ea185287426ba75b8934f7a60944dab61a0d806382f6484417a9121a0d4ab088 | Triage

Analysis

max time kernel
133s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20231215-en
resource tags

arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
submitted
01-02-2024 11:51

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General

Target

LoaderAsset.exe
Size

41KB
MD5

7da5bd364fc0a60a43ab4797f5042b7e
SHA1

815c770e5fbb4bb66c8652a14169e2f8ff8179b2
SHA256

aa28b0ff8badf57aaeeacd82f0d8c5fbbd28008449a3075d8a4da63890232418
SHA512

09abb47a3cdb124b4dbf7634e5075a76e9d9b69b1e45b7eaad613c9d886717377fb4cf32c1e699f1cb16463bcd739a826929c7c8c1d8c871828fbee12d0074b2
SSDEEP

768:Ya7HmiY7iDT6pKVNSiS0MMZlUvPa0KKR5sFbAgAbLcGWEYH5j:giY0TygtS0FZlUq0K+5sF8gAbLEEYR

Score

10^/10

rat

Malware Config

Signatures

Detects XenoRAT malware 3 IoCs

XenoRAT is an open-source remote access tool (RAT) developed in C#.

resource	yara_rule
behavioral4/memory/3148-0-0x0000000000C90000-0x0000000000CA0000-memory.dmp	XenoRAT
behavioral4/files/0x000300000002a80f-6.dat	XenoRAT
behavioral4/memory/3536-17-0x0000000004CD0000-0x0000000004CE0000-memory.dmp	XenoRAT

Executes dropped EXE 1 IoCs

pid	Process
3536	LoaderAsset.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.

Scheduled Task/Job

pid	Process
3668	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 3536	3148	LoaderAsset.exe	76
PID 3148 wrote to memory of 3536	3148	LoaderAsset.exe	76
PID 3148 wrote to memory of 3536	3148	LoaderAsset.exe	76
PID 3536 wrote to memory of 3668	3536	LoaderAsset.exe	77
PID 3536 wrote to memory of 3668	3536	LoaderAsset.exe	77
PID 3536 wrote to memory of 3668	3536	LoaderAsset.exe	77

C:\Users\Admin\AppData\Local\Temp\LoaderAsset.exe
"C:\Users\Admin\AppData\Local\Temp\LoaderAsset.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3148
- C:\Users\Admin\AppData\Roaming\XenoManager\LoaderAsset.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\LoaderAsset.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3536
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "WindowsUpdate" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F90.tmp" /F
    3⤵
    - Creates scheduled task(s)
    PID:3668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
226B

MD5
1294de804ea5400409324a82fdc7ec59

SHA1
9a39506bc6cadf99c1f2129265b610c69d1518f7

SHA256
494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0

SHA512
033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7F90.tmp

Filesize
1KB

MD5
32ae9f72423c2eca96a41f7d5a7593e5

SHA1
c66b9d0608448f0bd227408611343e4ba5ada953

SHA256
7cadd6ed5e838d00a13d1bbfff7044ca2ce41f11c328ed665c7482554c591666

SHA512
90251ea816aef4b0c89cd8ababa7092a92e55d82693a47bcece514e6a91ade5b6afbabb26a1d92d56912872182f65a7ba4f99673b13ebc7078b546f9326a9faa

Download Submit
C:\Users\Admin\AppData\Roaming\XenoManager\LoaderAsset.exe

Filesize
41KB

MD5
7da5bd364fc0a60a43ab4797f5042b7e

SHA1
815c770e5fbb4bb66c8652a14169e2f8ff8179b2

SHA256
aa28b0ff8badf57aaeeacd82f0d8c5fbbd28008449a3075d8a4da63890232418

SHA512
09abb47a3cdb124b4dbf7634e5075a76e9d9b69b1e45b7eaad613c9d886717377fb4cf32c1e699f1cb16463bcd739a826929c7c8c1d8c871828fbee12d0074b2

Download Submit
memory/3148-0-0x0000000000C90000-0x0000000000CA0000-memory.dmp

Filesize
64KB

Download
memory/3148-1-0x0000000074470000-0x0000000074C21000-memory.dmp

Filesize
7.7MB

Download
memory/3148-15-0x0000000074470000-0x0000000074C21000-memory.dmp

Filesize
7.7MB

Download
memory/3536-16-0x0000000074470000-0x0000000074C21000-memory.dmp

Filesize
7.7MB

Download
memory/3536-17-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

Filesize
64KB

Download
memory/3536-20-0x0000000074470000-0x0000000074C21000-memory.dmp

Filesize
7.7MB

Download
memory/3536-21-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

Filesize
64KB

Download