limerat | 5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b

Analysis

max time kernel
163s
max time network
195s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 09:52

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General

Target

5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe
Size

240KB
MD5

eac5ebfd214de0cf3a5459b647a7b2d5
SHA1

52f62f6d725049d191f453328cdae3f1f7334ee6
SHA256

5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b
SHA512

3e2978f6df4b3f0251dee2a7e9939fce2344e0af1c02810c7fcd1d31b5484fd2b2dd7203eef87ab8d2f2d8e55a9d9549252c256680c17f866f0f5af7c12f602e
SSDEEP

3072:Ou9DMR90Afc/Fnzwm/I/1WNWnhXEi2/oLaiTnYL83ejgu3nypr/7RBk4adLCorxt:VW9lfKzGSJiDPAF1ERO7Lk

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
IRj3SceatjDfweW/qMMw7g==
antivm
true
c2_url
https://pastebin.com/raw/p8Be8nNX
delay
3
download_payload
false
install
true
install_name
Windows Update.exe
main_folder
UserProfile
pin_spread
false
sub_folder
\Windows\
usb_spread
false

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1000	Windows Update.exe
1232	Windows Update.exe

Loads dropped DLL 2 IoCs

pid	Process
1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe
1000	Windows Update.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1296 set thread context of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1000 set thread context of 1232	1000	Windows Update.exe	32

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

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

T1053

pid	Process
1344	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1232	Windows Update.exe
Token: SeDebugPrivilege	1232	Windows Update.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1296 wrote to memory of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1296 wrote to memory of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1296 wrote to memory of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1296 wrote to memory of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1296 wrote to memory of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1296 wrote to memory of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1296 wrote to memory of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1296 wrote to memory of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1296 wrote to memory of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1296 wrote to memory of 1280	1296	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	27
PID 1280 wrote to memory of 1344	1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	29
PID 1280 wrote to memory of 1344	1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	29
PID 1280 wrote to memory of 1344	1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	29
PID 1280 wrote to memory of 1344	1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	29
PID 1280 wrote to memory of 1000	1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	31
PID 1280 wrote to memory of 1000	1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	31
PID 1280 wrote to memory of 1000	1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	31
PID 1280 wrote to memory of 1000	1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	31
PID 1280 wrote to memory of 1000	1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	31
PID 1280 wrote to memory of 1000	1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	31
PID 1280 wrote to memory of 1000	1280	5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe	31
PID 1000 wrote to memory of 1232	1000	Windows Update.exe	32
PID 1000 wrote to memory of 1232	1000	Windows Update.exe	32
PID 1000 wrote to memory of 1232	1000	Windows Update.exe	32
PID 1000 wrote to memory of 1232	1000	Windows Update.exe	32
PID 1000 wrote to memory of 1232	1000	Windows Update.exe	32
PID 1000 wrote to memory of 1232	1000	Windows Update.exe	32
PID 1000 wrote to memory of 1232	1000	Windows Update.exe	32
PID 1000 wrote to memory of 1232	1000	Windows Update.exe	32
PID 1000 wrote to memory of 1232	1000	Windows Update.exe	32
PID 1000 wrote to memory of 1232	1000	Windows Update.exe	32
PID 1000 wrote to memory of 1232	1000	Windows Update.exe	32

C:\Users\Admin\AppData\Local\Temp\5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe
"C:\Users\Admin\AppData\Local\Temp\5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Users\Admin\AppData\Local\Temp\5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe
  "C:\Users\Admin\AppData\Local\Temp\5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1280
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\Windows\Windows Update.exe'"
    3⤵
    - Creates scheduled task(s)
    PID:1344
- - C:\Users\Admin\Windows\Windows Update.exe
    "C:\Users\Admin\Windows\Windows Update.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1000
  - - C:\Users\Admin\Windows\Windows Update.exe
      "C:\Users\Admin\Windows\Windows Update.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:1232

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Web Service

T1102

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\Windows\Windows Update.exe

Filesize
240KB

MD5
eac5ebfd214de0cf3a5459b647a7b2d5

SHA1
52f62f6d725049d191f453328cdae3f1f7334ee6

SHA256
5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b

SHA512
3e2978f6df4b3f0251dee2a7e9939fce2344e0af1c02810c7fcd1d31b5484fd2b2dd7203eef87ab8d2f2d8e55a9d9549252c256680c17f866f0f5af7c12f602e

Download Submit
C:\Users\Admin\Windows\Windows Update.exe

Filesize
240KB

MD5
eac5ebfd214de0cf3a5459b647a7b2d5

SHA1
52f62f6d725049d191f453328cdae3f1f7334ee6

SHA256
5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b

SHA512
3e2978f6df4b3f0251dee2a7e9939fce2344e0af1c02810c7fcd1d31b5484fd2b2dd7203eef87ab8d2f2d8e55a9d9549252c256680c17f866f0f5af7c12f602e

Download Submit
C:\Users\Admin\Windows\Windows Update.exe

Filesize
240KB

MD5
eac5ebfd214de0cf3a5459b647a7b2d5

SHA1
52f62f6d725049d191f453328cdae3f1f7334ee6

SHA256
5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b

SHA512
3e2978f6df4b3f0251dee2a7e9939fce2344e0af1c02810c7fcd1d31b5484fd2b2dd7203eef87ab8d2f2d8e55a9d9549252c256680c17f866f0f5af7c12f602e

Download Submit
\Users\Admin\Windows\Windows Update.exe

Filesize
240KB

MD5
eac5ebfd214de0cf3a5459b647a7b2d5

SHA1
52f62f6d725049d191f453328cdae3f1f7334ee6

SHA256
5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b

SHA512
3e2978f6df4b3f0251dee2a7e9939fce2344e0af1c02810c7fcd1d31b5484fd2b2dd7203eef87ab8d2f2d8e55a9d9549252c256680c17f866f0f5af7c12f602e

Download Submit
\Users\Admin\Windows\Windows Update.exe

Filesize
240KB

MD5
eac5ebfd214de0cf3a5459b647a7b2d5

SHA1
52f62f6d725049d191f453328cdae3f1f7334ee6

SHA256
5456e3d82f4f3ce27dec6cac9cd4794fb524ba42e4037a735032c24f8834df6b

SHA512
3e2978f6df4b3f0251dee2a7e9939fce2344e0af1c02810c7fcd1d31b5484fd2b2dd7203eef87ab8d2f2d8e55a9d9549252c256680c17f866f0f5af7c12f602e

Download Submit
memory/1000-75-0x0000000000390000-0x00000000003D2000-memory.dmp

Filesize
264KB

Download
memory/1000-72-0x0000000000000000-mapping.dmp

Download
memory/1232-87-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1232-85-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1232-82-0x0000000000408D5E-mapping.dmp

Download
memory/1280-62-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download
memory/1280-70-0x00000000759C1000-0x00000000759C3000-memory.dmp

Filesize
8KB

Download
memory/1280-68-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download
memory/1280-66-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download
memory/1280-61-0x0000000000408D5E-mapping.dmp

Download
memory/1280-63-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download
memory/1280-59-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download
memory/1280-57-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download
memory/1280-56-0x00000000000D0000-0x00000000000DC000-memory.dmp

Filesize
48KB

Download
memory/1296-54-0x0000000000270000-0x00000000002B2000-memory.dmp

Filesize
264KB

Download
memory/1296-55-0x00000000005E0000-0x00000000005E8000-memory.dmp

Filesize
32KB

Download
memory/1344-69-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads