limerat | fb434920f9760a044037eb9992fc8d1ebf1d45c0c354cbffa306fce67b99e5c1

General

Target

ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe
Size

1.3MB
MD5

ebe26c134d879fdd298b6d042c7e135c
SHA1

351187a975f92da733994047849df37d81d3ff1a
SHA256

fb434920f9760a044037eb9992fc8d1ebf1d45c0c354cbffa306fce67b99e5c1
SHA512

a7edb42c4bd83a84c104b41047be3c655062d9fee73c78e84fd8651f7060988b5ccd855141ef1ea4ece3ad1ec8b664ca68f16b5a35e7d20e2b1ee0925036b4a6
SSDEEP

6144:+zWFbZ2O6Q2v+jnCLtBetAOJ8X0nJrnNgtmK6Q6ud8BJEWQiFr7:+zW2OriknCLtEvRrFZ

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
1205
antivm
false
c2_url
https://pastebin.com/raw/iRjhpqQL
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/iRjhpqQL
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:

ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJdyTuap.exe	ebe26c134d879fdd298b6d042c7e135c_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:

ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe

description pid process target process

PID 2552 set thread context of 536 2552 ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe RegAsm.exe

flow	ioc
4	pastebin.com
5	pastebin.com

description	pid	process	target process
PID 2552 set thread context of 536	2552	ebe26c134d879fdd298b6d042c7e135c_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:

ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exeRegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe

pid process

2552 ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 536 RegAsm.exe
Token: SeDebugPrivilege 536 RegAsm.exe

pid	process
2552	ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	536	RegAsm.exe
Token: SeDebugPrivilege	536	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe

description	pid	process	target process
PID 2552 wrote to memory of 536	2552	ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe	RegAsm.exe
PID 2552 wrote to memory of 536	2552	ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe	RegAsm.exe
PID 2552 wrote to memory of 536	2552	ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe	RegAsm.exe
PID 2552 wrote to memory of 536	2552	ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe	RegAsm.exe
PID 2552 wrote to memory of 536	2552	ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe	RegAsm.exe
PID 2552 wrote to memory of 536	2552	ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe	RegAsm.exe
PID 2552 wrote to memory of 536	2552	ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe	RegAsm.exe
PID 2552 wrote to memory of 536	2552	ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ebe26c134d879fdd298b6d042c7e135c_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:536

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/536-10-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/536-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/536-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2552-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2552-1-0x00000000000A0000-0x00000000001E8000-memory.dmp

Filesize
1.3MB

Download
memory/2552-2-0x0000000000530000-0x0000000000546000-memory.dmp

Filesize
88KB

Download
memory/2552-4-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2552-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2552-11-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads