fatalrat | b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8

General

Target

b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe
Size

371KB
MD5

1bfd40f5323dc3059b6d149eef3b7da1
SHA1

251eea4432cbae0a913d5c87b40da661ace19ea7
SHA256

b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8
SHA512

12fbdeac3259640ecfcb08b0b5ccac725494c4289864db8bcf747c17cac9f01a25509ef881f90a3cb5b8fd4beea568f77715bc673bdf1ca758c5c05131f39bb3
SSDEEP

3072:Ad5LZseWDzoPZ6WS6BLfvgaSlpcD+05fLM/HjCRofsn+49KHVstgXDBaQdd7Gu/0:ASzkPDNGEfY/HVfsnneV6coQDnqDas

Score

10^/10

fatalrat infostealer rat vmprotect

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
behavioral1/memory/2316-2-0x0000000010000000-0x000000001002A000-memory.dmp	fatalrat
behavioral1/memory/2316-17-0x0000000000400000-0x000000000045B000-memory.dmp	fatalrat
behavioral1/memory/2384-20-0x0000000010000000-0x000000001002A000-memory.dmp	fatalrat
behavioral1/memory/2384-25-0x0000000000400000-0x000000000045B000-memory.dmp	fatalrat

Executes dropped EXE 1 IoCs

pid	Process
2384	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe

Loads dropped DLL 2 IoCs

pid	Process
2316	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe
2316	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe

VMProtect packed file 6 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2316-0-0x0000000000400000-0x000000000045B000-memory.dmp	vmprotect
behavioral1/memory/2316-1-0x0000000000400000-0x000000000045B000-memory.dmp	vmprotect
behavioral1/files/0x000d0000000122fa-10.dat	vmprotect
behavioral1/memory/2316-17-0x0000000000400000-0x000000000045B000-memory.dmp	vmprotect
behavioral1/memory/2384-19-0x0000000000400000-0x000000000045B000-memory.dmp	vmprotect
behavioral1/memory/2384-25-0x0000000000400000-0x000000000045B000-memory.dmp	vmprotect

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2316	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe
2384	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.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	2316	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe
Token: SeDebugPrivilege	2384	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2316	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe
2384	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2384	2316	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe	28
PID 2316 wrote to memory of 2384	2316	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe	28
PID 2316 wrote to memory of 2384	2316	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe	28
PID 2316 wrote to memory of 2384	2316	b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe	28

C:\Users\Admin\AppData\Local\Temp\b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe
"C:\Users\Admin\AppData\Local\Temp\b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe
  "C:\Users\Admin\AppData\Local\b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8.exe

Filesize
371KB

MD5
1bfd40f5323dc3059b6d149eef3b7da1

SHA1
251eea4432cbae0a913d5c87b40da661ace19ea7

SHA256
b0674d01d33b06ebd927e23527952977c1d401599f770897b4e0e5d351c8eed8

SHA512
12fbdeac3259640ecfcb08b0b5ccac725494c4289864db8bcf747c17cac9f01a25509ef881f90a3cb5b8fd4beea568f77715bc673bdf1ca758c5c05131f39bb3

Download Submit
memory/2316-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2316-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2316-2-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/2316-17-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2316-16-0x0000000002A70000-0x0000000002ACB000-memory.dmp

Filesize
364KB

Download
memory/2384-19-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2384-20-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/2384-25-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download

Analysis

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