f5cc916c298cdad402427df767dcf55df9741c01953cbf2f8624435eb6023020

General

Target

XClient.exe
Size

76KB
MD5

817f42d8de8cd4cd2da0e73ee54f6859
SHA1

9d0d6c5847e3ea4466c2643d2ba050c1a324bb60
SHA256

f5cc916c298cdad402427df767dcf55df9741c01953cbf2f8624435eb6023020
SHA512

8ec52615385e9456b9d14e75b3aa212dc0e0450b4a6c84a289ac4a38774d5b995e456517d23ff007dfdc0274cc67765b54e078a1f2b564a68506589e196450d5
SSDEEP

1536:Axvn23gQksEo6Dsp3LIBJ+Wy8fWUz6FhbyhriG6w7FbLQhOWioQq+j:cI8WMyw+MEhbyRF7FwOWioEj

Score

7^/10

Malware Config

Signatures

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 2 IoCs

pid	Process
2628	XClient.exe
2296	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-1-5-21-4159544280-4273523227-683900707-1000\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
2	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
1484	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2856	powershell.exe
2720	powershell.exe
1648	powershell.exe
1668	XClient.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	XClient.exe
Token: SeDebugPrivilege	2856	powershell.exe
Token: SeDebugPrivilege	2720	powershell.exe
Token: SeDebugPrivilege	1648	powershell.exe
Token: SeDebugPrivilege	1668	XClient.exe
Token: SeDebugPrivilege	2628	XClient.exe
Token: SeDebugPrivilege	2296	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1668	XClient.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2856	1668	XClient.exe	29
PID 1668 wrote to memory of 2856	1668	XClient.exe	29
PID 1668 wrote to memory of 2856	1668	XClient.exe	29
PID 1668 wrote to memory of 2720	1668	XClient.exe	31
PID 1668 wrote to memory of 2720	1668	XClient.exe	31
PID 1668 wrote to memory of 2720	1668	XClient.exe	31
PID 1668 wrote to memory of 1648	1668	XClient.exe	34
PID 1668 wrote to memory of 1648	1668	XClient.exe	34
PID 1668 wrote to memory of 1648	1668	XClient.exe	34
PID 1668 wrote to memory of 1484	1668	XClient.exe	35
PID 1668 wrote to memory of 1484	1668	XClient.exe	35
PID 1668 wrote to memory of 1484	1668	XClient.exe	35
PID 2248 wrote to memory of 2628	2248	taskeng.exe	40
PID 2248 wrote to memory of 2628	2248	taskeng.exe	40
PID 2248 wrote to memory of 2628	2248	taskeng.exe	40
PID 2248 wrote to memory of 2296	2248	taskeng.exe	41
PID 2248 wrote to memory of 2296	2248	taskeng.exe	41
PID 2248 wrote to memory of 2296	2248	taskeng.exe	41

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⤵
- 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:1668
- 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:2856
- 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:2720
- 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:1648
- 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:1484

C:\Windows\system32\taskeng.exe
taskeng.exe {A4CB462F-7384-4140-A5AC-A5EF664D87DE} S-1-5-21-4159544280-4273523227-683900707-1000:UMAXQRGK\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Roaming\XClient.exe
  C:\Users\Admin\AppData\Roaming\XClient.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2628
- C:\Users\Admin\AppData\Roaming\XClient.exe
  C:\Users\Admin\AppData\Roaming\XClient.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2296

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
32e81b351222c4cd8abddc90917389b7

SHA1
eaefea523e5a4350acec294b433d204bdd4f9ee6

SHA256
c8303f3904fc96b79b779e53e00e991da92bee23023983195640f7014c618159

SHA512
c6cd05e472491ef4135f06aa56dd8d06fe7969ef10a599cd10687bd89bd6d40b082cfeae286681d48726f27c41f4240ea4f9f1be3bade365ccc7a3581806320e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
32e81b351222c4cd8abddc90917389b7

SHA1
eaefea523e5a4350acec294b433d204bdd4f9ee6

SHA256
c8303f3904fc96b79b779e53e00e991da92bee23023983195640f7014c618159

SHA512
c6cd05e472491ef4135f06aa56dd8d06fe7969ef10a599cd10687bd89bd6d40b082cfeae286681d48726f27c41f4240ea4f9f1be3bade365ccc7a3581806320e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\E7622TR9Y5OW0YAR7Q37.temp

Filesize
7KB

MD5
32e81b351222c4cd8abddc90917389b7

SHA1
eaefea523e5a4350acec294b433d204bdd4f9ee6

SHA256
c8303f3904fc96b79b779e53e00e991da92bee23023983195640f7014c618159

SHA512
c6cd05e472491ef4135f06aa56dd8d06fe7969ef10a599cd10687bd89bd6d40b082cfeae286681d48726f27c41f4240ea4f9f1be3bade365ccc7a3581806320e

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

Filesize
76KB

MD5
817f42d8de8cd4cd2da0e73ee54f6859

SHA1
9d0d6c5847e3ea4466c2643d2ba050c1a324bb60

SHA256
f5cc916c298cdad402427df767dcf55df9741c01953cbf2f8624435eb6023020

SHA512
8ec52615385e9456b9d14e75b3aa212dc0e0450b4a6c84a289ac4a38774d5b995e456517d23ff007dfdc0274cc67765b54e078a1f2b564a68506589e196450d5

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

Filesize
76KB

MD5
817f42d8de8cd4cd2da0e73ee54f6859

SHA1
9d0d6c5847e3ea4466c2643d2ba050c1a324bb60

SHA256
f5cc916c298cdad402427df767dcf55df9741c01953cbf2f8624435eb6023020

SHA512
8ec52615385e9456b9d14e75b3aa212dc0e0450b4a6c84a289ac4a38774d5b995e456517d23ff007dfdc0274cc67765b54e078a1f2b564a68506589e196450d5

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

Filesize
76KB

MD5
817f42d8de8cd4cd2da0e73ee54f6859

SHA1
9d0d6c5847e3ea4466c2643d2ba050c1a324bb60

SHA256
f5cc916c298cdad402427df767dcf55df9741c01953cbf2f8624435eb6023020

SHA512
8ec52615385e9456b9d14e75b3aa212dc0e0450b4a6c84a289ac4a38774d5b995e456517d23ff007dfdc0274cc67765b54e078a1f2b564a68506589e196450d5

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

Filesize
76KB

MD5
817f42d8de8cd4cd2da0e73ee54f6859

SHA1
9d0d6c5847e3ea4466c2643d2ba050c1a324bb60

SHA256
f5cc916c298cdad402427df767dcf55df9741c01953cbf2f8624435eb6023020

SHA512
8ec52615385e9456b9d14e75b3aa212dc0e0450b4a6c84a289ac4a38774d5b995e456517d23ff007dfdc0274cc67765b54e078a1f2b564a68506589e196450d5

Download Submit
memory/1648-84-0x0000000001CCB000-0x0000000001D02000-memory.dmp

Filesize
220KB

Download
memory/1648-83-0x0000000001CC4000-0x0000000001CC7000-memory.dmp

Filesize
12KB

Download
memory/1668-93-0x000000001B300000-0x000000001B380000-memory.dmp

Filesize
512KB

Download
memory/1668-55-0x000000001B300000-0x000000001B380000-memory.dmp

Filesize
512KB

Download
memory/1668-54-0x00000000000F0000-0x000000000010A000-memory.dmp

Filesize
104KB

Download
memory/2296-101-0x0000000000F70000-0x0000000000F8A000-memory.dmp

Filesize
104KB

Download
memory/2628-98-0x0000000000AE0000-0x0000000000AFA000-memory.dmp

Filesize
104KB

Download
memory/2720-73-0x0000000002880000-0x0000000002900000-memory.dmp

Filesize
512KB

Download
memory/2720-76-0x0000000002880000-0x0000000002900000-memory.dmp

Filesize
512KB

Download
memory/2720-74-0x0000000002880000-0x0000000002900000-memory.dmp

Filesize
512KB

Download
memory/2720-75-0x0000000002884000-0x0000000002887000-memory.dmp

Filesize
12KB

Download
memory/2720-72-0x0000000001C60000-0x0000000001C68000-memory.dmp

Filesize
32KB

Download
memory/2720-71-0x000000001B450000-0x000000001B732000-memory.dmp

Filesize
2.9MB

Download
memory/2720-94-0x0000000002880000-0x0000000002900000-memory.dmp

Filesize
512KB

Download
memory/2856-65-0x0000000002890000-0x0000000002910000-memory.dmp

Filesize
512KB

Download
memory/2856-64-0x0000000002890000-0x0000000002910000-memory.dmp

Filesize
512KB

Download
memory/2856-63-0x0000000002890000-0x0000000002910000-memory.dmp

Filesize
512KB

Download
memory/2856-62-0x0000000002890000-0x0000000002910000-memory.dmp

Filesize
512KB

Download
memory/2856-61-0x0000000001D70000-0x0000000001D78000-memory.dmp

Filesize
32KB

Download
memory/2856-60-0x000000001B540000-0x000000001B822000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads