xworm | 52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6f

General

Target

52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe
Size

69KB
MD5

f9abc48b0f85f12ea5b7e89fecdd9840
SHA1

5990c39a8a55085e2a4135370dea95b94dfb7ded
SHA256

52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6f
SHA512

e4ec7e40b573dbd6972cf473a595ac8f41e9541ef2fd21a956b3f6ca07b4e264b1b90b34c5dda1650c83c5b7b2df4ca4929727ae47c27be5573ff7c7199a3c80
SSDEEP

1536:PS5NzElzEF7D3EbZvzAlEM+bl7upO6bWO0Lxv:PS5dElAp3Elbez+bloWO09v

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

office.mscdn.org:7009

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2372-1-0x0000000000F30000-0x0000000000F48000-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 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2376	powershell.exe
2764	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2376	powershell.exe
2764	powershell.exe
2372	52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe
Token: SeDebugPrivilege	2376	powershell.exe
Token: SeDebugPrivilege	2764	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2372	52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2376	2372	52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe	31
PID 2372 wrote to memory of 2376	2372	52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe	31
PID 2372 wrote to memory of 2376	2372	52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe	31
PID 2372 wrote to memory of 2764	2372	52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe	33
PID 2372 wrote to memory of 2764	2372	52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe	33
PID 2372 wrote to memory of 2764	2372	52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe	33

C:\Users\Admin\AppData\Local\Temp\52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe
"C:\Users\Admin\AppData\Local\Temp\52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2372
- 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\52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2376
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '52853393ccfb323ec997ed2484f89aeccb790d30473447290d94214484920f6fN.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
90f2e9d9cba66577ed1f456602ee4be5

SHA1
54059836f7c98663f871b4f393c2a90049387f23

SHA256
05a89daabfdf2966e42d31a3a6a7034360de61f9ddb6bf3695fd6928552f6603

SHA512
0b5fda97608abc45857b66669b1d252067a8d4c7c2f33683efe2a4497c1f259d49bd5304094a8748f4dbdbff2633e3608444110c36f2213088c4652b67ac80f9

Download Submit
memory/2372-0-0x000007FEF57A3000-0x000007FEF57A4000-memory.dmp

Filesize
4KB

Download
memory/2372-1-0x0000000000F30000-0x0000000000F48000-memory.dmp

Filesize
96KB

Download
memory/2372-16-0x000000001ACF0000-0x000000001AD70000-memory.dmp

Filesize
512KB

Download
memory/2372-17-0x000007FEF57A3000-0x000007FEF57A4000-memory.dmp

Filesize
4KB

Download
memory/2372-18-0x000000001ACF0000-0x000000001AD70000-memory.dmp

Filesize
512KB

Download
memory/2376-6-0x0000000002C80000-0x0000000002D00000-memory.dmp

Filesize
512KB

Download
memory/2376-7-0x000000001B710000-0x000000001B9F2000-memory.dmp

Filesize
2.9MB

Download
memory/2376-8-0x0000000002860000-0x0000000002868000-memory.dmp

Filesize
32KB

Download
memory/2764-14-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

Filesize
2.9MB

Download
memory/2764-15-0x0000000002910000-0x0000000002918000-memory.dmp

Filesize
32KB

Download

Analysis

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