xworm | 8967ae806bc8107efcf7aa3b20e1604d0a0aef971cac4c35d4789f700beda4b3

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04/06/2024, 12:20

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General

Target
проверка.exe
Size 94KB
Sample240604-ph3dcsgc82
SHA256 8967ae806bc8107efcf7aa3b20e1604d0a0aef971cac4c35d4789f700beda4b3
MD5 f8aed68ce540407df450238d7fb28ea8
SHA1 b573ed8b2777763f9af49c9f5db3e9acbcf8c46d
SHA512 7dfc408433b69468efc59a618af344aada4d2fd009c479ecb5bec31f4ec53ea16b0454dece2ce81e8ae506565965b65c5e260e4c060b4ef44fbb61b052cb0aac
SSDEEP 1536:AWlB7uzdA0xerhCDQX+bu8VZ866DOS8mQSeUa/uoDjSBSc7UtYVL:AGuAUewDQX+buzHO9Rn1W0cgteL
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

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/600-0-0x0000000000CF0000-0x0000000000D0E000-memory.dmp	family_xworm
behavioral2/files/0x0009000000022978-58.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
4796	powershell.exe
3996	powershell.exe
4728	powershell.exe
3920	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-1-5-21-1337824034-2731376981-3755436523-1000\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
1600	Delta.exe
1492	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-1-5-21-1337824034-2731376981-3755436523-1000\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
4972	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2084	timeout.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4796	powershell.exe
4796	powershell.exe
3996	powershell.exe
3996	powershell.exe
4728	powershell.exe
4728	powershell.exe
3920	powershell.exe
3920	powershell.exe
600	проверка.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	600	проверка.exe
Token: SeDebugPrivilege	4796	powershell.exe
Token: SeDebugPrivilege	3996	powershell.exe
Token: SeDebugPrivilege	4728	powershell.exe
Token: SeDebugPrivilege	3920	powershell.exe
Token: SeDebugPrivilege	600	проверка.exe
Token: SeDebugPrivilege	1600	Delta.exe
Token: SeDebugPrivilege	1492	Delta.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
600	проверка.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 600 wrote to memory of 4796	600	проверка.exe	92
PID 600 wrote to memory of 4796	600	проверка.exe	92
PID 600 wrote to memory of 3996	600	проверка.exe	94
PID 600 wrote to memory of 3996	600	проверка.exe	94
PID 600 wrote to memory of 4728	600	проверка.exe	97
PID 600 wrote to memory of 4728	600	проверка.exe	97
PID 600 wrote to memory of 3920	600	проверка.exe	99
PID 600 wrote to memory of 3920	600	проверка.exe	99
PID 600 wrote to memory of 4972	600	проверка.exe	101
PID 600 wrote to memory of 4972	600	проверка.exe	101
PID 600 wrote to memory of 880	600	проверка.exe	114
PID 600 wrote to memory of 880	600	проверка.exe	114
PID 600 wrote to memory of 2648	600	проверка.exe	116
PID 600 wrote to memory of 2648	600	проверка.exe	116
PID 2648 wrote to memory of 2084	2648	cmd.exe	118
PID 2648 wrote to memory of 2084	2648	cmd.exe	118

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:600
- 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:4796
- 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:3996
- 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:4728
- 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:3920
- 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:4972
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "Delta"
  2⤵
  PID:880
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDFEB.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2648
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2084

C:\Users\Admin\AppData\Roaming\Delta.exe
C:\Users\Admin\AppData\Roaming\Delta.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1600

C:\Users\Admin\AppData\Roaming\Delta.exe
C:\Users\Admin\AppData\Roaming\Delta.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Delta.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Delta.exe.log
Size 654B
SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
MD5 2ff39f6c7249774be85fd60a8f9a245e
SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
MD5 SHA1 SHA512

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
MD5 6d3e9c29fe44e90aae6ed30ccf799ca8
SHA1 c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA512 60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 9f7f29a4696876cadca3f14d7e43f9ede0c97fd64be3f5d94bda49a91b6a419e
MD5 e5663972c1caaba7088048911c758bf3
SHA1 3462dea0f9c2c16a9c3afdaef8bbb1f753c1c198
SHA512 ff4e72c46cf083de62baa2ce2661555dd91b5f144294015f7b262fd4500cb67fe80e1871a82da63b607e3e9cef401f4b73c587bf1134637881ecad51aad1eddc
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 718dc2f5f4a6dbb7fab7f3db05bd7f602fb16526caae7084ab46c3ab4e7bad35
MD5 65a68df1062af34622552c4f644a5708
SHA1 6f6ecf7b4b635abb0b132d95dac2759dc14b50af
SHA512 4e460eb566032942547b58411222dd26ae300a95f83cf5ae6df58ebd28594341123611b348bd4031a33bc7f38307d5cb8fb677bba8c896919e3eee677a104d4d
MD5 SHA1 SHA512

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__PSScriptPolicyTest_vpfp0yvh.ctu.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vpfp0yvh.ctu.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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tmpDFEB.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpDFEB.tmp.bat
Size 168B
SHA256 bcd16468ed77bdab3f25ced6555f8d2639d9f62b7afc803d8f0f0e192a792549
MD5 ff74b9bb77543813c72c82a3854a7b8a
SHA1 0913aee874b54cd5920f0e200f8ef18953ff0460
SHA512 1ac24bdafd9d0eb3b3559dbb33326d3fafbf311f133a4f037e68c182fd7a0eb13fc896c500ecde20ae97a330cfac46fcc3c2185bbc7b7ed79a7046caf01ab972
MD5 SHA1 SHA512

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Delta.exe

Path C:\Users\Admin\AppData\Roaming\Delta.exe
Size 94KB
SHA256 8967ae806bc8107efcf7aa3b20e1604d0a0aef971cac4c35d4789f700beda4b3
MD5 f8aed68ce540407df450238d7fb28ea8
SHA1 b573ed8b2777763f9af49c9f5db3e9acbcf8c46d
SHA512 7dfc408433b69468efc59a618af344aada4d2fd009c479ecb5bec31f4ec53ea16b0454dece2ce81e8ae506565965b65c5e260e4c060b4ef44fbb61b052cb0aac
SSDEEP 1536:AWlB7uzdA0xerhCDQX+bu8VZ866DOS8mQSeUa/uoDjSBSc7UtYVL:AGuAUewDQX+buzHO9Rn1W0cgteL
MD5 SHA1 SHA512 SSDEEP

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memory/600-60-0x00007FF89DDC3000-0x00007FF89DDC5000-memory.dmp

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memory/600-57-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

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memory/600-0-0x0000000000CF0000-0x0000000000D0E000-memory.dmp

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memory/600-62-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

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memory/600-71-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

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memory/600-1-0x00007FF89DDC3000-0x00007FF89DDC5000-memory.dmp

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memory/4796-18-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

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memory/4796-15-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

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memory/4796-14-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

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memory/4796-13-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

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memory/4796-12-0x00007FF89DDC0000-0x00007FF89E881000-memory.dmp

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memory/4796-2-0x000002027DF50000-0x000002027DF72000-memory.dmp

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