2cc62ad558fedf763dd14792c89d38aa700ad9699d43f2999a71cd22d41da557

Analysis

max time kernel
129s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 21:29

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General

Target

1d05cc4585a14454663168a4c4f67b04.dll
Size

162KB
MD5

1d05cc4585a14454663168a4c4f67b04
SHA1

da826bab30fb8925cb7e2856761729bf9ce4cefa
SHA256

2cc62ad558fedf763dd14792c89d38aa700ad9699d43f2999a71cd22d41da557
SHA512

d12b6f44a0361a25054b393b24bab4d91f087a889b14176f9a95b83646f98b0a811d8f836e2a2e9819570b66689f44e5552274546ca59ed7717aa8383a825d33
SSDEEP

3072:L6b6cja4g8cX8m+jdMfGzvWp9QTeo8eoxwHJ4LoGyMv5U:aTjaJ8cQjyfGzvWpZxxwHiUkW

Score

6^/10

adware persistence stealer

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\{0b2243f5-9b32-ef84-e67a-b728ab836729} = "C:\\Windows\\System32\\Rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\1d05cc4585a14454663168a4c4f67b04.dll\" DllStub"	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{237612bf-be66-5fbe-c1b7-fc7a1312829e}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{237612bf-be66-5fbe-c1b7-fc7a1312829e}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{237612bf-be66-5fbe-c1b7-fc7a1312829e}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{237612bf-be66-5fbe-c1b7-fc7a1312829e}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{237612bf-be66-5fbe-c1b7-fc7a1312829e}\ = "agadoo browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{237612bf-be66-5fbe-c1b7-fc7a1312829e}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{237612bf-be66-5fbe-c1b7-fc7a1312829e}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1d05cc4585a14454663168a4c4f67b04.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 3928	1624	regsvr32.exe	14
PID 1624 wrote to memory of 3928	1624	regsvr32.exe	14
PID 1624 wrote to memory of 3928	1624	regsvr32.exe	14

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\1d05cc4585a14454663168a4c4f67b04.dll
1⤵
- Adds Run key to start application
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:3928

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1d05cc4585a14454663168a4c4f67b04.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1624

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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