a9a09261d1119645f45596d1c354af3603ff979d07ccf7a49630326322d6e9e5

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2023 14:58

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General

Target

02a093c3fe495b1a1dbcee6793868bf0.exe
Size

198KB
MD5

02a093c3fe495b1a1dbcee6793868bf0
SHA1

e36b4cb29ecd00f79f20a5b59db11504b58055ca
SHA256

a9a09261d1119645f45596d1c354af3603ff979d07ccf7a49630326322d6e9e5
SHA512

10bee08b1724f25b6e175679c944bbafe2dc7c1c13ea5c55a7f4d6a0098380865bb4f74d17a323b623b446558a5ce0a64992c725f97648d88d4c9493fdded4a1
SSDEEP

3072:ry+mrh42ya4kcFoWZHlWzzXGOJlBpPlPlUGVa0Th+7dUchBYp:rSrh42xcTHlrMXRlPH+7dd

Score

8^/10

adware persistence stealer

Malware Config

Signatures

Sets file execution options in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iexplore.exe\Debugger	02a093c3fe495b1a1dbcee6793868bf0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe\Debugger = "C:\\Windows\\system32\\ctfmon_lr.exe"	regsvr32.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	02a093c3fe495b1a1dbcee6793868bf0.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}\IExplore = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}	regsvr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dq29073.dll	02a093c3fe495b1a1dbcee6793868bf0.exe
File created	C:\Windows\SysWOW64\ctfmon_lr.exe	regsvr32.exe

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

System Information Discovery
T1082

Modifies registry class 41 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}\ProgID\ = "D.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}\InprocServer32\ = "C:\\Windows\\SysWow64\\dq29073.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}\1.0\ = "LIB"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}\VersionIndependentProgID\ = "D"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\TypeLib\ = "{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID\ = "{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID\ = "{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\ = "IDOMPeek"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\dq29073.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F3EF6552-D4A2-3BBC-9272-8A743BEF479D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\ = "IDOMPeek"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\TypeLib\ = "{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{0DC384F7-2A1B-3C2E-8553-09ABE27C4004}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FAA49417-5BF3-3526-A201-99CAF6947259}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 2180	3668	02a093c3fe495b1a1dbcee6793868bf0.exe	91
PID 3668 wrote to memory of 2180	3668	02a093c3fe495b1a1dbcee6793868bf0.exe	91
PID 3668 wrote to memory of 2180	3668	02a093c3fe495b1a1dbcee6793868bf0.exe	91

C:\Users\Admin\AppData\Local\Temp\02a093c3fe495b1a1dbcee6793868bf0.exe
"C:\Users\Admin\AppData\Local\Temp\02a093c3fe495b1a1dbcee6793868bf0.exe"
1⤵
- Sets file execution options in registry
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\system32\dq29073.dll
  2⤵
  - Sets file execution options in registry
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Drops file in System32 directory
  - Modifies registry class
  PID:2180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\dq29073.dll

Filesize
192KB

MD5
17a6400999dc2e020e2a3378a7abd945

SHA1
58b7c2a0684c204cecd5fb778736caae06e7cfde

SHA256
2d865ea3d9f3a65bc8ccacb6bcb6c5ffff3ba717b56d6b2092ff03fe3eb70926

SHA512
3e1b6f7728bd421308856d5984327df56886ba7be972a61aa157d157357704048931e1171bfed20be42f3e66a21830a19aca3ebede9cecfaa6dd8d4df162eca4

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads