9c013e394a77b7dfea1b41e8189c86966bbe5fd83f4702456a96a9aaa16fdfdb

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20/12/2023, 10:30

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General

Target

setup_win64_86.exe
Size

744.0MB
MD5

e2582baf83ee662fbbd0f8506ad74abe
SHA1

a26f54eb537e10c57a57fddcfd8ae5bf7d45dd64
SHA256

09b0d34e86e2ad221ee8e75cec4942c9d9cedd456652fea8e40456a1c8af5239
SHA512

da04169ad69f7d4f56cf723c44e374c9c31229548bc58992080039f441b8ec9372815f1245ce90a85e0f06e024d65ed353b9debcc4d9e6243078ae1726b96504
SSDEEP

196608:qgRFTUczScs86XmDawlvKpRkryFI8L9qIHnh:nVUncyXmD8pRgE1U+

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	setup_win64_86.exe

Executes dropped EXE 1 IoCs

pid	Process
1680	Wecokas.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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	setup_win64_86.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	setup_win64_86.exe

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
4448	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1044	setup_win64_86.exe
1044	setup_win64_86.exe
1044	setup_win64_86.exe
1044	setup_win64_86.exe
1044	setup_win64_86.exe
1044	setup_win64_86.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 3756	1044	setup_win64_86.exe	90
PID 1044 wrote to memory of 3756	1044	setup_win64_86.exe	90
PID 1044 wrote to memory of 3756	1044	setup_win64_86.exe	90
PID 3756 wrote to memory of 4448	3756	cmd.exe	92
PID 3756 wrote to memory of 4448	3756	cmd.exe	92
PID 3756 wrote to memory of 4448	3756	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\setup_win64_86.exe
"C:\Users\Admin\AppData\Local\Temp\setup_win64_86.exe"
1⤵
- Checks computer location settings
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c schtasks /create /tn \Service\Data /tr """"C:\Users\Admin\AppData\Roaming\ServiceData\Wecokas.exe""" """C:\Users\Admin\AppData\Roaming\ServiceData\Wecokas.jpg"""" /st 00:01 /du 9800:19 /sc once /ri 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3756
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn \Service\Data /tr """"C:\Users\Admin\AppData\Roaming\ServiceData\Wecokas.exe""" """C:\Users\Admin\AppData\Roaming\ServiceData\Wecokas.jpg"""" /st 00:01 /du 9800:19 /sc once /ri 1 /f
    3⤵
    - Creates scheduled task(s)
    PID:4448

C:\Users\Admin\AppData\Roaming\ServiceData\Wecokas.exe
C:\Users\Admin\AppData\Roaming\ServiceData\Wecokas.exe "C:\Users\Admin\AppData\Roaming\ServiceData\Wecokas.jpg"
1⤵
- Executes dropped EXE
PID:1680

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\ServiceData\Wecokas.exe

Filesize
925KB

MD5
0adb9b817f1df7807576c2d7068dd931

SHA1
4a1b94a9a5113106f40cd8ea724703734d15f118

SHA256
98e4f904f7de1644e519d09371b8afcbbf40ff3bd56d76ce4df48479a4ab884b

SHA512
883aa88f2dba4214bb534fbdaf69712127357a3d0f5666667525db3c1fa351598f067068dfc9e7c7a45fed4248d7dca729ba4f75764341e47048429f9ca8846a

Download Submit
C:\Users\Admin\AppData\Roaming\ServiceData\Wecokas.jpg

Filesize
543KB

MD5
f7db9ee176ce23bf6df3b50feace48bc

SHA1
a86a134ef1cd7ff1c0cdf2bd0c0fa6a4dba726df

SHA256
a63ef6458113f20bdf8a8428fe87edb2bd3e8f8c8a466397045d81326043ea29

SHA512
d5e79bda11ced42b4b9eca9b560b848056fc8f7590e2e70caa16e4c10146aa13a93dde6e2a0946ceec7deb7cc6f7c37d34433fa49ceeda3de11a35f9e3d15f6c

Download Submit
memory/1044-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1044-1-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download