e811567264dd128af6efa83239cf708c19e2b2448f10ecff11273494636f9ded

Resubmissions

29-12-2023 16:54

231229-venzfsecfm 7

Analysis

max time kernel
5s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 16:54

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General

Target

updater.exe
Size

62.3MB
MD5

91ea9c72059f52e9e0769fff4d76ca5d
SHA1

3ce72eefb89093b32dce452d03b46a713c894cf7
SHA256

e811567264dd128af6efa83239cf708c19e2b2448f10ecff11273494636f9ded
SHA512

fbf8d4669e15c782b83aff1cdca6f02d6166641a3fe3ada94e23b5123f36f082670b6aaad83f34c0259aef4dbbc2ef2501732e8d78c3548659259c70edf71d7d
SSDEEP

1572864:hm6aqeAMcLGXdHPMNMLpZyIdiBcQ60E8z:86aZAuNHPfLDjih60E8z

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2136	updater.exe
2136	updater.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
30	ipinfo.io
31	ipinfo.io

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

System Information Discovery
T1082

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
5304	WMIC.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
5828	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2136	updater.exe

C:\Users\Admin\AppData\Local\Temp\updater.exe
"C:\Users\Admin\AppData\Local\Temp\updater.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:2136
- C:\Users\Admin\AppData\Local\Temp\2ZidQNSw2b3DkU3fP0oLZ5qf3od\updater.exe
  C:\Users\Admin\AppData\Local\Temp\2ZidQNSw2b3DkU3fP0oLZ5qf3od\updater.exe
  2⤵
  PID:4612
- - C:\Users\Admin\AppData\Local\Temp\2ZidQNSw2b3DkU3fP0oLZ5qf3od\updater.exe
    "C:\Users\Admin\AppData\Local\Temp\2ZidQNSw2b3DkU3fP0oLZ5qf3od\updater.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\updater" --mojo-platform-channel-handle=1996 --field-trial-handle=1844,i,2298216046048572546,1942479366722123673,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
    3⤵
    PID:1508
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /d /s /c "cmd /c chcp 65001>nul && netsh wlan show profiles"
    3⤵
    PID:5348
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /d /s /c "wmic path win32_VideoController get name"
    3⤵
    PID:5252
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /d /s /c "wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List"
    3⤵
    PID:1364
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath"
    3⤵
    PID:1768
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions""
    3⤵
    PID:4196
- - C:\Users\Admin\AppData\Local\Temp\2ZidQNSw2b3DkU3fP0oLZ5qf3od\updater.exe
    "C:\Users\Admin\AppData\Local\Temp\2ZidQNSw2b3DkU3fP0oLZ5qf3od\updater.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\updater" --app-path="C:\Users\Admin\AppData\Local\Temp\2ZidQNSw2b3DkU3fP0oLZ5qf3od\resources\app.asar" --enable-sandbox --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2412 --field-trial-handle=1844,i,2298216046048572546,1942479366722123673,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
    3⤵
    PID:1460
- - C:\Users\Admin\AppData\Local\Temp\2ZidQNSw2b3DkU3fP0oLZ5qf3od\updater.exe
    "C:\Users\Admin\AppData\Local\Temp\2ZidQNSw2b3DkU3fP0oLZ5qf3od\updater.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\updater" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1748 --field-trial-handle=1844,i,2298216046048572546,1942479366722123673,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
    3⤵
    PID:4772
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /d /s /c "tasklist"
    3⤵
    PID:5752
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /d /s /c "C:\Windows\system32\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v WindowsBootManager /t REG_SZ /d C:\Users\Admin\AppData\Local\Microsoft\Windows\0\WindowsBootManager.exe /f"
    3⤵
    PID:5744
- - C:\Users\Admin\AppData\Local\Temp\2ZidQNSw2b3DkU3fP0oLZ5qf3od\updater.exe
    "C:\Users\Admin\AppData\Local\Temp\2ZidQNSw2b3DkU3fP0oLZ5qf3od\updater.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --user-data-dir="C:\Users\Admin\AppData\Roaming\updater" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3460 --field-trial-handle=1844,i,2298216046048572546,1942479366722123673,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
    3⤵
    PID:5992

C:\Windows\System32\Wbem\WMIC.exe
wmic path win32_VideoController get name
1⤵
- Detects videocard installed
PID:5304

C:\Windows\system32\netsh.exe
netsh wlan show profiles
1⤵
PID:5428

C:\Windows\system32\chcp.com
chcp 65001
1⤵
PID:5412

C:\Windows\system32\cmd.exe
cmd /c chcp 65001
1⤵
PID:5396

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe QUERY "HKCU\Software\Valve\Steam" /v SteamPath
1⤵
PID:5204

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe QUERY "HKCU\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions"
1⤵
PID:5184

C:\Windows\System32\Wbem\WMIC.exe
wmic /Node:localhost /Namespace:\\root\SecurityCenter2 Path AntiVirusProduct Get displayName /Format:List
1⤵
PID:5156

C:\Windows\system32\reg.exe
C:\Windows\system32\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v WindowsBootManager /t REG_SZ /d C:\Users\Admin\AppData\Local\Microsoft\Windows\0\WindowsBootManager.exe /f
1⤵
PID:5836

C:\Windows\system32\tasklist.exe
tasklist
1⤵
- Enumerates processes with tasklist
PID:5828

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
PID:5784

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

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\2ZidQNSw2b3DkU3fP0oLZ5qf3od\chrome_100_percent.pak

Filesize
145KB

MD5
237ca1be894f5e09fd1ccb934229c33b

SHA1
f0dfcf6db1481315054efb690df282ffe53e9fa1

SHA256
f14362449e2a7c940c095eda9c41aad5f1e0b1a1b21d1dc911558291c0c36dd2

SHA512
1e52782db4a397e27ce92412192e4de6d7398effaf8c7acabc9c06a317c2f69ee5c35da1070eb94020ed89779344b957edb6b40f871b8a15f969ef787fbb2bca

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsy5C1B.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsy5C1B.tmp\nsis7z.dll

Filesize
92KB

MD5
11ffa351bf57696667a924b68767c91a

SHA1
eec350303643a40688a5d5d814a2eb49c994cc7d

SHA256
df82d03dee4b432246a4ee7f5958100dfdf01c0410f961f315d6e522bac058af

SHA512
655506b98c6f9efa2022edbb908c51a26a6c141af6e7ecca783fc8f70297d0ec86c1778c6055da5af7680378eaca8fa6b9ec84efaf0505986927b0f87544873c

Download Submit
memory/1460-688-0x000001E0A77B0000-0x000001E0A77E0000-memory.dmp

Filesize
192KB

Download
memory/1460-582-0x00007FFBE2090000-0x00007FFBE2091000-memory.dmp

Filesize
4KB

Download
memory/1460-581-0x00007FFBE2080000-0x00007FFBE2081000-memory.dmp

Filesize
4KB

Download
memory/4772-687-0x000001CE50CC0000-0x000001CE50CF0000-memory.dmp

Filesize
192KB

Download
memory/4772-557-0x00007FFBE27F0000-0x00007FFBE27F1000-memory.dmp

Filesize
4KB

Download
memory/5784-715-0x0000022AE84D0000-0x0000022AE84D1000-memory.dmp

Filesize
4KB

Download
memory/5784-725-0x0000022AE84D0000-0x0000022AE84D1000-memory.dmp

Filesize
4KB

Download
memory/5784-724-0x0000022AE84D0000-0x0000022AE84D1000-memory.dmp

Filesize
4KB

Download
memory/5784-723-0x0000022AE84D0000-0x0000022AE84D1000-memory.dmp

Filesize
4KB

Download
memory/5784-722-0x0000022AE84D0000-0x0000022AE84D1000-memory.dmp

Filesize
4KB

Download
memory/5784-721-0x0000022AE84D0000-0x0000022AE84D1000-memory.dmp

Filesize
4KB

Download
memory/5784-720-0x0000022AE84D0000-0x0000022AE84D1000-memory.dmp

Filesize
4KB

Download
memory/5784-719-0x0000022AE84D0000-0x0000022AE84D1000-memory.dmp

Filesize
4KB

Download
memory/5784-714-0x0000022AE84D0000-0x0000022AE84D1000-memory.dmp

Filesize
4KB

Download
memory/5784-713-0x0000022AE84D0000-0x0000022AE84D1000-memory.dmp

Filesize
4KB

Download