fatalrat | c18b16e062fb0af0bb9d4ab468d153b69a52942fed0087d8fd488a0b927a361a

General

Target

c18b16e062fb0af0bb9d4ab468d153b69a52942fed0087d8fd488a0b927a361a.exe
Size

379KB
MD5

42ef42cd023d2db3c094249ec63fbd99
SHA1

b0a410c4c64ec0455fa64355ee4c673ac07c3081
SHA256

c18b16e062fb0af0bb9d4ab468d153b69a52942fed0087d8fd488a0b927a361a
SHA512

8e60a394c5556d80673977e15851d23c5480523f4efacf81b4178a0cafd43a257b4c5888e3c8a46816ccbb4ef852a0a2d9f41d6bf8f677c9fdc44a52293f9816
SSDEEP

6144:u+4ITiKmawBUniLDGpcRbqipUdaXrMjOBvB37WNkGkYpFP41Ftcg74LlgNk+Ilal:u+4P2wDGpcRbOda7MjW53CNTdpa1zUlv

Score

10^/10

fatalrat discovery 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 1 IoCs

rat infostealer

Processes:

resource	yara_rule
behavioral1/memory/2944-75-0x0000000000300000-0x000000000032A000-memory.dmp	fatalrat

Executes dropped EXE 1 IoCs

Processes:

SBSBVBa.exe

pid process

2944 SBSBVBa.exe
Loads dropped DLL 1 IoCs

Processes:

SBSBVBa.exe

pid process

2944 SBSBVBa.exe
Drops file in System32 directory 1 IoCs

Processes:

SBSBVBa.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\SBSBVBa.exe SBSBVBa.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

SBSBVBa.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SBSBVBa.exe

pid	process
2944	SBSBVBa.exe

pid	process
2944	SBSBVBa.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\SBSBVBa.exe	SBSBVBa.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SBSBVBa.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

Processes:

SBSBVBa.exe

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

Suspicious behavior: EnumeratesProcesses 53 IoCs

Processes:

c18b16e062fb0af0bb9d4ab468d153b69a52942fed0087d8fd488a0b927a361a.exeSBSBVBa.exe

pid	process
1476	c18b16e062fb0af0bb9d4ab468d153b69a52942fed0087d8fd488a0b927a361a.exe
1476	c18b16e062fb0af0bb9d4ab468d153b69a52942fed0087d8fd488a0b927a361a.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe
2944	SBSBVBa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SBSBVBa.exe

description pid process

Token: SeDebugPrivilege 2944 SBSBVBa.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SBSBVBa.exe

pid process

2944 SBSBVBa.exe

description	pid	process
Token: SeDebugPrivilege	2944	SBSBVBa.exe

pid	process
2944	SBSBVBa.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 2952 wrote to memory of 2944	2952	taskeng.exe	SBSBVBa.exe
PID 2952 wrote to memory of 2944	2952	taskeng.exe	SBSBVBa.exe
PID 2952 wrote to memory of 2944	2952	taskeng.exe	SBSBVBa.exe
PID 2952 wrote to memory of 2944	2952	taskeng.exe	SBSBVBa.exe
PID 2952 wrote to memory of 2944	2952	taskeng.exe	SBSBVBa.exe
PID 2952 wrote to memory of 2944	2952	taskeng.exe	SBSBVBa.exe
PID 2952 wrote to memory of 2944	2952	taskeng.exe	SBSBVBa.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\c18b16e062fb0af0bb9d4ab468d153b69a52942fed0087d8fd488a0b927a361a.exe
"C:\Users\Admin\AppData\Local\Temp\c18b16e062fb0af0bb9d4ab468d153b69a52942fed0087d8fd488a0b927a361a.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:1476

C:\Windows\system32\taskeng.exe
taskeng.exe {AB7C8CCB-2D19-451F-AE0C-4195D010439D} S-1-5-21-2172136094-3310281978-782691160-1000:EXCFTDUU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2952
- C:\ProgramData\8SBRBR\SBSBVBa.exe
  C:\ProgramData\8SBRBR\SBSBVBa.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\8SBRBR\SBSBVBa.exe

Filesize
65KB

MD5
9948fb3376da6f0b1901f359dc706f69

SHA1
91924e511c3918ecc76683390e53d6a2968e17ff

SHA256
6114cbd3b89aa0e1c061b2b5c38913b43093b8287340e40d49f764e1f7bc6e1f

SHA512
382c8487af872ebc7eeb9cd07e3ea979a4ed4f7d2947916b1ed7131c5f0d220604cfb4f6cf898c02b88d0facde51d5b3cae1dcc6420eaa0b04748e48650693bf

Download Submit
C:\ProgramData\8SBRBR\longlq.cl

Filesize
1.0MB

MD5
93e64abcdd4d337ecb72595b472da3f5

SHA1
6e98f60aeaefa20263cd1005e64fe4db40203997

SHA256
db4055a7e6e90975346e777a3a751f30563bd0fe1c9ea562785d2906e46097c5

SHA512
f5b5948951fbe5a0cdabaf8d35406a8f9d452d4f0a47cb4de2f4272bc653bd1164fb115fe8558545cdc36893e36a3463a96fc7091658cf87425e2d16aa7ee76c

Download Submit
C:\Users\Admin\AppData\Roaming\P9P8S\7Q6Q.exe

Filesize
142KB

MD5
bbaea75e78b80434b7cd699749b93a97

SHA1
c7d151758cb88dee39dbb5f4cd30e7d226980dde

SHA256
c9a1c52f5f5c8deef76b8e989c6a377f00061fa369cbd1cee7f53f8f03295f5c

SHA512
7f41846d61452c73566554ba5f6ef356e757ff4c292ad68bbcc1b84f736c02c6b0bc52e13270e5d7be4cde743d40cfc281028d4a0e322fbeecd9b786d08bac3d

Download Submit
C:\Users\Admin\AppData\Roaming\P9P8S\Microsoft\Windows\Start Menu\Programs\startup\website_secure_lnk.lnk

Filesize
756B

MD5
2b56c602c169c790d50a8bf4963a12ba

SHA1
b2d7aa62c9a930e4c449a923c04af870f33f9a29

SHA256
869f451e5905c9b486ca9fe2a36fae4d3429eb95cbdcc2b390158d06c1ab5f7b

SHA512
91406eb55757999d90463fa8f3a20bf5948751618ae673d635fcd02fa333b5e1131bdb1b17cf2082955414f7e881a6bdcd2f0494a57218bb68043e1a1f56b42a

Download Submit
C:\Users\Public\RBRAR2

Filesize
3.3MB

MD5
8516c251cc84c68317e8b7b7e934b583

SHA1
e9f91703ddeaa3b7b5cb16658f200df59b995d2d

SHA256
54b61b516f187924816b116ba53fafa11d140708d0f7c815954c621a464e6a82

SHA512
92243478f5948cdc2f49ac70013a49e100080890d5ff3260d9afa388546bc962368bacc7c855cf356bf00e1730010f7ab6743f41328f128138c64b8ff27377e3

Download Submit
\ProgramData\8SBRBR\LLSRPC.dll

Filesize
4.0MB

MD5
99cfb22d825354570755757262ca4df3

SHA1
7ed8df785e31deb941d50ea6dab8a6811e511492

SHA256
64e6cbdd788bbd36116588e5742a01547b4224c3fc1f804cf9203cb701625408

SHA512
9623ce1bd5da201e3fc8d14802c6a54ed0464c4508491e23b113680d773b7a67a7705aa8157e25b2d33a9a70e4b99d889b074f2c50db00c8a51fd68f67dd2718

Download Submit
memory/1476-42-0x0000000000410000-0x0000000000460000-memory.dmp

Filesize
320KB

Download
memory/1476-1-0x0000000180000000-0x00000001802CC000-memory.dmp

Filesize
2.8MB

Download
memory/1476-65-0x0000000000410000-0x0000000000460000-memory.dmp

Filesize
320KB

Download
memory/1476-0-0x0000000000410000-0x0000000000460000-memory.dmp

Filesize
320KB

Download
memory/1476-5-0x0000000003AD0000-0x0000000003D91000-memory.dmp

Filesize
2.8MB

Download
memory/2944-71-0x00000000001B0000-0x00000000001E1000-memory.dmp

Filesize
196KB

Download
memory/2944-75-0x0000000000300000-0x000000000032A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads