xworm | 8967ae806bc8107efcf7aa3b20e1604d0a0aef971cac4c35d4789f700beda4b3

General

Target

проверка.exe
Size

94KB
MD5

f8aed68ce540407df450238d7fb28ea8
SHA1

b573ed8b2777763f9af49c9f5db3e9acbcf8c46d
SHA256

8967ae806bc8107efcf7aa3b20e1604d0a0aef971cac4c35d4789f700beda4b3
SHA512

7dfc408433b69468efc59a618af344aada4d2fd009c479ecb5bec31f4ec53ea16b0454dece2ce81e8ae506565965b65c5e260e4c060b4ef44fbb61b052cb0aac
SSDEEP

1536:AWlB7uzdA0xerhCDQX+bu8VZ866DOS8mQSeUa/uoDjSBSc7UtYVL:AGuAUewDQX+buzHO9Rn1W0cgteL

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

19.ip.gl.ply.gg:65468

speed-wheat.gl.at.ply.gg:65468

XWorm V5.2:123

Attributes

Install_directory
%AppData%
install_file
Delta.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/700-1-0x0000000000B40000-0x0000000000B5E000-memory.dmp	family_xworm
behavioral2/files/0x000d0000000233b3-60.dat	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4876	powershell.exe
1256	powershell.exe
4052	powershell.exe
564	powershell.exe

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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	проверка.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
3516	Delta.exe
3464	Delta.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-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Delta = "C:\\Users\\Admin\\AppData\\Roaming\\Delta.exe"	проверка.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
2628	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2976	timeout.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4876	powershell.exe
4876	powershell.exe
1256	powershell.exe
1256	powershell.exe
4052	powershell.exe
4052	powershell.exe
564	powershell.exe
564	powershell.exe
700	проверка.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	700	проверка.exe
Token: SeDebugPrivilege	4876	powershell.exe
Token: SeDebugPrivilege	1256	powershell.exe
Token: SeDebugPrivilege	4052	powershell.exe
Token: SeDebugPrivilege	564	powershell.exe
Token: SeDebugPrivilege	700	проверка.exe
Token: SeDebugPrivilege	3516	Delta.exe
Token: SeDebugPrivilege	3464	Delta.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
700	проверка.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 700 wrote to memory of 4876	700	проверка.exe	89
PID 700 wrote to memory of 4876	700	проверка.exe	89
PID 700 wrote to memory of 1256	700	проверка.exe	91
PID 700 wrote to memory of 1256	700	проверка.exe	91
PID 700 wrote to memory of 4052	700	проверка.exe	93
PID 700 wrote to memory of 4052	700	проверка.exe	93
PID 700 wrote to memory of 564	700	проверка.exe	95
PID 700 wrote to memory of 564	700	проверка.exe	95
PID 700 wrote to memory of 2628	700	проверка.exe	98
PID 700 wrote to memory of 2628	700	проверка.exe	98
PID 700 wrote to memory of 4460	700	проверка.exe	105
PID 700 wrote to memory of 4460	700	проверка.exe	105
PID 700 wrote to memory of 1880	700	проверка.exe	107
PID 700 wrote to memory of 1880	700	проверка.exe	107
PID 1880 wrote to memory of 2976	1880	cmd.exe	109
PID 1880 wrote to memory of 2976	1880	cmd.exe	109

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\проверка.exe
"C:\Users\Admin\AppData\Local\Temp\проверка.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:700
- 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\проверка.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4876
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'проверка.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1256
- 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\Delta.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4052
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Delta.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:564
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Delta" /tr "C:\Users\Admin\AppData\Roaming\Delta.exe"
  2⤵
  - Creates scheduled task(s)
  PID:2628
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "Delta"
  2⤵
  PID:4460
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8F27.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1880
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2976

C:\Users\Admin\AppData\Roaming\Delta.exe
C:\Users\Admin\AppData\Roaming\Delta.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3516

C:\Users\Admin\AppData\Roaming\Delta.exe
C:\Users\Admin\AppData\Roaming\Delta.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Delta.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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
944B

MD5
e5663972c1caaba7088048911c758bf3

SHA1
3462dea0f9c2c16a9c3afdaef8bbb1f753c1c198

SHA256
9f7f29a4696876cadca3f14d7e43f9ede0c97fd64be3f5d94bda49a91b6a419e

SHA512
ff4e72c46cf083de62baa2ce2661555dd91b5f144294015f7b262fd4500cb67fe80e1871a82da63b607e3e9cef401f4b73c587bf1134637881ecad51aad1eddc

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

Filesize
944B

MD5
120c6c9af4de2accfcff2ed8c3aab1af

SHA1
504f64ae4ac9c4fe308a6a50be24fe464f3dad95

SHA256
461315e4057c3fa4d0031df3f7e6511914f082698b6c41f5c2ada831ceffb222

SHA512
041712168718dff702da8203b4089b2e57db98ce503b8ecf36809dec0cd7a595a0d427caa960bc1bd29cbedc85ad3262773f2077a476b85aca387d48f7b07ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hks3swkw.ukj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8F27.tmp.bat

Filesize
168B

MD5
55a1579636b7e7d36eb2f065fdc0c55a

SHA1
0177b9a330da405cd101aeac6993432be7b132ea

SHA256
006f8a25f1126b36c97e160919c8ad464a99227f5755553e830e1d30013ef02e

SHA512
0cfa27803c79239720d2eca9a716b3b675f9a959e486a845ee6b4132270e8f0f9a853ed92069c326d05b7ef5f6f50758ff687521c6da0610f8b10dc0e11c4cab

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

Filesize
94KB

MD5
f8aed68ce540407df450238d7fb28ea8

SHA1
b573ed8b2777763f9af49c9f5db3e9acbcf8c46d

SHA256
8967ae806bc8107efcf7aa3b20e1604d0a0aef971cac4c35d4789f700beda4b3

SHA512
7dfc408433b69468efc59a618af344aada4d2fd009c479ecb5bec31f4ec53ea16b0454dece2ce81e8ae506565965b65c5e260e4c060b4ef44fbb61b052cb0aac

Download Submit
memory/700-59-0x00007FFCD9670000-0x00007FFCDA131000-memory.dmp

Filesize
10.8MB

Download
memory/700-56-0x00007FFCD9670000-0x00007FFCDA131000-memory.dmp

Filesize
10.8MB

Download
memory/700-57-0x00007FFCD9673000-0x00007FFCD9675000-memory.dmp

Filesize
8KB

Download
memory/700-58-0x000000001C3E0000-0x000000001C3EC000-memory.dmp

Filesize
48KB

Download
memory/700-0-0x00007FFCD9673000-0x00007FFCD9675000-memory.dmp

Filesize
8KB

Download
memory/700-71-0x00007FFCD9670000-0x00007FFCDA131000-memory.dmp

Filesize
10.8MB

Download
memory/700-1-0x0000000000B40000-0x0000000000B5E000-memory.dmp

Filesize
120KB

Download
memory/4876-17-0x00007FFCD9670000-0x00007FFCDA131000-memory.dmp

Filesize
10.8MB

Download
memory/4876-14-0x00007FFCD9670000-0x00007FFCDA131000-memory.dmp

Filesize
10.8MB

Download
memory/4876-13-0x00007FFCD9670000-0x00007FFCDA131000-memory.dmp

Filesize
10.8MB

Download
memory/4876-12-0x00007FFCD9670000-0x00007FFCDA131000-memory.dmp

Filesize
10.8MB

Download
memory/4876-2-0x000001EB2B7E0000-0x000001EB2B802000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads