xenorat | e37a490b9054a88c18f41fda4c579a8d2546b790386b98b520bd639c687ba7b2 | Triage

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
04-05-2024 17:52

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General

Target

dsf.exe
Size

45KB
MD5

78d4c2bd8fdeca5de7dda407fe6c816b
SHA1

d9a2dd3b6e150c2fba96384cdbec3d08c10c381e
SHA256

e37a490b9054a88c18f41fda4c579a8d2546b790386b98b520bd639c687ba7b2
SHA512

4325dd1c53a9381ba6b34b09342640c6c6ba3db6906128bea810c2d03b485846022c1e790f86e641978cf043b772c070aa403d0f2770b1329360de8331c5b52b
SSDEEP

768:NdhO/poiiUcjlJInOaH9Xqk5nWEZ5SbTDa1uI7CPW5c:Dw+jjgnJH9XqcnW85SbTguIk

Score

10^/10

xenorat rat trojan

Malware Config

Extracted

Family

xenorat

C2

perlaa-63123.portmap.host

Mutex

Xeno_rat_nd8912d

Attributes

delay
1000
install_path
temp
port
63123
startup_name
WindowsClient

Signatures

XenorRat
XenorRat is a remote access trojan written in C#.
trojan rat xenorat

Executes dropped EXE 1 IoCs

pid	Process
3412	dsf.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
4272	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 3412	1788	dsf.exe	78
PID 1788 wrote to memory of 3412	1788	dsf.exe	78
PID 1788 wrote to memory of 3412	1788	dsf.exe	78
PID 3412 wrote to memory of 4272	3412	dsf.exe	79
PID 3412 wrote to memory of 4272	3412	dsf.exe	79
PID 3412 wrote to memory of 4272	3412	dsf.exe	79

C:\Users\Admin\AppData\Local\Temp\dsf.exe
"C:\Users\Admin\AppData\Local\Temp\dsf.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Users\Admin\AppData\Local\Temp\XenoManager\dsf.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\dsf.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3412
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "WindowsClient" /XML "C:\Users\Admin\AppData\Local\Temp\tmp56AB.tmp" /F
    3⤵
    - Creates scheduled task(s)
    PID:4272

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\dsf.exe.log

Filesize
226B

MD5
1294de804ea5400409324a82fdc7ec59

SHA1
9a39506bc6cadf99c1f2129265b610c69d1518f7

SHA256
494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0

SHA512
033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\XenoManager\dsf.exe

Filesize
45KB

MD5
78d4c2bd8fdeca5de7dda407fe6c816b

SHA1
d9a2dd3b6e150c2fba96384cdbec3d08c10c381e

SHA256
e37a490b9054a88c18f41fda4c579a8d2546b790386b98b520bd639c687ba7b2

SHA512
4325dd1c53a9381ba6b34b09342640c6c6ba3db6906128bea810c2d03b485846022c1e790f86e641978cf043b772c070aa403d0f2770b1329360de8331c5b52b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp56AB.tmp

Filesize
1KB

MD5
ec7eefe5bca44cca1be056cfe4016537

SHA1
7ce761d72ac71b1b4b661055cc833eb8e832387b

SHA256
f2ec7f463528561df9c96d4329ef9f93d1cbe86fb0a0bd59f1a37ba9180b1fca

SHA512
7077cc92b1916a04560d873789898d98f918d3fa1df1b75cad5482ac88b4a51fe13d74e586ba7e9325e2070261380547bff2642edce5c8fa4940411b7628babb

Download Submit
memory/1788-0-0x00000000751BE000-0x00000000751BF000-memory.dmp

Filesize
4KB

Download
memory/1788-1-0x0000000000740000-0x0000000000752000-memory.dmp

Filesize
72KB

Download
memory/3412-15-0x00000000751B0000-0x0000000075961000-memory.dmp

Filesize
7.7MB

Download
memory/3412-18-0x00000000751B0000-0x0000000075961000-memory.dmp

Filesize
7.7MB

Download