limerat | fbf0388628cb2dfc1457adee1af6c5ca5ba58338f9e80b5fc496a5ead2e8c8ea

General

Target

12cb486e08aceea42a1d3a2ce7eaea69.exe
Size

888KB
MD5

12cb486e08aceea42a1d3a2ce7eaea69
SHA1

00dddccfb0d47c296db963ae91cd9530dde9e61c
SHA256

fbf0388628cb2dfc1457adee1af6c5ca5ba58338f9e80b5fc496a5ead2e8c8ea
SHA512

d4577f9189388e0d74217120ef65233ceeba8b9b71c38f6b1346f2faec8d1df18a47d96f94f9e3eedfb7dbe245b63f0e121dd2ad83aaa03f3fb9982edad193c4
SSDEEP

12288:vRu10z5N3Sy5/dehF8ACG0EJKjS+UPweBMW+FEyXeiksBEc:vQSNiy5/dGoRtjSFPw7JFVS/

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

bc1qqzgu92ktr9qnz4z8uwxkkndtapv76wn3hxt9j4

Attributes

aes_key
limerat
antivm
false
c2_url
https://pastebin.com/raw/2JryzqpH
delay
3
download_payload
false
install
false
install_name
Wservices.exe
main_folder
Temp
pin_spread
false
sub_folder
\
usb_spread
false

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/2JryzqpH
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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/672-7-0x0000000005C30000-0x0000000005C42000-memory.dmp	CustAttr

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:

12cb486e08aceea42a1d3a2ce7eaea69.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	12cb486e08aceea42a1d3a2ce7eaea69.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious use of SetThreadContext 1 IoCs

Processes:

12cb486e08aceea42a1d3a2ce7eaea69.exe

description pid process target process

PID 672 set thread context of 1472 672 12cb486e08aceea42a1d3a2ce7eaea69.exe 12cb486e08aceea42a1d3a2ce7eaea69.exe
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

348 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

12cb486e08aceea42a1d3a2ce7eaea69.exe

description pid process

Token: SeDebugPrivilege 1472 12cb486e08aceea42a1d3a2ce7eaea69.exe
Token: SeDebugPrivilege 1472 12cb486e08aceea42a1d3a2ce7eaea69.exe

description	pid	process	target process
PID 672 set thread context of 1472	672	12cb486e08aceea42a1d3a2ce7eaea69.exe	12cb486e08aceea42a1d3a2ce7eaea69.exe

pid	process
348	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1472	12cb486e08aceea42a1d3a2ce7eaea69.exe
Token: SeDebugPrivilege	1472	12cb486e08aceea42a1d3a2ce7eaea69.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

12cb486e08aceea42a1d3a2ce7eaea69.exe

description	pid	process	target process
PID 672 wrote to memory of 348	672	12cb486e08aceea42a1d3a2ce7eaea69.exe	schtasks.exe
PID 672 wrote to memory of 348	672	12cb486e08aceea42a1d3a2ce7eaea69.exe	schtasks.exe
PID 672 wrote to memory of 348	672	12cb486e08aceea42a1d3a2ce7eaea69.exe	schtasks.exe
PID 672 wrote to memory of 1472	672	12cb486e08aceea42a1d3a2ce7eaea69.exe	12cb486e08aceea42a1d3a2ce7eaea69.exe
PID 672 wrote to memory of 1472	672	12cb486e08aceea42a1d3a2ce7eaea69.exe	12cb486e08aceea42a1d3a2ce7eaea69.exe
PID 672 wrote to memory of 1472	672	12cb486e08aceea42a1d3a2ce7eaea69.exe	12cb486e08aceea42a1d3a2ce7eaea69.exe
PID 672 wrote to memory of 1472	672	12cb486e08aceea42a1d3a2ce7eaea69.exe	12cb486e08aceea42a1d3a2ce7eaea69.exe
PID 672 wrote to memory of 1472	672	12cb486e08aceea42a1d3a2ce7eaea69.exe	12cb486e08aceea42a1d3a2ce7eaea69.exe
PID 672 wrote to memory of 1472	672	12cb486e08aceea42a1d3a2ce7eaea69.exe	12cb486e08aceea42a1d3a2ce7eaea69.exe
PID 672 wrote to memory of 1472	672	12cb486e08aceea42a1d3a2ce7eaea69.exe	12cb486e08aceea42a1d3a2ce7eaea69.exe

C:\Users\Admin\AppData\Local\Temp\12cb486e08aceea42a1d3a2ce7eaea69.exe
"C:\Users\Admin\AppData\Local\Temp\12cb486e08aceea42a1d3a2ce7eaea69.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:672
- C:\Users\Admin\AppData\Local\Temp\12cb486e08aceea42a1d3a2ce7eaea69.exe
  "C:\Users\Admin\AppData\Local\Temp\12cb486e08aceea42a1d3a2ce7eaea69.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1472
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SCclfRHuzjh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFC32.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:348

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\12cb486e08aceea42a1d3a2ce7eaea69.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFC32.tmp

Filesize
1KB

MD5
69478020c2a8d633873a585eb2765e65

SHA1
c3b1e6d9049423498d1a10e73838de50b4928a51

SHA256
5fe5c2cd62b4f1ef75f63ffb369afedfddb0ac5dae492322b5bc010c7b19d698

SHA512
6cea136c326d2ac16e9d159279d4545e429cd57bd44e5063918db53c1eae75c2d02eadaf84d0ea91f2c486850ee35494d92aea44ea33d172643c2fe3b96490d0

Download Submit
memory/672-11-0x0000000006F70000-0x0000000006F7C000-memory.dmp

Filesize
48KB

Download
memory/672-10-0x00000000071B0000-0x0000000007230000-memory.dmp

Filesize
512KB

Download
memory/672-5-0x00000000059B0000-0x00000000059C0000-memory.dmp

Filesize
64KB

Download
memory/672-6-0x0000000005980000-0x000000000598A000-memory.dmp

Filesize
40KB

Download
memory/672-1-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/672-7-0x0000000005C30000-0x0000000005C42000-memory.dmp

Filesize
72KB

Download
memory/672-8-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/672-9-0x00000000059B0000-0x00000000059C0000-memory.dmp

Filesize
64KB

Download
memory/672-0-0x0000000000DF0000-0x0000000000ED4000-memory.dmp

Filesize
912KB

Download
memory/672-4-0x0000000005A00000-0x0000000005A9C000-memory.dmp

Filesize
624KB

Download
memory/672-3-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/672-2-0x0000000005DC0000-0x0000000006364000-memory.dmp

Filesize
5.6MB

Download
memory/672-20-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/1472-17-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1472-21-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/1472-22-0x00000000056A0000-0x0000000005706000-memory.dmp

Filesize
408KB

Download
memory/1472-23-0x00000000055C0000-0x00000000055D0000-memory.dmp

Filesize
64KB

Download
memory/1472-24-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/1472-25-0x00000000055C0000-0x00000000055D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads