xenorat | e37a490b9054a88c18f41fda4c579a8d2546b790386b98b520bd639c687ba7b2 | Triage

Analysis

max time kernel
139s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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

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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	dsf.exe

Executes dropped EXE 1 IoCs

pid	Process
1380	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
3112	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 872 wrote to memory of 1380	872	dsf.exe	85
PID 872 wrote to memory of 1380	872	dsf.exe	85
PID 872 wrote to memory of 1380	872	dsf.exe	85
PID 1380 wrote to memory of 3112	1380	dsf.exe	88
PID 1380 wrote to memory of 3112	1380	dsf.exe	88
PID 1380 wrote to memory of 3112	1380	dsf.exe	88

C:\Users\Admin\AppData\Local\Temp\dsf.exe
"C:\Users\Admin\AppData\Local\Temp\dsf.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:872
- 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:1380
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "WindowsClient" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B63.tmp" /F
    3⤵
    - Creates scheduled task(s)
    PID:3112

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\dsf.exe.log

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

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\tmp3B63.tmp

Filesize
1KB

MD5
ec7eefe5bca44cca1be056cfe4016537

SHA1
7ce761d72ac71b1b4b661055cc833eb8e832387b

SHA256
f2ec7f463528561df9c96d4329ef9f93d1cbe86fb0a0bd59f1a37ba9180b1fca

SHA512
7077cc92b1916a04560d873789898d98f918d3fa1df1b75cad5482ac88b4a51fe13d74e586ba7e9325e2070261380547bff2642edce5c8fa4940411b7628babb

Download Submit
memory/872-0-0x00000000743EE000-0x00000000743EF000-memory.dmp

Filesize
4KB

Download
memory/872-1-0x00000000009D0000-0x00000000009E2000-memory.dmp

Filesize
72KB

Download
memory/1380-15-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/1380-16-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/1380-19-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/1380-20-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download