limerat | 112c139afbe6ea09fdf218be415277aee087b86e7d15b4a08015da2a27b0d3e7

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

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:

9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe

Executes dropped EXE 1 IoCs

Processes:

MSIbuilder.exe

pid process

4936 MSIbuilder.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service
T1102

Processes:

flow ioc

67 0.tcp.sa.ngrok.io
95 0.tcp.sa.ngrok.io
25 pastebin.com
26 pastebin.com
27 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

Processes:

schtasks.exe

pid process

3720 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MSIbuilder.exe

description pid process

Token: SeDebugPrivilege 4936 MSIbuilder.exe
Token: SeDebugPrivilege 4936 MSIbuilder.exe

pid	process
4936	MSIbuilder.exe

flow	ioc
67	0.tcp.sa.ngrok.io
95	0.tcp.sa.ngrok.io
25	pastebin.com
26	pastebin.com
27	0.tcp.sa.ngrok.io

pid	process
3720	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	4936	MSIbuilder.exe
Token: SeDebugPrivilege	4936	MSIbuilder.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe

description	pid	process	target process
PID 1612 wrote to memory of 3720	1612	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	schtasks.exe
PID 1612 wrote to memory of 3720	1612	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	schtasks.exe
PID 1612 wrote to memory of 3720	1612	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	schtasks.exe
PID 1612 wrote to memory of 4936	1612	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	MSIbuilder.exe
PID 1612 wrote to memory of 4936	1612	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	MSIbuilder.exe
PID 1612 wrote to memory of 4936	1612	9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe	MSIbuilder.exe

C:\Users\Admin\AppData\Local\Temp\9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe
"C:\Users\Admin\AppData\Local\Temp\9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1612

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:3720

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:4936

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Service Windows\MSIbuilder.exe
Filesize
28KB

MD5
8e1bb22b17551346730179e6616eb42e

SHA1
7d2482fd93f0824e4353522c68c0fd39af445fc0

SHA256
9bb9a1974de3b7ca8de3fd9afd7fb0f92d8f24c33b651584b2d7e2d0bd0da2fe

SHA512
ec3a09f32393ce91486342712e200d4d0e432f0df90a1e58dd8251281c5257372a31c50db1b5a3a0fb552fa179199d88359c07b63d6b896188dfe32cb5d18ee6

Download Submit
memory/1612-1-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/1612-0-0x00000000001C0000-0x00000000001CC000-memory.dmp

Filesize
48KB

Download
memory/1612-2-0x0000000004B70000-0x0000000004C0C000-memory.dmp

Filesize
624KB

Download
memory/1612-3-0x0000000004C60000-0x0000000004CC6000-memory.dmp

Filesize
408KB

Download
memory/1612-4-0x0000000004E20000-0x0000000004E30000-memory.dmp

Filesize
64KB

Download
memory/1612-5-0x0000000005960000-0x0000000005F04000-memory.dmp

Filesize
5.6MB

Download
memory/1612-15-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/4936-16-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/4936-17-0x0000000005240000-0x0000000005250000-memory.dmp

Filesize
64KB

Download
memory/4936-18-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/4936-19-0x0000000005240000-0x0000000005250000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads