limerat | e17ccf577de45924b8667a25fed7a0bbcf88a0f39b453887a915cacb0dd66761

General

Target

3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe
Size

28KB
MD5

3a998d2d3e89f9faa6049ab5f558dc5c
SHA1

dbe718ca2975f66c1fe71c2e3f90875f3c5dda65
SHA256

e17ccf577de45924b8667a25fed7a0bbcf88a0f39b453887a915cacb0dd66761
SHA512

5a1ccdc7d794bdc9a09f0d26a3b279c06da8efe7f39dcf50f8018e4730c605998ffee5938a5cba31e806f48aa940f4e861cbd29a360f856f08a59da9338c7c61
SSDEEP

384:62+Sbj6NKUSs6/DAt9iXCqDtS7H+ovDKNrCeJE3WNgLOGngyFT3DKSNQro3lcSMQ:npUP6/Dq9GS7H+m45N8//3DKSDj

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
25685535
antivm
false
c2_url
https://pastebin.com/raw/ECrBZ5F2
delay
3
download_payload
false
install
true
install_name
Yoooo.exe
main_folder
AppData
pin_spread
true
sub_folder
\Yoooo\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/ECrBZ5F2
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
2044	Yoooo.exe

Loads dropped DLL 2 IoCs

pid	Process
2028	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe
2028	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.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

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Yoooo.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2888	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2044	Yoooo.exe
Token: SeDebugPrivilege	2044	Yoooo.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2888	2028	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	31
PID 2028 wrote to memory of 2888	2028	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	31
PID 2028 wrote to memory of 2888	2028	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	31
PID 2028 wrote to memory of 2888	2028	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	31
PID 2028 wrote to memory of 2044	2028	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	33
PID 2028 wrote to memory of 2044	2028	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	33
PID 2028 wrote to memory of 2044	2028	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	33
PID 2028 wrote to memory of 2044	2028	3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a998d2d3e89f9faa6049ab5f558dc5c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Yoooo\Yoooo.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2888
- C:\Users\Admin\AppData\Roaming\Yoooo\Yoooo.exe
  "C:\Users\Admin\AppData\Roaming\Yoooo\Yoooo.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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

C:\Users\Admin\AppData\Roaming\Yoooo\Yoooo.exe

Filesize
28KB

MD5
3a998d2d3e89f9faa6049ab5f558dc5c

SHA1
dbe718ca2975f66c1fe71c2e3f90875f3c5dda65

SHA256
e17ccf577de45924b8667a25fed7a0bbcf88a0f39b453887a915cacb0dd66761

SHA512
5a1ccdc7d794bdc9a09f0d26a3b279c06da8efe7f39dcf50f8018e4730c605998ffee5938a5cba31e806f48aa940f4e861cbd29a360f856f08a59da9338c7c61

Download Submit
memory/2028-0-0x0000000074EB1000-0x0000000074EB2000-memory.dmp

Filesize
4KB

Download
memory/2028-1-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-2-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-13-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-14-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-15-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-16-0x0000000074EB0000-0x000000007545B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads