limerat | f81bc717944ec8a599c8276d9d3b1de4b995d5570139590d263b39e47e87ba3d

General

Target

xdwd.exe
Size

25KB
MD5

aae04417cc07c39988d4fbe0e85fc9bd
SHA1

2d51b49f8f1faeba674dd0993911e8f65b4d2258
SHA256

f81bc717944ec8a599c8276d9d3b1de4b995d5570139590d263b39e47e87ba3d
SHA512

53cc6468da9be1f4a3cc3089b1ed6a7544eb5cc5f91ae8dc1390688ffe10ad9aff1df224a5cd936276440ee95cb4afcaec7cf4f63332297864179c3266560dfb
SSDEEP

384:EB+Sbj6NKIPw6LZhAHt2vTh34EnWb5j4kDhlzCTJEUmNYEYQro3lcOjsjr:CpI46Lnwt4aE+RHtN8oj

Score

10^/10

limerat discovery rat

Malware Config

Extracted

Family

limerat

Attributes

aes_key
1337
antivm
false
c2_url
https://pastebin.com/raw/rACMKa5f
delay
3
download_payload
false
install
true
install_name
xdwd.exe
main_folder
AppData
pin_spread
false
sub_folder
\xdwd\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/rACMKa5f
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
Limerat family
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2319007114-3335580451-2147236418-1000\Control Panel\International\Geo\Nation	xdwd.exe

Executes dropped EXE 1 IoCs

pid	Process
992	xdwd.exe

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

Web Service

T1102

flow	ioc
20	pastebin.com
21	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	xdwd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xdwd.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
4332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe
992	xdwd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	992	xdwd.exe
Token: SeDebugPrivilege	992	xdwd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 4332	1920	xdwd.exe	88
PID 1920 wrote to memory of 4332	1920	xdwd.exe	88
PID 1920 wrote to memory of 4332	1920	xdwd.exe	88
PID 1920 wrote to memory of 992	1920	xdwd.exe	90
PID 1920 wrote to memory of 992	1920	xdwd.exe	90
PID 1920 wrote to memory of 992	1920	xdwd.exe	90

C:\Users\Admin\AppData\Local\Temp\xdwd.exe
"C:\Users\Admin\AppData\Local\Temp\xdwd.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\xdwd\xdwd.exe'"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4332
- C:\Users\Admin\AppData\Roaming\xdwd\xdwd.exe
  "C:\Users\Admin\AppData\Roaming\xdwd\xdwd.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:992

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

Query Registry

1

T1012

System Information Discovery

2

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\Local\Microsoft\CLR_v4.0_32\UsageLogs\xdwd.exe.log

Filesize
709B

MD5
2db0f6be9407032cd5037e8df1199f9f

SHA1
953224694eca90c5e325f4dec9d7280df229c635

SHA256
9631391854af05a31514d6d87f0ac19b9b4e966e9ba2a17d23ebea3f0f9dfb43

SHA512
958327e527f6e75fb25782ae769ec0862131eef7fcc83ed00be215db0a3442f3620bf8f8067132375cdd632d1ce44e3999604ca554cfb7025129150c1ce73403

Download Submit
C:\Users\Admin\AppData\Roaming\xdwd\xdwd.exe

Filesize
25KB

MD5
aae04417cc07c39988d4fbe0e85fc9bd

SHA1
2d51b49f8f1faeba674dd0993911e8f65b4d2258

SHA256
f81bc717944ec8a599c8276d9d3b1de4b995d5570139590d263b39e47e87ba3d

SHA512
53cc6468da9be1f4a3cc3089b1ed6a7544eb5cc5f91ae8dc1390688ffe10ad9aff1df224a5cd936276440ee95cb4afcaec7cf4f63332297864179c3266560dfb

Download Submit
memory/992-19-0x0000000074A00000-0x00000000751B1000-memory.dmp

Filesize
7.7MB

Download
memory/992-25-0x0000000006C80000-0x0000000006C9E000-memory.dmp

Filesize
120KB

Download
memory/992-24-0x0000000006E70000-0x0000000006F02000-memory.dmp

Filesize
584KB

Download
memory/992-23-0x0000000074A00000-0x00000000751B1000-memory.dmp

Filesize
7.7MB

Download
memory/992-22-0x0000000074A00000-0x00000000751B1000-memory.dmp

Filesize
7.7MB

Download
memory/992-21-0x0000000074A00000-0x00000000751B1000-memory.dmp

Filesize
7.7MB

Download
memory/1920-3-0x00000000050C0000-0x0000000005126000-memory.dmp

Filesize
408KB

Download
memory/1920-20-0x0000000074A00000-0x00000000751B1000-memory.dmp

Filesize
7.7MB

Download
memory/1920-5-0x0000000005E60000-0x0000000006406000-memory.dmp

Filesize
5.6MB

Download
memory/1920-4-0x0000000074A00000-0x00000000751B1000-memory.dmp

Filesize
7.7MB

Download
memory/1920-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/1920-2-0x0000000005020000-0x00000000050BC000-memory.dmp

Filesize
624KB

Download
memory/1920-1-0x0000000000690000-0x000000000069C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads