fatalrat | 5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9

Analysis

max time kernel
151s
max time network
143s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 15:33

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General

Target

5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9.exe
Size

4.6MB
MD5

bf7e11ba2252db0e6be3c31b137b12dc
SHA1

2ff198c59fe7be2c807816fa243e9c874f85b388
SHA256

5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9
SHA512

aa0493ba6ff5ebd4cfede6fa3fcb29cf00721b44acbd4eb5a65ef11a5e3930ea90aa8726790189f7866bbe4ed67ade81154a37a38063966f663d5d81050fc1ad
SSDEEP

49152:TbEp2+CVgtJO94vM0iTnDJJZk425V/zaBM3SbawwtlY6sKpETPub0J0lTuRjlH6H:TJnVivMba4aBN3SbAYbKpEq0WMRh

Score

10^/10

fatalrat evasion 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 19 IoCs

rat infostealer

resource	yara_rule
behavioral1/memory/1280-26-0x0000000000BE0000-0x0000000000C16000-memory.dmp	fatalrat
behavioral1/memory/1280-35-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/1280-36-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/1280-37-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/1280-38-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/1280-39-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/1280-40-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/1280-41-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/1280-42-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/1280-43-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/1280-44-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/1280-50-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/2720-54-0x00000000027A0000-0x00000000027D6000-memory.dmp	fatalrat
behavioral1/memory/2720-64-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/2720-65-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/2720-66-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/2720-67-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/2720-68-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat
behavioral1/memory/2720-69-0x0000000010000000-0x000000001020A000-memory.dmp	fatalrat

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Powermonster.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Powermonster.exe

Executes dropped EXE 2 IoCs

pid	Process
1280	Powermonster.exe
2720	Powermonster.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Wine	Powermonster.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Wine	Powermonster.exe

Loads dropped DLL 7 IoCs

pid	Process
1768	5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9.exe
1768	5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9.exe
1768	5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9.exe
1768	5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9.exe
1280	Powermonster.exe
1280	Powermonster.exe
2720	Powermonster.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-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxfile = "C:\\Users\\Admin\\AppData\\Local\\Powermonster.exe"	Powermonster.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1280	Powermonster.exe
2720	Powermonster.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1280	Powermonster.exe
1280	Powermonster.exe
2720	Powermonster.exe
2720	Powermonster.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1280	Powermonster.exe
Token: SeDebugPrivilege	2720	Powermonster.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 1280	1768	5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9.exe	28
PID 1768 wrote to memory of 1280	1768	5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9.exe	28
PID 1768 wrote to memory of 1280	1768	5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9.exe	28
PID 1768 wrote to memory of 1280	1768	5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9.exe	28
PID 1280 wrote to memory of 2720	1280	Powermonster.exe	31
PID 1280 wrote to memory of 2720	1280	Powermonster.exe	31
PID 1280 wrote to memory of 2720	1280	Powermonster.exe	31
PID 1280 wrote to memory of 2720	1280	Powermonster.exe	31

C:\Users\Admin\AppData\Local\Temp\5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9.exe
"C:\Users\Admin\AppData\Local\Temp\5726447d808719aaad889259c482641ae4583e8ac7e16de1688c00425f9935b9.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Public\Pictures\Powermonster.exe
  "C:\Users\Public\Pictures\Powermonster.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1280
- - C:\Users\Admin\AppData\Local\Powermonster.exe
    "C:\Users\Admin\AppData\Local\Powermonster.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2720

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

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Powermonster.exe

Filesize
2.5MB

MD5
842af33f5702fa99efd8f7b235f28fcc

SHA1
b841b71a4e39432f3a940ad841e74ea1686da6c9

SHA256
82ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209

SHA512
ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82

Download Submit
C:\Users\Admin\AppData\Local\libcurl.dll

Filesize
921KB

MD5
a004a9f3f3c13edd2b8461037c517426

SHA1
fbabddc6146174aaae84178e7cba580dbb4e7725

SHA256
8022c162b5766dd747300ccfb8efbf7421be57ff32be214438de3b9e818704b6

SHA512
4bb014deea3cf6b20638415255d91cfa03fa944113352d7ebd67d75807d892839c61adbf956d4e47f5777b4b1a327262d6cd870109ad7c8770700735e8e0f598

Download Submit
C:\Users\Public\Pictures\Powermonster.exe

Filesize
2.5MB

MD5
842af33f5702fa99efd8f7b235f28fcc

SHA1
b841b71a4e39432f3a940ad841e74ea1686da6c9

SHA256
82ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209

SHA512
ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82

Download Submit
C:\Users\Public\Pictures\Powermonster.exe

Filesize
2.5MB

MD5
842af33f5702fa99efd8f7b235f28fcc

SHA1
b841b71a4e39432f3a940ad841e74ea1686da6c9

SHA256
82ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209

SHA512
ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82

Download Submit
C:\Users\Public\Pictures\Powermonster.exe

Filesize
2.5MB

MD5
842af33f5702fa99efd8f7b235f28fcc

SHA1
b841b71a4e39432f3a940ad841e74ea1686da6c9

SHA256
82ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209

SHA512
ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82

Download Submit
C:\Users\Public\Pictures\libcurl.dll

Filesize
921KB

MD5
a004a9f3f3c13edd2b8461037c517426

SHA1
fbabddc6146174aaae84178e7cba580dbb4e7725

SHA256
8022c162b5766dd747300ccfb8efbf7421be57ff32be214438de3b9e818704b6

SHA512
4bb014deea3cf6b20638415255d91cfa03fa944113352d7ebd67d75807d892839c61adbf956d4e47f5777b4b1a327262d6cd870109ad7c8770700735e8e0f598

Download Submit
\Users\Admin\AppData\Local\Powermonster.exe

Filesize
2.5MB

MD5
842af33f5702fa99efd8f7b235f28fcc

SHA1
b841b71a4e39432f3a940ad841e74ea1686da6c9

SHA256
82ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209

SHA512
ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82

Download Submit
\Users\Admin\AppData\Local\libcurl.dll

Filesize
921KB

MD5
a004a9f3f3c13edd2b8461037c517426

SHA1
fbabddc6146174aaae84178e7cba580dbb4e7725

SHA256
8022c162b5766dd747300ccfb8efbf7421be57ff32be214438de3b9e818704b6

SHA512
4bb014deea3cf6b20638415255d91cfa03fa944113352d7ebd67d75807d892839c61adbf956d4e47f5777b4b1a327262d6cd870109ad7c8770700735e8e0f598

Download Submit
\Users\Public\Pictures\Powermonster.exe

Filesize
2.5MB

MD5
842af33f5702fa99efd8f7b235f28fcc

SHA1
b841b71a4e39432f3a940ad841e74ea1686da6c9

SHA256
82ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209

SHA512
ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82

Download Submit
\Users\Public\Pictures\Powermonster.exe

Filesize
2.5MB

MD5
842af33f5702fa99efd8f7b235f28fcc

SHA1
b841b71a4e39432f3a940ad841e74ea1686da6c9

SHA256
82ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209

SHA512
ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82

Download Submit
\Users\Public\Pictures\Powermonster.exe

Filesize
2.5MB

MD5
842af33f5702fa99efd8f7b235f28fcc

SHA1
b841b71a4e39432f3a940ad841e74ea1686da6c9

SHA256
82ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209

SHA512
ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82

Download Submit
\Users\Public\Pictures\Powermonster.exe

Filesize
2.5MB

MD5
842af33f5702fa99efd8f7b235f28fcc

SHA1
b841b71a4e39432f3a940ad841e74ea1686da6c9

SHA256
82ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209

SHA512
ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82

Download Submit
\Users\Public\Pictures\libcurl.dll

Filesize
921KB

MD5
a004a9f3f3c13edd2b8461037c517426

SHA1
fbabddc6146174aaae84178e7cba580dbb4e7725

SHA256
8022c162b5766dd747300ccfb8efbf7421be57ff32be214438de3b9e818704b6

SHA512
4bb014deea3cf6b20638415255d91cfa03fa944113352d7ebd67d75807d892839c61adbf956d4e47f5777b4b1a327262d6cd870109ad7c8770700735e8e0f598

Download Submit
memory/1280-39-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-50-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-26-0x0000000000BE0000-0x0000000000C16000-memory.dmp

Filesize
216KB

Download
memory/1280-29-0x00000000006A0000-0x00000000006B0000-memory.dmp

Filesize
64KB

Download
memory/1280-24-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1280-35-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-36-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-37-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-38-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-22-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/1280-40-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-41-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-42-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-43-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-44-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-23-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/1280-21-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/1280-25-0x0000000000470000-0x0000000000472000-memory.dmp

Filesize
8KB

Download
memory/1280-20-0x0000000077710000-0x0000000077712000-memory.dmp

Filesize
8KB

Download
memory/1280-19-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-63-0x0000000000A50000-0x0000000000A52000-memory.dmp

Filesize
8KB

Download
memory/2720-68-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-55-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-57-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/2720-59-0x00000000007B0000-0x00000000007B1000-memory.dmp

Filesize
4KB

Download
memory/2720-60-0x0000000000A80000-0x0000000000A90000-memory.dmp

Filesize
64KB

Download
memory/2720-64-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-53-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-54-0x00000000027A0000-0x00000000027D6000-memory.dmp

Filesize
216KB

Download
memory/2720-65-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-66-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-67-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download
memory/2720-61-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/2720-69-0x0000000010000000-0x000000001020A000-memory.dmp

Filesize
2.0MB

Download