limerat | ad59f7a299e7839f81f04f037be2234da036c58b2f6ed2a9c9cb109f3d18705b

General

Target

5e150a45eeb9215dee33da8f9e6c6ae9.dll
Size

1.1MB
MD5

5e150a45eeb9215dee33da8f9e6c6ae9
SHA1

d05a8c383051ffacb104856b58eeda123bb70695
SHA256

ad59f7a299e7839f81f04f037be2234da036c58b2f6ed2a9c9cb109f3d18705b
SHA512

78cd3ac83eadb0431399f4fd0a8e68e2b7af1747323281d04b6c0dfa0bf6eb318df977ff75c1514de1c623fa43d67fffa9981f4c581533d6cb8aa75afd4e9906
SSDEEP

24576:JQfzEWuougTY5sC1Mp7vHyecNLWlGNxTRQY:qzTuuYp1G/yecNLWIxTR

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

1LLUV51XQKqq94X965Cc6uGPXeZEGSqCdV

Attributes

aes_key
NYANCAT
antivm
false
c2_url
https://pastebin.com/raw/4pByu6u5
delay
3
download_payload
false
install
false
install_name
Wservices.exe
main_folder
AppData
pin_spread
false
sub_folder
\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/4pByu6u5
download_payload
false
install
false
pin_spread
false
usb_spread
false

Signatures

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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	035.exe

Executes dropped EXE 4 IoCs

pid	Process
4060	035.exe
2152	035.exe
2672	035.exe
4160	035.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 2816 set thread context of 4060	2816	rundll32.exe	89
PID 4060 set thread context of 4160	4060	035.exe	102

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

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/Job

T1053

pid	Process
3816	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4060	035.exe
4060	035.exe
4060	035.exe
4060	035.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4060	035.exe
Token: SeDebugPrivilege	4160	035.exe
Token: SeDebugPrivilege	4160	035.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 932 wrote to memory of 2816	932	rundll32.exe	78
PID 932 wrote to memory of 2816	932	rundll32.exe	78
PID 932 wrote to memory of 2816	932	rundll32.exe	78
PID 2816 wrote to memory of 4060	2816	rundll32.exe	89
PID 2816 wrote to memory of 4060	2816	rundll32.exe	89
PID 2816 wrote to memory of 4060	2816	rundll32.exe	89
PID 2816 wrote to memory of 4060	2816	rundll32.exe	89
PID 2816 wrote to memory of 4060	2816	rundll32.exe	89
PID 2816 wrote to memory of 4060	2816	rundll32.exe	89
PID 2816 wrote to memory of 4060	2816	rundll32.exe	89
PID 2816 wrote to memory of 4060	2816	rundll32.exe	89
PID 4060 wrote to memory of 3816	4060	035.exe	98
PID 4060 wrote to memory of 3816	4060	035.exe	98
PID 4060 wrote to memory of 3816	4060	035.exe	98
PID 4060 wrote to memory of 2152	4060	035.exe	100
PID 4060 wrote to memory of 2152	4060	035.exe	100
PID 4060 wrote to memory of 2152	4060	035.exe	100
PID 4060 wrote to memory of 2672	4060	035.exe	101
PID 4060 wrote to memory of 2672	4060	035.exe	101
PID 4060 wrote to memory of 2672	4060	035.exe	101
PID 4060 wrote to memory of 4160	4060	035.exe	102
PID 4060 wrote to memory of 4160	4060	035.exe	102
PID 4060 wrote to memory of 4160	4060	035.exe	102
PID 4060 wrote to memory of 4160	4060	035.exe	102
PID 4060 wrote to memory of 4160	4060	035.exe	102
PID 4060 wrote to memory of 4160	4060	035.exe	102
PID 4060 wrote to memory of 4160	4060	035.exe	102

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e150a45eeb9215dee33da8f9e6c6ae9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e150a45eeb9215dee33da8f9e6c6ae9.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Users\Admin\AppData\Local\Temp\035.exe
    "035.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4060
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KzSuNlCQoYKnH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp362E.tmp"
      4⤵
      Creates scheduled task(s)
      PID:3816
  - - C:\Users\Admin\AppData\Local\Temp\035.exe
      "C:\Users\Admin\AppData\Local\Temp\035.exe"
      4⤵
      Executes dropped EXE
      PID:2152
  - - C:\Users\Admin\AppData\Local\Temp\035.exe
      "C:\Users\Admin\AppData\Local\Temp\035.exe"
      4⤵
      Executes dropped EXE
      PID:2672
  - - C:\Users\Admin\AppData\Local\Temp\035.exe
      "C:\Users\Admin\AppData\Local\Temp\035.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:4160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\035.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\035.exe

Filesize
5KB

MD5
62d2761bd5c33184f5f394b8a5232af6

SHA1
ae8f31dad61e272b84048dc896318982e619a901

SHA256
cb722390fb9e87f12974af6f8a5c458b46335631adb9e486fc3bdb012d9188a4

SHA512
f938e757eb84b782e5428261651809727011882f440816353c2f6239671391e5306ccd9cf6e77954d3bedb100e3e3005a5d3b72700a2eca9c4ee00dfe6672f6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp362E.tmp

Filesize
1KB

MD5
40789395cec61edfe6de169a987aabba

SHA1
1889d967de421b05517f595ee27acbb782c65f58

SHA256
c38503bd79a81041c8766e9026a2a94c31e142ba44f0c88598bb79ee115ee754

SHA512
9ee84e0cb33ff7ac4486def0ab7d8f522a39df6c36d84a58310ea679c4bb0afad5dc981b42bd30d22a760a2231541cc2f48b5e58fe8da1b7389cecb59a7dd228

Download Submit
memory/4060-13-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/4060-15-0x0000000006C50000-0x0000000006CD6000-memory.dmp

Filesize
536KB

Download
memory/4060-7-0x0000000005930000-0x0000000005ED4000-memory.dmp

Filesize
5.6MB

Download
memory/4060-9-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/4060-11-0x0000000005660000-0x00000000056B6000-memory.dmp

Filesize
344KB

Download
memory/4060-10-0x0000000005400000-0x000000000540A000-memory.dmp

Filesize
40KB

Download
memory/4060-12-0x0000000005730000-0x0000000005746000-memory.dmp

Filesize
88KB

Download
memory/4060-5-0x00000000052D0000-0x000000000536C000-memory.dmp

Filesize
624KB

Download
memory/4060-14-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/4060-8-0x0000000005420000-0x00000000054B2000-memory.dmp

Filesize
584KB

Download
memory/4060-16-0x0000000009230000-0x000000000927A000-memory.dmp

Filesize
296KB

Download
memory/4060-6-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/4060-29-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/4060-2-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4160-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4160-28-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/4160-31-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/4160-30-0x00000000057C0000-0x0000000005826000-memory.dmp

Filesize
408KB

Download
memory/4160-32-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/4160-33-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads