limerat | 138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d

General

Target

138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe
Size

457KB
MD5

9898a1c7622bf2e37309b7ecab5d9302
SHA1

c2281997d0ea971f1a03853a4bb4e05325308c75
SHA256

138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d
SHA512

9aa1d7b229be678a170b3442aa240ab5e8d5f0fb3207e91e87b884bb4be4f5c91e6a8b2e2973e310fcf0c3a3c612e498794cd0997d0f39f7565eedbcb51891a9
SSDEEP

3072:SkhoVXmqoxZLC9ezeAMkeBA401kfKAgbrEjXjzqspXiLFy5yuqX8czHQroD/ThJ5:53pC9eP1kngXGjzq6iL+ksiQSLhJ

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
992	Audio Realtek Driver.exe

Loads dropped DLL 2 IoCs

Processes:

138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe

pid	Process
1952	138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe
1952	138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.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
860	schtasks.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

Audio Realtek Driver.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	Audio Realtek Driver.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	Audio Realtek Driver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exeAudio Realtek Driver.exe

description	pid	Process
Token: SeDebugPrivilege	1952	138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe
Token: SeDebugPrivilege	992	Audio Realtek Driver.exe
Token: SeDebugPrivilege	992	Audio Realtek Driver.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe

description	pid	Process	procid_target
PID 1952 wrote to memory of 860	1952	138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe	29
PID 1952 wrote to memory of 860	1952	138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe	29
PID 1952 wrote to memory of 860	1952	138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe	29
PID 1952 wrote to memory of 860	1952	138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe	29
PID 1952 wrote to memory of 992	1952	138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe	31
PID 1952 wrote to memory of 992	1952	138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe	31
PID 1952 wrote to memory of 992	1952	138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe	31
PID 1952 wrote to memory of 992	1952	138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe	31

C:\Users\Admin\AppData\Local\Temp\138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe
"C:\Users\Admin\AppData\Local\Temp\138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1952
- 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:860
- 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
  - Modifies system certificate store
  - Suspicious use of AdjustPrivilegeToken
  PID:992

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

Install Root Certificate

Modify Registry

Web Service

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
457KB

MD5
9898a1c7622bf2e37309b7ecab5d9302

SHA1
c2281997d0ea971f1a03853a4bb4e05325308c75

SHA256
138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d

SHA512
9aa1d7b229be678a170b3442aa240ab5e8d5f0fb3207e91e87b884bb4be4f5c91e6a8b2e2973e310fcf0c3a3c612e498794cd0997d0f39f7565eedbcb51891a9

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

Filesize
457KB

MD5
9898a1c7622bf2e37309b7ecab5d9302

SHA1
c2281997d0ea971f1a03853a4bb4e05325308c75

SHA256
138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d

SHA512
9aa1d7b229be678a170b3442aa240ab5e8d5f0fb3207e91e87b884bb4be4f5c91e6a8b2e2973e310fcf0c3a3c612e498794cd0997d0f39f7565eedbcb51891a9

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

Filesize
457KB

MD5
9898a1c7622bf2e37309b7ecab5d9302

SHA1
c2281997d0ea971f1a03853a4bb4e05325308c75

SHA256
138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d

SHA512
9aa1d7b229be678a170b3442aa240ab5e8d5f0fb3207e91e87b884bb4be4f5c91e6a8b2e2973e310fcf0c3a3c612e498794cd0997d0f39f7565eedbcb51891a9

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

Filesize
457KB

MD5
9898a1c7622bf2e37309b7ecab5d9302

SHA1
c2281997d0ea971f1a03853a4bb4e05325308c75

SHA256
138be80d2934a73273feef0972a696a756da665094e4202117919c5764ab9f6d

SHA512
9aa1d7b229be678a170b3442aa240ab5e8d5f0fb3207e91e87b884bb4be4f5c91e6a8b2e2973e310fcf0c3a3c612e498794cd0997d0f39f7565eedbcb51891a9

Download Submit
memory/860-55-0x0000000000000000-mapping.dmp

Download
memory/992-59-0x0000000000000000-mapping.dmp

Download
memory/992-62-0x0000000000F10000-0x0000000000F88000-memory.dmp

Filesize
480KB

Download
memory/1952-54-0x0000000000CD0000-0x0000000000D48000-memory.dmp

Filesize
480KB

Download
memory/1952-56-0x00000000758C1000-0x00000000758C3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads