limerat | afd7b91be42e614fa8f3488f8cf2024b1a5b364c4b66c514fa86940b06c93515

General

Target

80aabd5337136686aefe2ff1e6da8d5a.exe
Size

563KB
MD5

80aabd5337136686aefe2ff1e6da8d5a
SHA1

a749d303f5a928cff0d66ac23a704b90837ea0f9
SHA256

afd7b91be42e614fa8f3488f8cf2024b1a5b364c4b66c514fa86940b06c93515
SHA512

5472e503c6e18297efcac3cb0b78dd1c4798f6d60695bf738aba8cfdf42902a2b9d5fb0bf35503750efd6a31ea1cb0144fa07f3f31aeaaee8bd492c0a501fe5a
SSDEEP

12288:6V6zPygCa+DZjF1/A/ZMvGTsv+wD1IRJ+ZN1JBCGoOdnq1T:c6zPXCa+DZj3/SOvPGkZ13ox

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

False

Attributes

aes_key
admin12345$
antivm
false
c2_url
https://pastebin.com/raw/dd1yrjpH
download_payload
false
install
false
install_name
settings.exe
main_folder
False
payload_url
True
pin_spread
false
sub_folder
True
usb_spread
false

Signatures

Contains code to disable Windows Defender 3 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral1/memory/2208-0-0x0000000000010000-0x00000000000A2000-memory.dmp	disable_win_def
behavioral1/memory/2696-10-0x0000000000810000-0x00000000008A2000-memory.dmp	disable_win_def
behavioral1/memory/2696-13-0x000000001B3A0000-0x000000001B420000-memory.dmp	disable_win_def

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

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\LinkM\desktop.ini	80aabd5337136686aefe2ff1e6da8d5a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\LinkM\desktop.ini	80aabd5337136686aefe2ff1e6da8d5a.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 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3064	schtasks.exe
2676	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2208	80aabd5337136686aefe2ff1e6da8d5a.exe
2208	80aabd5337136686aefe2ff1e6da8d5a.exe
2208	80aabd5337136686aefe2ff1e6da8d5a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	80aabd5337136686aefe2ff1e6da8d5a.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 3064	2208	80aabd5337136686aefe2ff1e6da8d5a.exe	29
PID 2208 wrote to memory of 3064	2208	80aabd5337136686aefe2ff1e6da8d5a.exe	29
PID 2208 wrote to memory of 3064	2208	80aabd5337136686aefe2ff1e6da8d5a.exe	29
PID 2208 wrote to memory of 2656	2208	80aabd5337136686aefe2ff1e6da8d5a.exe	34
PID 2208 wrote to memory of 2656	2208	80aabd5337136686aefe2ff1e6da8d5a.exe	34
PID 2208 wrote to memory of 2656	2208	80aabd5337136686aefe2ff1e6da8d5a.exe	34
PID 2656 wrote to memory of 2584	2656	cmd.exe	33
PID 2656 wrote to memory of 2584	2656	cmd.exe	33
PID 2656 wrote to memory of 2584	2656	cmd.exe	33
PID 2656 wrote to memory of 2576	2656	cmd.exe	32
PID 2656 wrote to memory of 2576	2656	cmd.exe	32
PID 2656 wrote to memory of 2576	2656	cmd.exe	32

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

Views/modifies file attributes 1 TTPs 4 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2500	attrib.exe
1988	attrib.exe
2576	attrib.exe
2584	attrib.exe

C:\Users\Admin\AppData\Local\Temp\80aabd5337136686aefe2ff1e6da8d5a.exe
"C:\Users\Admin\AppData\Local\Temp\80aabd5337136686aefe2ff1e6da8d5a.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\system32\schtasks.exe
  schtasks /create /f /sc MINUTE /mo 5 /RL LIMITED /tn UDMR /tr "'C:\ProgramData\Provisioning\settings.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:3064
- C:\Windows\system32\cmd.exe
  cmd /c attrib +H +S "C:\ProgramData\\Provisioning" & attrib +H +S "C:\ProgramData\\Provisioning\*" /S /D
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2656
- C:\ProgramData\Provisioning\settings.exe
  "C:\ProgramData\Provisioning\settings.exe"
  2⤵
  PID:2696
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc MINUTE /mo 5 /RL LIMITED /tn UDMR /tr "'C:\ProgramData\Provisioning\settings.exe'"
    3⤵
    - Creates scheduled task(s)
    PID:2676
- - C:\Windows\system32\cmd.exe
    cmd /c attrib +H +S "C:\ProgramData\\Provisioning" & attrib +H +S "C:\ProgramData\\Provisioning\*" /S /D
    3⤵
    PID:1848

C:\Windows\system32\attrib.exe
attrib +H +S "C:\ProgramData\\Provisioning\*" /S /D
1⤵
- Views/modifies file attributes
PID:2576

C:\Windows\system32\attrib.exe
attrib +H +S "C:\ProgramData\\Provisioning"
1⤵
- Views/modifies file attributes
PID:2584

C:\Windows\system32\attrib.exe
attrib +H +S "C:\ProgramData\\Provisioning\*" /S /D
1⤵
- Views/modifies file attributes
PID:2500

C:\Windows\system32\attrib.exe
attrib +H +S "C:\ProgramData\\Provisioning"
1⤵
- Views/modifies file attributes
PID:1988

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

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

memory/2208-0-0x0000000000010000-0x00000000000A2000-memory.dmp

Filesize
584KB

Download
memory/2208-1-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/2208-8-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/2208-6-0x000000001ACB0000-0x000000001AD30000-memory.dmp

Filesize
512KB

Download
memory/2696-10-0x0000000000810000-0x00000000008A2000-memory.dmp

Filesize
584KB

Download
memory/2696-9-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/2696-13-0x000000001B3A0000-0x000000001B420000-memory.dmp

Filesize
512KB

Download
memory/2696-50-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/2696-51-0x000000001B3A0000-0x000000001B420000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads