xworm | 2d0936804bfa8aedd998cbfb27485f1816222f17921d14705e390c5622b232ad

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27/05/2024, 08:45

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General

Target
читы.exe
Size 105KB
Sample240527-kn2a2aea9v
SHA256 2d0936804bfa8aedd998cbfb27485f1816222f17921d14705e390c5622b232ad
MD5 7c4229f56dd1abf353b7615e099cb3a8
SHA1 f1a2545b0d9b1f686d456c60fcd87c3c4ee93d08
SHA512 e961a5a7b44fdfc0cbdedbb48320afa5097c8ff5f7d1880069e4120ee0bfe2d0642d3b7b7977c815c6f96b9c0f66028f26a2a0bfcdef5cca363269dff780af41
SSDEEP 3072:ydqfxEp09Xt1m+b1pNkLP+uOoo9wmfAn1W0cgte8:ydq5F9HbvNkK4oPAng0ct
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

advertise-located.gl.at.ply.gg:54921
19.ip.gl.ply.gg:54921
XWorm V5.2:123

Attributes

Install_directory
%AppData%
install_file
Delta.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2652-0-0x0000000000530000-0x0000000000550000-memory.dmp	family_xworm
behavioral2/files/0x0008000000022978-57.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
4488	powershell.exe
3012	powershell.exe
1828	powershell.exe
2648	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	читы.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2448	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"	читы.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
4316	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4420	timeout.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3012	powershell.exe
3012	powershell.exe
1828	powershell.exe
1828	powershell.exe
2648	powershell.exe
2648	powershell.exe
4488	powershell.exe
4488	powershell.exe
2652	читы.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	читы.exe
Token: SeDebugPrivilege	3012	powershell.exe
Token: SeDebugPrivilege	1828	powershell.exe
Token: SeDebugPrivilege	2648	powershell.exe
Token: SeDebugPrivilege	4488	powershell.exe
Token: SeDebugPrivilege	2652	читы.exe
Token: SeDebugPrivilege	2448	Delta.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2652	читы.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 3012	2652	читы.exe	93
PID 2652 wrote to memory of 3012	2652	читы.exe	93
PID 2652 wrote to memory of 1828	2652	читы.exe	96
PID 2652 wrote to memory of 1828	2652	читы.exe	96
PID 2652 wrote to memory of 2648	2652	читы.exe	98
PID 2652 wrote to memory of 2648	2652	читы.exe	98
PID 2652 wrote to memory of 4488	2652	читы.exe	101
PID 2652 wrote to memory of 4488	2652	читы.exe	101
PID 2652 wrote to memory of 4316	2652	читы.exe	103
PID 2652 wrote to memory of 4316	2652	читы.exe	103
PID 2652 wrote to memory of 396	2652	читы.exe	112
PID 2652 wrote to memory of 396	2652	читы.exe	112
PID 2652 wrote to memory of 5060	2652	читы.exe	114
PID 2652 wrote to memory of 5060	2652	читы.exe	114
PID 5060 wrote to memory of 4420	5060	cmd.exe	116
PID 5060 wrote to memory of 4420	5060	cmd.exe	116

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\читы.exe
"C:\Users\Admin\AppData\Local\Temp\читы.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:2652
- 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\читы.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3012
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'читы.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1828
- 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:2648
- 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:4488
- 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:4316
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "Delta"
  2⤵
  PID:396
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF1A3.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5060
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4420

C:\Users\Admin\AppData\Roaming\Delta.exe
C:\Users\Admin\AppData\Roaming\Delta.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2448

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 c4c53abb13e99475aebfbe9fec7a8fead81c14c80d9dcc2b81375304f3a683fe
MD5 a43e653ffb5ab07940f4bdd9cc8fade4
SHA1 af43d04e3427f111b22dc891c5c7ee8a10ac4123
SHA512 62a97e95e1f19a8d4302847110dae44f469877eed6aa8ea22345c6eb25ee220e7d310fa0b7ec5df42356815421c0af7c46a0f1fee8933cc446641800eda6cd1b
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 5ec50aa1ce2f6eb950d211b2db96fb221ad1f1c23c67e1eb773b8b49d14fe8f0
MD5 f9a34206d3c65e9361a2b802f8099882
SHA1 972570b8609d524dce821e4648339e3887e1da86
SHA512 a6969e553606805e32b24d7d6abcd13d03334378ab8364b73ba1e0cf699d3152ab240ce60318d66c35fbf555cb8d06fdc727c94f2dddaafff504eaf4af8177d0
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 c3077e4cadb4ed246c02abe55aa6cf832fee4c2546b7addb7d22cd1c7c8c1294
MD5 96e3b86880fedd5afc001d108732a3e5
SHA1 8fc17b39d744a9590a6d5897012da5e6757439a3
SHA512 909b1968f7204fa7029109b02232d8cc5438f6b4dc7c9044e4e47c59fcee538199b13029e36592b12ed573d48a308dd4822d2ced4129ab08d4111897e02be55d
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 692ec20c7039170fb199510f0436181fd155e6b4516d4d1c9e1675adf99aaa7f
MD5 ef72c47dbfaae0b9b0d09f22ad4afe20
SHA1 5357f66ba69b89440b99d4273b74221670129338
SHA512 7514b6bc8dc39fa618223300be27cd535dc35b18c66b4a089e2302e72b3e0cac06d88a989fa1296feb386b3cbe2084019df6430c7f895071b76e04ce559a30b4
MD5 SHA1 SHA512

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__PSScriptPolicyTest_bfxtldsc.q1y.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bfxtldsc.q1y.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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tmpF1A3.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpF1A3.tmp.bat
Size 160B
SHA256 a84c13bd2c771b45669b7a9591d4d7755b62f4743cd900d765e921f4dbeab87a
MD5 2e34fb1dd066fb0a4846e69c1eca20f3
SHA1 bfe70392d3acccf98d82a6b74ea215c1b4ae5a88
SHA512 43add330684aa642b5c22a1036a0ca5f84748c572029b311844a2cf5b2c358aadf000f81073eb734bc25683c434ca350bb3ec46a3b075d085363f90a46f80384
MD5 SHA1 SHA512

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Delta.exe

Path C:\Users\Admin\AppData\Roaming\Delta.exe
Size 105KB
SHA256 2d0936804bfa8aedd998cbfb27485f1816222f17921d14705e390c5622b232ad
MD5 7c4229f56dd1abf353b7615e099cb3a8
SHA1 f1a2545b0d9b1f686d456c60fcd87c3c4ee93d08
SHA512 e961a5a7b44fdfc0cbdedbb48320afa5097c8ff5f7d1880069e4120ee0bfe2d0642d3b7b7977c815c6f96b9c0f66028f26a2a0bfcdef5cca363269dff780af41
SSDEEP 3072:ydqfxEp09Xt1m+b1pNkLP+uOoo9wmfAn1W0cgte8:ydq5F9HbvNkK4oPAng0ct
MD5 SHA1 SHA512 SSDEEP

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memory/2652-56-0x00007FFFEFE50000-0x00007FFFF0911000-memory.dmp

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memory/2652-0-0x0000000000530000-0x0000000000550000-memory.dmp

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memory/2652-59-0x00007FFFEFE53000-0x00007FFFEFE55000-memory.dmp

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memory/2652-61-0x000000001BA10000-0x000000001BA1C000-memory.dmp

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memory/2652-62-0x00007FFFEFE50000-0x00007FFFF0911000-memory.dmp

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memory/2652-68-0x00007FFFEFE50000-0x00007FFFF0911000-memory.dmp

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memory/2652-1-0x00007FFFEFE53000-0x00007FFFEFE55000-memory.dmp

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memory/3012-17-0x00007FFFEFE50000-0x00007FFFF0911000-memory.dmp

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memory/3012-14-0x00007FFFEFE50000-0x00007FFFF0911000-memory.dmp

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memory/3012-13-0x00007FFFEFE50000-0x00007FFFF0911000-memory.dmp

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memory/3012-12-0x00007FFFEFE50000-0x00007FFFF0911000-memory.dmp

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memory/3012-11-0x0000024B740B0000-0x0000024B740D2000-memory.dmp

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