4b1e16f2715071462c3bdcc35ad732a7bb630fcede1bf7e4962257f724354fad

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
29/06/2023, 05:11

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General

Target

XClient.exe
Size

193KB
MD5

520563f7b694522b89a235e4a702b0cc
SHA1

fc303411ee4aa5c964d01ce4695edc633286a436
SHA256

4b1e16f2715071462c3bdcc35ad732a7bb630fcede1bf7e4962257f724354fad
SHA512

d5e87d269884212bc217c9b6012040f7468cb20eb73c2b1885da55baf95a9717600bc818bcd652a794a64eb36cc036c5bd791baa7b72b75ebaf481e0682fe4e9
SSDEEP

3072:INqiSqNQ2by8jOVuN46h6WkXWUVpl2qOBsPm0SaAGCGyPPV:+qiSSQ2b260WkXrlRCGW

Score

7^/10

persistence

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-1-5-21-2177513644-1903222820-241662473-1000\Control Panel\International\Geo\Nation	XClient.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	XClient.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	XClient.exe

Executes dropped EXE 3 IoCs

pid	Process
1832	XClient.exe
3144	XClient.exe
3832	XClient.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2177513644-1903222820-241662473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	XClient.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
15	ip-api.com

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

T1053

pid	Process
868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4076	powershell.exe
4076	powershell.exe
3888	powershell.exe
3888	powershell.exe
5092	powershell.exe
5092	powershell.exe
1776	XClient.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1776	XClient.exe
Token: SeDebugPrivilege	4076	powershell.exe
Token: SeDebugPrivilege	3888	powershell.exe
Token: SeDebugPrivilege	5092	powershell.exe
Token: SeDebugPrivilege	1776	XClient.exe
Token: SeDebugPrivilege	1832	XClient.exe
Token: SeDebugPrivilege	3144	XClient.exe
Token: SeDebugPrivilege	3832	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1776	XClient.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 4076	1776	XClient.exe	85
PID 1776 wrote to memory of 4076	1776	XClient.exe	85
PID 1776 wrote to memory of 3888	1776	XClient.exe	87
PID 1776 wrote to memory of 3888	1776	XClient.exe	87
PID 1776 wrote to memory of 5092	1776	XClient.exe	89
PID 1776 wrote to memory of 5092	1776	XClient.exe	89
PID 1776 wrote to memory of 868	1776	XClient.exe	91
PID 1776 wrote to memory of 868	1776	XClient.exe	91

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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4076
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3888
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5092
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
  2⤵
  - Creates scheduled task(s)
  PID:868

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1832

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3144

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
62623d22bd9e037191765d5083ce16a3

SHA1
4a07da6872672f715a4780513d95ed8ddeefd259

SHA256
95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

SHA512
9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
ab24765a7393bd3cef8acbf0a617fba2

SHA1
ef2c12a457a11f6204344afed09a39f4d3e803cb

SHA256
3a03c7efabe880ae9f283b1cf373d3f09d07ab619028319b3599b643ae140d47

SHA512
e16306674a8c89f54467d7fba3857e1e0bdf3729f5de9f4451520cfbddfa535c4d653dde6efcac38efd693e9b3e4965fcd08c559e720c372feca65050b46e355

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_khlcm53o.2jg.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\XClient.exe

Filesize
193KB

MD5
520563f7b694522b89a235e4a702b0cc

SHA1
fc303411ee4aa5c964d01ce4695edc633286a436

SHA256
4b1e16f2715071462c3bdcc35ad732a7bb630fcede1bf7e4962257f724354fad

SHA512
d5e87d269884212bc217c9b6012040f7468cb20eb73c2b1885da55baf95a9717600bc818bcd652a794a64eb36cc036c5bd791baa7b72b75ebaf481e0682fe4e9

Download Submit
C:\Users\Admin\AppData\Roaming\XClient.exe

Filesize
193KB

MD5
520563f7b694522b89a235e4a702b0cc

SHA1
fc303411ee4aa5c964d01ce4695edc633286a436

SHA256
4b1e16f2715071462c3bdcc35ad732a7bb630fcede1bf7e4962257f724354fad

SHA512
d5e87d269884212bc217c9b6012040f7468cb20eb73c2b1885da55baf95a9717600bc818bcd652a794a64eb36cc036c5bd791baa7b72b75ebaf481e0682fe4e9

Download Submit
C:\Users\Admin\AppData\Roaming\XClient.exe

Filesize
193KB

MD5
520563f7b694522b89a235e4a702b0cc

SHA1
fc303411ee4aa5c964d01ce4695edc633286a436

SHA256
4b1e16f2715071462c3bdcc35ad732a7bb630fcede1bf7e4962257f724354fad

SHA512
d5e87d269884212bc217c9b6012040f7468cb20eb73c2b1885da55baf95a9717600bc818bcd652a794a64eb36cc036c5bd791baa7b72b75ebaf481e0682fe4e9

Download Submit
C:\Users\Admin\AppData\Roaming\XClient.exe

Filesize
193KB

MD5
520563f7b694522b89a235e4a702b0cc

SHA1
fc303411ee4aa5c964d01ce4695edc633286a436

SHA256
4b1e16f2715071462c3bdcc35ad732a7bb630fcede1bf7e4962257f724354fad

SHA512
d5e87d269884212bc217c9b6012040f7468cb20eb73c2b1885da55baf95a9717600bc818bcd652a794a64eb36cc036c5bd791baa7b72b75ebaf481e0682fe4e9

Download Submit
C:\Users\Admin\AppData\Roaming\XClient.exe

Filesize
193KB

MD5
520563f7b694522b89a235e4a702b0cc

SHA1
fc303411ee4aa5c964d01ce4695edc633286a436

SHA256
4b1e16f2715071462c3bdcc35ad732a7bb630fcede1bf7e4962257f724354fad

SHA512
d5e87d269884212bc217c9b6012040f7468cb20eb73c2b1885da55baf95a9717600bc818bcd652a794a64eb36cc036c5bd791baa7b72b75ebaf481e0682fe4e9

Download Submit
memory/1776-133-0x00000000004E0000-0x0000000000516000-memory.dmp

Filesize
216KB

Download
memory/1776-134-0x000000001B350000-0x000000001B360000-memory.dmp

Filesize
64KB

Download
memory/1776-184-0x000000001B350000-0x000000001B360000-memory.dmp

Filesize
64KB

Download
memory/3888-150-0x0000029740680000-0x0000029740690000-memory.dmp

Filesize
64KB

Download
memory/3888-151-0x0000029740680000-0x0000029740690000-memory.dmp

Filesize
64KB

Download
memory/4076-146-0x0000023BF77B0000-0x0000023BF77C0000-memory.dmp

Filesize
64KB

Download
memory/4076-140-0x0000023BF77B0000-0x0000023BF77C0000-memory.dmp

Filesize
64KB

Download
memory/4076-145-0x0000023BF7270000-0x0000023BF7292000-memory.dmp

Filesize
136KB

Download
memory/5092-173-0x0000019A1E950000-0x0000019A1E960000-memory.dmp

Filesize
64KB

Download
memory/5092-172-0x0000019A1E950000-0x0000019A1E960000-memory.dmp

Filesize
64KB

Download