xworm | ca608f15c34d7526591d75a76d1a29ef03e17c133ef2dfb7dda09be631d0e449

Analysis

max time kernel
6s
max time network
28s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 20:28

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General

Target

gjruheigerg.exe
Size

84KB
MD5

b5fbb4aec5eaf3f64a592e72ac30a1ab
SHA1

993b36feeb223032ec7a536687cfe37ddf2ffd39
SHA256

ca608f15c34d7526591d75a76d1a29ef03e17c133ef2dfb7dda09be631d0e449
SHA512

8768a68783e11654da0815b574e7e20c3cdaa4b4f710b6d288f9a69082f040177d32b2fdaf34b42239308ea21d4e3fc4319b67145b0f2b8126a4fc7a007dcc53
SSDEEP

1536:Xb5H+OMwTEBrZ5idVjzXGbhpTw6DG6GiyoAOsjJKVV4yAETSAJ0iH:rgG0FkbH2bhpM6NAOsViyylyY

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

79.202.250.5:80

Attributes

Install_directory
%Temp%
install_file
discord_autoupdaterconfifm.exe
telegram
https://api.telegram.org/bot7345950584:AAH5ca8n_1S4bD12cZuSsr23SjFGXJYzRk0

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/3064-1-0x00000000006E0000-0x00000000006FC000-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

2364 powershell.exe
3652 powershell.exe
2204 powershell.exe
4496 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:

gjruheigerg.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation gjruheigerg.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

25 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

Processes:

schtasks.exe

pid process

3176 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exe

pid process

2364 powershell.exe
2364 powershell.exe
2364 powershell.exe
3652 powershell.exe
3652 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

gjruheigerg.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3064 gjruheigerg.exe
Token: SeDebugPrivilege 2364 powershell.exe
Token: SeDebugPrivilege 3652 powershell.exe

resource	yara_rule
behavioral2/memory/3064-1-0x00000000006E0000-0x00000000006FC000-memory.dmp	family_xworm

pid	process
2364	powershell.exe
3652	powershell.exe
2204	powershell.exe
4496	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation	gjruheigerg.exe

flow	ioc
25	ip-api.com

pid	process
3176	schtasks.exe

pid	process
2364	powershell.exe
2364	powershell.exe
2364	powershell.exe
3652	powershell.exe
3652	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3064	gjruheigerg.exe
Token: SeDebugPrivilege	2364	powershell.exe
Token: SeDebugPrivilege	3652	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

gjruheigerg.exe

description	pid	process	target process
PID 3064 wrote to memory of 2364	3064	gjruheigerg.exe	powershell.exe
PID 3064 wrote to memory of 2364	3064	gjruheigerg.exe	powershell.exe
PID 3064 wrote to memory of 3652	3064	gjruheigerg.exe	powershell.exe
PID 3064 wrote to memory of 3652	3064	gjruheigerg.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\gjruheigerg.exe
"C:\Users\Admin\AppData\Local\Temp\gjruheigerg.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3064

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\gjruheigerg.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2364

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'gjruheigerg.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3652

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\discord_autoupdaterconfifm.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
PID:2204

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'discord_autoupdaterconfifm.exe'
2⤵
- Command and Scripting Interpreter: PowerShell
PID:4496

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "discord_autoupdaterconfifm" /tr "C:\Users\Admin\AppData\Local\Temp\discord_autoupdaterconfifm.exe"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:3176

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 --field-trial-handle=4064,i,3595107284059830391,18018199024659337217,262144 --variations-seed-version --mojo-platform-channel-handle=4160 /prefetch:8
1⤵
PID:5072

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
PID:384

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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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
83685d101174171875b4a603a6c2a35c

SHA1
37be24f7c4525e17fa18dbd004186be3a9209017

SHA256
0c557845aab1da497bbff0e8fbe65cabf4cb2804b97ba8ae8c695a528af70870

SHA512
005a97a8e07b1840abdcef86a7881fd9bdc8acbfdf3eafe1dceb6374060626d81d789e57d87ca4096a39e28d5cca00f8945edff0a747591691ae75873d2b3fb5

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_phrfvpb2.uzw.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/384-66-0x00000278A01A0000-0x00000278A01A1000-memory.dmp

Filesize
4KB

Download
memory/384-56-0x00000278A01A0000-0x00000278A01A1000-memory.dmp

Filesize
4KB

Download
memory/384-61-0x00000278A01A0000-0x00000278A01A1000-memory.dmp

Filesize
4KB

Download
memory/384-62-0x00000278A01A0000-0x00000278A01A1000-memory.dmp

Filesize
4KB

Download
memory/384-63-0x00000278A01A0000-0x00000278A01A1000-memory.dmp

Filesize
4KB

Download
memory/384-64-0x00000278A01A0000-0x00000278A01A1000-memory.dmp

Filesize
4KB

Download
memory/384-65-0x00000278A01A0000-0x00000278A01A1000-memory.dmp

Filesize
4KB

Download
memory/384-67-0x00000278A01A0000-0x00000278A01A1000-memory.dmp

Filesize
4KB

Download
memory/384-55-0x00000278A01A0000-0x00000278A01A1000-memory.dmp

Filesize
4KB

Download
memory/384-57-0x00000278A01A0000-0x00000278A01A1000-memory.dmp

Filesize
4KB

Download
memory/2364-13-0x00007FFCB0DB0000-0x00007FFCB1871000-memory.dmp

Filesize
10.8MB

Download
memory/2364-14-0x00007FFCB0DB0000-0x00007FFCB1871000-memory.dmp

Filesize
10.8MB

Download
memory/2364-12-0x000001BEC8400000-0x000001BEC8422000-memory.dmp

Filesize
136KB

Download
memory/2364-18-0x00007FFCB0DB0000-0x00007FFCB1871000-memory.dmp

Filesize
10.8MB

Download
memory/2364-15-0x00007FFCB0DB0000-0x00007FFCB1871000-memory.dmp

Filesize
10.8MB

Download
memory/3064-54-0x00007FFCB0DB3000-0x00007FFCB0DB5000-memory.dmp

Filesize
8KB

Download
memory/3064-1-0x00000000006E0000-0x00000000006FC000-memory.dmp

Filesize
112KB

Download
memory/3064-0-0x00007FFCB0DB3000-0x00007FFCB0DB5000-memory.dmp

Filesize
8KB

Download
memory/3064-2-0x00007FFCB0DB0000-0x00007FFCB1871000-memory.dmp

Filesize
10.8MB

Download
memory/3064-68-0x00007FFCB0DB0000-0x00007FFCB1871000-memory.dmp

Filesize
10.8MB

Download