xworm | ac1a5d5a120ed45ff8a71828374b83c59dd4bd8e68d68319acf989aebf4297d1

General

Target

574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
Size

80KB
MD5

df42a27a39c57d105ca4860a4fe90999
SHA1

b9f5c9a013ba4eef11d74927d774765c518511e0
SHA256

574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae
SHA512

2816bcbad66d901d87c22945e71e4a56294b26ebd992ef361778c41a934bad02fa4ce4e5049a0e3097e796ab93514337c24652fb05773e5fdc0c38725510083e
SSDEEP

1536:ekmhnAKPZdZ7s66tocAmYvd1Cpt4bU6sVLaRog1f6OO+FcHhrh:FQZPDeptds0t4bUMRog13O+Mrh

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

C2

kids-abstract.at.ply.gg:26193

Attributes

Install_directory
%Userprofile%
install_file
MSASCuL.exe
telegram
https://api.telegram.org/bot6118963747:AAFPoeeAyXiG-pd4NsJhnJCS9gC7YtmGuis/sendMessage?chat_id=5210247710

Signatures

Detect Xworm Payload 3 IoCs

resource	yara_rule
behavioral2/memory/3960-0-0x0000000000FF0000-0x000000000100A000-memory.dmp	family_xworm
behavioral2/files/0x000d0000000233f2-56.dat	family_xworm
behavioral2/memory/3960-58-0x000000001BBD0000-0x000000001BBE0000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

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-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.lnk	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.lnk	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe

Executes dropped EXE 3 IoCs

pid	Process
1232	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
1600	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
3056	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae = "C:\\Users\\Admin\\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe"	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe

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
4184	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4812	powershell.exe
4812	powershell.exe
2236	powershell.exe
2236	powershell.exe
4444	powershell.exe
4444	powershell.exe
3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
Token: SeDebugPrivilege	4812	powershell.exe
Token: SeDebugPrivilege	2236	powershell.exe
Token: SeDebugPrivilege	4444	powershell.exe
Token: SeDebugPrivilege	3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
Token: SeDebugPrivilege	1232	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
Token: SeDebugPrivilege	1600	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
Token: SeDebugPrivilege	3056	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 4812	3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe	92
PID 3960 wrote to memory of 4812	3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe	92
PID 3960 wrote to memory of 2236	3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe	94
PID 3960 wrote to memory of 2236	3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe	94
PID 3960 wrote to memory of 4444	3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe	96
PID 3960 wrote to memory of 4444	3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe	96
PID 3960 wrote to memory of 4184	3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe	98
PID 3960 wrote to memory of 4184	3960	574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe	98

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\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
"C:\Users\Admin\AppData\Local\Temp\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3960
- 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\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4812
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2236
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4444
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae" /tr "C:\Users\Admin\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe"
  2⤵
  - Creates scheduled task(s)
  PID:4184

C:\Users\Admin\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
C:\Users\Admin\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1232

C:\Users\Admin\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
C:\Users\Admin\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1600

C:\Users\Admin\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
C:\Users\Admin\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.exe

Filesize
80KB

MD5
df42a27a39c57d105ca4860a4fe90999

SHA1
b9f5c9a013ba4eef11d74927d774765c518511e0

SHA256
574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae

SHA512
2816bcbad66d901d87c22945e71e4a56294b26ebd992ef361778c41a934bad02fa4ce4e5049a0e3097e796ab93514337c24652fb05773e5fdc0c38725510083e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\574bbc258f00e8ef099184a763b7f03075218c56ebfcd90f0319250cb8cd82ae.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
731e9e4becec0b1ef9caad4b3562d4b4

SHA1
6dffb77aba4e92ad5bd4b7c02fdee6f328bcd457

SHA256
71c7eca538938fa4d5b470fee41cfe43734e9beb9ae409d5b41111fa1a15c2d5

SHA512
841cf559ae5b0feec4be43018717641399b3602a553112e98b07d498f1a44169924466abc7e2313b8e8cf1c0fdc1bb7635e2818aab8269b0ef349a0ba0cd6ae5

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

Filesize
944B

MD5
d8cb3e9459807e35f02130fad3f9860d

SHA1
5af7f32cb8a30e850892b15e9164030a041f4bd6

SHA256
2b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68

SHA512
045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lakerkth.sod.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1232-62-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/1232-64-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/1600-70-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/1600-69-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/2236-28-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/2236-30-0x0000015932DA0000-0x0000015932DB0000-memory.dmp

Filesize
64KB

Download
memory/2236-32-0x0000015932DA0000-0x0000015932DB0000-memory.dmp

Filesize
64KB

Download
memory/2236-34-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/3056-72-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/3056-73-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/3960-61-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/3960-1-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/3960-58-0x000000001BBD0000-0x000000001BBE0000-memory.dmp

Filesize
64KB

Download
memory/3960-0-0x0000000000FF0000-0x000000000100A000-memory.dmp

Filesize
104KB

Download
memory/3960-65-0x000000001BBD0000-0x000000001BBE0000-memory.dmp

Filesize
64KB

Download
memory/4444-49-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/4444-46-0x000001AD479A0000-0x000001AD479B0000-memory.dmp

Filesize
64KB

Download
memory/4444-45-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/4444-47-0x000001AD479A0000-0x000001AD479B0000-memory.dmp

Filesize
64KB

Download
memory/4812-17-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/4812-14-0x0000022F332E0000-0x0000022F332F0000-memory.dmp

Filesize
64KB

Download
memory/4812-12-0x00007FF9A1B80000-0x00007FF9A2641000-memory.dmp

Filesize
10.8MB

Download
memory/4812-4-0x0000022F33260000-0x0000022F33282000-memory.dmp

Filesize
136KB

Download
memory/4812-13-0x0000022F332E0000-0x0000022F332F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads