233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55

Analysis

max time kernel
149s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 18:22

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General

Target

233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55.exe
Size

230KB
MD5

e1f647d2b2b580a23208dc5d000195d1
SHA1

1e99f048da89b9bcb01d55042a51289ba701f3e4
SHA256

233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55
SHA512

4a197002bcaa8398988e971267c6a762a15f00f2987885f0924b004962dc7b86c27394e6320f2da2af87f128701d89eb3407ae756f8d5aeba93683ea2ffcd965
SSDEEP

6144:E3nmNR9kb/qhP/ZQdg68zTCkT0rG+ZXPbU9:EWNgbymg68zTTeG+2

Score

7^/10

evasion trojan

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	WScript.exe

Deletes itself 1 IoCs

pid	Process
2148	spoolsv.exe

Executes dropped EXE 1 IoCs

pid	Process
2148	spoolsv.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	spoolsv.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings	233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2148	spoolsv.exe
Token: SeDebugPrivilege	2148	spoolsv.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1460	233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55.exe
1460	233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55.exe
2148	spoolsv.exe
2148	spoolsv.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 2964	1460	233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55.exe	97
PID 1460 wrote to memory of 2964	1460	233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55.exe	97
PID 1460 wrote to memory of 2964	1460	233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55.exe	97
PID 2964 wrote to memory of 2148	2964	WScript.exe	99
PID 2964 wrote to memory of 2148	2964	WScript.exe	99
PID 2964 wrote to memory of 2148	2964	WScript.exe	99

C:\Users\Admin\AppData\Local\Temp\233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55.exe
"C:\Users\Admin\AppData\Local\Temp\233b039e7b03d81301f55db1903cf44e818d3373cb1e5626da9dc6e5e73f1a55.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_tempS.vbs"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Users\Admin\AppData\Local\Temp\spoolsv.exe
    "C:\Users\Admin\AppData\Local\Temp\spoolsv.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2148

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=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:3528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\_tempS.vbs

Filesize
100B

MD5
71d96bbf333667d25cca125690ae5785

SHA1
5e4c9fcc278341ac89e3f4cd41e15a9c40604545

SHA256
71ca8ba0d315a2f23b771369047db15057ab3257b9e3b2c1287455e27b5e1ff5

SHA512
bd6287afa6f67e7a028f84b00d14cbe5119519d2e54d873dedfb87a355ac05bdb9f5b8e6553469b8522f9dfd6dc024d05bc9da118ea49b94b0bdf19962d8965e

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C:\Users\Admin\AppData\Local\Temp\spoolsv.exe

Filesize
231KB

MD5
472a6aa7bfc3317fc268ba8aedb3ccb3

SHA1
85494634fbf2fbfac2ff828597f6b059852f89f1

SHA256
8752464ea4aee61ca7688a52b7bf7979e26315a464d396c5828142dcfab79a6e

SHA512
2a433189e825f7ea9d59cf26f1545709910071d0064ed08edc3703ff813919f08dc54db3188a5c9d43b9da5f7f0d7b1c7bf9aab48567de6250cc2b11fe5e719e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads