limerat | 112c139afbe6ea09fdf218be415277aee087b86e7d15b4a08015da2a27b0d3e7

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-04-2024 17:39

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General

Target

9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe
Size

28KB
MD5

8e1bb22b17551346730179e6616eb42e
SHA1

7d2482fd93f0824e4353522c68c0fd39af445fc0
SHA256

9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe
SHA512

ec3a09f32393ce91486342712e200d4d0e432f0df90a1e58dd8251281c5257372a31c50db1b5a3a0fb552fa179199d88359c07b63d6b896188dfe32cb5d18ee6
SSDEEP

768:EpDU6F1w9pXlmjF845NonMfo3z3aNHm4j:Epb1w9pIphknMAuH5

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
Kronic
antivm
true
c2_url
https://pastebin.com/raw/jxx7yjgK
delay
3
download_payload
false
install
true
install_name
MSIbuilder.exe
main_folder
AppData
pin_spread
true
sub_folder
\Service Windows\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/jxx7yjgK
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

Executes dropped EXE 1 IoCs

pid	Process
2708	MSIbuilder.exe

Loads dropped DLL 2 IoCs

pid	Process
2088	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe
2088	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
4	pastebin.com
5	pastebin.com
6	0.tcp.sa.ngrok.io
20	0.tcp.sa.ngrok.io
30	0.tcp.sa.ngrok.io

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
2736	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	MSIbuilder.exe
Token: SeDebugPrivilege	2708	MSIbuilder.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2736	2088	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	29
PID 2088 wrote to memory of 2736	2088	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	29
PID 2088 wrote to memory of 2736	2088	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	29
PID 2088 wrote to memory of 2736	2088	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	29
PID 2088 wrote to memory of 2708	2088	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	31
PID 2088 wrote to memory of 2708	2088	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	31
PID 2088 wrote to memory of 2708	2088	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	31
PID 2088 wrote to memory of 2708	2088	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	31

C:\Users\Admin\AppData\Local\Temp\9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe
"C:\Users\Admin\AppData\Local\Temp\9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Service Windows\MSIbuilder.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:2736
- C:\Users\Admin\AppData\Roaming\Service Windows\MSIbuilder.exe
  "C:\Users\Admin\AppData\Roaming\Service Windows\MSIbuilder.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\Service Windows\MSIbuilder.exe

Filesize
28KB

MD5
8e1bb22b17551346730179e6616eb42e

SHA1
7d2482fd93f0824e4353522c68c0fd39af445fc0

SHA256
9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe

SHA512
ec3a09f32393ce91486342712e200d4d0e432f0df90a1e58dd8251281c5257372a31c50db1b5a3a0fb552fa179199d88359c07b63d6b896188dfe32cb5d18ee6

Download Submit
memory/2088-0-0x0000000000060000-0x000000000006C000-memory.dmp

Filesize
48KB

Download
memory/2088-1-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2088-3-0x0000000004C50000-0x0000000004C90000-memory.dmp

Filesize
256KB

Download
memory/2088-15-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-14-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-13-0x0000000001250000-0x000000000125C000-memory.dmp

Filesize
48KB

Download
memory/2708-16-0x0000000004D60000-0x0000000004DA0000-memory.dmp

Filesize
256KB

Download
memory/2708-17-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads