limerat | f46f42d48bccbc1ddf2758cac437b81e6d6c6d3e920d29ef2cbe627cc6a5f89f

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
14-03-2024 07:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c819e2b4d2c91d98aae0304c1ff5aa38.exe
Size

1.1MB
MD5

c819e2b4d2c91d98aae0304c1ff5aa38
SHA1

5bf1b2d544e7e4cce5f082d19e5e48def970bb83
SHA256

f46f42d48bccbc1ddf2758cac437b81e6d6c6d3e920d29ef2cbe627cc6a5f89f
SHA512

cfa54d31df64f8776d12696b59368eee5653c2249429f771f79565c30a3f652331f8ec24638cd2c522bd4d8a32682634a3d3c0b518ad3ce4e923fcb5916beeda
SSDEEP

24576:4AHnh+eWsN3skA4RV1Hom2KXMmHa97aWtjzjFtuM25t:/h+ZkldoPK8Ya971XjFtAt

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
2504	sdchange.exe
1264	sdchange.exe
1588	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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	RegAsm.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x000d000000014267-12.dat	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 1728	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	28
PID 2504 set thread context of 2588	2504	sdchange.exe	33
PID 1264 set thread context of 1684	1264	sdchange.exe	40
PID 1588 set thread context of 2212	1588	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
1972	schtasks.exe
2536	schtasks.exe
240	schtasks.exe
1252	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	RegAsm.exe
Token: SeDebugPrivilege	1728	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1728	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	28
PID 2020 wrote to memory of 1728	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	28
PID 2020 wrote to memory of 1728	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	28
PID 2020 wrote to memory of 1728	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	28
PID 2020 wrote to memory of 1728	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	28
PID 2020 wrote to memory of 1728	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	28
PID 2020 wrote to memory of 1728	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	28
PID 2020 wrote to memory of 1728	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	28
PID 2020 wrote to memory of 1728	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	28
PID 2020 wrote to memory of 1972	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	29
PID 2020 wrote to memory of 1972	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	29
PID 2020 wrote to memory of 1972	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	29
PID 2020 wrote to memory of 1972	2020	c819e2b4d2c91d98aae0304c1ff5aa38.exe	29
PID 2200 wrote to memory of 2504	2200	taskeng.exe	32
PID 2200 wrote to memory of 2504	2200	taskeng.exe	32
PID 2200 wrote to memory of 2504	2200	taskeng.exe	32
PID 2200 wrote to memory of 2504	2200	taskeng.exe	32
PID 2504 wrote to memory of 2588	2504	sdchange.exe	33
PID 2504 wrote to memory of 2588	2504	sdchange.exe	33
PID 2504 wrote to memory of 2588	2504	sdchange.exe	33
PID 2504 wrote to memory of 2588	2504	sdchange.exe	33
PID 2504 wrote to memory of 2588	2504	sdchange.exe	33
PID 2504 wrote to memory of 2588	2504	sdchange.exe	33
PID 2504 wrote to memory of 2588	2504	sdchange.exe	33
PID 2504 wrote to memory of 2588	2504	sdchange.exe	33
PID 2504 wrote to memory of 2588	2504	sdchange.exe	33
PID 2504 wrote to memory of 2536	2504	sdchange.exe	34
PID 2504 wrote to memory of 2536	2504	sdchange.exe	34
PID 2504 wrote to memory of 2536	2504	sdchange.exe	34
PID 2504 wrote to memory of 2536	2504	sdchange.exe	34
PID 2200 wrote to memory of 1264	2200	taskeng.exe	39
PID 2200 wrote to memory of 1264	2200	taskeng.exe	39
PID 2200 wrote to memory of 1264	2200	taskeng.exe	39
PID 2200 wrote to memory of 1264	2200	taskeng.exe	39
PID 1264 wrote to memory of 1684	1264	sdchange.exe	40
PID 1264 wrote to memory of 1684	1264	sdchange.exe	40
PID 1264 wrote to memory of 1684	1264	sdchange.exe	40
PID 1264 wrote to memory of 1684	1264	sdchange.exe	40
PID 1264 wrote to memory of 1684	1264	sdchange.exe	40
PID 1264 wrote to memory of 1684	1264	sdchange.exe	40
PID 1264 wrote to memory of 1684	1264	sdchange.exe	40
PID 1264 wrote to memory of 1684	1264	sdchange.exe	40
PID 1264 wrote to memory of 1684	1264	sdchange.exe	40
PID 1264 wrote to memory of 240	1264	sdchange.exe	41
PID 1264 wrote to memory of 240	1264	sdchange.exe	41
PID 1264 wrote to memory of 240	1264	sdchange.exe	41
PID 1264 wrote to memory of 240	1264	sdchange.exe	41
PID 2200 wrote to memory of 1588	2200	taskeng.exe	43
PID 2200 wrote to memory of 1588	2200	taskeng.exe	43
PID 2200 wrote to memory of 1588	2200	taskeng.exe	43
PID 2200 wrote to memory of 1588	2200	taskeng.exe	43
PID 1588 wrote to memory of 2212	1588	sdchange.exe	44
PID 1588 wrote to memory of 2212	1588	sdchange.exe	44
PID 1588 wrote to memory of 2212	1588	sdchange.exe	44
PID 1588 wrote to memory of 2212	1588	sdchange.exe	44
PID 1588 wrote to memory of 2212	1588	sdchange.exe	44
PID 1588 wrote to memory of 2212	1588	sdchange.exe	44
PID 1588 wrote to memory of 2212	1588	sdchange.exe	44
PID 1588 wrote to memory of 2212	1588	sdchange.exe	44
PID 1588 wrote to memory of 2212	1588	sdchange.exe	44
PID 1588 wrote to memory of 1252	1588	sdchange.exe	45
PID 1588 wrote to memory of 1252	1588	sdchange.exe	45
PID 1588 wrote to memory of 1252	1588	sdchange.exe	45
PID 1588 wrote to memory of 1252	1588	sdchange.exe	45

C:\Users\Admin\AppData\Local\Temp\c819e2b4d2c91d98aae0304c1ff5aa38.exe
"C:\Users\Admin\AppData\Local\Temp\c819e2b4d2c91d98aae0304c1ff5aa38.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020
- 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:1728
- 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:1972

C:\Windows\system32\taskeng.exe
taskeng.exe {19F93AAD-5AF1-472A-8BA8-6006DBF6AEAD} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2200
- 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:2504
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:2588
- - 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:2536
- 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:1264
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:1684
- - 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:240
- 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:1588
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
    3⤵
    PID:2212
- - 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:1252

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

Replay Monitor

Loading Replay Monitor...

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\TarB3FC.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

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

Filesize
1.1MB

MD5
422e25352d7ca91bea1753312de65466

SHA1
aebcddda6623d1e44a47d88866f4f3c24c15bf44

SHA256
3bd47218aa5e92140b982b30ef5f5160a6b6ce06b8a817af5a3346e0609e8fe3

SHA512
cac08f8e5a8d75486860d83d92580d7bba133dae5f8067fe271b74864458f5e474814860a64b47bb661215e474c2c1528a03e0f83c36167dc005e97b7c8f36f5

Download Submit
memory/1684-74-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/1684-73-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/1728-62-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/1728-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1728-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1728-11-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/1728-1-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1728-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1728-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2020-0-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2212-85-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/2212-84-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/2212-80-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2588-21-0x0000000000090000-0x000000000009C000-memory.dmp

Filesize
48KB

Download
memory/2588-24-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/2588-23-0x0000000074110000-0x00000000746BB000-memory.dmp

Filesize
5.7MB

Download
memory/2588-22-0x0000000000090000-0x000000000009C000-memory.dmp

Filesize
48KB

Download
memory/2588-16-0x0000000000090000-0x000000000009C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads