ea185287426ba75b8934f7a60944dab61a0d806382f6484417a9121a0d4ab088 | Triage

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2024 11:51

Sharing

Report Analysis Logs

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 4 IoCs

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

resource	yara_rule
behavioral3/memory/1044-0-0x00000000004C0000-0x00000000004D0000-memory.dmp	XenoRAT
behavioral3/files/0x00090000000231f0-6.dat	XenoRAT
behavioral3/memory/4888-17-0x0000000005320000-0x0000000005330000-memory.dmp	XenoRAT
behavioral3/memory/4888-21-0x0000000005320000-0x0000000005330000-memory.dmp	XenoRAT

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	LoaderAsset.exe

Executes dropped EXE 1 IoCs

pid	Process
4888	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
3696	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 4888	1044	LoaderAsset.exe	84
PID 1044 wrote to memory of 4888	1044	LoaderAsset.exe	84
PID 1044 wrote to memory of 4888	1044	LoaderAsset.exe	84
PID 4888 wrote to memory of 3696	4888	LoaderAsset.exe	89
PID 4888 wrote to memory of 3696	4888	LoaderAsset.exe	89
PID 4888 wrote to memory of 3696	4888	LoaderAsset.exe	89

C:\Users\Admin\AppData\Local\Temp\LoaderAsset.exe
"C:\Users\Admin\AppData\Local\Temp\LoaderAsset.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1044
- 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:4888
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "WindowsUpdate" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5709.tmp" /F
    3⤵
    - Creates scheduled task(s)
    PID:3696

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

Query Registry

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
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5709.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/1044-0-0x00000000004C0000-0x00000000004D0000-memory.dmp

Filesize
64KB

Download
memory/1044-1-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/1044-15-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/4888-16-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/4888-17-0x0000000005320000-0x0000000005330000-memory.dmp

Filesize
64KB

Download
memory/4888-20-0x0000000074FE0000-0x0000000075790000-memory.dmp

Filesize
7.7MB

Download
memory/4888-21-0x0000000005320000-0x0000000005330000-memory.dmp

Filesize
64KB

Download