5a1bb777d4127a871626f9276771ecca.exe
File opened for modification	C:\Windows\Jklmno.exe	Jklmno.exe
File created	C:\Windows\Jklmno.exe	Jklmno.exe

Modifies data under HKEY_USERS 16 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM	Jklmno.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	Jklmno.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows	Jklmno.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion	Jklmno.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies	Jklmno.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableLockWorkstation = "1"	Jklmno.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	Jklmno.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableLockWorkstation = "1"	Jklmno.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Jklmno Qrstuvwx\Group = "Fatal"	Jklmno.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Jklmno Qrstuvwx\InstallTime = "2024-01-14 03:03"	Jklmno.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	Jklmno.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet	Jklmno.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Jklmno Qrstuvwx	Jklmno.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	Jklmno.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Jklmno.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services	Jklmno.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	5a1bb777d4127a871626f9276771ecca.exe
Token: SeDebugPrivilege	2436	Jklmno.exe
Token: SeDebugPrivilege	2616	Jklmno.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2616	2436	Jklmno.exe	29
PID 2436 wrote to memory of 2616	2436	Jklmno.exe	29
PID 2436 wrote to memory of 2616	2436	Jklmno.exe	29
PID 2436 wrote to memory of 2616	2436	Jklmno.exe	29

C:\Users\Admin\AppData\Local\Temp\5a1bb777d4127a871626f9276771ecca.exe
"C:\Users\Admin\AppData\Local\Temp\5a1bb777d4127a871626f9276771ecca.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2660

C:\Windows\Jklmno.exe
C:\Windows\Jklmno.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\Jklmno.exe
  C:\Windows\Jklmno.exe Win7
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:2616

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Public\Documents\SVP7.PNG

Filesize
152KB

MD5
b02e46db6e44bab74dccf4cfd14a1076

SHA1
295a06cc304356f7f9671c03fc858dc071e1f391

SHA256
24448f93ddeadd0d1c71f273e6a080f0f6200cc0c753f88efb06fced3c816ebf

SHA512
a53948cdef001502e0dc17c0ecf5331dfcff78c54b41d3a4bd11cbe73afe61a55339689d5192fcad7e7f2a805a7b8ada4fadd3b6e637738c589d5c91603e77b4

Download Submit
C:\Windows\Jklmno.exe

Filesize
818KB

MD5
5a1bb777d4127a871626f9276771ecca

SHA1
727930ec9e050478e53a99bef15bc035a0404dff

SHA256
e118e14e52a9fc203dc91df7ea00a8dd047379a56f9ddff0334cc16428f07d5e

SHA512
bc478bce7a24f68c585f413f5b33d8cbbade33d1f1c2b9b2c28bde4d38c4536cc958a1912a9d0cbea320e24ebfe0a4a1587e084da6950004178584e3b60555c3

Download Submit
memory/2660-2-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download