limerat | f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47

General

Target

f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe
Size

474KB
MD5

4cf98b24fc122a1bb1caba9a24b8ba2a
SHA1

ad3acaf230973173d8559e6052246c0abac095f1
SHA256

f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47
SHA512

e515bc6eadba5eeb2db58f4b0edce880c71b5e9a70786034548202d0ced11595b5a2cd12b3ef62ed67f3fcacf0dc903f9d4281987203a9fad367c53f4acdc341
SSDEEP

3072:glJnrm/FUBQk0BOW+wFRfOmh8MkWqdqTGNP4lIFwd6KeWvWhB5HSk:gTr0+BE+wFRzhVkWnaSPd6K6hB5R

Score

10^/10

limerat rat

Malware Config

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat

Executes dropped EXE 1 IoCs

Processes:

Audio Realtek Driver.exe

pid	Process
1556	Audio Realtek Driver.exe

Loads dropped DLL 1 IoCs

Processes:

f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe

pid	Process
1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

Processes:

schtasks.exe

pid	Process
1924	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exeAudio Realtek Driver.exe

description	pid	Process
Token: SeDebugPrivilege	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe
Token: SeDebugPrivilege	1556	Audio Realtek Driver.exe
Token: SeDebugPrivilege	1556	Audio Realtek Driver.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe

description	pid	Process	procid_target
PID 1124 wrote to memory of 1924	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe	28
PID 1124 wrote to memory of 1924	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe	28
PID 1124 wrote to memory of 1924	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe	28
PID 1124 wrote to memory of 1924	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe	28
PID 1124 wrote to memory of 1556	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe	30
PID 1124 wrote to memory of 1556	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe	30
PID 1124 wrote to memory of 1556	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe	30
PID 1124 wrote to memory of 1556	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe	30
PID 1124 wrote to memory of 1556	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe	30
PID 1124 wrote to memory of 1556	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe	30
PID 1124 wrote to memory of 1556	1124	f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe	30

C:\Users\Admin\AppData\Local\Temp\f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe
"C:\Users\Admin\AppData\Local\Temp\f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:1924
- C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe
  "C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1556

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Web Service

1

T1102

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
474KB

MD5
4cf98b24fc122a1bb1caba9a24b8ba2a

SHA1
ad3acaf230973173d8559e6052246c0abac095f1

SHA256
f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47

SHA512
e515bc6eadba5eeb2db58f4b0edce880c71b5e9a70786034548202d0ced11595b5a2cd12b3ef62ed67f3fcacf0dc903f9d4281987203a9fad367c53f4acdc341

Download Submit
C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
474KB

MD5
4cf98b24fc122a1bb1caba9a24b8ba2a

SHA1
ad3acaf230973173d8559e6052246c0abac095f1

SHA256
f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47

SHA512
e515bc6eadba5eeb2db58f4b0edce880c71b5e9a70786034548202d0ced11595b5a2cd12b3ef62ed67f3fcacf0dc903f9d4281987203a9fad367c53f4acdc341

Download Submit
\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

Filesize
474KB

MD5
4cf98b24fc122a1bb1caba9a24b8ba2a

SHA1
ad3acaf230973173d8559e6052246c0abac095f1

SHA256
f93b734b68aec7b56f109b66824e890f136ec3074054569da3564ae692bdba47

SHA512
e515bc6eadba5eeb2db58f4b0edce880c71b5e9a70786034548202d0ced11595b5a2cd12b3ef62ed67f3fcacf0dc903f9d4281987203a9fad367c53f4acdc341

Download Submit
memory/1124-54-0x00000000000F0000-0x000000000016C000-memory.dmp

Filesize
496KB

Download
memory/1124-56-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1556-58-0x0000000000000000-mapping.dmp

Download
memory/1556-61-0x0000000000150000-0x00000000001CC000-memory.dmp

Filesize
496KB

Download
memory/1924-55-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads