limerat | 39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe

Analysis

max time kernel
147s
max time network
151s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/01/2023, 21:30

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General

Target

39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe
Size

489KB
MD5

6b6219d4bdbe2afc7761374809bb6878
SHA1

d38dbfdd5e427de71b0879a02ba5f0fe2c2daf67
SHA256

39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe
SHA512

559c8a80cd12da4756480337397ae0bdbdd4085ff76dbeb7ba0873c257bd973073d3faabb02c18766fe77b3a551f5ee3fe3e5341e7ea619a70292315ad3f3d8d
SSDEEP

3072:yuk730Xshh+ED085419v6fECJ7Y8XWIMij70ozw+sJF3XY0PA:yT730jEYIK6fpJ7Y8HMK5K

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
IRj3SceatjDfweW/qMMw7g==
antivm
true
c2_url
https://pastebin.com/raw/Jpq3By4t
delay
3
download_payload
false
install
true
install_name
Audio Realtek Driver.exe
main_folder
AppData
pin_spread
false
sub_folder
\Audio Realtek Driver\
usb_spread
false

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1180	Audio Realtek Driver.exe
1376	Audio Realtek Driver.exe

Loads dropped DLL 2 IoCs

pid	Process
1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe
1180	Audio Realtek Driver.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1180 set thread context of 1376	1180	Audio Realtek Driver.exe	33

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

pid	Process
1912	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	Audio Realtek Driver.exe
Token: SeDebugPrivilege	1376	Audio Realtek Driver.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1944 wrote to memory of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1944 wrote to memory of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1944 wrote to memory of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1944 wrote to memory of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1944 wrote to memory of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1944 wrote to memory of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1944 wrote to memory of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1944 wrote to memory of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1944 wrote to memory of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1944 wrote to memory of 1484	1944	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	28
PID 1484 wrote to memory of 1912	1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	30
PID 1484 wrote to memory of 1912	1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	30
PID 1484 wrote to memory of 1912	1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	30
PID 1484 wrote to memory of 1912	1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	30
PID 1484 wrote to memory of 1180	1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	32
PID 1484 wrote to memory of 1180	1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	32
PID 1484 wrote to memory of 1180	1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	32
PID 1484 wrote to memory of 1180	1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	32
PID 1484 wrote to memory of 1180	1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	32
PID 1484 wrote to memory of 1180	1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	32
PID 1484 wrote to memory of 1180	1484	39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe	32
PID 1180 wrote to memory of 1376	1180	Audio Realtek Driver.exe	33
PID 1180 wrote to memory of 1376	1180	Audio Realtek Driver.exe	33
PID 1180 wrote to memory of 1376	1180	Audio Realtek Driver.exe	33
PID 1180 wrote to memory of 1376	1180	Audio Realtek Driver.exe	33
PID 1180 wrote to memory of 1376	1180	Audio Realtek Driver.exe	33
PID 1180 wrote to memory of 1376	1180	Audio Realtek Driver.exe	33
PID 1180 wrote to memory of 1376	1180	Audio Realtek Driver.exe	33
PID 1180 wrote to memory of 1376	1180	Audio Realtek Driver.exe	33
PID 1180 wrote to memory of 1376	1180	Audio Realtek Driver.exe	33
PID 1180 wrote to memory of 1376	1180	Audio Realtek Driver.exe	33
PID 1180 wrote to memory of 1376	1180	Audio Realtek Driver.exe	33

C:\Users\Admin\AppData\Local\Temp\39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe
"C:\Users\Admin\AppData\Local\Temp\39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe
  "C:\Users\Admin\AppData\Local\Temp\39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1484
- - 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'"
    3⤵
    - Creates scheduled task(s)
    PID:1912
- - C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe
    "C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1180
  - - C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe
      "C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:1376

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Web Service

T1102

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

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

Filesize
489KB

MD5
6b6219d4bdbe2afc7761374809bb6878

SHA1
d38dbfdd5e427de71b0879a02ba5f0fe2c2daf67

SHA256
39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe

SHA512
559c8a80cd12da4756480337397ae0bdbdd4085ff76dbeb7ba0873c257bd973073d3faabb02c18766fe77b3a551f5ee3fe3e5341e7ea619a70292315ad3f3d8d

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

Filesize
489KB

MD5
6b6219d4bdbe2afc7761374809bb6878

SHA1
d38dbfdd5e427de71b0879a02ba5f0fe2c2daf67

SHA256
39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe

SHA512
559c8a80cd12da4756480337397ae0bdbdd4085ff76dbeb7ba0873c257bd973073d3faabb02c18766fe77b3a551f5ee3fe3e5341e7ea619a70292315ad3f3d8d

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

Filesize
489KB

MD5
6b6219d4bdbe2afc7761374809bb6878

SHA1
d38dbfdd5e427de71b0879a02ba5f0fe2c2daf67

SHA256
39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe

SHA512
559c8a80cd12da4756480337397ae0bdbdd4085ff76dbeb7ba0873c257bd973073d3faabb02c18766fe77b3a551f5ee3fe3e5341e7ea619a70292315ad3f3d8d

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

Filesize
489KB

MD5
6b6219d4bdbe2afc7761374809bb6878

SHA1
d38dbfdd5e427de71b0879a02ba5f0fe2c2daf67

SHA256
39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe

SHA512
559c8a80cd12da4756480337397ae0bdbdd4085ff76dbeb7ba0873c257bd973073d3faabb02c18766fe77b3a551f5ee3fe3e5341e7ea619a70292315ad3f3d8d

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

Filesize
489KB

MD5
6b6219d4bdbe2afc7761374809bb6878

SHA1
d38dbfdd5e427de71b0879a02ba5f0fe2c2daf67

SHA256
39cf80b8b2f6267107baf94a021f6a59379d225b9ce839b367812eae8d3c8cfe

SHA512
559c8a80cd12da4756480337397ae0bdbdd4085ff76dbeb7ba0873c257bd973073d3faabb02c18766fe77b3a551f5ee3fe3e5341e7ea619a70292315ad3f3d8d

Download Submit
memory/1180-72-0x0000000000820000-0x00000000008A0000-memory.dmp

Filesize
512KB

Download
memory/1484-59-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1484-67-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1484-65-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1484-63-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1484-60-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1484-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1484-56-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1944-54-0x00000000000A0000-0x0000000000120000-memory.dmp

Filesize
512KB

Download
memory/1944-55-0x00000000003B0000-0x00000000003B8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads