b018a82f87820638783ed4b5201a70d34e09758fb092dd791641931d55d023e6

Analysis

max time kernel
112s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23/05/2024, 05:20

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General

Target

$R0/Uninstall StarVPN.exe
Size

284KB
MD5

5e3cc53b23ee9c1b4a7f40224f1ed122
SHA1

6c9945c4070bc508e1e719cd70e281058914627f
SHA256

ae789996d958491bad0cad65ebb7bb16d30646d8ef33f07be71fda21984fdfa3
SHA512

fe83e0d3846d3f672eff114cf770510e0df1626cca541676dce1988214575131fea600aace334bfd87a889c3a37308c63f37ea764a2849653209c6d3c3d75e73
SSDEEP

6144:L740I8V11ejUrsL2Ua1j2t0EyL+2iafZK:3X1ejlyHRK2ZfZK

Score

4^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2316	Un_A.exe

Loads dropped DLL 5 IoCs

pid	Process
2316	Un_A.exe
2316	Un_A.exe
2316	Un_A.exe
2316	Un_A.exe
2316	Un_A.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3772 wrote to memory of 2316	3772	Uninstall StarVPN.exe	90
PID 3772 wrote to memory of 2316	3772	Uninstall StarVPN.exe	90
PID 3772 wrote to memory of 2316	3772	Uninstall StarVPN.exe	90
PID 2316 wrote to memory of 3216	2316	Un_A.exe	91
PID 2316 wrote to memory of 3216	2316	Un_A.exe	91
PID 2316 wrote to memory of 3216	2316	Un_A.exe	91

C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall StarVPN.exe
"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall StarVPN.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3772
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /End /TN StarVPNService
    3⤵
    PID:3216

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 --field-trial-handle=3404,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4624 /prefetch:8
1⤵
PID:4380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsa607.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa607.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa607.tmp\UAC.dll

Filesize
14KB

MD5
adb29e6b186daa765dc750128649b63d

SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9

SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa607.tmp\nsDialogs.dll

Filesize
9KB

MD5
466179e1c8ee8a1ff5e4427dbb6c4a01

SHA1
eb607467009074278e4bd50c7eab400e95ae48f7

SHA256
1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172

SHA512
7508a29c722d45297bfb090c8eb49bd1560ef7d4b35413f16a8aed62d3b1030a93d001a09de98c2b9fea9acf062dc99a7278786f4ece222e7436b261d14ca817

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsa607.tmp\nsExec.dll

Filesize
6KB

MD5
ec0504e6b8a11d5aad43b296beeb84b2

SHA1
91b5ce085130c8c7194d66b2439ec9e1c206497c

SHA256
5d9ceb1ce5f35aea5f9e5a0c0edeeec04dfefe0c77890c80c70e98209b58b962

SHA512
3f918f1b47e8a919cbe51eb17dc30acc8cfc18e743a1bae5b787d0db7d26038dc1210be98bf5ba3be8d6ed896dbbd7ac3d13e66454a98b2a38c7e69dad30bb57

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
284KB

MD5
5e3cc53b23ee9c1b4a7f40224f1ed122

SHA1
6c9945c4070bc508e1e719cd70e281058914627f

SHA256
ae789996d958491bad0cad65ebb7bb16d30646d8ef33f07be71fda21984fdfa3

SHA512
fe83e0d3846d3f672eff114cf770510e0df1626cca541676dce1988214575131fea600aace334bfd87a889c3a37308c63f37ea764a2849653209c6d3c3d75e73

Download Submit