xworm | 8a12e43e50b652c7b7c34210192fa128ed57bb18781c2b97fa650e4a00c6c151

Analysis

max time kernel
4s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09/06/2024, 14:44

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General

Target
XClient.exe
Size 70KB
Sample240609-r4lc3sbf4y
SHA256 8a12e43e50b652c7b7c34210192fa128ed57bb18781c2b97fa650e4a00c6c151
MD5 989689a7a0927e06da4a8ac0f84732c0
SHA1 4a8bf7162c816621f9979457aa10fd8d2fff754e
SHA512 8b38d0facdb92c280e965af8e2a4dbe8c227e7f5db14d51579613afb89840c53d806d25ad4d43f40bfa9326085a3e2e3dd9b134b9495190ea804d0fbaceb3621
SSDEEP 1536:DWjH031l6P7ANeX/pMu+bPVz5UOd674OCSzNS/SD:DMR8oRMu+bPXUOTOCSzGW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

dance-acres.gl.at.ply.gg:60153

Attributes

Install_directory
%LocalAppData%
install_file
svhost.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/208-0-0x00000000009F0000-0x0000000000A08000-memory.dmp	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
1096	powershell.exe
704	powershell.exe
2516	powershell.exe
3428	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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	XClient.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1096	powershell.exe
1096	powershell.exe
704	powershell.exe
704	powershell.exe
2516	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	208	XClient.exe
Token: SeDebugPrivilege	1096	powershell.exe
Token: SeDebugPrivilege	704	powershell.exe
Token: SeDebugPrivilege	2516	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 1096	208	XClient.exe	88
PID 208 wrote to memory of 1096	208	XClient.exe	88
PID 208 wrote to memory of 704	208	XClient.exe	92
PID 208 wrote to memory of 704	208	XClient.exe	92
PID 208 wrote to memory of 2516	208	XClient.exe	94
PID 208 wrote to memory of 2516	208	XClient.exe	94

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208
- 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⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1096
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:704
- 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\svhost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2516
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svhost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  PID:3428
- C:\Users\Admin\AppData\Local\Temp\sovthz.exe
  "C:\Users\Admin\AppData\Local\Temp\sovthz.exe"
  2⤵
  PID:1260

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x498 0x150
1⤵
PID:4376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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 21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
MD5 d28a889fd956d5cb3accfbaf1143eb6f
SHA1 157ba54b365341f8ff06707d996b3635da8446f7
SHA512 0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 347338241585c510bb1fafae13447879318610ca4d844b0e73089957911d77fe
MD5 4178a021dab6578724f63a6a72b9b13b
SHA1 8e5d61c21edaafe4e2257ebe53f9b37b723838b7
SHA512 0f49991948129415c2a02298072055d4de521e4a8cb9ae887bb2096683668fcb491b99d58fd6e239463a5ac981d756c4b2827cb52c1e1253b9cb114095e140c9
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 a5735921fc72189c8bf577f3911486cf031708dc8d6bc764fe3e593c0a053165
MD5 a7cc007980e419d553568a106210549a
SHA1 c03099706b75071f36c3962fcc60a22f197711e0
SHA512 b9aaf29403c467daef80a1ae87478afc33b78f4e1ca16189557011bb83cf9b3e29a0f85c69fa209c45201fb28baca47d31756eee07b79c6312c506e8370f7666
MD5 SHA1 SHA512

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__PSScriptPolicyTest_5gjldocx.dif.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5gjldocx.dif.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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sovthz.exe

Path C:\Users\Admin\AppData\Local\Temp\sovthz.exe
Size 2.4MB
SHA256 8f33534fd04867c7607d980d50e9f8abfed2d70f3fdff3e5514e7cf4539a9a91
MD5 7fd1b8fbfd95d2781656d41294547529
SHA1 efa594f75e2d653499df2d9266f28a6de2ed85be
SHA512 3acab9b8e6b105538a84479fe8542a192b6dbc8f19fc89107a81dd0e2cc6b87f5ae8f49750f7eeee8dd80313ebfbeb9b9f5a7091e0c76ef91e55522ecc72d3f8
SSDEEP 49152:j/XeGHi4uZqANETwhD30QmJ8d+3tlilsfLZqFnIAphRK/:DeGLANOwhD5bdwSsf5Aphy
MD5 SHA1 SHA512 SSDEEP

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memory/208-56-0x00007FFB52010000-0x00007FFB52AD1000-memory.dmp

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memory/208-0-0x00000000009F0000-0x0000000000A08000-memory.dmp

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memory/208-57-0x00007FFB52013000-0x00007FFB52015000-memory.dmp

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memory/208-58-0x00007FFB52010000-0x00007FFB52AD1000-memory.dmp

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memory/208-1-0x00007FFB52013000-0x00007FFB52015000-memory.dmp

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memory/1096-13-0x00007FFB52010000-0x00007FFB52AD1000-memory.dmp

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memory/1096-17-0x00007FFB52010000-0x00007FFB52AD1000-memory.dmp

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memory/1096-16-0x00007FFB52010000-0x00007FFB52AD1000-memory.dmp

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memory/1096-12-0x00007FFB52010000-0x00007FFB52AD1000-memory.dmp

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memory/1096-4-0x000002B359C40000-0x000002B359C62000-memory.dmp

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memory/1260-71-0x000002989EE50000-0x000002989F0AE000-memory.dmp

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