xenorat | 929bd3290253659ed89c3331eb1792fd8b6dee75b0872e485bbcc4cf417566bc

Analysis

max time kernel
130s
max time network
144s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-07-2024 20:42

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General

Target

windows_update.exe
Size

108KB
MD5

a6ea9e37bd47303cac85f331e64838a8
SHA1

a265b9cfbcef84980e2d2e1d11cd7b1097396297
SHA256

929bd3290253659ed89c3331eb1792fd8b6dee75b0872e485bbcc4cf417566bc
SHA512

a7615b9d24065132cf467386fed3ff273da2e6af71a48e150b0dca4437c2ed0eb9693fff51ae33f3dee1f195e15311469063527f779135f54ab07573b040c52d
SSDEEP

1536:mmiY0ryGXrOvCRq0wj4RcIVIbEAvYaueXe:mmiY0jKT02bEA51e

Score

10^/10

xenorat discovery rat trojan

Malware Config

Extracted

Family

xenorat

192.168.30.131

Mutex

Microsoft Inc

Attributes

delay
5000
install_path
temp
port
9099
startup_name
nothingset

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2144	windows_update.exe

Loads dropped DLL 1 IoCs

pid	Process
836	windows_update.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 2 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	windows_update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windows_update.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 2144	836	windows_update.exe	30
PID 836 wrote to memory of 2144	836	windows_update.exe	30
PID 836 wrote to memory of 2144	836	windows_update.exe	30
PID 836 wrote to memory of 2144	836	windows_update.exe	30
PID 836 wrote to memory of 2144	836	windows_update.exe	30
PID 836 wrote to memory of 2144	836	windows_update.exe	30
PID 836 wrote to memory of 2144	836	windows_update.exe	30

C:\Users\Admin\AppData\Local\Temp\windows_update.exe
"C:\Users\Admin\AppData\Local\Temp\windows_update.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:836
- C:\Users\Admin\AppData\Local\Temp\XenoManager\windows_update.exe
  "C:\Users\Admin\AppData\Local\Temp\XenoManager\windows_update.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\XenoManager\windows_update.exe

Filesize
108KB

MD5
a6ea9e37bd47303cac85f331e64838a8

SHA1
a265b9cfbcef84980e2d2e1d11cd7b1097396297

SHA256
929bd3290253659ed89c3331eb1792fd8b6dee75b0872e485bbcc4cf417566bc

SHA512
a7615b9d24065132cf467386fed3ff273da2e6af71a48e150b0dca4437c2ed0eb9693fff51ae33f3dee1f195e15311469063527f779135f54ab07573b040c52d

Download Submit
memory/836-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/836-1-0x0000000000AC0000-0x0000000000AE0000-memory.dmp

Filesize
128KB

Download
memory/2144-9-0x0000000000FA0000-0x0000000000FC0000-memory.dmp

Filesize
128KB

Download
memory/2144-10-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2144-11-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2144-12-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2144-13-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download