limerat | 31e5ee4bfed3bc1e491d75bf07958d0141264d736fd25d883125054d4f4d9328

General

Target

259d498a10482929d3331458526047e5_JaffaCakes118.exe
Size

78KB
MD5

259d498a10482929d3331458526047e5
SHA1

9808b64e9dee325393374884344b18e37570a135
SHA256

31e5ee4bfed3bc1e491d75bf07958d0141264d736fd25d883125054d4f4d9328
SHA512

c7dc6460662d59fbe319b56e5a401d2b642aaa6fb5d237ea7a68aaa6df9f39267a0e10ab6bad8156614b9051c9f7d6947d76999bbc313c3153ec8aca63e37ecb
SSDEEP

1536:MkeH1wzPeje9dZld4WwA2z7efZCJrChYZ1sCUpW7c:emmjWLdbwA2LJrQYZ1sCUpW7c

Score

10^/10

limerat evasion persistence rat trojan

Malware Config

Extracted

Family

limerat

Attributes

aes_key
EIYV1V9YH5dE7u4B6kXr
antivm
true
c2_url
https://pastebin.com/raw/LtRQn6ir
delay
3
download_payload
false
install
true
install_name
mswebhook.exe
main_folder
AppData
pin_spread
false
sub_folder
\edge\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/LtRQn6ir
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

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\Vmware Tools	259d498a10482929d3331458526047e5_JaffaCakes118.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection	259d498a10482929d3331458526047e5_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	259d498a10482929d3331458526047e5_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Services = "C:\\Users\\Admin\\AppData\\Roaming\\Edge\\mswebhook.exe"	259d498a10482929d3331458526047e5_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
2	pastebin.com
3	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1256 set thread context of 1320	1256	259d498a10482929d3331458526047e5_JaffaCakes118.exe	28

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
2624	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1320	259d498a10482929d3331458526047e5_JaffaCakes118.exe
Token: SeDebugPrivilege	1320	259d498a10482929d3331458526047e5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 1320	1256	259d498a10482929d3331458526047e5_JaffaCakes118.exe	28
PID 1256 wrote to memory of 1320	1256	259d498a10482929d3331458526047e5_JaffaCakes118.exe	28
PID 1256 wrote to memory of 1320	1256	259d498a10482929d3331458526047e5_JaffaCakes118.exe	28
PID 1256 wrote to memory of 1320	1256	259d498a10482929d3331458526047e5_JaffaCakes118.exe	28
PID 1256 wrote to memory of 1320	1256	259d498a10482929d3331458526047e5_JaffaCakes118.exe	28
PID 1256 wrote to memory of 1320	1256	259d498a10482929d3331458526047e5_JaffaCakes118.exe	28
PID 1256 wrote to memory of 1320	1256	259d498a10482929d3331458526047e5_JaffaCakes118.exe	28
PID 1256 wrote to memory of 1320	1256	259d498a10482929d3331458526047e5_JaffaCakes118.exe	28
PID 1320 wrote to memory of 2624	1320	259d498a10482929d3331458526047e5_JaffaCakes118.exe	30
PID 1320 wrote to memory of 2624	1320	259d498a10482929d3331458526047e5_JaffaCakes118.exe	30
PID 1320 wrote to memory of 2624	1320	259d498a10482929d3331458526047e5_JaffaCakes118.exe	30
PID 1320 wrote to memory of 2624	1320	259d498a10482929d3331458526047e5_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\259d498a10482929d3331458526047e5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\259d498a10482929d3331458526047e5_JaffaCakes118.exe"
1⤵
- Looks for VMWare Tools registry key
- Windows security modification
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\259d498a10482929d3331458526047e5_JaffaCakes118.exe
  "{path}"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1320
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\edge\mswebhook.exe'"
    3⤵
    - Creates scheduled task(s)
    PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\edge\mswebhook.exe

Filesize
78KB

MD5
259d498a10482929d3331458526047e5

SHA1
9808b64e9dee325393374884344b18e37570a135

SHA256
31e5ee4bfed3bc1e491d75bf07958d0141264d736fd25d883125054d4f4d9328

SHA512
c7dc6460662d59fbe319b56e5a401d2b642aaa6fb5d237ea7a68aaa6df9f39267a0e10ab6bad8156614b9051c9f7d6947d76999bbc313c3153ec8aca63e37ecb

Download Submit
memory/1256-19-0x0000000074AF0000-0x00000000751DE000-memory.dmp

Filesize
6.9MB

Download
memory/1256-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/1256-3-0x0000000074AF0000-0x00000000751DE000-memory.dmp

Filesize
6.9MB

Download
memory/1256-5-0x0000000000520000-0x000000000052C000-memory.dmp

Filesize
48KB

Download
memory/1256-1-0x0000000001210000-0x000000000122C000-memory.dmp

Filesize
112KB

Download
memory/1256-0-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

Filesize
4KB

Download
memory/1320-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1320-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1320-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1320-17-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1320-15-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1320-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1320-18-0x0000000074AF0000-0x00000000751DE000-memory.dmp

Filesize
6.9MB

Download
memory/1320-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1320-21-0x0000000074AF0000-0x00000000751DE000-memory.dmp

Filesize
6.9MB

Download
memory/1320-22-0x0000000074AF0000-0x00000000751DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads