limerat | 1ac44eda1cc529647ffc10722a39e11da7c0cc9cff19b773a3af07f4baf7d664

General

Target

051a8439814976290735c9b8159ff602.exe
Size

29KB
MD5

051a8439814976290735c9b8159ff602
SHA1

f317839ee7d3fbd9aeeda61aee79787093b1368f
SHA256

1ac44eda1cc529647ffc10722a39e11da7c0cc9cff19b773a3af07f4baf7d664
SHA512

739f7bc18816b45eec85e8955a8e64734cd12059b537ba57f66c78c0625b6bcea793d9fc39739684e4f2a666636b70c5dffb4d6712d536e86f73e2c89b42346d
SSDEEP

384:OB+Sbj6NKgpi6h/AHHkQXOqDttYLmHvDKNrCeJE3WNgURSBe3Qua0U7Hb+8CDIQ5:EpgI6h/wHhtYLmP45NZyY/MHtgiij

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

bc1q233hm2e03j09e5zy52zqzt0sh7temfq9h4t3cl

Attributes

aes_key
T3rr1f13r
antivm
false
c2_url
https://pastebin.com/raw/BhUB9EXY
delay
3
download_payload
false
install
true
install_name
scvhost.exe
main_folder
UserProfile
pin_spread
false
sub_folder
\scvhostLog\
usb_spread
false

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
800	scvhost.exe

Loads dropped DLL 2 IoCs

pid	Process
1384	051a8439814976290735c9b8159ff602.exe
1384	051a8439814976290735c9b8159ff602.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

pid	Process
1944	schtasks.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	scvhost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	scvhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	800	scvhost.exe
Token: SeDebugPrivilege	800	scvhost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 1944	1384	051a8439814976290735c9b8159ff602.exe	29
PID 1384 wrote to memory of 1944	1384	051a8439814976290735c9b8159ff602.exe	29
PID 1384 wrote to memory of 1944	1384	051a8439814976290735c9b8159ff602.exe	29
PID 1384 wrote to memory of 1944	1384	051a8439814976290735c9b8159ff602.exe	29
PID 1384 wrote to memory of 800	1384	051a8439814976290735c9b8159ff602.exe	31
PID 1384 wrote to memory of 800	1384	051a8439814976290735c9b8159ff602.exe	31
PID 1384 wrote to memory of 800	1384	051a8439814976290735c9b8159ff602.exe	31
PID 1384 wrote to memory of 800	1384	051a8439814976290735c9b8159ff602.exe	31

C:\Users\Admin\AppData\Local\Temp\051a8439814976290735c9b8159ff602.exe
"C:\Users\Admin\AppData\Local\Temp\051a8439814976290735c9b8159ff602.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\scvhostLog\scvhost.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:1944
- C:\Users\Admin\scvhostLog\scvhost.exe
  "C:\Users\Admin\scvhostLog\scvhost.exe"
  2⤵
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of AdjustPrivilegeToken
  PID:800

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

Install Root Certificate

Modify Registry

Web Service

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\scvhostLog\scvhost.exe

Filesize
29KB

MD5
051a8439814976290735c9b8159ff602

SHA1
f317839ee7d3fbd9aeeda61aee79787093b1368f

SHA256
1ac44eda1cc529647ffc10722a39e11da7c0cc9cff19b773a3af07f4baf7d664

SHA512
739f7bc18816b45eec85e8955a8e64734cd12059b537ba57f66c78c0625b6bcea793d9fc39739684e4f2a666636b70c5dffb4d6712d536e86f73e2c89b42346d

Download Submit
C:\Users\Admin\scvhostLog\scvhost.exe

Filesize
29KB

MD5
051a8439814976290735c9b8159ff602

SHA1
f317839ee7d3fbd9aeeda61aee79787093b1368f

SHA256
1ac44eda1cc529647ffc10722a39e11da7c0cc9cff19b773a3af07f4baf7d664

SHA512
739f7bc18816b45eec85e8955a8e64734cd12059b537ba57f66c78c0625b6bcea793d9fc39739684e4f2a666636b70c5dffb4d6712d536e86f73e2c89b42346d

Download Submit
\Users\Admin\scvhostLog\scvhost.exe

Filesize
29KB

MD5
051a8439814976290735c9b8159ff602

SHA1
f317839ee7d3fbd9aeeda61aee79787093b1368f

SHA256
1ac44eda1cc529647ffc10722a39e11da7c0cc9cff19b773a3af07f4baf7d664

SHA512
739f7bc18816b45eec85e8955a8e64734cd12059b537ba57f66c78c0625b6bcea793d9fc39739684e4f2a666636b70c5dffb4d6712d536e86f73e2c89b42346d

Download Submit
\Users\Admin\scvhostLog\scvhost.exe

Filesize
29KB

MD5
051a8439814976290735c9b8159ff602

SHA1
f317839ee7d3fbd9aeeda61aee79787093b1368f

SHA256
1ac44eda1cc529647ffc10722a39e11da7c0cc9cff19b773a3af07f4baf7d664

SHA512
739f7bc18816b45eec85e8955a8e64734cd12059b537ba57f66c78c0625b6bcea793d9fc39739684e4f2a666636b70c5dffb4d6712d536e86f73e2c89b42346d

Download Submit
memory/800-62-0x0000000000E30000-0x0000000000E3C000-memory.dmp

Filesize
48KB

Download
memory/1384-54-0x0000000000F90000-0x0000000000F9C000-memory.dmp

Filesize
48KB

Download
memory/1384-56-0x0000000076DC1000-0x0000000076DC3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads