limerat | 3527e234b5df8f9f1094ea632ff826c4b40941b75d89938794aa5d8ae1dc885e

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/03/2024, 14:18

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General

Target
New-Client.exe
Size 137KB
Sample240328-rmhwmagc21
SHA256 3527e234b5df8f9f1094ea632ff826c4b40941b75d89938794aa5d8ae1dc885e
MD5 f000f3f61e4c9a88563bc5443911fdeb
SHA1 7c4e4e79d4d0f52ac8272e31df85b34718a18661
SHA512 4f518a1bbc2dabc39cf8427fda0ef9dd3f1a018fd5665c9dfd872e51c86122c253d721850c312f5721db448909f059b6d9cc4c97932bbf82e90d9b3f3b0a9c80
SSDEEP 768:opVG6Xbwt81vcW45NAepI6GNUlzLcXqo5mjXSj2X0GGmr0qZvRFIu+jfVzErx2:opFbwtsE3EeO6GNUl8rs2oBGPqZbIBI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
tobikjenegr
antivm
false
c2_url
https://pastebin.com/raw/BjpYs2j2
delay
3
download_payload
false
install
true
install_name
fsds.exe
main_folder
AppData
pin_spread
false
sub_folder
\fasdasfdfsdfsda\
usb_spread
false

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/BjpYs2j2
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

Executes dropped EXE 1 IoCs

pid	Process
2784	fsds.exe

Loads dropped DLL 2 IoCs

pid	Process
1460	New-Client.exe
1460	New-Client.exe

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

Web Service

T1102

flow	ioc
4	pastebin.com
5	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
2564	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	fsds.exe
Token: SeDebugPrivilege	2784	fsds.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 2564	1460	New-Client.exe	29
PID 1460 wrote to memory of 2564	1460	New-Client.exe	29
PID 1460 wrote to memory of 2564	1460	New-Client.exe	29
PID 1460 wrote to memory of 2564	1460	New-Client.exe	29
PID 1460 wrote to memory of 2784	1460	New-Client.exe	31
PID 1460 wrote to memory of 2784	1460	New-Client.exe	31
PID 1460 wrote to memory of 2784	1460	New-Client.exe	31
PID 1460 wrote to memory of 2784	1460	New-Client.exe	31

C:\Users\Admin\AppData\Local\Temp\New-Client.exe
"C:\Users\Admin\AppData\Local\Temp\New-Client.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:2564
- C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe
  "C:\Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2784

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Size 68KB
SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
MD5 29f65ba8e88c063813cc50a4ea544e93
SHA1 05a7040d5c127e68c25d81cc51271ffb8bef3568
SHA512 e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
SSDEEP 1536:iMveRG6BWC7T2g1wGUa5QUoaIB9ttiFJG+AOQOXl0Usvwr:feRG6BX6gUaHo9tkBHiUewr
MD5 SHA1 SHA512 SSDEEP

Submit Download

Tar5E5E.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tar5E5E.tmp
Size 177KB
SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
MD5 435a9ac180383f9fa094131b173a2f7b
SHA1 76944ea657a9db94f9a4bef38f88c46ed4166983
SHA512 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
SSDEEP 1536:fAo/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mJ:f/J+qTR0XCy/dmASru2Aijbdq
MD5 SHA1 SHA512 SSDEEP

Submit Download

fsds.exe

Path \Users\Admin\AppData\Roaming\fasdasfdfsdfsda\fsds.exe
Size 137KB
SHA256 3527e234b5df8f9f1094ea632ff826c4b40941b75d89938794aa5d8ae1dc885e
MD5 f000f3f61e4c9a88563bc5443911fdeb
SHA1 7c4e4e79d4d0f52ac8272e31df85b34718a18661
SHA512 4f518a1bbc2dabc39cf8427fda0ef9dd3f1a018fd5665c9dfd872e51c86122c253d721850c312f5721db448909f059b6d9cc4c97932bbf82e90d9b3f3b0a9c80
SSDEEP 768:opVG6Xbwt81vcW45NAepI6GNUlzLcXqo5mjXSj2X0GGmr0qZvRFIu+jfVzErx2:opFbwtsE3EeO6GNUl8rs2oBGPqZbIBI
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1460-0-0x0000000001370000-0x0000000001398000-memory.dmp

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memory/1460-1-0x00000000745D0000-0x0000000074CBE000-memory.dmp

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memory/1460-3-0x0000000004D50000-0x0000000004D90000-memory.dmp

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memory/1460-14-0x00000000745D0000-0x0000000074CBE000-memory.dmp

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memory/2784-15-0x00000000745D0000-0x0000000074CBE000-memory.dmp

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memory/2784-13-0x0000000000860000-0x0000000000888000-memory.dmp

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memory/2784-53-0x00000000745D0000-0x0000000074CBE000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads