xworm | 7d104083d0598fe421a7ba0d2ab9f10a1da8666a87266ab949c0b0cdf386da4b

General

Target

Wallet_Cracker/Setup/Setup.exe
Size

164KB
MD5

49bce6a66a0120329a165a14f0a98c28
SHA1

a0271522e0e368e32dac2883a7b8dd7cfdd719fe
SHA256

b77fa081d473eb46039e3edadc4ff86f2b80cb29266d4de240a8d56fcccec696
SHA512

cc4b5f946474064fe0ddd0ff13899ff77a0c631c2d044ab255576dba624a5c1e101ac6f42aef64da376bf829c4979f3cdf91e7e5a3ed40fa74b5dae718fff966
SSDEEP

3072:qNIAXlLCiiu6EabEvJuOu3/gBz65/M6If+3Js+3JFkKeTno:qFCiiuhabgJ+YxBt25

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7777

45.200.148.238:7777

Attributes

Install_directory
%Userprofile%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral3/memory/544-1-0x0000000000E50000-0x0000000000E80000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
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
4228	powershell.exe
2116	powershell.exe
4688	powershell.exe
3808	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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	Setup.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	Setup.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	Setup.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\XClient.exe"	Setup.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
13	ip-api.com

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

System Information Discovery
T1082

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
544	Setup.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4228	powershell.exe
4228	powershell.exe
2116	powershell.exe
2116	powershell.exe
4688	powershell.exe
4688	powershell.exe
3808	powershell.exe
3808	powershell.exe
544	Setup.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	544	Setup.exe
Token: SeDebugPrivilege	4228	powershell.exe
Token: SeDebugPrivilege	2116	powershell.exe
Token: SeDebugPrivilege	4688	powershell.exe
Token: SeDebugPrivilege	3808	powershell.exe
Token: SeDebugPrivilege	544	Setup.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
544	Setup.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 4228	544	Setup.exe	86
PID 544 wrote to memory of 4228	544	Setup.exe	86
PID 544 wrote to memory of 2116	544	Setup.exe	88
PID 544 wrote to memory of 2116	544	Setup.exe	88
PID 544 wrote to memory of 4688	544	Setup.exe	90
PID 544 wrote to memory of 4688	544	Setup.exe	90
PID 544 wrote to memory of 3808	544	Setup.exe	92
PID 544 wrote to memory of 3808	544	Setup.exe	92

C:\Users\Admin\AppData\Local\Temp\Wallet_Cracker\Setup\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Wallet_Cracker\Setup\Setup.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:544
- 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\Wallet_Cracker\Setup\Setup.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4228
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Setup.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2116
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4688
- 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:3808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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
2e907f77659a6601fcc408274894da2e

SHA1
9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

SHA256
385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

SHA512
34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

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

Filesize
944B

MD5
8f659389c6e21eb0c627fbae833500c7

SHA1
ae632f1e4af08587934ff168155b30e2b28d7475

SHA256
a12763453f79453dd8f25f0c90d001ffb5d409ec698491666c9f076c6bc60d8c

SHA512
f4849e0b1d6ab3d4dd054f590a359af8dd1b9d3df2ad78033ad1a59ebafb1ca96aa76fa9061a466d74e8e3266dc882818d79db47908b21ca3ef8be20e427d327

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

Filesize
944B

MD5
a9293ef980c925abe33d940554ed8575

SHA1
9b6d85f2595f7fd4923f52b21ab7607279066969

SHA256
8313a191aa9d11cce868d95ac9a9b1609275bfe93131fcb6e547b985b0242fbe

SHA512
2003d90bb2bc89378ccaeb9c5edf76b2dfd93c80369d063e56141abb8d7fea6acee6a103874ab227bc1548437269c8e4ee5174bf482ecf3d66c38f3e0ba35d85

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b4b50ffk.i23.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/544-1-0x0000000000E50000-0x0000000000E80000-memory.dmp

Filesize
192KB

Download
memory/544-2-0x00007FF91EF00000-0x00007FF91F9C1000-memory.dmp

Filesize
10.8MB

Download
memory/544-0-0x00007FF91EF03000-0x00007FF91EF05000-memory.dmp

Filesize
8KB

Download
memory/544-58-0x00007FF91EF00000-0x00007FF91F9C1000-memory.dmp

Filesize
10.8MB

Download
memory/544-30-0x00007FF91EF03000-0x00007FF91EF05000-memory.dmp

Filesize
8KB

Download
memory/4228-8-0x000002BE7BBB0000-0x000002BE7BBD2000-memory.dmp

Filesize
136KB

Download
memory/4228-18-0x00007FF91EF00000-0x00007FF91F9C1000-memory.dmp

Filesize
10.8MB

Download
memory/4228-15-0x00007FF91EF00000-0x00007FF91F9C1000-memory.dmp

Filesize
10.8MB

Download
memory/4228-14-0x00007FF91EF00000-0x00007FF91F9C1000-memory.dmp

Filesize
10.8MB

Download
memory/4228-9-0x00007FF91EF00000-0x00007FF91F9C1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads