limerat | 56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30-11-2022 13:23

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General

Target

56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe
Size

251KB
MD5

d64c663ca513edb1e8ad004a6e6cbb3f
SHA1

a95aa92c2d8a5322421e60d6f108ac54eb907bb7
SHA256

56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4
SHA512

69c06dd77f92fd56c86804417c114e0cc4be9eaa80549dbbec937965c75b7644ce3b90fc7598bb1e9187aeeee1c39d57c51bb4ab2d555ef6ce4482159ec2808a
SSDEEP

6144:O/EDkB/TwAFZe1EB79p1ERueqJwCVqE6Js:OcABrDZe6BD1FhVH

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
600	Windows Update.exe
980	Windows Update.exe

Loads dropped DLL 2 IoCs

pid	Process
2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe
600	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 1720 set thread context of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 600 set thread context of 980	600	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
1004	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	980	Windows Update.exe
Token: SeDebugPrivilege	980	Windows Update.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 1720 wrote to memory of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 1720 wrote to memory of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 1720 wrote to memory of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 1720 wrote to memory of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 1720 wrote to memory of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 1720 wrote to memory of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 1720 wrote to memory of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 1720 wrote to memory of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 1720 wrote to memory of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 1720 wrote to memory of 2012	1720	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	27
PID 2012 wrote to memory of 1004	2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	29
PID 2012 wrote to memory of 1004	2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	29
PID 2012 wrote to memory of 1004	2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	29
PID 2012 wrote to memory of 1004	2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	29
PID 2012 wrote to memory of 600	2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	31
PID 2012 wrote to memory of 600	2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	31
PID 2012 wrote to memory of 600	2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	31
PID 2012 wrote to memory of 600	2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	31
PID 2012 wrote to memory of 600	2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	31
PID 2012 wrote to memory of 600	2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	31
PID 2012 wrote to memory of 600	2012	56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe	31
PID 600 wrote to memory of 980	600	Windows Update.exe	32
PID 600 wrote to memory of 980	600	Windows Update.exe	32
PID 600 wrote to memory of 980	600	Windows Update.exe	32
PID 600 wrote to memory of 980	600	Windows Update.exe	32
PID 600 wrote to memory of 980	600	Windows Update.exe	32
PID 600 wrote to memory of 980	600	Windows Update.exe	32
PID 600 wrote to memory of 980	600	Windows Update.exe	32
PID 600 wrote to memory of 980	600	Windows Update.exe	32
PID 600 wrote to memory of 980	600	Windows Update.exe	32
PID 600 wrote to memory of 980	600	Windows Update.exe	32
PID 600 wrote to memory of 980	600	Windows Update.exe	32

C:\Users\Admin\AppData\Local\Temp\56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe
"C:\Users\Admin\AppData\Local\Temp\56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe
  "C:\Users\Admin\AppData\Local\Temp\56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2012
- - 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:1004
- - 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:600
  - - C:\Users\Admin\Windows\Windows Update.exe
      "C:\Users\Admin\Windows\Windows Update.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:980

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
251KB

MD5
d64c663ca513edb1e8ad004a6e6cbb3f

SHA1
a95aa92c2d8a5322421e60d6f108ac54eb907bb7

SHA256
56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4

SHA512
69c06dd77f92fd56c86804417c114e0cc4be9eaa80549dbbec937965c75b7644ce3b90fc7598bb1e9187aeeee1c39d57c51bb4ab2d555ef6ce4482159ec2808a

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

Filesize
251KB

MD5
d64c663ca513edb1e8ad004a6e6cbb3f

SHA1
a95aa92c2d8a5322421e60d6f108ac54eb907bb7

SHA256
56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4

SHA512
69c06dd77f92fd56c86804417c114e0cc4be9eaa80549dbbec937965c75b7644ce3b90fc7598bb1e9187aeeee1c39d57c51bb4ab2d555ef6ce4482159ec2808a

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

Filesize
251KB

MD5
d64c663ca513edb1e8ad004a6e6cbb3f

SHA1
a95aa92c2d8a5322421e60d6f108ac54eb907bb7

SHA256
56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4

SHA512
69c06dd77f92fd56c86804417c114e0cc4be9eaa80549dbbec937965c75b7644ce3b90fc7598bb1e9187aeeee1c39d57c51bb4ab2d555ef6ce4482159ec2808a

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

Filesize
251KB

MD5
d64c663ca513edb1e8ad004a6e6cbb3f

SHA1
a95aa92c2d8a5322421e60d6f108ac54eb907bb7

SHA256
56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4

SHA512
69c06dd77f92fd56c86804417c114e0cc4be9eaa80549dbbec937965c75b7644ce3b90fc7598bb1e9187aeeee1c39d57c51bb4ab2d555ef6ce4482159ec2808a

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

Filesize
251KB

MD5
d64c663ca513edb1e8ad004a6e6cbb3f

SHA1
a95aa92c2d8a5322421e60d6f108ac54eb907bb7

SHA256
56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4

SHA512
69c06dd77f92fd56c86804417c114e0cc4be9eaa80549dbbec937965c75b7644ce3b90fc7598bb1e9187aeeee1c39d57c51bb4ab2d555ef6ce4482159ec2808a

Download Submit
memory/600-72-0x0000000000E50000-0x0000000000E96000-memory.dmp

Filesize
280KB

Download
memory/600-69-0x0000000000000000-mapping.dmp

Download
memory/980-79-0x0000000000408D5E-mapping.dmp

Download
memory/1004-66-0x0000000000000000-mapping.dmp

Download
memory/1720-55-0x0000000000480000-0x0000000000488000-memory.dmp

Filesize
32KB

Download
memory/1720-54-0x0000000000D10000-0x0000000000D56000-memory.dmp

Filesize
280KB

Download
memory/2012-59-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2012-67-0x00000000765B1000-0x00000000765B3000-memory.dmp

Filesize
8KB

Download
memory/2012-65-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2012-63-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2012-61-0x0000000000408D5E-mapping.dmp

Download
memory/2012-60-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2012-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2012-56-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads