fatalrat | 03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

General

Target

03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe
Size

2.0MB
MD5

9909b49705c7c8200b23883e8672dff6
SHA1

6324bf351f4f15965ec36f86ac2bd487a9418fa8
SHA256

03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055
SHA512

94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd
SSDEEP

49152:g//zv8eS+mresgoTHr3V296NnOEODnwR2/QqNmV1:ubUYmrrgoTHTI0NnOEODnwR2/QqNm

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 1 IoCs

rat infostealer

resource	yara_rule
behavioral1/memory/2452-61-0x00000000001D0000-0x00000000001FA000-memory.dmp	fatalrat

Executes dropped EXE 1 IoCs

pid	Process
2920	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

Loads dropped DLL 6 IoCs

pid	Process
2452	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe
2940	WerFault.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2940	2920	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2452	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe
2452	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe
2920	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe
2920	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2920	2452	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe	28
PID 2452 wrote to memory of 2920	2452	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe	28
PID 2452 wrote to memory of 2920	2452	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe	28
PID 2452 wrote to memory of 2920	2452	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe	28
PID 2920 wrote to memory of 2940	2920	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe	29
PID 2920 wrote to memory of 2940	2920	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe	29
PID 2920 wrote to memory of 2940	2920	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe	29
PID 2920 wrote to memory of 2940	2920	03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe	29

C:\Users\Admin\AppData\Local\Temp\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe
"C:\Users\Admin\AppData\Local\Temp\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe
  "C:\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 300
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

Filesize
2.0MB

MD5
9909b49705c7c8200b23883e8672dff6

SHA1
6324bf351f4f15965ec36f86ac2bd487a9418fa8

SHA256
03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

SHA512
94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

Download Submit
C:\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

Filesize
2.0MB

MD5
9909b49705c7c8200b23883e8672dff6

SHA1
6324bf351f4f15965ec36f86ac2bd487a9418fa8

SHA256
03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

SHA512
94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

Download Submit
\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

Filesize
2.0MB

MD5
9909b49705c7c8200b23883e8672dff6

SHA1
6324bf351f4f15965ec36f86ac2bd487a9418fa8

SHA256
03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

SHA512
94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

Download Submit
\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

Filesize
2.0MB

MD5
9909b49705c7c8200b23883e8672dff6

SHA1
6324bf351f4f15965ec36f86ac2bd487a9418fa8

SHA256
03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

SHA512
94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

Download Submit
\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

Filesize
2.0MB

MD5
9909b49705c7c8200b23883e8672dff6

SHA1
6324bf351f4f15965ec36f86ac2bd487a9418fa8

SHA256
03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

SHA512
94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

Download Submit
\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

Filesize
2.0MB

MD5
9909b49705c7c8200b23883e8672dff6

SHA1
6324bf351f4f15965ec36f86ac2bd487a9418fa8

SHA256
03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

SHA512
94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

Download Submit
\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

Filesize
2.0MB

MD5
9909b49705c7c8200b23883e8672dff6

SHA1
6324bf351f4f15965ec36f86ac2bd487a9418fa8

SHA256
03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

SHA512
94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

Download Submit
\Users\Admin\AppData\Local\03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055.exe

Filesize
2.0MB

MD5
9909b49705c7c8200b23883e8672dff6

SHA1
6324bf351f4f15965ec36f86ac2bd487a9418fa8

SHA256
03ce65c5611985641dac20a41225328db082b1def75bfdfe0690e3b7d99b9055

SHA512
94db7d2953665d4956c93eb3817208a24e614dd7d5187c6ed26803714f7647d56681d84e11eea52c4096bd85dcf95a37dbbe38625379322bf5a08649809996fd

Download Submit
memory/2452-61-0x00000000001D0000-0x00000000001FA000-memory.dmp

Filesize
168KB

Download
memory/2452-73-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2452-55-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2452-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2452-57-0x0000000010000000-0x0000000010031000-memory.dmp

Filesize
196KB

Download
memory/2452-56-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2920-75-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/2920-76-0x0000000000330000-0x0000000000368000-memory.dmp

Filesize
224KB

Download
memory/2920-82-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download

Analysis

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