fatalrat | 707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 05:57

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General

Target

707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe
Size

400KB
MD5

055922cf1bf7cdeb358243e3b55e7529
SHA1

0f2dbe0f0804e5790d4603d0be29b693e498d91c
SHA256

707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b
SHA512

472c9f229bb9ae2b190fb250e261a8a5317ab547e03963604d2db6aee7a94da0f1181fb6a0020fa577b3e7c886e25473837e2e436544c4a97e0785fd856fd52a
SSDEEP

6144:r662RhOKPkaEejVaxQUajLrr1WhgSSvq4bHSVQg8Tyz:rPKqa5paCrb1WhYVSWyz

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 3 IoCs

rat infostealer

Processes:

resource	yara_rule
behavioral2/memory/320-1-0x0000000010000000-0x000000001002A000-memory.dmp	fatalrat
behavioral2/memory/320-16-0x0000000000400000-0x0000000000464000-memory.dmp	fatalrat
behavioral2/memory/1572-17-0x0000000000400000-0x0000000000464000-memory.dmp	fatalrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe

Executes dropped EXE 1 IoCs

Processes:

707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe

pid	Process
1572	707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral2/memory/320-0-0x0000000000400000-0x0000000000464000-memory.dmp	vmprotect
behavioral2/files/0x00070000000231fb-11.dat	vmprotect
behavioral2/memory/320-16-0x0000000000400000-0x0000000000464000-memory.dmp	vmprotect
behavioral2/memory/1572-17-0x0000000000400000-0x0000000000464000-memory.dmp	vmprotect

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe

pid	Process
320	707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe
1572	707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.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

Processes:

707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe

description	pid	Process
Token: SeDebugPrivilege	320	707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe
Token: SeDebugPrivilege	1572	707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe

description	pid	Process	procid_target
PID 320 wrote to memory of 1572	320	707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe	97
PID 320 wrote to memory of 1572	320	707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe	97
PID 320 wrote to memory of 1572	320	707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe	97

C:\Users\Admin\AppData\Local\Temp\707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe
"C:\Users\Admin\AppData\Local\Temp\707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe"
1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:320
- C:\Users\Admin\AppData\Local\707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe
  "C:\Users\Admin\AppData\Local\707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  PID:1572

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

C:\Users\Admin\AppData\Local\707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b.exe

Filesize
400KB

MD5
055922cf1bf7cdeb358243e3b55e7529

SHA1
0f2dbe0f0804e5790d4603d0be29b693e498d91c

SHA256
707bc3525aee3985767a7437dea86e1e6f6a658c640867e0c2fa9559f4d9713b

SHA512
472c9f229bb9ae2b190fb250e261a8a5317ab547e03963604d2db6aee7a94da0f1181fb6a0020fa577b3e7c886e25473837e2e436544c4a97e0785fd856fd52a

Download Submit
memory/320-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/320-1-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/320-16-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1572-17-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download