limerat | a3347937b18828817414419e8d01ff32c7eea9090cf0d98a1074fbd38160398f

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07-03-2024 13:47

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General

Target

b8e0c2a24d5cf91635ea9ba58a6a05f5.exe
Size

1.1MB
MD5

b8e0c2a24d5cf91635ea9ba58a6a05f5
SHA1

29682af8815a0392780aa51ae3259ced1894e590
SHA256

a3347937b18828817414419e8d01ff32c7eea9090cf0d98a1074fbd38160398f
SHA512

049acf8c821309fd6bae067e6966ba91d776ed95bf6105f8cfd5e99c275df2e40f5f44eb83a445a34321d8174f7d784e50e9dd5ee8e1fd2ff948d930cc714f1b
SSDEEP

24576:4AHnh+eWsN3skA4RV1Hom2KXMmHa97aWtjzjFtuM253:/h+ZkldoPK8Ya971XjFtA3

Score

10^/10

limerat rat

Malware Config

Extracted

Family

limerat

Wallets

1JBKLGyE6AnRGvk92A8x3m8qmXfh3fcEty

Attributes

aes_key
nulled
antivm
true
c2_url
https://pastebin.com/raw/cXuQ0V20
delay
3
download_payload
false
install
false
install_name
Winservices.exe
main_folder
AppData
pin_spread
false
sub_folder
\
usb_spread
true

Extracted

Family

limerat

Attributes

antivm
false
c2_url
https://pastebin.com/raw/cXuQ0V20
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

Executes dropped EXE 3 IoCs

pid	Process
2612	sdchange.exe
900	sdchange.exe
1420	sdchange.exe

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

Web Service

T1102

flow	ioc
2	pastebin.com
3	pastebin.com

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	RegAsm.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000b000000015a2d-12.dat	autoit_exe
behavioral1/files/0x000b000000015a2d-74.dat	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 2240	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	28
PID 2612 set thread context of 2684	2612	sdchange.exe	34
PID 900 set thread context of 2912	900	sdchange.exe	40
PID 1420 set thread context of 2260	1420	sdchange.exe	44

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 4 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1388	schtasks.exe
2560	schtasks.exe
1276	schtasks.exe
1288	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	RegAsm.exe
Token: SeDebugPrivilege	2240	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2240	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	28
PID 2172 wrote to memory of 2240	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	28
PID 2172 wrote to memory of 2240	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	28
PID 2172 wrote to memory of 2240	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	28
PID 2172 wrote to memory of 2240	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	28
PID 2172 wrote to memory of 2240	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	28
PID 2172 wrote to memory of 2240	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	28
PID 2172 wrote to memory of 2240	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	28
PID 2172 wrote to memory of 2240	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	28
PID 2172 wrote to memory of 1388	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	29
PID 2172 wrote to memory of 1388	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	29
PID 2172 wrote to memory of 1388	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	29
PID 2172 wrote to memory of 1388	2172	b8e0c2a24d5cf91635ea9ba58a6a05f5.exe	29
PID 2540 wrote to memory of 2612	2540	taskeng.exe	32
PID 2540 wrote to memory of 2612	2540	taskeng.exe	32
PID 2540 wrote to memory of 2612	2540	taskeng.exe	32
PID 2540 wrote to memory of 2612	2540	taskeng.exe	32
PID 2612 wrote to memory of 2684	2612	sdchange.exe	34
PID 2612 wrote to memory of 2684	2612	sdchange.exe	34
PID 2612 wrote to memory of 2684	2612	sdchange.exe	34
PID 2612 wrote to memory of 2684	2612	sdchange.exe	34
PID 2612 wrote to memory of 2684	2612	sdchange.exe	34
PID 2612 wrote to memory of 2684	2612	sdchange.exe	34
PID 2612 wrote to memory of 2684	2612	sdchange.exe	34
PID 2612 wrote to memory of 2684	2612	sdchange.exe	34
PID 2612 wrote to memory of 2684	2612	sdchange.exe	34
PID 2612 wrote to memory of 2560	2612	sdchange.exe	35
PID 2612 wrote to memory of 2560	2612	sdchange.exe	35
PID 2612 wrote to memory of 2560	2612	sdchange.exe	35
PID 2612 wrote to memory of 2560	2612	sdchange.exe	35
PID 2540 wrote to memory of 900	2540	taskeng.exe	39
PID 2540 wrote to memory of 900	2540	taskeng.exe	39
PID 2540 wrote to memory of 900	2540	taskeng.exe	39
PID 2540 wrote to memory of 900	2540	taskeng.exe	39
PID 900 wrote to memory of 2912	900	sdchange.exe	40
PID 900 wrote to memory of 2912	900	sdchange.exe	40
PID 900 wrote to memory of 2912	900	sdchange.exe	40
PID 900 wrote to memory of 2912	900	sdchange.exe	40
PID 900 wrote to memory of 2912	900	sdchange.exe	40
PID 900 wrote to memory of 2912	900	sdchange.exe	40
PID 900 wrote to memory of 2912	900	sdchange.exe	40
PID 900 wrote to memory of 2912	900	sdchange.exe	40
PID 900 wrote to memory of 2912	900	sdchange.exe	40
PID 900 wrote to memory of 1276	900	sdchange.exe	41
PID 900 wrote to memory of 1276	900	sdchange.exe	41
PID 900 wrote to memory of 1276	900	sdchange.exe	41
PID 900 wrote to memory of 1276	900	sdchange.exe	41
PID 2540 wrote to memory of 1420	2540	taskeng.exe	43
PID 2540 wrote to memory of 1420	2540	taskeng.exe	43
PID 2540 wrote to memory of 1420	2540	taskeng.exe	43
PID 2540 wrote to memory of 1420	2540	taskeng.exe	43
PID 1420 wrote to memory of 2260	1420	sdchange.exe	44
PID 1420 wrote to memory of 2260	1420	sdchange.exe	44
PID 1420 wrote to memory of 2260	1420	sdchange.exe	44
PID 1420 wrote to memory of 2260	1420	sdchange.exe	44
PID 1420 wrote to memory of 2260	1420	sdchange.exe	44
PID 1420 wrote to memory of 2260	1420	sdchange.exe	44
PID 1420 wrote to memory of 2260	1420	sdchange.exe	44
PID 1420 wrote to memory of 2260	1420	sdchange.exe	44
PID 1420 wrote to memory of 2260	1420	sdchange.exe	44
PID 1420 wrote to memory of 1288	1420	sdchange.exe	45
PID 1420 wrote to memory of 1288	1420	sdchange.exe	45
PID 1420 wrote to memory of 1288	1420	sdchange.exe	45
PID 1420 wrote to memory of 1288	1420	sdchange.exe	45

C:\Users\Admin\AppData\Local\Temp\b8e0c2a24d5cf91635ea9ba58a6a05f5.exe
"C:\Users\Admin\AppData\Local\Temp\b8e0c2a24d5cf91635ea9ba58a6a05f5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious use of AdjustPrivilegeToken
  PID:2240
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
  2⤵
  - Creates scheduled task(s)
  PID:1388

C:\Windows\system32\taskeng.exe
taskeng.exe {9C6CCCA6-7BE1-40BF-BE22-EEEEADEAB7B7} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\secinit\sdchange.exe
  C:\Users\Admin\secinit\sdchange.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:2684
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:2560
- C:\Users\Admin\secinit\sdchange.exe
  C:\Users\Admin\secinit\sdchange.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:900
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:2912
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:1276
- C:\Users\Admin\secinit\sdchange.exe
  C:\Users\Admin\secinit\sdchange.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:2260
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\SysWOW64\schtasks.exe" /create /tn SettingSyncHost /tr "C:\Users\Admin\secinit\sdchange.exe" /sc minute /mo 1 /F
    3⤵
    - Creates scheduled task(s)
    PID:1288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB1E9.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Users\Admin\secinit\sdchange.exe

Filesize
1.1MB

MD5
291a4c051541ebd7165ff1ebfe3debc9

SHA1
c1b5581f9b42fa00420bcd1de82c97a2521abf89

SHA256
42f40518f6c687a4d74f0c44dc763e77e50c68f53c9757966c12d074036e829e

SHA512
7e41b6ebef0ce6e993b8bb9294d7185f1bd459dc840f29d4a24099de685fed0e63306b066f69ad2399a339b356914ba6e8d80d725437434c1417da8138eed61f

Download Submit
C:\Users\Admin\secinit\sdchange.exe

Filesize
880KB

MD5
cebae8253666a83ca4cfea91f74f4f4d

SHA1
a6036658359742b0a141c8c75223862786315cb2

SHA256
c070ba60c36ede01b98a10241112ae7d6078c8bc51c0e47acc716816fa2fa104

SHA512
4308e6fd4e0552cbc24e19456bb7018e583c75e1397036d511103e268c7f14089c1aa13a48e56bb1258ff8f83f848fe6f08b88baa963e35cebbd29c655972d99

Download Submit
memory/2172-0-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2240-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2240-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2240-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2240-11-0x00000000738F0000-0x0000000073E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2240-1-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2240-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2240-61-0x00000000738F0000-0x0000000073E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2260-84-0x00000000738F0000-0x0000000073E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2260-83-0x00000000738F0000-0x0000000073E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2684-22-0x00000000738F0000-0x0000000073E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2684-23-0x00000000738F0000-0x0000000073E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2684-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2912-73-0x00000000738F0000-0x0000000073E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2912-72-0x00000000738F0000-0x0000000073E9B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads