limerat | d1e23942effbdf831fb99ceb19495a5338fbcf2872a6782c58b184b4b2b33c4d

General

Target

7bec74560ef5bbe652f3630ffb333b7b.exe
Size

1.6MB
MD5

7bec74560ef5bbe652f3630ffb333b7b
SHA1

75985bc0077841d1be4369cdc2715662e6266811
SHA256

d1e23942effbdf831fb99ceb19495a5338fbcf2872a6782c58b184b4b2b33c4d
SHA512

22871bc2ef5100690bb356b9c30d9380b19934cf708c3d48727d60c8476147f1838af701b1dddb675d5330aac306501fc68642c5e6beaa97f57ff50ce529d526
SSDEEP

6144:r66IzOEQkI6VRkdzlaWt56cPziyrBC4AaibAL69:rbIzOEQkj8laWthvr84PXu9

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
nyancat
antivm
false
c2_url
https://pastebin.com/raw/upsAbbQq
delay
3
download_payload
false
install
true
install_name
File.exe
main_folder
AppData
pin_spread
false
sub_folder
\System\
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-1-5-21-4176143399-3250363947-192774652-1000\Control Panel\International\Geo\Nation	7bec74560ef5bbe652f3630ffb333b7b.exe

Executes dropped EXE 1 IoCs

pid	Process
1972	File.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).

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
3960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe
1972	File.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	File.exe
Token: SeDebugPrivilege	1972	File.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 3960	4508	7bec74560ef5bbe652f3630ffb333b7b.exe	87
PID 4508 wrote to memory of 3960	4508	7bec74560ef5bbe652f3630ffb333b7b.exe	87
PID 4508 wrote to memory of 3960	4508	7bec74560ef5bbe652f3630ffb333b7b.exe	87
PID 4508 wrote to memory of 1972	4508	7bec74560ef5bbe652f3630ffb333b7b.exe	89
PID 4508 wrote to memory of 1972	4508	7bec74560ef5bbe652f3630ffb333b7b.exe	89
PID 4508 wrote to memory of 1972	4508	7bec74560ef5bbe652f3630ffb333b7b.exe	89

C:\Users\Admin\AppData\Local\Temp\7bec74560ef5bbe652f3630ffb333b7b.exe
"C:\Users\Admin\AppData\Local\Temp\7bec74560ef5bbe652f3630ffb333b7b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\System\File.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:3960
- C:\Users\Admin\AppData\Roaming\System\File.exe
  "C:\Users\Admin\AppData\Roaming\System\File.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1972

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

Web Service

1

T1102

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\Roaming\System\File.exe

Filesize
1.6MB

MD5
7bec74560ef5bbe652f3630ffb333b7b

SHA1
75985bc0077841d1be4369cdc2715662e6266811

SHA256
d1e23942effbdf831fb99ceb19495a5338fbcf2872a6782c58b184b4b2b33c4d

SHA512
22871bc2ef5100690bb356b9c30d9380b19934cf708c3d48727d60c8476147f1838af701b1dddb675d5330aac306501fc68642c5e6beaa97f57ff50ce529d526

Download Submit
C:\Users\Admin\AppData\Roaming\System\File.exe

Filesize
1.6MB

MD5
7bec74560ef5bbe652f3630ffb333b7b

SHA1
75985bc0077841d1be4369cdc2715662e6266811

SHA256
d1e23942effbdf831fb99ceb19495a5338fbcf2872a6782c58b184b4b2b33c4d

SHA512
22871bc2ef5100690bb356b9c30d9380b19934cf708c3d48727d60c8476147f1838af701b1dddb675d5330aac306501fc68642c5e6beaa97f57ff50ce529d526

Download Submit
C:\Users\Admin\AppData\Roaming\System\File.exe

Filesize
1.6MB

MD5
7bec74560ef5bbe652f3630ffb333b7b

SHA1
75985bc0077841d1be4369cdc2715662e6266811

SHA256
d1e23942effbdf831fb99ceb19495a5338fbcf2872a6782c58b184b4b2b33c4d

SHA512
22871bc2ef5100690bb356b9c30d9380b19934cf708c3d48727d60c8476147f1838af701b1dddb675d5330aac306501fc68642c5e6beaa97f57ff50ce529d526

Download Submit
memory/1972-148-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/1972-150-0x0000000004FF0000-0x0000000005000000-memory.dmp

Filesize
64KB

Download
memory/1972-151-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/1972-152-0x0000000004FF0000-0x0000000005000000-memory.dmp

Filesize
64KB

Download
memory/4508-137-0x0000000005400000-0x0000000005410000-memory.dmp

Filesize
64KB

Download
memory/4508-138-0x0000000005EC0000-0x0000000006464000-memory.dmp

Filesize
5.6MB

Download
memory/4508-136-0x00000000052C0000-0x0000000005326000-memory.dmp

Filesize
408KB

Download
memory/4508-135-0x00000000051E0000-0x000000000527C000-memory.dmp

Filesize
624KB

Download
memory/4508-134-0x00000000006A0000-0x000000000083E000-memory.dmp

Filesize
1.6MB

Download
memory/4508-133-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/4508-149-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads