31dcf3ead048f0a0ae0e23fe431018236fe79b5e596d1ff52b9cc5c63d5ea87a

Analysis

max time kernel
13s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 10:31

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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

1716 qvodupdate.exe
1716 qvodupdate.exe

pid	process
1716	qvodupdate.exe
1716	qvodupdate.exe

Installs/modifies Browser Helper Object 2 TTPs 8 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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}	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\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}	qvodupdate.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E}	qvodupdate.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF}	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 5 IoCs

Processes:

qvodupdate.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CDD7718A-D29A-4E86-A62D-7A44848A46C1}\InprocServer32	qvodupdate.exe
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\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

qvodupdate.exe

pid process

1716 qvodupdate.exe
1716 qvodupdate.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

qvodupdate.exe

description pid process

Token: SeDebugPrivilege 1716 qvodupdate.exe
Token: SeDebugPrivilege 1716 qvodupdate.exe

pid	process
1716	qvodupdate.exe
1716	qvodupdate.exe

description	pid	process
Token: SeDebugPrivilege	1716	qvodupdate.exe
Token: SeDebugPrivilege	1716	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:1716

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\nstBA7A.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\User Pinned\TaskBar\Internet Explorer (2).lnk

Filesize
1KB

MD5
78f79b046ebf2c6c77527fd2443e1fd3

SHA1
4c83e1d1205558740e69c0c3d0ca176f125973aa

SHA256
50786c185af764edb18b60d13326f0e98d567268b760550f566ce938fe23bd1c

SHA512
38ae78160edffb35e79133ecbe71420e4ec5c7b70f7ce16d51d4769983550c9f26600a57e9307cebecdf09454d6f2bdd2cd9ce7e860697d19e7f707c72eb51f8

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

Filesize
938B

MD5
aa2b5c651581f9e2bb0edeefde885043

SHA1
77a02d286b9ff4021ade5a997edce2f7029e643e

SHA256
b3b5b3c21cea37f676879da83ad865774af05815acbf1549c0f99e4ebb8eb3f9

SHA512
ceded1eb2a9c53dc9ec3fa860ab8e28091d63c72fdba9993ddf23c3d35d113ebaa065411005fb98674d8266c092479475ee04237cc342577063e874b5454983a

Download Submit
\Users\Admin\AppData\Local\Temp\nstBA7A.tmp\System.dll

Filesize
11KB

MD5
bf712f32249029466fa86756f5546950

SHA1
75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

SHA256
7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

SHA512
13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

Download Submit