limerat | e19090ef03d3b2617e1409f23fc768d590f31859e53d9f60baa6d9109ecac6b3

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 21:48

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General

Target

ab9cdcc91e38013c926be73428f7d03b.exe
Size

97KB
MD5

ab9cdcc91e38013c926be73428f7d03b
SHA1

d2e5d604eec7b39aa844930264c13109f425e9f1
SHA256

e19090ef03d3b2617e1409f23fc768d590f31859e53d9f60baa6d9109ecac6b3
SHA512

ac46ae3320074ad34b01ef96787199c9be88bcffc90d9da14dc5104026c2356851a4b6ecde90ae5eea8037a46476862f44ead0c4f0a0c3691c760dcf836d5074
SSDEEP

1536:uZC69+uI2AwnGWPp6WnriJ460TBkfFBNRkb+9VpaPbMMkpSJwT1hFyX:uG2AWGC6aA0TBkNB3S+9VLZSJI1hFC

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/NzAFK8As
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	ab9cdcc91e38013c926be73428f7d03b.exe

Executes dropped EXE 1 IoCs

pid	Process
4848	WindowsServices.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/Job

T1053

pid	Process
3252	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4848	WindowsServices.exe
Token: SeDebugPrivilege	4848	WindowsServices.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 3252	4248	ab9cdcc91e38013c926be73428f7d03b.exe	95
PID 4248 wrote to memory of 3252	4248	ab9cdcc91e38013c926be73428f7d03b.exe	95
PID 4248 wrote to memory of 3252	4248	ab9cdcc91e38013c926be73428f7d03b.exe	95
PID 4248 wrote to memory of 4848	4248	ab9cdcc91e38013c926be73428f7d03b.exe	96
PID 4248 wrote to memory of 4848	4248	ab9cdcc91e38013c926be73428f7d03b.exe	96
PID 4248 wrote to memory of 4848	4248	ab9cdcc91e38013c926be73428f7d03b.exe	96

C:\Users\Admin\AppData\Local\Temp\ab9cdcc91e38013c926be73428f7d03b.exe
"C:\Users\Admin\AppData\Local\Temp\ab9cdcc91e38013c926be73428f7d03b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\Sys\WindowsServices.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:3252
- C:\Users\Admin\Sys\WindowsServices.exe
  "C:\Users\Admin\Sys\WindowsServices.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\Sys\WindowsServices.exe

Filesize
97KB

MD5
ab9cdcc91e38013c926be73428f7d03b

SHA1
d2e5d604eec7b39aa844930264c13109f425e9f1

SHA256
e19090ef03d3b2617e1409f23fc768d590f31859e53d9f60baa6d9109ecac6b3

SHA512
ac46ae3320074ad34b01ef96787199c9be88bcffc90d9da14dc5104026c2356851a4b6ecde90ae5eea8037a46476862f44ead0c4f0a0c3691c760dcf836d5074

Download Submit
memory/4248-1-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4248-0-0x0000000000B50000-0x0000000000B6E000-memory.dmp

Filesize
120KB

Download
memory/4248-2-0x0000000005580000-0x0000000005590000-memory.dmp

Filesize
64KB

Download
memory/4248-3-0x0000000005440000-0x0000000005446000-memory.dmp

Filesize
24KB

Download
memory/4248-4-0x0000000005840000-0x00000000058DC000-memory.dmp

Filesize
624KB

Download
memory/4248-5-0x0000000005590000-0x00000000055F6000-memory.dmp

Filesize
408KB

Download
memory/4248-6-0x0000000006490000-0x0000000006A34000-memory.dmp

Filesize
5.6MB

Download
memory/4248-16-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4848-18-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

Filesize
64KB

Download
memory/4848-17-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4848-19-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads