50bab97dd6ce903465751affe72871e43d611c043a5b613b56f0bcea27dd9b45

Analysis

max time kernel
95s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 05:47

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General

Target

qvodupdate.exe
Size

304KB
MD5

73af65d9136e0a6294d33a1cd720fa1f
SHA1

12c88a51134e18ad5799638055b82afa26fbbd79
SHA256

c0741f8592d2d07421423a70036b2978fc2d00158cd2837f2f5de267c2c942f7
SHA512

3a636aa3dd08fa2250f2cd1aed5bdda0c17e7b1b6c96df045c1fdfc21a9164e545bfe5a2742e46ff4070e9347aa0722d6bad3fff606e08a3901eceabc5514e2a
SSDEEP

6144:7C0bbgsfmFflToYQhuAwlNVBt93bGmlSvh1lFnzlot6KYZ:7CHsK9PAwlv93Jlu1pzOtm

Score

7^/10

adware discovery stealer

Malware Config

Signatures

Loads dropped DLL 2 IoCs

Processes:

qvodupdate.exe

pid process

3640 qvodupdate.exe
3640 qvodupdate.exe

pid	process
3640	qvodupdate.exe
3640	qvodupdate.exe

Installs/modifies Browser Helper Object 2 TTPs 6 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

qvodupdate.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	qvodupdate.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}	qvodupdate.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	qvodupdate.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\NoExplorer = "1"	qvodupdate.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	qvodupdate.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	qvodupdate.exe

Drops file in Program Files directory 3 IoCs

Processes:

qvodupdate.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Browser\config.ini	qvodupdate.exe
File opened for modification	C:\Program Files (x86)\tools\isWrite\	qvodupdate.exe
File opened for modification	C:\Program Files (x86)\tools\	qvodupdate.exe

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

System Information Discovery
T1082
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

qvodupdate.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language qvodupdate.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qvodupdate.exe

Modifies registry class 4 IoCs

Processes:

qvodupdate.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\InprocServer32\ = "C:\\ProgramData\\tools\\bdmanager.dll"	qvodupdate.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}	qvodupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\ = "AccountProtect Class"	qvodupdate.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\InprocServer32	qvodupdate.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

qvodupdate.exe

pid process

3640 qvodupdate.exe
3640 qvodupdate.exe
3640 qvodupdate.exe
3640 qvodupdate.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

qvodupdate.exe

description pid process

Token: SeDebugPrivilege 3640 qvodupdate.exe
Token: SeDebugPrivilege 3640 qvodupdate.exe

pid	process
3640	qvodupdate.exe
3640	qvodupdate.exe
3640	qvodupdate.exe
3640	qvodupdate.exe

description	pid	process
Token: SeDebugPrivilege	3640	qvodupdate.exe
Token: SeDebugPrivilege	3640	qvodupdate.exe

C:\Users\Admin\AppData\Local\Temp\qvodupdate.exe
"C:\Users\Admin\AppData\Local\Temp\qvodupdate.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsu9E35.tmp\System.dll

Filesize
11KB

MD5
bf712f32249029466fa86756f5546950

SHA1
75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

SHA256
7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

SHA512
13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu9E35.tmp\nsTools.dll

Filesize
260KB

MD5
6ae9eaa868bcb42ae79bf9701b18e7ec

SHA1
80bd26a403aaee21fc2b9af0d5585a768ea3acd0

SHA256
d4fb435c03841d4911cba57bd01212156d4a0ab4554e5a25b3604e43b3622fb5

SHA512
06c60bb27b39064c237e52d3ccea2371953fc454321eab2046ffcb5cc9771206accb0124fdf1726d5cf821906ee05e03dc7ae9ca2534f6543e585382a9c0a688

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\Intrenet. Expleror.lnk

Filesize
1001B

MD5
aa9b28311f7d295eb17ef0a4b7476117

SHA1
6ab4f0edade5387518f005f9afdaf9ffe85365d2

SHA256
e10f4aabb202baf630995c8f67cdbbfc64dd0429977da70e368cbbf1afda2b46

SHA512
d1d68aab2aeea1e07f93ba82603e5bb55572873d816e1357bbf8b12ea1f7c13f43dd224803fc67d4a92d08c1af3be0ff52b24f0303e860e6afa824a920f50b2c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\Mozlila Friefox.lnk

Filesize
990B

MD5
11bdd00e860b1c24bc0767b0d7779870

SHA1
4ff8165b8abca7c99b27f4cca7ce6c1e273f0823

SHA256
5be090cc76516b68ae15871ec523856696b6f3115c34caeb1d10a966a68f7f50

SHA512
d2df0ec29efce7296d9b2c52fc704b60e45a456c37cdccaee785315549fea5a15d7f4839c97488ff6bf3530c8aef713831f35f21f8bddaf9225000f6bda65d58

Download Submit
C:\Users\Admin\Desktop\Intrenet. Expleror.lnk

Filesize
977B

MD5
dbda76673e2653dccf55c1c8af1a841b

SHA1
8b9b4d81fa35b4cea7a8cf7be5687715bb4e5e28

SHA256
d3a1cfac3f49a95754c5d4409e223b7b865b91ee1b54ea983ed56fd38066ed4f

SHA512
42a9bdb403e92a4a21c8491cc525e40c9dcea99a62060df3fdd77abcdb6bf88388644b66a34ab2e13659be99bd463a4d450d967f91268b144eb22c318e48185f

Download Submit