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Analysis
-
max time kernel
36s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/01/2025, 19:21 UTC
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10v2004-20241007-en
General
-
Target
XClient.exe
-
Size
42KB
-
MD5
3982031e2e82143cf90b273b6b614231
-
SHA1
5a212b3d718c26cb34fc043b19979bfd37b07934
-
SHA256
08a0be6e3717d3ac5e6117536f42dbc4e08ff41958eb059038f648c447146198
-
SHA512
e3eee612bea1d8277136a849494cd9e1767df8b77557349e7b35d8fc3dea82031e19f5d4da767fa7589e4623b6a46671b98b7110c7f802a5ac4f5a24b036ae5a
-
SSDEEP
768:x/CsBpA2DYSPdTls3AyZrl2F59g/OCh80R8lEZ:x/C2dD0wF59g/OCu1EZ
Malware Config
Extracted
xworm
5.0
https://pastebin.com/raw/cyX7R6Kt:1
H52DR5xUvBhWUz6h
-
Install_directory
%Userprofile%
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install_file
msconfig.exe
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pastebin_url
https://pastebin.com/raw/cyX7R6Kt
Signatures
-
Detect Xworm Payload 3 IoCs
resource yara_rule behavioral1/memory/2708-1-0x00000000000A0000-0x00000000000B0000-memory.dmp family_xworm behavioral1/files/0x0033000000016e73-8.dat family_xworm behavioral1/memory/2768-10-0x0000000000CD0000-0x0000000000CE0000-memory.dmp family_xworm -
Xworm family
-
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msconfig.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msconfig.lnk XClient.exe -
Executes dropped EXE 1 IoCs
pid Process 2768 msconfig.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\msconfig = "C:\\Users\\Admin\\msconfig.exe" XClient.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 8 IoCs
flow ioc 11 pastebin.com 4 pastebin.com 5 pastebin.com 6 pastebin.com 7 pastebin.com 8 pastebin.com 9 pastebin.com 10 pastebin.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2832 schtasks.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2708 XClient.exe Token: SeDebugPrivilege 2768 msconfig.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2708 wrote to memory of 2832 2708 XClient.exe 31 PID 2708 wrote to memory of 2832 2708 XClient.exe 31 PID 2708 wrote to memory of 2832 2708 XClient.exe 31 PID 2820 wrote to memory of 2768 2820 taskeng.exe 34 PID 2820 wrote to memory of 2768 2820 taskeng.exe 34 PID 2820 wrote to memory of 2768 2820 taskeng.exe 34 -
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.
Processes
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C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "msconfig" /tr "C:\Users\Admin\msconfig.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2832
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {3ECED557-4AB0-4468-9C16-3A825A8877C9} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Users\Admin\msconfig.exeC:\Users\Admin\msconfig.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2768
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Network
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Remote address:8.8.8.8:53Requestpastebin.comIN AResponsepastebin.comIN A104.20.3.235pastebin.comIN A104.20.4.235pastebin.comIN A172.67.19.24
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Remote address:104.20.3.235:443RequestGET /raw/cyX7R6Kt HTTP/1.1
Host: pastebin.com
Connection: Keep-Alive
ResponseHTTP/1.1 403 Forbidden
Content-Type: text/html; charset=UTF-8
Content-Length: 6752
Connection: close
accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
x-content-options: nosniff
x-frame-options: SAMEORIGIN
cf-mitigated: challenge
cf-chl-out: 1DKA4hdfRJjEHHAfSGd4KuCroWY+R+owQU0zIkJr4yuwQdPLzHIglmanaYaNdmw8Kp0a5qnlfV0Mq5le+L8f7HkwK/dJNT1/s/+eNyJQRgg=$omXmixjjqsqwUGDl4KqVhw==
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 90516e4e7efb63f2-LHR
-
Remote address:104.20.3.235:443RequestGET /raw/cyX7R6Kt HTTP/1.1
Host: pastebin.com
ResponseHTTP/1.1 403 Forbidden
Content-Type: text/html; charset=UTF-8
Content-Length: 6816
Connection: close
accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
x-content-options: nosniff
x-frame-options: SAMEORIGIN
cf-mitigated: challenge
cf-chl-out: R2wQn2xYx+ui6Yq7IvKOyOJpUmJUvZvM+ILlAiSiVEyVUvsqRQux6ucUFsaysgecSAbzZ0Kj8B3/F3asT2MT0LIGcnvKINA3Bcf3aSvzHXA=$oodlih/a5bcLf2k6U0cYaw==
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 90516e624a5263f6-LHR
-
Remote address:104.20.3.235:443RequestGET /raw/cyX7R6Kt HTTP/1.1
Host: pastebin.com
ResponseHTTP/1.1 403 Forbidden
Content-Type: text/html; charset=UTF-8
Content-Length: 6795
Connection: close
accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
x-content-options: nosniff
x-frame-options: SAMEORIGIN
cf-mitigated: challenge
cf-chl-out: d5q4nPHFE6SIuwpisNGESP6fOh3auL2TENGa+VVtZAi+/Wnc+81TzDULwj6iQx8v1UKxtcoH6zSFJjudiGvOpkmowOKZCfALRy3a9QFR5yo=$BFXPBvlcWNyHSd492LvnUg==
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 90516e767b2593db-LHR
-
Remote address:104.20.3.235:443RequestGET /raw/cyX7R6Kt HTTP/1.1
Host: pastebin.com
ResponseHTTP/1.1 403 Forbidden
Content-Type: text/html; charset=UTF-8
Content-Length: 6816
Connection: close
accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
x-content-options: nosniff
x-frame-options: SAMEORIGIN
cf-mitigated: challenge
cf-chl-out: kC8lX3jhhh5kr9I0Mn5SAn/05wagb26jRnNsCtui30t2+H/cwA7CQSI4HF2Cd9Rxs20j5llrlGtEjlNwNtcinRG+oai+IhXofXT+AdB6buA=$C8Xx5Kt3QvZmLNp0SeCYZA==
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 90516e9d6b8893e5-LHR
-
Remote address:104.20.3.235:443RequestGET /raw/cyX7R6Kt HTTP/1.1
Host: pastebin.com
ResponseHTTP/1.1 403 Forbidden
Content-Type: text/html; charset=UTF-8
Content-Length: 6795
Connection: close
accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
x-content-options: nosniff
x-frame-options: SAMEORIGIN
cf-mitigated: challenge
cf-chl-out: 80YRUdUFZFw6bU+cnHBRt9ZyW3ACrI2l4jRzOAa0ZOvjJvbu6CODgGKkugRNXvdfTKK63dGRB68ukTyoGJOwSzDIuuRXdLoAgrOy+Uz79S0=$/Z5oU8w99AETjp20u3lofg==
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 90516ec7be9bbead-LHR
-
Remote address:104.20.3.235:443RequestGET /raw/cyX7R6Kt HTTP/1.1
Host: pastebin.com
ResponseHTTP/1.1 403 Forbidden
Content-Type: text/html; charset=UTF-8
Content-Length: 6816
Connection: close
accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
x-content-options: nosniff
x-frame-options: SAMEORIGIN
cf-mitigated: challenge
cf-chl-out: vcHgCaljYO33PF20aupU1O14W0xb7G4COm5BK8AClqcVow6WEtjm1bTwC57CW4y7cNzHE/LyZm+jkV4sDB4yNFVcbvub0qIyKAGTS8ovMno=$/T6vxcT3jyUlsY5yGEc4aQ==
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 90516edb9eb6be95-LHR
-
Remote address:104.20.3.235:443RequestGET /raw/cyX7R6Kt HTTP/1.1
Host: pastebin.com
ResponseHTTP/1.1 403 Forbidden
Content-Type: text/html; charset=UTF-8
Content-Length: 6816
Connection: close
accept-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
critical-ch: Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA
cross-origin-embedder-policy: require-corp
cross-origin-opener-policy: same-origin
cross-origin-resource-policy: same-origin
origin-agent-cluster: ?1
permissions-policy: accelerometer=(),autoplay=(),browsing-topics=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),interest-cohort=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=()
referrer-policy: same-origin
x-content-options: nosniff
x-frame-options: SAMEORIGIN
cf-mitigated: challenge
cf-chl-out: qYchFBtqawsjrlzqPdQMfn9brbwD5nR5wKDDU7jLaMeBjarFhB/Gun0BuLLjNjxDno52lrIj9eSb3RnGwFRUbUnvdSxWGReRIYosxFX+cxc=$/ma6JFZ5geEQaZ/LEQVK7g==
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 90516eef5f31bebc-LHR
-
969 B 12.1kB 13 17
HTTP Request
GET https://pastebin.com/raw/cyX7R6KtHTTP Response
403 -
816 B 9.4kB 11 14
HTTP Request
GET https://pastebin.com/raw/cyX7R6KtHTTP Response
403 -
931 B 12.1kB 12 16
HTTP Request
GET https://pastebin.com/raw/cyX7R6KtHTTP Response
403 -
1.1kB 9.5kB 15 15
HTTP Request
GET https://pastebin.com/raw/cyX7R6KtHTTP Response
403 -
1.1kB 12.3kB 15 19
HTTP Request
GET https://pastebin.com/raw/cyX7R6KtHTTP Response
403 -
862 B 9.4kB 12 15
HTTP Request
GET https://pastebin.com/raw/cyX7R6KtHTTP Response
403 -
816 B 9.4kB 11 15
HTTP Request
GET https://pastebin.com/raw/cyX7R6KtHTTP Response
403 -
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
42KB
MD53982031e2e82143cf90b273b6b614231
SHA15a212b3d718c26cb34fc043b19979bfd37b07934
SHA25608a0be6e3717d3ac5e6117536f42dbc4e08ff41958eb059038f648c447146198
SHA512e3eee612bea1d8277136a849494cd9e1767df8b77557349e7b35d8fc3dea82031e19f5d4da767fa7589e4623b6a46671b98b7110c7f802a5ac4f5a24b036ae5a