limerat | 56a2d4ec33c944d9b53fada5711fc2f126178c215e334e37cc63f2d8e66a410f

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
12-05-2024 14:09

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General

Target

3a82723189d647fbddd8cd873db092f2_JaffaCakes118.exe
Size

28KB
MD5

3a82723189d647fbddd8cd873db092f2
SHA1

5bc7c36acbc90174c3d36ae08144d4fe196f770c
SHA256

56a2d4ec33c944d9b53fada5711fc2f126178c215e334e37cc63f2d8e66a410f
SHA512

e1c229f922a90e3384fbdf2d0c95163bf7b3e816dbc77524a49db89bdc836d6f1de53c1a9328b0091ce3cb7bc91378ac8eaeade27d82bde32d5dbd5a8acadcc3
SSDEEP

768:qp8O6PTwdSxya2645NXnG4NnTUhNBSKYj:qpMTwdK72TrlF4S5

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
onecraft
antivm
true
c2_url
https://pastebin.com/raw/1YzdX58S
delay
3
download_payload
false
install
true
install_name
MicrosoftSpeech.exe
main_folder
UserProfile
pin_spread
false
sub_folder
\MicrosoftSpeech\
usb_spread
false

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/1YzdX58S
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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	3a82723189d647fbddd8cd873db092f2_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
5116	MicrosoftSpeech.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
29	pastebin.com
27	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

pid	Process
1236	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5116	MicrosoftSpeech.exe
Token: SeDebugPrivilege	5116	MicrosoftSpeech.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 1236	3084	3a82723189d647fbddd8cd873db092f2_JaffaCakes118.exe	93
PID 3084 wrote to memory of 1236	3084	3a82723189d647fbddd8cd873db092f2_JaffaCakes118.exe	93
PID 3084 wrote to memory of 1236	3084	3a82723189d647fbddd8cd873db092f2_JaffaCakes118.exe	93
PID 3084 wrote to memory of 5116	3084	3a82723189d647fbddd8cd873db092f2_JaffaCakes118.exe	95
PID 3084 wrote to memory of 5116	3084	3a82723189d647fbddd8cd873db092f2_JaffaCakes118.exe	95
PID 3084 wrote to memory of 5116	3084	3a82723189d647fbddd8cd873db092f2_JaffaCakes118.exe	95

C:\Users\Admin\AppData\Local\Temp\3a82723189d647fbddd8cd873db092f2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a82723189d647fbddd8cd873db092f2_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\MicrosoftSpeech\MicrosoftSpeech.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:1236
- C:\Users\Admin\MicrosoftSpeech\MicrosoftSpeech.exe
  "C:\Users\Admin\MicrosoftSpeech\MicrosoftSpeech.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:5116

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\MicrosoftSpeech\MicrosoftSpeech.exe

Filesize
28KB

MD5
3a82723189d647fbddd8cd873db092f2

SHA1
5bc7c36acbc90174c3d36ae08144d4fe196f770c

SHA256
56a2d4ec33c944d9b53fada5711fc2f126178c215e334e37cc63f2d8e66a410f

SHA512
e1c229f922a90e3384fbdf2d0c95163bf7b3e816dbc77524a49db89bdc836d6f1de53c1a9328b0091ce3cb7bc91378ac8eaeade27d82bde32d5dbd5a8acadcc3

Download Submit
memory/3084-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/3084-1-0x00000000007C0000-0x00000000007CC000-memory.dmp

Filesize
48KB

Download
memory/3084-2-0x0000000005010000-0x00000000050AC000-memory.dmp

Filesize
624KB

Download
memory/3084-3-0x00000000050E0000-0x0000000005146000-memory.dmp

Filesize
408KB

Download
memory/3084-4-0x0000000074E10000-0x00000000755C0000-memory.dmp

Filesize
7.7MB

Download
memory/3084-5-0x0000000005E30000-0x00000000063D4000-memory.dmp

Filesize
5.6MB

Download
memory/3084-16-0x0000000074E10000-0x00000000755C0000-memory.dmp

Filesize
7.7MB

Download
memory/5116-15-0x0000000074E10000-0x00000000755C0000-memory.dmp

Filesize
7.7MB

Download
memory/5116-17-0x0000000074E10000-0x00000000755C0000-memory.dmp

Filesize
7.7MB

Download
memory/5116-18-0x0000000074E10000-0x00000000755C0000-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