xenorat | 5ddc9bb25c94d9a41c1c2faaa25f345fe742a9d915326dd028082fbefb1929f9

Analysis

max time kernel
9s
max time network
10s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 23:02

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General

Target

eulen.exe
Size

45KB
MD5

5a27794bcc19355cd3bf7b2c1be74390
SHA1

513786fdca0daa216233a6ca0a76f5e3eb091e8b
SHA256

5ddc9bb25c94d9a41c1c2faaa25f345fe742a9d915326dd028082fbefb1929f9
SHA512

694553f6c0310351248323e076d69599a89e996b3977d6f8b253128419c750008609c3b4164c72a686854cbc9232a5655394e394843be77b584238d6373b1cd1
SSDEEP

768:WdhO/poiiUcjlJInJ4yH9Xqk5nWEZ5SbTDaqqWI7CPW5t:Aw+jjgneyH9XqcnW85SbTBqWIl

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

147.185.221.25

Mutex

Eulen

Attributes

delay
5000
install_path
temp
port
18889
startup_name
Update

Signatures

Detect XenoRat Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1332-1-0x0000000000290000-0x00000000002A2000-memory.dmp	family_xenorat
behavioral1/files/0x0007000000023c9b-6.dat	family_xenorat

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

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	eulen.exe

Executes dropped EXE 1 IoCs

pid	Process
408	eulen.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eulen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eulen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2172	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 408	1332	eulen.exe	83
PID 1332 wrote to memory of 408	1332	eulen.exe	83
PID 1332 wrote to memory of 408	1332	eulen.exe	83
PID 408 wrote to memory of 2172	408	eulen.exe	85
PID 408 wrote to memory of 2172	408	eulen.exe	85
PID 408 wrote to memory of 2172	408	eulen.exe	85

C:\Users\Admin\AppData\Local\Temp\eulen.exe
"C:\Users\Admin\AppData\Local\Temp\eulen.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1332
- C:\Users\Admin\AppData\Local\Temp\XenoManager\eulen.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\eulen.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:408
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "Update" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAF2C.tmp" /F
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
226B

MD5
916851e072fbabc4796d8916c5131092

SHA1
d48a602229a690c512d5fdaf4c8d77547a88e7a2

SHA256
7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

SHA512
07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

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

Filesize
45KB

MD5
5a27794bcc19355cd3bf7b2c1be74390

SHA1
513786fdca0daa216233a6ca0a76f5e3eb091e8b

SHA256
5ddc9bb25c94d9a41c1c2faaa25f345fe742a9d915326dd028082fbefb1929f9

SHA512
694553f6c0310351248323e076d69599a89e996b3977d6f8b253128419c750008609c3b4164c72a686854cbc9232a5655394e394843be77b584238d6373b1cd1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAF2C.tmp

Filesize
1KB

MD5
89dc616a1bd6468611d1519a7a59cc6a

SHA1
ad4a7de6aa7c8b03f4b900ca306c8885f44adf58

SHA256
c98cf4e9c0641617e4df28ce0a0f294939fa0027c14d18d6952d1c6a5f84282c

SHA512
b1e39c66cfac7da9b2adb1051e4b64f8ae0f2f35cddcb5e0852ae0e9d6448ecde519a466e4a229669c1de7bf49c4ff3ad59fbbe0b370ad908e7d31b3141ef017

Download Submit
memory/408-15-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/1332-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/1332-1-0x0000000000290000-0x00000000002A2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads