xenorat | 6185e375599f40eb19cc5464cd33b388e2b42a0dbf065a67bb395757291d5080

Analysis

max time kernel
138s
max time network
157s
platform
windows10-1703_x64
resource
win10-20240221-en
resource tags

arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
submitted
27/03/2024, 07:45

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General

Target

AuthClient.exe
Size

45KB
MD5

de382ff81756934ba776279c448a37b1
SHA1

de6741ec906099d79b5c430c210725d534b13440
SHA256

6185e375599f40eb19cc5464cd33b388e2b42a0dbf065a67bb395757291d5080
SHA512

8be70b011694df2b9031c9483170d8191647a86a843f82d083d0ddd67da4baa25137da3334d1582d5bada4f8e6f3b2d3a13db755d293f2d52aca7aff1aaad73c
SSDEEP

768:MdhO/poiiUcjlJInSmH9Xqk5nWEZ5SbTDaIuI7CPW5f:Gw+jjgn5H9XqcnW85SbT1uIn

Score

10^/10

xenorat rat spyware stealer trojan

Malware Config

Extracted

Family

xenorat

Vallithebest-32755.portmap.host

Mutex

Xeno_rat_nd8912d

Attributes

delay
2000
install_path
appdata
port
32755
startup_name
AuthClientV2

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
4156	AuthClient.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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.

persistence

Scheduled Task/Job

T1053

pid	Process
60	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe
4156	AuthClient.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4156	AuthClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4156	AuthClient.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 4156	2252	AuthClient.exe	73
PID 2252 wrote to memory of 4156	2252	AuthClient.exe	73
PID 2252 wrote to memory of 4156	2252	AuthClient.exe	73
PID 4156 wrote to memory of 60	4156	AuthClient.exe	74
PID 4156 wrote to memory of 60	4156	AuthClient.exe	74
PID 4156 wrote to memory of 60	4156	AuthClient.exe	74

C:\Users\Admin\AppData\Local\Temp\AuthClient.exe
"C:\Users\Admin\AppData\Local\Temp\AuthClient.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Roaming\XenoManager\AuthClient.exe
  "C:\Users\Admin\AppData\Roaming\XenoManager\AuthClient.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4156
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /Create /TN "AuthClientV2" /XML "C:\Users\Admin\AppData\Local\Temp\tmp90E6.tmp" /F
    3⤵
    - Creates scheduled task(s)
    PID:60

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
226B

MD5
957779c42144282d8cd83192b8fbc7cf

SHA1
de83d08d2cca06b9ff3d1ef239d6b60b705d25fe

SHA256
0d7ca7ba65e2b465e4878e324ceab8f8981f5ec06dcf5bc32559a4467a9c7d51

SHA512
f1549c61b4f2906d13b2aabb74772c2bc826cd42373d7bb6c48cbb125d5aa2ec17617e6b5e67e8aae3bb5790cc831cdba48a45008ed01df4fba8be448cce39fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp90E6.tmp

Filesize
1KB

MD5
4dd04cfa7ab46782f28022890c1434c0

SHA1
c14317c1b75b82a85f3a9782048f8a28e6577ff1

SHA256
0ef989b1db3295837b8aa83585eed3193823e1a385ee3fb8c4d762ed22f8b94e

SHA512
a574b11af438005021c25ba721d09fca8a081e28c5641b021af85c2a9177fd685884c08e1e29c18b23913dcd7ab200717462f1f5291645448ab5184d5d33db79

Download Submit
C:\Users\Admin\AppData\Roaming\XenoManager\AuthClient.exe

Filesize
45KB

MD5
de382ff81756934ba776279c448a37b1

SHA1
de6741ec906099d79b5c430c210725d534b13440

SHA256
6185e375599f40eb19cc5464cd33b388e2b42a0dbf065a67bb395757291d5080

SHA512
8be70b011694df2b9031c9483170d8191647a86a843f82d083d0ddd67da4baa25137da3334d1582d5bada4f8e6f3b2d3a13db755d293f2d52aca7aff1aaad73c

Download Submit
memory/2252-1-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2252-9-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2252-0-0x0000000000A10000-0x0000000000A22000-memory.dmp

Filesize
72KB

Download
memory/4156-16-0x0000000000D70000-0x0000000000D80000-memory.dmp

Filesize
64KB

Download
memory/4156-19-0x0000000005430000-0x0000000005480000-memory.dmp

Filesize
320KB

Download
memory/4156-14-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/4156-15-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/4156-10-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/4156-17-0x0000000005E00000-0x0000000005EFA000-memory.dmp

Filesize
1000KB

Download
memory/4156-18-0x00000000060D0000-0x0000000006292000-memory.dmp

Filesize
1.8MB

Download
memory/4156-11-0x0000000000D70000-0x0000000000D80000-memory.dmp

Filesize
64KB

Download
memory/4156-20-0x0000000005C40000-0x0000000005CB6000-memory.dmp

Filesize
472KB

Download
memory/4156-21-0x00000000067D0000-0x0000000006CFC000-memory.dmp

Filesize
5.2MB

Download
memory/4156-22-0x0000000006000000-0x000000000601E000-memory.dmp

Filesize
120KB

Download
memory/4156-24-0x00000000062A0000-0x000000000633C000-memory.dmp

Filesize
624KB

Download
memory/4156-39-0x00000000054D0000-0x00000000054DC000-memory.dmp

Filesize
48KB

Download
memory/4156-40-0x0000000007200000-0x00000000076FE000-memory.dmp

Filesize
5.0MB

Download
memory/4156-41-0x0000000006610000-0x00000000066A2000-memory.dmp

Filesize
584KB

Download
memory/4156-42-0x00000000065F0000-0x00000000065FA000-memory.dmp

Filesize
40KB

Download