Overview
overview
10Static
static
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y... -.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of y...py.exe
windows11-21h2-x64
10a ton of ya/ya.exe
windows11-21h2-x64
10Analysis
-
max time kernel
299s -
max time network
300s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
02-05-2024 02:54
Behavioral task
behavioral1
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240419-en
Behavioral task
behavioral2
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240419-en
Behavioral task
behavioral3
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240419-en
Behavioral task
behavioral4
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240419-en
Behavioral task
behavioral5
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240419-en
Behavioral task
behavioral6
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240419-en
Behavioral task
behavioral7
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240419-en
Behavioral task
behavioral8
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240419-en
Behavioral task
behavioral9
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240419-en
Behavioral task
behavioral10
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240419-en
Behavioral task
behavioral11
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240426-en
Behavioral task
behavioral12
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240426-en
Behavioral task
behavioral13
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240426-en
Behavioral task
behavioral14
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240419-en
Behavioral task
behavioral15
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240426-en
Behavioral task
behavioral16
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
Resource
win11-20240426-en
Behavioral task
behavioral17
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy.exe
Resource
win11-20240419-en
Behavioral task
behavioral18
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy.exe
Resource
win11-20240426-en
Behavioral task
behavioral19
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy.exe
Resource
win11-20240426-en
Behavioral task
behavioral20
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy.exe
Resource
win11-20240419-en
Behavioral task
behavioral21
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy.exe
Resource
win11-20240419-en
Behavioral task
behavioral22
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy.exe
Resource
win11-20240426-en
Behavioral task
behavioral23
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy.exe
Resource
win11-20240419-en
Behavioral task
behavioral24
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy.exe
Resource
win11-20240419-en
Behavioral task
behavioral25
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy.exe
Resource
win11-20240419-en
Behavioral task
behavioral26
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy.exe
Resource
win11-20240426-en
Behavioral task
behavioral27
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy.exe
Resource
win11-20240426-en
Behavioral task
behavioral28
Sample
a ton of ya/ya - Copy - Copy - Copy - Copy.exe
Resource
win11-20240426-en
Behavioral task
behavioral29
Sample
a ton of ya/ya - Copy - Copy - Copy.exe
Resource
win11-20240419-en
Behavioral task
behavioral30
Sample
a ton of ya/ya - Copy - Copy.exe
Resource
win11-20240419-en
Behavioral task
behavioral31
Sample
a ton of ya/ya - Copy.exe
Resource
win11-20240419-en
Behavioral task
behavioral32
Sample
a ton of ya/ya.exe
Resource
win11-20240426-en
General
-
Target
a ton of ya/ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe
-
Size
63KB
-
MD5
222c2d239f4c8a1d73c736c9cc712807
-
SHA1
c3aa61bd6f8cc640bcfa74c40d9283c9c08c7b3c
-
SHA256
ff43049677c57277f12a1d97f02af3029d7b75b5ad40303a28f1b0452997969d
-
SHA512
1f2fea85e45e93916306c234b916d6b4b200dac9656e44f4555f825dd8677cb5e927bd5e7a74bf2fb2f6972a3e6e2d294a6104add162ba3d53a0e6cfedef6a02
-
SSDEEP
1536:tJc/5q1qoR5PDdAZcIED4VuCkbFybjQ9f0jQRmONww+W:7c/iqoJekbFEQ9W+mONP+W
Malware Config
Extracted
xworm
127.0.0.1:23638
209.25.140.1:5525:23638
bring-recorder.gl.at.ply.gg:23638
action-yesterday.gl.at.ply.gg:23638
147.185.221.19:23638
then-wheel.gl.at.ply.gg::23638
then-wheel.gl.at.ply.gg:23638
teen-modes.gl.at.ply.gg:23638
-
Install_directory
%LocalAppData%
-
install_file
uwumonster.exe
Signatures
-
Detect Xworm Payload 2 IoCs
resource yara_rule behavioral8/memory/4124-1-0x0000000000B40000-0x0000000000B56000-memory.dmp family_xworm behavioral8/files/0x001d00000002aaef-10.dat family_xworm -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\uwumonster.lnk ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\uwumonster.lnk ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe -
Executes dropped EXE 5 IoCs
pid Process 3716 uwumonster.exe 1668 uwumonster.exe 1792 uwumonster.exe 5052 uwumonster.exe 4496 uwumonster.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-734199974-1358367239-436541239-1000\Software\Microsoft\Windows\CurrentVersion\Run\uwumonster = "C:\\Users\\Admin\\AppData\\Local\\uwumonster.exe" ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2608 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 4124 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe Token: SeDebugPrivilege 4124 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe Token: SeDebugPrivilege 3716 uwumonster.exe Token: SeDebugPrivilege 1668 uwumonster.exe Token: SeDebugPrivilege 1792 uwumonster.exe Token: SeDebugPrivilege 5052 uwumonster.exe Token: SeDebugPrivilege 4496 uwumonster.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4124 wrote to memory of 2608 4124 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe 80 PID 4124 wrote to memory of 2608 4124 ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe 80 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\a ton of ya\ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe"C:\Users\Admin\AppData\Local\Temp\a ton of ya\ya - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy - Copy -.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "uwumonster" /tr "C:\Users\Admin\AppData\Local\uwumonster.exe"2⤵
- Creates scheduled task(s)
PID:2608
-
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3716
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1668
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1792
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5052
-
C:\Users\Admin\AppData\Local\uwumonster.exeC:\Users\Admin\AppData\Local\uwumonster.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4496
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
654B
MD52cbbb74b7da1f720b48ed31085cbd5b8
SHA179caa9a3ea8abe1b9c4326c3633da64a5f724964
SHA256e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3
SHA512ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9
-
Filesize
63KB
MD5222c2d239f4c8a1d73c736c9cc712807
SHA1c3aa61bd6f8cc640bcfa74c40d9283c9c08c7b3c
SHA256ff43049677c57277f12a1d97f02af3029d7b75b5ad40303a28f1b0452997969d
SHA5121f2fea85e45e93916306c234b916d6b4b200dac9656e44f4555f825dd8677cb5e927bd5e7a74bf2fb2f6972a3e6e2d294a6104add162ba3d53a0e6cfedef6a02