limerat | b40b35a8c561d796e8a538011d8958b6e1c47bae5facdbfefb1c6e46d7124ff7

General

Target

954971e1c8396ce56c5d464452875100N.exe
Size

472KB
MD5

954971e1c8396ce56c5d464452875100
SHA1

86d2397020879e121f593f00643be26868400fab
SHA256

b40b35a8c561d796e8a538011d8958b6e1c47bae5facdbfefb1c6e46d7124ff7
SHA512

e2ebd1e33dd47bfbf74fbf05aa1ed69998a2a6136eb894ce0fcb6005f7b6748bf5229c0395d846d58ebc247587732bd0f228d411049a79f2299f9aef9b3fa258
SSDEEP

12288:O8Tq6SC6h4pLz/EEezAClaFvg5o/Yoqki2ToKI2pFd3/FmkR2iN/2iN7f:zzJCAOfghb1J1

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
1177
antivm
false
c2_url
https://pastebin.com/raw/aFY6pbYR
delay
3
download_payload
false
install
true
install_name
serviice.exe
main_folder
AppData
pin_spread
false
sub_folder
\
usb_spread
false

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3024	serviice.exe

Loads dropped DLL 6 IoCs

pid	Process
1328	954971e1c8396ce56c5d464452875100N.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2160	3024	WerFault.exe	34

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	954971e1c8396ce56c5d464452875100N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	serviice.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2804	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	serviice.exe
Token: SeDebugPrivilege	3024	serviice.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 2804	1328	954971e1c8396ce56c5d464452875100N.exe	32
PID 1328 wrote to memory of 2804	1328	954971e1c8396ce56c5d464452875100N.exe	32
PID 1328 wrote to memory of 2804	1328	954971e1c8396ce56c5d464452875100N.exe	32
PID 1328 wrote to memory of 2804	1328	954971e1c8396ce56c5d464452875100N.exe	32
PID 1328 wrote to memory of 3024	1328	954971e1c8396ce56c5d464452875100N.exe	34
PID 1328 wrote to memory of 3024	1328	954971e1c8396ce56c5d464452875100N.exe	34
PID 1328 wrote to memory of 3024	1328	954971e1c8396ce56c5d464452875100N.exe	34
PID 1328 wrote to memory of 3024	1328	954971e1c8396ce56c5d464452875100N.exe	34
PID 3024 wrote to memory of 2160	3024	serviice.exe	35
PID 3024 wrote to memory of 2160	3024	serviice.exe	35
PID 3024 wrote to memory of 2160	3024	serviice.exe	35
PID 3024 wrote to memory of 2160	3024	serviice.exe	35

C:\Users\Admin\AppData\Local\Temp\954971e1c8396ce56c5d464452875100N.exe
"C:\Users\Admin\AppData\Local\Temp\954971e1c8396ce56c5d464452875100N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1328
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\serviice.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2804
- C:\Users\Admin\AppData\Roaming\serviice.exe
  "C:\Users\Admin\AppData\Roaming\serviice.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 888
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\serviice.exe

Filesize
472KB

MD5
954971e1c8396ce56c5d464452875100

SHA1
86d2397020879e121f593f00643be26868400fab

SHA256
b40b35a8c561d796e8a538011d8958b6e1c47bae5facdbfefb1c6e46d7124ff7

SHA512
e2ebd1e33dd47bfbf74fbf05aa1ed69998a2a6136eb894ce0fcb6005f7b6748bf5229c0395d846d58ebc247587732bd0f228d411049a79f2299f9aef9b3fa258

Download Submit
memory/1328-0-0x000000007410E000-0x000000007410F000-memory.dmp

Filesize
4KB

Download
memory/1328-1-0x0000000001150000-0x00000000011CC000-memory.dmp

Filesize
496KB

Download
memory/1328-2-0x00000000002F0000-0x0000000000316000-memory.dmp

Filesize
152KB

Download
memory/1328-5-0x0000000074100000-0x00000000747EE000-memory.dmp

Filesize
6.9MB

Download
memory/1328-11-0x0000000074100000-0x00000000747EE000-memory.dmp

Filesize
6.9MB

Download
memory/3024-13-0x0000000000DC0000-0x0000000000E3C000-memory.dmp

Filesize
496KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads