61784eaa99ea232c4005ea1a9b0b4f5a78c804267134cf4597b0ccf011c77b3b

Analysis

max time kernel
92s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2024, 02:20

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General

Target

26586f4a13000cef487b0d155038d41c.exe
Size

49KB
MD5

26586f4a13000cef487b0d155038d41c
SHA1

868684a0ef4201348dff25f6ada83c99a38590b5
SHA256

61784eaa99ea232c4005ea1a9b0b4f5a78c804267134cf4597b0ccf011c77b3b
SHA512

cae6dd72fe2071a4376a14f27e44c9184b769bd5fb40041f16301dd7854625af919833bd109c54aba8fb9b01003e8c3bd604768e84faedd84d710244940c1cfb
SSDEEP

768:NyjqmPvkbCqSdScrOS01bPzcolxKzZKl9YNlcPAZHVEYl0vF8FFwpUarprU0rYX:NBCFdNrOSyzcWK9EWNGPAdVERCPcULX

Score

7^/10

adware stealer

Malware Config

Signatures

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-1-5-21-2547232018-1419253926-3356748848-1000\Control Panel\International\Geo\Nation	26586f4a13000cef487b0d155038d41c.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	26586f4a13000cef487b0d155038d41c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}	26586f4a13000cef487b0d155038d41c.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\jsgt	26586f4a13000cef487b0d155038d41c.exe
File created	C:\Windows\SysWOW64\lopg32.dll	26586f4a13000cef487b0d155038d41c.exe

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\ = "Yahoo plugin"	26586f4a13000cef487b0d155038d41c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\InprocServer32\ = "lopg32.dll"	26586f4a13000cef487b0d155038d41c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\InprocServer32\ThreadingModel = "Apartment"	26586f4a13000cef487b0d155038d41c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\TypeLib	26586f4a13000cef487b0d155038d41c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}	26586f4a13000cef487b0d155038d41c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\ProgID	26586f4a13000cef487b0d155038d41c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\ProgID\ = "original"	26586f4a13000cef487b0d155038d41c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\TypeLib\ = "{FC3F2641-5ABE-4B9B-A3FD-6E61A7CF38C4}"	26586f4a13000cef487b0d155038d41c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1A0CB3A2-87B1-4C67-A86D-FB54297A7D83}\InprocServer32	26586f4a13000cef487b0d155038d41c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 3404	4380	26586f4a13000cef487b0d155038d41c.exe	86
PID 4380 wrote to memory of 3404	4380	26586f4a13000cef487b0d155038d41c.exe	86
PID 4380 wrote to memory of 3404	4380	26586f4a13000cef487b0d155038d41c.exe	86

C:\Users\Admin\AppData\Local\Temp\26586f4a13000cef487b0d155038d41c.exe
"C:\Users\Admin\AppData\Local\Temp\26586f4a13000cef487b0d155038d41c.exe"
1⤵
- Checks computer location settings
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\26586F~1.EXE >> NUL
  2⤵
  PID:3404

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

Query Registry

T1012

System Information Discovery

T1082

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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