limerat | 0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c

General

Target

0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe
Size

210KB
MD5

8d942fdce5d9d12bf87759617b7907c9
SHA1

34567a99255df31221e6361016d0138a4ed42fa8
SHA256

0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c
SHA512

f5147b8ffffd9a3a0fc7db2a4f6981b8fdb2ed18ec8f58e420c884e99e6f915681239b5cebadf3cb035210048c1aa71875978df744f6fde80bb777154bd399d3
SSDEEP

3072:Kuk730Xshh+ED085419v6fECJ7Y8XWIMij70ozw+sJF3XY0PN:KT730jEYIK6fpJ7Y8HMK5K

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

Processes:

Audio Realtek Driver.exeAudio Realtek Driver.exe

pid	Process
4688	Audio Realtek Driver.exe
392	Audio Realtek Driver.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 2 IoCs

Processes:

0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exeAudio Realtek Driver.exe

description	pid	Process	procid_target
PID 1872 set thread context of 3484	1872	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	80
PID 4688 set thread context of 392	4688	Audio Realtek Driver.exe	84

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
4900	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Audio Realtek Driver.exe

description	pid	Process
Token: SeDebugPrivilege	392	Audio Realtek Driver.exe
Token: SeDebugPrivilege	392	Audio Realtek Driver.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exeAudio Realtek Driver.exe

description	pid	Process	procid_target
PID 1872 wrote to memory of 3484	1872	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	80
PID 1872 wrote to memory of 3484	1872	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	80
PID 1872 wrote to memory of 3484	1872	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	80
PID 1872 wrote to memory of 3484	1872	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	80
PID 1872 wrote to memory of 3484	1872	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	80
PID 1872 wrote to memory of 3484	1872	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	80
PID 1872 wrote to memory of 3484	1872	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	80
PID 3484 wrote to memory of 4900	3484	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	81
PID 3484 wrote to memory of 4900	3484	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	81
PID 3484 wrote to memory of 4900	3484	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	81
PID 3484 wrote to memory of 4688	3484	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	83
PID 3484 wrote to memory of 4688	3484	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	83
PID 3484 wrote to memory of 4688	3484	0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe	83
PID 4688 wrote to memory of 392	4688	Audio Realtek Driver.exe	84
PID 4688 wrote to memory of 392	4688	Audio Realtek Driver.exe	84
PID 4688 wrote to memory of 392	4688	Audio Realtek Driver.exe	84
PID 4688 wrote to memory of 392	4688	Audio Realtek Driver.exe	84
PID 4688 wrote to memory of 392	4688	Audio Realtek Driver.exe	84
PID 4688 wrote to memory of 392	4688	Audio Realtek Driver.exe	84
PID 4688 wrote to memory of 392	4688	Audio Realtek Driver.exe	84

C:\Users\Admin\AppData\Local\Temp\0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe
"C:\Users\Admin\AppData\Local\Temp\0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Users\Admin\AppData\Local\Temp\0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe
  "C:\Users\Admin\AppData\Local\Temp\0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3484
- - 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:4900
- - 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
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4688
  - - 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:392

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Audio Realtek Driver.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

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

Filesize
210KB

MD5
8d942fdce5d9d12bf87759617b7907c9

SHA1
34567a99255df31221e6361016d0138a4ed42fa8

SHA256
0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c

SHA512
f5147b8ffffd9a3a0fc7db2a4f6981b8fdb2ed18ec8f58e420c884e99e6f915681239b5cebadf3cb035210048c1aa71875978df744f6fde80bb777154bd399d3

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

Filesize
210KB

MD5
8d942fdce5d9d12bf87759617b7907c9

SHA1
34567a99255df31221e6361016d0138a4ed42fa8

SHA256
0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c

SHA512
f5147b8ffffd9a3a0fc7db2a4f6981b8fdb2ed18ec8f58e420c884e99e6f915681239b5cebadf3cb035210048c1aa71875978df744f6fde80bb777154bd399d3

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

Filesize
210KB

MD5
8d942fdce5d9d12bf87759617b7907c9

SHA1
34567a99255df31221e6361016d0138a4ed42fa8

SHA256
0a7fa5e8f7cef3cdceb3c887bcf006b14c9efa682e19afbab3f1041288a6146c

SHA512
f5147b8ffffd9a3a0fc7db2a4f6981b8fdb2ed18ec8f58e420c884e99e6f915681239b5cebadf3cb035210048c1aa71875978df744f6fde80bb777154bd399d3

Download Submit
memory/392-143-0x0000000000000000-mapping.dmp

Download
memory/1872-132-0x0000000000F10000-0x0000000000F4A000-memory.dmp

Filesize
232KB

Download
memory/3484-134-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3484-136-0x0000000005910000-0x00000000059AC000-memory.dmp

Filesize
624KB

Download
memory/3484-137-0x0000000005840000-0x00000000058A6000-memory.dmp

Filesize
408KB

Download
memory/3484-138-0x0000000006500000-0x0000000006AA4000-memory.dmp

Filesize
5.6MB

Download
memory/3484-133-0x0000000000000000-mapping.dmp

Download
memory/4688-140-0x0000000000000000-mapping.dmp

Download
memory/4900-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads