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

Signatures

LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
rat limerat
Limerat family
limerat

Executes dropped EXE 1 IoCs

pid	Process
4776	xdwd.exe

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

Web Service

T1102

flow	ioc
1	pastebin.com
2	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
1988	schtasks.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe
4776	xdwd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4776	xdwd.exe
Token: SeDebugPrivilege	4776	xdwd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 1988	4264	xdwd.exe	78
PID 4264 wrote to memory of 1988	4264	xdwd.exe	78
PID 4264 wrote to memory of 1988	4264	xdwd.exe	78
PID 4264 wrote to memory of 4776	4264	xdwd.exe	80
PID 4264 wrote to memory of 4776	4264	xdwd.exe	80
PID 4264 wrote to memory of 4776	4264	xdwd.exe	80

C:\Users\Admin\AppData\Local\Temp\xdwd.exe
"C:\Users\Admin\AppData\Local\Temp\xdwd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264
- 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:1988
- 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:4776

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

Filesize
709B

MD5
cee382b44a0a258c801e5df212da62dd

SHA1
85bbc4b6608782987db1a61729e62ec4a7e69371

SHA256
0bd749db0dc336f89c80dc04a6522df03c13bd3ca7ec1b5a54ab01413b6ad6c1

SHA512
41cd658e569f09ab15c46cc716c576f6ef4862fba47547b09a8576ffd05009465973643c0a5a25d0801adc7be6ba6d3ef7d1e62d0b8a1f0823dfe80c17930dd8

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

Filesize
25KB

MD5
aae04417cc07c39988d4fbe0e85fc9bd

SHA1
2d51b49f8f1faeba674dd0993911e8f65b4d2258

SHA256
f81bc717944ec8a599c8276d9d3b1de4b995d5570139590d263b39e47e87ba3d

SHA512
53cc6468da9be1f4a3cc3089b1ed6a7544eb5cc5f91ae8dc1390688ffe10ad9aff1df224a5cd936276440ee95cb4afcaec7cf4f63332297864179c3266560dfb

Download Submit
memory/4264-3-0x0000000005140000-0x00000000051A6000-memory.dmp

Filesize
408KB

Download
memory/4264-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/4264-4-0x00000000747D0000-0x0000000074F81000-memory.dmp

Filesize
7.7MB

Download
memory/4264-5-0x0000000005E80000-0x0000000006426000-memory.dmp

Filesize
5.6MB

Download
memory/4264-2-0x0000000005090000-0x000000000512C000-memory.dmp

Filesize
624KB

Download
memory/4264-1-0x0000000000630000-0x000000000063C000-memory.dmp

Filesize
48KB

Download
memory/4264-17-0x00000000747D0000-0x0000000074F81000-memory.dmp

Filesize
7.7MB

Download
memory/4776-16-0x00000000747D0000-0x0000000074F81000-memory.dmp

Filesize
7.7MB

Download
memory/4776-18-0x00000000747D0000-0x0000000074F81000-memory.dmp

Filesize
7.7MB

Download
memory/4776-19-0x00000000747D0000-0x0000000074F81000-memory.dmp

Filesize
7.7MB

Download
memory/4776-20-0x00000000747D0000-0x0000000074F81000-memory.dmp

Filesize
7.7MB

Download
memory/4776-21-0x0000000007A50000-0x0000000007AE2000-memory.dmp

Filesize
584KB

Download
memory/4776-22-0x0000000007860000-0x000000000787E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads