xworm | c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da

Reason

Machine shutdown

General

Target

c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe
Size

45KB
MD5

50865a176b8488660e702360586d9095
SHA1

9243deb9dea940b01eae75f7771074d9e5ae40f4
SHA256

c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da
SHA512

1a6b5b540658adeb22c797233b834dfa7ce137708dda90659d3e62860db178f008d7cadaccc165cea63b338c7688ccce75ba1482e6c9ed7d6566a01aaad47303
SSDEEP

768:qbG5pfJFqBb6CoE0RwnuU3zQK4JTXBlirp9bqY5wu6v6QhOObOPmOi5:aG5oBDorRwuUDKbPit9bH5K6QsOSPmOk

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

23.ip.gl.ply.gg:51779

Mutex

SXjK4ZMu0P1Nn0Nq

Attributes

Install_directory
%AppData%
install_file
svchost.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4812-1-0x00000000005F0000-0x0000000000602000-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
2164	powershell.exe
3464	powershell.exe
2772	powershell.exe
2352	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.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

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1660	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2164	powershell.exe
2164	powershell.exe
3464	powershell.exe
3464	powershell.exe
2772	powershell.exe
2772	powershell.exe
2352	powershell.exe
2352	powershell.exe
4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe
Token: SeDebugPrivilege	2164	powershell.exe
Token: SeDebugPrivilege	3464	powershell.exe
Token: SeDebugPrivilege	2772	powershell.exe
Token: SeDebugPrivilege	2352	powershell.exe
Token: SeDebugPrivilege	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 2164	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe	88
PID 4812 wrote to memory of 2164	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe	88
PID 4812 wrote to memory of 3464	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe	92
PID 4812 wrote to memory of 3464	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe	92
PID 4812 wrote to memory of 2772	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe	96
PID 4812 wrote to memory of 2772	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe	96
PID 4812 wrote to memory of 2352	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe	98
PID 4812 wrote to memory of 2352	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe	98
PID 4812 wrote to memory of 1660	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe	103
PID 4812 wrote to memory of 1660	4812	c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe	103

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\c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe
"C:\Users\Admin\AppData\Local\Temp\c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.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:4812
- 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\c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2164
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'c9faa2b4ac0f4502e84433b2636cf532960d2065e6089f74b8a18afe915a84da.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3464
- 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\svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2772
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2352
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
944B

MD5
75d224e238a397659d8e5cf458a41143

SHA1
d182d16283d3d864a2e328b677551428c29ad6df

SHA256
6a98fa5e6c5b77722f2bd8c855fd14d6bf545fc35b292252d1dc136b89ed2fee

SHA512
3477f3b4182ffdccc817de4242c8fcba706c193a0de5170cd023f8df3d330487d7e372556524b5a0fe1df56de40923700f3f8368eadf6601970e347cbcf078cc

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

Filesize
944B

MD5
3b444d3f0ddea49d84cc7b3972abe0e6

SHA1
0a896b3808e68d5d72c2655621f43b0b2c65ae02

SHA256
ab075b491d20c6f66c7bd40b57538c1cfdaab5aac4715bfe3bbc7f4745860a74

SHA512
eb0ab5d68472ec42de4c9b6d84306d7bca3874be1d0ac572030a070f21a698432418068e1a6006ff88480be8c8f54c769dee74b2def403f734109dba7261f36b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pse4vsyt.god.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2164-14-0x000001E2C0300000-0x000001E2C0322000-memory.dmp

Filesize
136KB

Download
memory/2164-15-0x00007FFB10F40000-0x00007FFB11A01000-memory.dmp

Filesize
10.8MB

Download
memory/2164-18-0x00007FFB10F40000-0x00007FFB11A01000-memory.dmp

Filesize
10.8MB

Download
memory/2164-4-0x00007FFB10F40000-0x00007FFB11A01000-memory.dmp

Filesize
10.8MB

Download
memory/2164-3-0x00007FFB10F40000-0x00007FFB11A01000-memory.dmp

Filesize
10.8MB

Download
memory/4812-0-0x00007FFB10F43000-0x00007FFB10F45000-memory.dmp

Filesize
8KB

Download
memory/4812-2-0x00007FFB10F40000-0x00007FFB11A01000-memory.dmp

Filesize
10.8MB

Download
memory/4812-1-0x00000000005F0000-0x0000000000602000-memory.dmp

Filesize
72KB

Download
memory/4812-52-0x00007FFB10F43000-0x00007FFB10F45000-memory.dmp

Filesize
8KB

Download
memory/4812-58-0x00007FFB10F40000-0x00007FFB11A01000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads