0bcf0f70229ccc0343e2a891e7c4626e25877309260260b64a6167bf1846a49a

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 09:36

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General

Target

5329911f706434b57d58429469897164.dll
Size

635KB
MD5

5329911f706434b57d58429469897164
SHA1

b42c30b3d0a48d0244aae03688ead71faeb881cf
SHA256

0bcf0f70229ccc0343e2a891e7c4626e25877309260260b64a6167bf1846a49a
SHA512

27fad142868c8dcc2b1924464c45b810030a28f6274cebdd1856c281bb4f88f22cd036e73ff67d97e5c0d09d5cfcee7cb0230f2db51656fbddb9cfcb3b6f39e4
SSDEEP

12288:YM0t9FNcxDMmfrLAF8rZIRf2MmsXatHbLBwL9Ohw/fO79s:ItjNcXnVInvaN/Bw8hI

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{CC01FC6C-7874-3954-44BA-21B68C43168B}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7874-3954-44BA-21B68C43168B}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7874-3954-44BA-21B68C43168B}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\5329911f706434b57d58429469897164.axc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\5329911f706434b57d58429469897164.axc\ = "axc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7874-3954-44BA-21B68C43168B}\ProgID\ = "5329911f706434b57d58429469897164.axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7874-3954-44BA-21B68C43168B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7874-3954-44BA-21B68C43168B}\ = "axc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7874-3954-44BA-21B68C43168B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5329911f706434b57d58429469897164.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\5329911f706434b57d58429469897164.axc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\5329911f706434b57d58429469897164.axc\Clsid\ = "{CC01FC6C-7874-3954-44BA-21B68C43168B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-7874-3954-44BA-21B68C43168B}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 1968	2104	regsvr32.exe	28
PID 2104 wrote to memory of 1968	2104	regsvr32.exe	28
PID 2104 wrote to memory of 1968	2104	regsvr32.exe	28
PID 2104 wrote to memory of 1968	2104	regsvr32.exe	28
PID 2104 wrote to memory of 1968	2104	regsvr32.exe	28
PID 2104 wrote to memory of 1968	2104	regsvr32.exe	28
PID 2104 wrote to memory of 1968	2104	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5329911f706434b57d58429469897164.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\5329911f706434b57d58429469897164.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1968

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1968-0-0x0000000002240000-0x00000000022E4000-memory.dmp

Filesize
656KB

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