limerat | 342b2e3b3e756eb046794a12c10567d04e8255f096e616f40129025968d8f2a5

General

Target

cceb4219605d30c23efe121068055a31_JaffaCakes118.exe
Size

787KB
MD5

cceb4219605d30c23efe121068055a31
SHA1

e2aa3e61e3c6a571b6b3ad36478f0e906e58212f
SHA256

342b2e3b3e756eb046794a12c10567d04e8255f096e616f40129025968d8f2a5
SHA512

ecaedde80486a0a17a9230c4fbeafeaccaa1ab6607a109fe8b763027365d1b9504e58e7147aa1e52bc30aa02e36a51e3a9ebd39e2801c8e445bc1bf487862650
SSDEEP

12288:zyR17vTjQvEbeCN25ITN3FRqpfC4HZ9a2zHCQnit/MMukucsy55WMBWzmyjvMdS2:q1/svEb/uHZZmiiOMRuvkU8OzlN6

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
jack
antivm
false
c2_url
https://pastebin.com/raw/YtyeDvFZ
delay
3
download_payload
false
install
false
install_name
Wservices.exe
main_folder
Temp
pin_spread
false
sub_folder
\
usb_spread
false

Extracted

Family

limerat

Attributes

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

Drops startup file 1 IoCs

Processes:

cceb4219605d30c23efe121068055a31_JaffaCakes118.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vbc.url	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe

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

Web Service
T1102

Processes:

flow ioc

4 pastebin.com
5 pastebin.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

cceb4219605d30c23efe121068055a31_JaffaCakes118.exe

description pid process target process

PID 2164 set thread context of 2368 2164 cceb4219605d30c23efe121068055a31_JaffaCakes118.exe RegAsm.exe

flow	ioc
4	pastebin.com
5	pastebin.com

description	pid	process	target process
PID 2164 set thread context of 2368	2164	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe	RegAsm.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

cceb4219605d30c23efe121068055a31_JaffaCakes118.exeRegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

cceb4219605d30c23efe121068055a31_JaffaCakes118.exe

pid process

2164 cceb4219605d30c23efe121068055a31_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2368 RegAsm.exe
Token: SeDebugPrivilege 2368 RegAsm.exe

pid	process
2164	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2368	RegAsm.exe
Token: SeDebugPrivilege	2368	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

cceb4219605d30c23efe121068055a31_JaffaCakes118.exe

description	pid	process	target process
PID 2164 wrote to memory of 2368	2164	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe	RegAsm.exe
PID 2164 wrote to memory of 2368	2164	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe	RegAsm.exe
PID 2164 wrote to memory of 2368	2164	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe	RegAsm.exe
PID 2164 wrote to memory of 2368	2164	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe	RegAsm.exe
PID 2164 wrote to memory of 2368	2164	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe	RegAsm.exe
PID 2164 wrote to memory of 2368	2164	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe	RegAsm.exe
PID 2164 wrote to memory of 2368	2164	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe	RegAsm.exe
PID 2164 wrote to memory of 2368	2164	cceb4219605d30c23efe121068055a31_JaffaCakes118.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\cceb4219605d30c23efe121068055a31_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cceb4219605d30c23efe121068055a31_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

memory/2164-8-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2164-1-0x0000000001080000-0x000000000114C000-memory.dmp

Filesize
816KB

Download
memory/2164-2-0x00000000004A0000-0x00000000004A8000-memory.dmp

Filesize
32KB

Download
memory/2164-3-0x0000000000A40000-0x0000000000A7A000-memory.dmp

Filesize
232KB

Download
memory/2164-4-0x00000000004B0000-0x00000000004BC000-memory.dmp

Filesize
48KB

Download
memory/2164-5-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2164-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/2164-14-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2368-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2368-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2368-15-0x0000000071682000-0x0000000071684000-memory.dmp

Filesize
8KB

Download
memory/2368-16-0x0000000071682000-0x0000000071684000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads