limerat | a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f

General

Target

a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe
Size

126KB
MD5

08bae97aa3ca7a364e6bbe2aa6e8b8b6
SHA1

f6b7179fa8cc6a3b062c8c7b5a914c5b8f6e0312
SHA256

a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f
SHA512

ba47cc9c514627386f1f4d202b46ef182ec332db6183f4e8f5474bd13e491d91a5f7a7ee272d1d647f98ae55e553a60229100ba645c60c2e5c87b973aaf5c5a1
SSDEEP

3072:uewtvfrOPCNBz65/M6If+3Js+3JFkKeTn:RaqCxBt25

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
Jesus
antivm
false
c2_url
https://pastebin.com/raw/6bPeUTd1
delay
3
download_payload
false
install
true
install_name
Plugin.exe
main_folder
Temp
pin_spread
false
sub_folder
\System\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/6bPeUTd1
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe

Executes dropped EXE 1 IoCs

Processes:

Plugin.exe

pid process

932 Plugin.exe

pid	process
932	Plugin.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 24 IoCs

Web Service

T1102

Processes:

flow	ioc
41	pastebin.com
57	pastebin.com
71	pastebin.com
111	pastebin.com
24	pastebin.com
39	pastebin.com
104	pastebin.com
105	0.tcp.sa.ngrok.io
109	pastebin.com
53	pastebin.com
80	pastebin.com
82	pastebin.com
96	pastebin.com
100	pastebin.com
107	pastebin.com
28	0.tcp.sa.ngrok.io
63	pastebin.com
59	pastebin.com
64	0.tcp.sa.ngrok.io
77	pastebin.com
98	pastebin.com
102	pastebin.com
27	pastebin.com
55	pastebin.com

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

Processes:

schtasks.exe

pid process

3472 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Plugin.exe

description pid process

Token: SeDebugPrivilege 932 Plugin.exe
Token: SeDebugPrivilege 932 Plugin.exe

pid	process
3472	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	932	Plugin.exe
Token: SeDebugPrivilege	932	Plugin.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe

description	pid	process	target process
PID 1040 wrote to memory of 3472	1040	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	schtasks.exe
PID 1040 wrote to memory of 3472	1040	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	schtasks.exe
PID 1040 wrote to memory of 3472	1040	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	schtasks.exe
PID 1040 wrote to memory of 932	1040	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	Plugin.exe
PID 1040 wrote to memory of 932	1040	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	Plugin.exe
PID 1040 wrote to memory of 932	1040	a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe	Plugin.exe

C:\Users\Admin\AppData\Local\Temp\a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe
"C:\Users\Admin\AppData\Local\Temp\a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\System\Plugin.exe'"
  2⤵
  - Creates scheduled task(s)
  PID:3472
- C:\Users\Admin\AppData\Local\Temp\System\Plugin.exe
  "C:\Users\Admin\AppData\Local\Temp\System\Plugin.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\System\Plugin.exe

Filesize
126KB

MD5
08bae97aa3ca7a364e6bbe2aa6e8b8b6

SHA1
f6b7179fa8cc6a3b062c8c7b5a914c5b8f6e0312

SHA256
a7b1c2a715bb2f2a6358825f341bcd9e3db00164f44afae1a1e8538ebfdf3a9f

SHA512
ba47cc9c514627386f1f4d202b46ef182ec332db6183f4e8f5474bd13e491d91a5f7a7ee272d1d647f98ae55e553a60229100ba645c60c2e5c87b973aaf5c5a1

Download Submit
memory/932-16-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/932-17-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/932-18-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/932-19-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/1040-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

Filesize
4KB

Download
memory/1040-1-0x00000000004B0000-0x00000000004D6000-memory.dmp

Filesize
152KB

Download
memory/1040-2-0x0000000004E50000-0x0000000004EEC000-memory.dmp

Filesize
624KB

Download
memory/1040-3-0x0000000004F50000-0x0000000004FB6000-memory.dmp

Filesize
408KB

Download
memory/1040-4-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download
memory/1040-5-0x0000000005B20000-0x00000000060C4000-memory.dmp

Filesize
5.6MB

Download
memory/1040-15-0x00000000751E0000-0x0000000075990000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads