fatalrat | 765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7

Analysis

max time kernel
158s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2023 19:04

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General

Target

765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
Size

1.4MB
MD5

8c0bf864084a36599c18441a3a970c0f
SHA1

e42898dcd37993b2116a3dbbf95dc4c11ef10aa8
SHA256

765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7
SHA512

32f40d8b82f1cb2406255c6e59d33bbaeb192d7d6492e444f379b1fb2dd14ca776d88d5023229ce948050b5b65f77f02d05166e8e575ba155cf92fbe0e41ad34
SSDEEP

24576:QUDTJcZN/784qWjcKknk7PLMQ4q8CKKnnaul94jAu/F8FwyA89vSzJJSYUvpKOO+:33JcH/78mOuC6zlaAu2FIPzHSYUvQOO+

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 5 IoCs

rat infostealer

resource	yara_rule
behavioral2/memory/3192-13076-0x0000000010000000-0x000000001002A000-memory.dmp	fatalrat
behavioral2/memory/3192-14194-0x0000000000400000-0x00000000005DF000-memory.dmp	fatalrat
behavioral2/memory/3192-26170-0x0000000000400000-0x00000000005DF000-memory.dmp	fatalrat
behavioral2/memory/1768-32999-0x0000000000400000-0x00000000005DF000-memory.dmp	fatalrat
behavioral2/memory/892-39255-0x0000000000400000-0x00000000005DF000-memory.dmp	fatalrat

Executes dropped EXE 2 IoCs

pid	Process
1768	Svwxya.exe
892	Svwxya.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 57 IoCs

pid	Process
3192	765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
3192	765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
3192	765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
3192	765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
3192	765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
3192	765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
3192	765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
3192	765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
1768	Svwxya.exe
1768	Svwxya.exe
1768	Svwxya.exe
1768	Svwxya.exe
1768	Svwxya.exe
1768	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe
1768	Svwxya.exe
892	Svwxya.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AppPatch\Svwxya.exe	765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
File opened for modification	C:\Program Files (x86)\AppPatch\Svwxya.exe	765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
File opened for modification	C:\Program Files (x86)\AppPatch\Svwxya.exe	Svwxya.exe
File created	C:\Program Files (x86)\AppPatch\Svwxya.exe	Svwxya.exe

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	Svwxya.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Svwxya.exe

Modifies data under HKEY_USERS 21 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableLockWorkstation = "1"	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Services\Stuvwx Abcdefgh	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Stuvwx Abcdefgh	Svwxya.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7"	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Svwxya.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableLockWorkstation = "1"	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	Svwxya.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Stuvwx Abcdefgh\InstallTime = "2023-11-22 19:06"	Svwxya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies	Svwxya.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Services\Stuvwx Abcdefgh\Group = "Fatal"	Svwxya.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe
892	Svwxya.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3192	765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
Token: SeDebugPrivilege	1768	Svwxya.exe
Token: SeDebugPrivilege	892	Svwxya.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 892	1768	Svwxya.exe	98
PID 1768 wrote to memory of 892	1768	Svwxya.exe	98
PID 1768 wrote to memory of 892	1768	Svwxya.exe	98

C:\Users\Admin\AppData\Local\Temp\765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe
"C:\Users\Admin\AppData\Local\Temp\765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:3192

C:\Program Files (x86)\AppPatch\Svwxya.exe
"C:\Program Files (x86)\AppPatch\Svwxya.exe"
1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Program Files (x86)\AppPatch\Svwxya.exe
  "C:\Program Files (x86)\AppPatch\Svwxya.exe" Win7
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Program Files directory
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:892

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:\Program Files (x86)\AppPatch\Svwxya.exe

Filesize
1.4MB

MD5
8c0bf864084a36599c18441a3a970c0f

SHA1
e42898dcd37993b2116a3dbbf95dc4c11ef10aa8

SHA256
765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7

SHA512
32f40d8b82f1cb2406255c6e59d33bbaeb192d7d6492e444f379b1fb2dd14ca776d88d5023229ce948050b5b65f77f02d05166e8e575ba155cf92fbe0e41ad34

Download Submit
C:\Program Files (x86)\AppPatch\Svwxya.exe

Filesize
1.4MB

MD5
8c0bf864084a36599c18441a3a970c0f

SHA1
e42898dcd37993b2116a3dbbf95dc4c11ef10aa8

SHA256
765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7

SHA512
32f40d8b82f1cb2406255c6e59d33bbaeb192d7d6492e444f379b1fb2dd14ca776d88d5023229ce948050b5b65f77f02d05166e8e575ba155cf92fbe0e41ad34

Download Submit
C:\Program Files (x86)\AppPatch\Svwxya.exe

Filesize
1.4MB

MD5
8c0bf864084a36599c18441a3a970c0f

SHA1
e42898dcd37993b2116a3dbbf95dc4c11ef10aa8

SHA256
765989b16541ced8e464097c54960fbedbb520875e34a630b45537c5d8937da7

SHA512
32f40d8b82f1cb2406255c6e59d33bbaeb192d7d6492e444f379b1fb2dd14ca776d88d5023229ce948050b5b65f77f02d05166e8e575ba155cf92fbe0e41ad34

Download Submit
memory/892-39241-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/892-39243-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/892-39242-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/892-39245-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/892-39240-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/892-32054-0x0000000077960000-0x00000000779DA000-memory.dmp

Filesize
488KB

Download
memory/892-30045-0x0000000076940000-0x0000000076AE0000-memory.dmp

Filesize
1.6MB

Download
memory/892-26171-0x0000000075C70000-0x0000000075E85000-memory.dmp

Filesize
2.1MB

Download
memory/892-39247-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/892-39255-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/1768-26157-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/1768-13085-0x0000000075C70000-0x0000000075E85000-memory.dmp

Filesize
2.1MB

Download
memory/1768-16960-0x0000000076940000-0x0000000076AE0000-memory.dmp

Filesize
1.6MB

Download
memory/1768-18970-0x0000000077960000-0x00000000779DA000-memory.dmp

Filesize
488KB

Download
memory/1768-26156-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/1768-32999-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/1768-26158-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/1768-26159-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/1768-26161-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/1768-26162-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/3192-26170-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/3192-14194-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/3192-13076-0x0000000010000000-0x000000001002A000-memory.dmp

Filesize
168KB

Download
memory/3192-13075-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/3192-13074-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/3192-0-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/3192-13072-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/3192-13071-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/3192-13070-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/3192-13069-0x0000000000400000-0x00000000005DF000-memory.dmp

Filesize
1.9MB

Download
memory/3192-5884-0x0000000077960000-0x00000000779DA000-memory.dmp

Filesize
488KB

Download
memory/3192-3875-0x0000000076940000-0x0000000076AE0000-memory.dmp

Filesize
1.6MB

Download
memory/3192-1-0x0000000075C70000-0x0000000075E85000-memory.dmp

Filesize
2.1MB

Download