limerat | 55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54

General

Target

55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe
Size

28KB
MD5

5911bd4ce6a3041d3d0e106d2604cc78
SHA1

3402dc39379f9e2c6c09d7bd903a0ffd6dc087e7
SHA256

55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54
SHA512

ea7c81849b0d2077bbe3fe88f8e5eaeb093f83e00c90f0b9d5b96d26387a052ff7074ad8e6bbd2bce3fd3867994b54acb9df9dd206ad2015a953c7e213a48897
SSDEEP

384:QB+Sbj6NKEpS6xJAHdS/EqDiVBEZivDKNrCeJE3WNgBSqckfOybPSVJQro3lceTQ:epEY6xJwdPVBEZw45N1kf1bKZcj

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
ThVmYq3t6w9z$C&F
antivm
false
c2_url
https://pastebin.com/raw/cmpGkbQw
delay
3
download_payload
false
install
true
install_name
Wservices.exe
main_folder
AppData
pin_spread
false
sub_folder
\holidays\
usb_spread
true

Extracted

Family

limerat

Attributes

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

55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe

Executes dropped EXE 1 IoCs

Processes:

Wservices.exe

pid process

1784 Wservices.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

31 pastebin.com
32 pastebin.com
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

2068 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Wservices.exe

description pid process

Token: SeDebugPrivilege 1784 Wservices.exe
Token: SeDebugPrivilege 1784 Wservices.exe

pid	process
1784	Wservices.exe

flow	ioc
31	pastebin.com
32	pastebin.com

pid	process
2068	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1784	Wservices.exe
Token: SeDebugPrivilege	1784	Wservices.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe

description	pid	process	target process
PID 3772 wrote to memory of 2068	3772	55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe	schtasks.exe
PID 3772 wrote to memory of 2068	3772	55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe	schtasks.exe
PID 3772 wrote to memory of 2068	3772	55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe	schtasks.exe
PID 3772 wrote to memory of 1784	3772	55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe	Wservices.exe
PID 3772 wrote to memory of 1784	3772	55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe	Wservices.exe
PID 3772 wrote to memory of 1784	3772	55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe	Wservices.exe

C:\Users\Admin\AppData\Local\Temp\55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe
"C:\Users\Admin\AppData\Local\Temp\55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3772
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\holidays\Wservices.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:2068
- C:\Users\Admin\AppData\Roaming\holidays\Wservices.exe
  "C:\Users\Admin\AppData\Roaming\holidays\Wservices.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\holidays\Wservices.exe

Filesize
28KB

MD5
5911bd4ce6a3041d3d0e106d2604cc78

SHA1
3402dc39379f9e2c6c09d7bd903a0ffd6dc087e7

SHA256
55564e31ab4a90c6114dbae25ac6c55645d6af382fb5c5ac919572f0781b2f54

SHA512
ea7c81849b0d2077bbe3fe88f8e5eaeb093f83e00c90f0b9d5b96d26387a052ff7074ad8e6bbd2bce3fd3867994b54acb9df9dd206ad2015a953c7e213a48897

Download Submit
memory/1784-16-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/1784-17-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/1784-18-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/3772-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/3772-1-0x00000000008E0000-0x00000000008EC000-memory.dmp

Filesize
48KB

Download
memory/3772-2-0x00000000052C0000-0x000000000535C000-memory.dmp

Filesize
624KB

Download
memory/3772-3-0x0000000005360000-0x00000000053C6000-memory.dmp

Filesize
408KB

Download
memory/3772-4-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/3772-5-0x0000000005F30000-0x00000000064D4000-memory.dmp

Filesize
5.6MB

Download
memory/3772-15-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads