fatalrat | 47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631

Analysis

max time kernel
144s
max time network
147s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
24-09-2023 02:01

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General

Target

47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe
Size

2.1MB
MD5

5fcbabd5a95705ff761a2b41b5971e67
SHA1

1ab7f5a42be348c9d3bc96f5d6805e70ac9888c0
SHA256

47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631
SHA512

23ec990521e8b4ceea5306735c309dd7d88663990883fcf364c0870aca110c62e594a36ed9cd8fcaf9da9006f99e190ee04ae2185c6a64638e3e93d657c2b708
SSDEEP

49152:JbEpdIgOGOaSOFl4KK5+pq1UvM0iTnDJJZk425V/zaBM3Sbawwtl/:JsjOTOI5U4UvMba4aBN3SbA/

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 20 IoCs

rat infostealer

resource	yara_rule
behavioral1/memory/1656-26-0x00000000008A0000-0x00000000008D6000-memory.dmp	fatalrat
behavioral1/memory/1656-35-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/1656-36-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/1656-37-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/1656-38-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/1656-39-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/1656-40-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/1656-41-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/1656-42-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/1656-43-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/1656-44-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/1656-50-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/2856-54-0x0000000000830000-0x0000000000866000-memory.dmp	fatalrat
behavioral1/memory/2856-65-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/2856-66-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/2856-67-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/2856-68-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/2856-69-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/2856-70-0x0000000010000000-0x0000000010202000-memory.dmp	fatalrat
behavioral1/memory/2856-71-0x0000000010000000-0x0000000010202000-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
1656	Powermonster.exe
2856	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-1-5-21-3513876443-2771975297-1923446376-1000\Software\Wine	Powermonster.exe
Key opened	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Wine	Powermonster.exe

Loads dropped DLL 7 IoCs

pid	Process
880	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe
880	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe
880	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe
880	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe
1656	Powermonster.exe
1656	Powermonster.exe
2856	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-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxfile = "C:\\Users\\Admin\\AppData\\Local\\Powermonster.exe"	Powermonster.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1656	Powermonster.exe
2856	Powermonster.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Powermonster.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Powermonster.exe

Suspicious behavior: EnumeratesProcesses 53 IoCs

pid	Process
1656	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe
2856	Powermonster.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1656	Powermonster.exe
Token: SeDebugPrivilege	2856	Powermonster.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 1656	880	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe	28
PID 880 wrote to memory of 1656	880	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe	28
PID 880 wrote to memory of 1656	880	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe	28
PID 880 wrote to memory of 1656	880	47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe	28
PID 1656 wrote to memory of 2856	1656	Powermonster.exe	31
PID 1656 wrote to memory of 2856	1656	Powermonster.exe	31
PID 1656 wrote to memory of 2856	1656	Powermonster.exe	31
PID 1656 wrote to memory of 2856	1656	Powermonster.exe	31

C:\Users\Admin\AppData\Local\Temp\47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe
"C:\Users\Admin\AppData\Local\Temp\47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:880
- 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:1656
- - 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
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2856

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\Powermonster.exe

Filesize
2.5MB

MD5
842af33f5702fa99efd8f7b235f28fcc

SHA1
b841b71a4e39432f3a940ad841e74ea1686da6c9

SHA256
82ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209

SHA512
ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82

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

Filesize
898KB

MD5
ed68b13846fa29395ac2957be995824d

SHA1
0ba78675aee81f5da503a23a1e7dfcd225771392

SHA256
b743061735e66db8e38c7af2f53580df5901c611f215b63223eac213d467e1e1

SHA512
d4384e6396adb18699c073c7090bd1948bb4c9d45437313c7607b9676182299edd74dba91486d806c413dec4c9f0a83441a460b47fc17190bd9e0c3040ffc3d8

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
898KB

MD5
ed68b13846fa29395ac2957be995824d

SHA1
0ba78675aee81f5da503a23a1e7dfcd225771392

SHA256
b743061735e66db8e38c7af2f53580df5901c611f215b63223eac213d467e1e1

SHA512
d4384e6396adb18699c073c7090bd1948bb4c9d45437313c7607b9676182299edd74dba91486d806c413dec4c9f0a83441a460b47fc17190bd9e0c3040ffc3d8

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
898KB

MD5
ed68b13846fa29395ac2957be995824d

SHA1
0ba78675aee81f5da503a23a1e7dfcd225771392

SHA256
b743061735e66db8e38c7af2f53580df5901c611f215b63223eac213d467e1e1

SHA512
d4384e6396adb18699c073c7090bd1948bb4c9d45437313c7607b9676182299edd74dba91486d806c413dec4c9f0a83441a460b47fc17190bd9e0c3040ffc3d8

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
898KB

MD5
ed68b13846fa29395ac2957be995824d

SHA1
0ba78675aee81f5da503a23a1e7dfcd225771392

SHA256
b743061735e66db8e38c7af2f53580df5901c611f215b63223eac213d467e1e1

SHA512
d4384e6396adb18699c073c7090bd1948bb4c9d45437313c7607b9676182299edd74dba91486d806c413dec4c9f0a83441a460b47fc17190bd9e0c3040ffc3d8

Download Submit
memory/1656-41-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-21-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-25-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/1656-29-0x0000000000320000-0x0000000000330000-memory.dmp

Filesize
64KB

Download
memory/1656-35-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-36-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-37-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-38-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-39-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-40-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-24-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1656-42-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-43-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-44-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-50-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/1656-23-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/1656-22-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1656-26-0x00000000008A0000-0x00000000008D6000-memory.dmp

Filesize
216KB

Download
memory/1656-20-0x0000000077DB0000-0x0000000077DB2000-memory.dmp

Filesize
8KB

Download
memory/1656-19-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/2856-60-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/2856-65-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/2856-56-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/2856-58-0x0000000000720000-0x0000000000722000-memory.dmp

Filesize
8KB

Download
memory/2856-61-0x00000000001F0000-0x0000000000200000-memory.dmp

Filesize
64KB

Download
memory/2856-62-0x00000000008C0000-0x00000000008C1000-memory.dmp

Filesize
4KB

Download
memory/2856-54-0x0000000000830000-0x0000000000866000-memory.dmp

Filesize
216KB

Download
memory/2856-53-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/2856-55-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/2856-66-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/2856-67-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/2856-68-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/2856-69-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/2856-70-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download
memory/2856-71-0x0000000010000000-0x0000000010202000-memory.dmp

Filesize
2.0MB

Download