limerat | d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1

General

Target

cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe
Size

1.1MB
MD5

cc166b3ea155fd47e3380f79d66e982e
SHA1

e66dcd125112794858f360172e937691657ca098
SHA256

d6955d8ae626ce1f4f2ca6f0a40805b9a14d6837e68083233944f0565bd855e1
SHA512

296252cd91831cc1cb75342a209f8ee5b8cde55edd06bc8c842d2c478459c485a990a3bf6d6fc0ef4031cd336088ac12a33ec10cb487a11b5548aa87d7d94a13
SSDEEP

24576:SAHnh+eWsN3skA4RV1Hom2KXMmHaas+nsm1ZOGP5:Vh+ZkldoPK8YaaBvZO2

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Wallets

1JBKLGyE6AnRGvk92A8x3m8qmXfh3fcEty

Attributes

aes_key
nulled
antivm
true
c2_url
https://pastebin.com/raw/cXuQ0V20
delay
3
download_payload
false
install
false
install_name
Winservices.exe
main_folder
AppData
pin_spread
false
sub_folder
\Services\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/cXuQ0V20
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:

cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\attrib.url	cc166b3ea155fd47e3380f79d66e982e_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

flow	ioc
4	pastebin.com
5	pastebin.com

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe

description pid process target process

PID 2396 set thread context of 2656 2396 cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe RegAsm.exe

description	pid	process	target process
PID 2396 set thread context of 2656	2396	cc166b3ea155fd47e3380f79d66e982e_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:

cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exeRegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2656 RegAsm.exe
Token: SeDebugPrivilege 2656 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2656	RegAsm.exe
Token: SeDebugPrivilege	2656	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe

pid	process
2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe
2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe
2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe

pid	process
2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe
2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe
2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe

description	pid	process	target process
PID 2396 wrote to memory of 2656	2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe	RegAsm.exe
PID 2396 wrote to memory of 2656	2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe	RegAsm.exe
PID 2396 wrote to memory of 2656	2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe	RegAsm.exe
PID 2396 wrote to memory of 2656	2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe	RegAsm.exe
PID 2396 wrote to memory of 2656	2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe	RegAsm.exe
PID 2396 wrote to memory of 2656	2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe	RegAsm.exe
PID 2396 wrote to memory of 2656	2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe	RegAsm.exe
PID 2396 wrote to memory of 2656	2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe	RegAsm.exe
PID 2396 wrote to memory of 2656	2396	cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cc166b3ea155fd47e3380f79d66e982e_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

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

memory/2396-0-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2656-1-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2656-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2656-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2656-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2656-13-0x0000000074672000-0x0000000074674000-memory.dmp

Filesize
8KB

Download
memory/2656-14-0x0000000074672000-0x0000000074674000-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