limerat | 7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd

Analysis

max time kernel
213s
max time network
289s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 19:23

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General

Target

7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe
Size

788KB
MD5

ccbd4702039d93625bb570203cf02e82
SHA1

2f7ffe46081765f24c9ec249535968f6b2dad2f2
SHA256

7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd
SHA512

80e7c5572f1feb44ef2b3f7265a2d03b3bfe89bcbbcfcf666bc7d627912d2fd8c59909dda805288e0570846662433a693f3ad577370ec3027bdd2d7c21c2540f
SSDEEP

6144:M+rw37ApOBEbdRjeijEfU3XYfu+xYFeHxms6lCZ6TF2GNgCnpGlbLG6faG5rzfFR:ELnjf4utUIMGlnGeaPXBhg

Score

10^/10

limerat rat

Malware Config

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:

7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
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
4736	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe

description	pid	Process
Token: SeDebugPrivilege	3532	7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe
Token: SeDebugPrivilege	3532	7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe

description	pid	Process	procid_target
PID 3532 wrote to memory of 4736	3532	7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe	79
PID 3532 wrote to memory of 4736	3532	7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe	79
PID 3532 wrote to memory of 4736	3532	7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe	79

C:\Users\Admin\AppData\Local\Temp\7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe
"C:\Users\Admin\AppData\Local\Temp\7ad16b89dca2eb27739b917c6c5bbc36d79d9569a894f885b24123798a4e23dd.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\Audio Realtek \Audio Realtek Driver.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:4736

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3532-132-0x0000000000590000-0x000000000065A000-memory.dmp

Filesize
808KB

Download
memory/3532-133-0x0000000004E90000-0x0000000004F2C000-memory.dmp

Filesize
624KB

Download
memory/3532-134-0x0000000004F80000-0x0000000004FE6000-memory.dmp

Filesize
408KB

Download
memory/3532-135-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/4736-136-0x0000000000000000-mapping.dmp

Download