xworm | d75d921b14ef15d53625282a961bfe8815c076c250fc6d06a4d535f4256beecd

General

Target

changeyourmapin5s.exe
Size

103KB
MD5

8544b7a07ac964e9398db5ced02de51f
SHA1

9dd166931a20c364bf91726b19a8c66fc18495e0
SHA256

d75d921b14ef15d53625282a961bfe8815c076c250fc6d06a4d535f4256beecd
SHA512

3f2b24bf952b73954bbc2495423bebef7d44848a76a26a52bfd3521ef330389a81fddf963d3b2e5170a0381900fbc27a0aa900b1d8eea6009a94ec45f1e6c55d
SSDEEP

1536:G0H/ps0R8ZAfDjxRux8iPtCofEJSnknpHQINH+IIdRh8z9z1cQTnr45LpF/9:VRs0YyLasMEgnD8Ib6zRnALpH

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:14333

previous-contests.gl.at.ply.gg:14333

Mutex

GH9VJU0DztsBgWNu

Attributes

Install_directory
%AppData%
install_file
XClient.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5016-2-0x000001B202E70000-0x000001B202E80000-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

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	Process
2856	powershell.exe
1020	powershell.exe
2116	powershell.exe
3148	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

Processes:

changeyourmapin5s.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	changeyourmapin5s.exe

Drops startup file 2 IoCs

Processes:

changeyourmapin5s.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	changeyourmapin5s.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	changeyourmapin5s.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.

Processes:

flow	ioc
15	ip-api.com

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exechangeyourmapin5s.exe

pid	Process
1020	powershell.exe
1020	powershell.exe
2116	powershell.exe
2116	powershell.exe
3148	powershell.exe
3148	powershell.exe
2856	powershell.exe
2856	powershell.exe
5016	changeyourmapin5s.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

changeyourmapin5s.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	5016	changeyourmapin5s.exe
Token: SeDebugPrivilege	1020	powershell.exe
Token: SeDebugPrivilege	2116	powershell.exe
Token: SeDebugPrivilege	3148	powershell.exe
Token: SeDebugPrivilege	2856	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

changeyourmapin5s.exe

pid	Process
5016	changeyourmapin5s.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

changeyourmapin5s.exe

description	pid	Process	procid_target
PID 5016 wrote to memory of 1020	5016	changeyourmapin5s.exe	86
PID 5016 wrote to memory of 1020	5016	changeyourmapin5s.exe	86
PID 5016 wrote to memory of 2116	5016	changeyourmapin5s.exe	88
PID 5016 wrote to memory of 2116	5016	changeyourmapin5s.exe	88
PID 5016 wrote to memory of 3148	5016	changeyourmapin5s.exe	90
PID 5016 wrote to memory of 3148	5016	changeyourmapin5s.exe	90
PID 5016 wrote to memory of 2856	5016	changeyourmapin5s.exe	92
PID 5016 wrote to memory of 2856	5016	changeyourmapin5s.exe	92

C:\Users\Admin\AppData\Local\Temp\changeyourmapin5s.exe
"C:\Users\Admin\AppData\Local\Temp\changeyourmapin5s.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5016
- 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\changeyourmapin5s.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1020
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'changeyourmapin5s.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\AppData\Roaming\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3148
- 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:2856

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

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
2979eabc783eaca50de7be23dd4eafcf

SHA1
d709ce5f3a06b7958a67e20870bfd95b83cad2ea

SHA256
006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903

SHA512
92bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba

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

Filesize
944B

MD5
ba169f4dcbbf147fe78ef0061a95e83b

SHA1
92a571a6eef49fff666e0f62a3545bcd1cdcda67

SHA256
5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

SHA512
8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

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

Filesize
944B

MD5
eb1ad317bd25b55b2bbdce8a28a74a94

SHA1
98a3978be4d10d62e7411946474579ee5bdc5ea6

SHA256
9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

SHA512
d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rmt3bqo1.zdk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1020-4-0x00007FFB290C0000-0x00007FFB29B81000-memory.dmp

Filesize
10.8MB

Download
memory/1020-10-0x000001C2E79C0000-0x000001C2E79E2000-memory.dmp

Filesize
136KB

Download
memory/1020-15-0x00007FFB290C0000-0x00007FFB29B81000-memory.dmp

Filesize
10.8MB

Download
memory/1020-16-0x00007FFB290C0000-0x00007FFB29B81000-memory.dmp

Filesize
10.8MB

Download
memory/1020-19-0x00007FFB290C0000-0x00007FFB29B81000-memory.dmp

Filesize
10.8MB

Download
memory/5016-0-0x00007FFB290C3000-0x00007FFB290C5000-memory.dmp

Filesize
8KB

Download
memory/5016-3-0x00007FFB290C0000-0x00007FFB29B81000-memory.dmp

Filesize
10.8MB

Download
memory/5016-2-0x000001B202E70000-0x000001B202E80000-memory.dmp

Filesize
64KB

Download
memory/5016-1-0x000001B202AC0000-0x000001B202ACC000-memory.dmp

Filesize
48KB

Download
memory/5016-58-0x00007FFB290C3000-0x00007FFB290C5000-memory.dmp

Filesize
8KB

Download
memory/5016-59-0x00007FFB290C0000-0x00007FFB29B81000-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