xworm | f0a686f2fa59128abb1a1864a35ca6eddb07e907f342e7e242cdd97be8ab9d1a

Analysis

max time kernel
23s
max time network
25s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 18:20

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General

Target

ModifiedInjectedScript.ps1
Size

245KB
MD5

fbd0c3840741789fbd9134bc238ef0bf
SHA1

484099f778d8e06fc7c85dd07722ce6a66e5263c
SHA256

f0a686f2fa59128abb1a1864a35ca6eddb07e907f342e7e242cdd97be8ab9d1a
SHA512

b521579d79ca422fb001ec5bf659fd46db100513c6f01a13eb0dba972f2abe737772e2934805920e56aa2f9bbc1efedbcd3e9da160c869cc97f63b46a2a32429
SSDEEP

1536:CBLDlZMXoSumX+Kh2g5Im01XS76UgWYtvEdoSmNHfmZ26zgEPGtkkhZlNkTD5lUc:CNxvXQP2l80c6MJZs5clpY9GmOPdJ

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

super-nearest.gl.at.ply.gg:17835

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/3416-31-0x0000000007370000-0x0000000007386000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1860	powershell.exe
3872	powershell.exe
5100	powershell.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
17	ip-api.com

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1860	powershell.exe
1860	powershell.exe
1860	powershell.exe
3872	powershell.exe
3872	powershell.exe
5100	powershell.exe
5100	powershell.exe
3416	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	1860	powershell.exe
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeDebugPrivilege	3416	Explorer.EXE
Token: SeDebugPrivilege	3872	powershell.exe
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeDebugPrivilege	5100	powershell.exe
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeDebugPrivilege	3416	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3416	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 464	1860	powershell.exe	86
PID 1860 wrote to memory of 464	1860	powershell.exe	86
PID 464 wrote to memory of 2712	464	csc.exe	87
PID 464 wrote to memory of 2712	464	csc.exe	87
PID 1860 wrote to memory of 3416	1860	powershell.exe	56
PID 3416 wrote to memory of 3872	3416	Explorer.EXE	93
PID 3416 wrote to memory of 3872	3416	Explorer.EXE	93
PID 3416 wrote to memory of 5100	3416	Explorer.EXE	95
PID 3416 wrote to memory of 5100	3416	Explorer.EXE	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\ModifiedInjectedScript.ps1
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\qknb5mkr\qknb5mkr.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:464
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESAE41.tmp" "c:\Users\Admin\AppData\Local\Temp\qknb5mkr\CSC2CB85A5DAD2D4F229F175BF6161CBA6.TMP"
      4⤵
      PID:2712
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Explorer.EXE'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3872
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Explorer.EXE'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5100

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
556084f2c6d459c116a69d6fedcc4105

SHA1
633e89b9a1e77942d822d14de6708430a3944dbc

SHA256
88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

SHA512
0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

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

Filesize
1KB

MD5
d336b18e0e02e045650ac4f24c7ecaa7

SHA1
87ce962bb3aa89fc06d5eb54f1a225ae76225b1c

SHA256
87e250ac493525f87051f19207d735b28aa827d025f2865ffc40ba775db9fc27

SHA512
e538e4ecf771db02745061f804a0db31f59359f32195b4f8c276054779509eaea63665adf6fedbb1953fa14eb471181eb085880341c7368330d8c3a26605bb18

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\Temp\RESAE41.tmp

Filesize
1KB

MD5
f223c376c2426090012d00fffc89d892

SHA1
3b3ae37b104eef5b5eac193b53a4aca4f6203010

SHA256
e8e7b5908b6a7b1bfdedee42be504c3cf37884569438282849faa62aad2cf46b

SHA512
6649e31c1212d4b99081fe8b5982cd3fea8d6a76c05856526bfc38a5a751c5477562a68d2ce13df9647882c4402cca650b1eddcd2003ee91614f0067097bd2ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vssyr24a.2nv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\qknb5mkr\qknb5mkr.dll

Filesize
3KB

MD5
22ccf0894bb01c08f8d9c7b8c61a1273

SHA1
4b94c72fb4c2886d70a630b541f433df05e8b831

SHA256
d470c7bf8650ec2b11139103f1bfce344ffe227c080796148d47a89d3b602b42

SHA512
d13d9c3858a35e6c1ac7c88cb04489382ea7d09b60a474bbf8334ca1b576d09211839357fca42e2128083d466d9d5cddd84732d4fc91dee50f898067eaf319d2

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\qknb5mkr\CSC2CB85A5DAD2D4F229F175BF6161CBA6.TMP

Filesize
652B

MD5
5aa90e84aef80d17ced9dd787f7cd409

SHA1
da28674119f75997b937887b9fc50f2901f784ae

SHA256
e6967de5eb9aaebe620ba561d696aef67b1d43b9dbb4a4f1895aaebdfba01742

SHA512
2fff23fcc8cb072eb7052e3525361539c7b43c5d21f55298961658935ef7ce8949ebefd2928bdb39d45bd0d80e51c92ec5dd88ea387976fb2eb7777c7a15df5e

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\qknb5mkr\qknb5mkr.0.cs

Filesize
1KB

MD5
a4fef4759647eadc277a4ee8b396f836

SHA1
fa76fe82aad72a7e94add1ef80fb64798de5ee58

SHA256
49ac01fa1eb4fc3c8e58569c2ed930dcbbb24bac902a58c4ce0539f91186079f

SHA512
7702b8220809f8f65d6e164a40dae5914d12bd1fce0ed256256310f3670419ef33407d42071da6305bd74168a013f0953f4a43d2459decc8b702682e2a32b54c

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\qknb5mkr\qknb5mkr.cmdline

Filesize
369B

MD5
c7ca0bcd1eac8378c1c33165073d9ed1

SHA1
92b5d3043114005a4ed830269991180786e2dafe

SHA256
a7375c8a8b1edb9f4137b8d0e90b8af9a78ef0324a741848e2586b72c6e75115

SHA512
c8d5c2f22a1ece03645fc5e3b3cb64c0961fc741090700703817581ca73f137e43a432bb65073bb3524be8626f7accc885f81b00c87992bb4cee432b888ed16d

Download Submit
memory/1860-28-0x00007FFD204F0000-0x00007FFD20FB1000-memory.dmp

Filesize
10.8MB

Download
memory/1860-34-0x00007FFD204F0000-0x00007FFD20FB1000-memory.dmp

Filesize
10.8MB

Download
memory/1860-6-0x0000029171D30000-0x0000029171D52000-memory.dmp

Filesize
136KB

Download
memory/1860-0-0x00007FFD204F3000-0x00007FFD204F5000-memory.dmp

Filesize
8KB

Download
memory/1860-29-0x000002916F680000-0x000002916F690000-memory.dmp

Filesize
64KB

Download
memory/1860-11-0x00007FFD204F0000-0x00007FFD20FB1000-memory.dmp

Filesize
10.8MB

Download
memory/1860-12-0x00007FFD204F0000-0x00007FFD20FB1000-memory.dmp

Filesize
10.8MB

Download
memory/1860-25-0x0000029171A00000-0x0000029171A08000-memory.dmp

Filesize
32KB

Download
memory/3416-35-0x00007FFD204F0000-0x00007FFD20FB1000-memory.dmp

Filesize
10.8MB

Download
memory/3416-36-0x00007FFD204F0000-0x00007FFD20FB1000-memory.dmp

Filesize
10.8MB

Download
memory/3416-31-0x0000000007370000-0x0000000007386000-memory.dmp

Filesize
88KB

Download
memory/3416-30-0x00007FFD204F3000-0x00007FFD204F5000-memory.dmp

Filesize
8KB

Download
memory/3416-27-0x0000000002AA0000-0x0000000002AB7000-memory.dmp

Filesize
92KB

Download
memory/3416-60-0x00007FFD204F0000-0x00007FFD20FB1000-memory.dmp

Filesize
10.8MB

Download
memory/3416-61-0x00007FFD204F0000-0x00007FFD20FB1000-memory.dmp

Filesize
10.8MB

Download
memory/3416-62-0x0000000008520000-0x000000000852C000-memory.dmp

Filesize
48KB

Download