xworm | 126768651264590e0c0ea854824c503c0ad8c4865a96a5e77ec1b8a68c7f1f2a

General

Target

Loader/Loader.exe
Size

65KB
MD5

953c5ee665a24382859895c809863f71
SHA1

bd5d449219e4ac4e85fd7bb73d7d01b25510ccb1
SHA256

4b0cb85d10fc187ab5e035b7d645b16e454c82a352cf5f2203ababb0b891b02c
SHA512

244509e35905d70df2f660df27b1314afa2dbc3e43eedc27ed96fdffc405ca92ada9a1f9c39dabd0a74eadb0d54b8de65386459e92b5a28d57b3cdb93246be36
SSDEEP

1536:iYkFPI9d/06aXbJp5vUMyuw62POmi7ULfGn:2q0VbJpFVYOV7UjGn

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:26958

rule-lit.gl.at.ply.gg:26958

winter-waterfall-41970.pktriot.net:26958

prices-hospitals.gl.at.ply.gg:26958

Attributes

Install_directory
%AppData%
install_file
GoogleDefenderDebuggerx64.exe

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4848-1-0x00000000004C0000-0x00000000004D6000-memory.dmp	family_xworm

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

2136 powershell.exe
2028 powershell.exe
1892 powershell.exe
4116 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:

Loader.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation Loader.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	Loader.exe

Drops startup file 2 IoCs

Processes:

Loader.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GoogleDefenderDebuggerx64.lnk	Loader.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GoogleDefenderDebuggerx64.lnk	Loader.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

9 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
9	ip-api.com

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exeLoader.exe

pid	process
2136	powershell.exe
2136	powershell.exe
2028	powershell.exe
2028	powershell.exe
2028	powershell.exe
1892	powershell.exe
1892	powershell.exe
1892	powershell.exe
4116	powershell.exe
4116	powershell.exe
4116	powershell.exe
4848	Loader.exe
4848	Loader.exe

Suspicious behavior: LoadsDriver 6 IoCs

Processes:

pid

4
4
4
4
4
676

pid
4
4
4
4
4
676

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Loader.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4848	Loader.exe
Token: SeDebugPrivilege	2136	powershell.exe
Token: SeDebugPrivilege	2028	powershell.exe
Token: SeDebugPrivilege	1892	powershell.exe
Token: SeDebugPrivilege	4116	powershell.exe
Token: SeDebugPrivilege	4848	Loader.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Loader.exe

pid process

4848 Loader.exe

pid	process
4848	Loader.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Loader.exe

description	pid	process	target process
PID 4848 wrote to memory of 2136	4848	Loader.exe	powershell.exe
PID 4848 wrote to memory of 2136	4848	Loader.exe	powershell.exe
PID 4848 wrote to memory of 2028	4848	Loader.exe	powershell.exe
PID 4848 wrote to memory of 2028	4848	Loader.exe	powershell.exe
PID 4848 wrote to memory of 1892	4848	Loader.exe	powershell.exe
PID 4848 wrote to memory of 1892	4848	Loader.exe	powershell.exe
PID 4848 wrote to memory of 4116	4848	Loader.exe	powershell.exe
PID 4848 wrote to memory of 4116	4848	Loader.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\Loader\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader\Loader.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:4848

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\Loader\Loader.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2136

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Loader.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2028

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\GoogleDefenderDebuggerx64.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'GoogleDefenderDebuggerx64.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4116

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4128 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:1892

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --default-search-provider=? --out-pipe-name=MSEdgeDefault05008589h8773h43d5hb1f8h80f766a31316
1⤵
PID:3868

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5276

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
3a6bad9528f8e23fb5c77fbd81fa28e8

SHA1
f127317c3bc6407f536c0f0600dcbcf1aabfba36

SHA256
986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05

SHA512
846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
3505effaead0f06d098f1aec01836881

SHA1
94bafdbeb2f5adbd8cec709574df5b8dbcc5eba3

SHA256
5d39a25ff8842c7c14aa14f99c5e3e1606fb7516c57f03dc41069df3c3de0517

SHA512
934d8eab5bc2ec20e800c668f3c3434829feade4771918a22d712f7ba39f91f93877a1e9dc1beac966646af0c9dd2cf118041535143b3abc585fea8dfb1299f5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
2d6baabb78161c2401e97f08de1b3b4e

SHA1
7bd22cebd5f310d8ac2ef8027caf6a0ec3bf709e

SHA256
1cea816e9897ec6852edb3671e5a93b05ea817bc969c4d47ee70f5573f95df42

SHA512
9f35b70cdb0159002143296f11dd22bec6e28836d36bb2ec0527692935cfc3f43df54871a9397bbdf2aaf6912943968310320433ca51a39e360d7227262c754c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bxkkr5xj.z2u.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2136-4-0x00007FFE6DE90000-0x00007FFE6E951000-memory.dmp

Filesize
10.8MB

Download
memory/2136-14-0x000001C6F5B80000-0x000001C6F5BA2000-memory.dmp

Filesize
136KB

Download
memory/2136-15-0x00007FFE6DE90000-0x00007FFE6E951000-memory.dmp

Filesize
10.8MB

Download
memory/2136-16-0x00007FFE6DE90000-0x00007FFE6E951000-memory.dmp

Filesize
10.8MB

Download
memory/2136-17-0x00007FFE6DE90000-0x00007FFE6E951000-memory.dmp

Filesize
10.8MB

Download
memory/2136-20-0x00007FFE6DE90000-0x00007FFE6E951000-memory.dmp

Filesize
10.8MB

Download
memory/2136-3-0x00007FFE6DE90000-0x00007FFE6E951000-memory.dmp

Filesize
10.8MB

Download
memory/4848-0-0x00007FFE6DE93000-0x00007FFE6DE95000-memory.dmp

Filesize
8KB

Download
memory/4848-2-0x00007FFE6DE90000-0x00007FFE6E951000-memory.dmp

Filesize
10.8MB

Download
memory/4848-1-0x00000000004C0000-0x00000000004D6000-memory.dmp

Filesize
88KB

Download
memory/4848-59-0x00007FFE6DE93000-0x00007FFE6DE95000-memory.dmp

Filesize
8KB

Download
memory/4848-60-0x00007FFE6DE90000-0x00007FFE6E951000-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