limerat | 51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd

General

Target

51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe
Size

764KB
MD5

cac78b51b4ae8c359115955f5611f2a5
SHA1

7f5f6600ba423235b87beb9d47239edc4bbbce48
SHA256

51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd
SHA512

85e176cde37e66728da1e9aeb641ef06ed67b41b95c1cbc4b8c8fcb2411e3632784f1a023acb07aac2363944433767fc044acb1986a83478d658db54f6177b91
SSDEEP

12288:kIAAhJZaF75GF2ibA6Sm/HO5J9MdpNNR36UH+4ahldt8VU2EfPrHLEgkMnJ6PMWT:LAxb8AJovPR36UH+4C6u2E3TzwBT

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

1LLUV51XQKqq94X965Cc6uGPXeZEGSqCdV

Attributes

aes_key
NYANCAT
antivm
false
c2_url
https://pastebin.com/raw/4pByu6u5
delay
3
download_payload
false
install
false
install_name
Wservices.exe
main_folder
AppData
pin_spread
false
sub_folder
\
usb_spread
true

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:

51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 1 IoCs

Processes:

51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe

description	pid	Process	procid_target
PID 4536 set thread context of 4380	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe	95

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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

T1053

Processes:

schtasks.exe

pid	Process
1128	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe

description	pid	Process
Token: SeDebugPrivilege	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe
Token: SeDebugPrivilege	4380	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe
Token: SeDebugPrivilege	4380	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe

description	pid	Process	procid_target
PID 4536 wrote to memory of 1128	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe	93
PID 4536 wrote to memory of 1128	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe	93
PID 4536 wrote to memory of 1128	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe	93
PID 4536 wrote to memory of 4380	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe	95
PID 4536 wrote to memory of 4380	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe	95
PID 4536 wrote to memory of 4380	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe	95
PID 4536 wrote to memory of 4380	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe	95
PID 4536 wrote to memory of 4380	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe	95
PID 4536 wrote to memory of 4380	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe	95
PID 4536 wrote to memory of 4380	4536	51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe	95

C:\Users\Admin\AppData\Local\Temp\51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe
"C:\Users\Admin\AppData\Local\Temp\51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KzSuNlCQoYKnH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp73E8.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1128
- C:\Users\Admin\AppData\Local\Temp\51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe
  "C:\Users\Admin\AppData\Local\Temp\51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Web Service

1

T1102

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\51a36cbd556bcca8b3df6c7ef59e561a2e1a0672abe2033e87712958b07275bd.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp73E8.tmp

Filesize
1KB

MD5
9544f541e7a2bbcab1d37542e4e15a50

SHA1
9ff39f4ef368e6d991febe10debf234dd7a84d67

SHA256
f09bcf14e8db5d5c28c219bfe98903110f196e53fc6d821d3f9b10f5be716060

SHA512
951e9f7e6b62793480d624002b24eb1c8069c6115b9637ddaf42bec08b4068d64ba0ea1ff5add57d609c0898b27d4f7ba9f57f76ae11cf8980b8f9aeb9d37576

Download Submit
memory/4380-151-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4380-150-0x0000000004F00000-0x0000000004F10000-memory.dmp

Filesize
64KB

Download
memory/4380-149-0x0000000004DB0000-0x0000000004E16000-memory.dmp

Filesize
408KB

Download
memory/4380-146-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4536-136-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/4536-140-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/4536-139-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/4536-138-0x00000000052D0000-0x0000000005326000-memory.dmp

Filesize
344KB

Download
memory/4536-137-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/4536-133-0x0000000000690000-0x0000000000752000-memory.dmp

Filesize
776KB

Download
memory/4536-135-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/4536-134-0x0000000005130000-0x00000000051CC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads