6917063ec57111b283999c479210acef85cdb512bafbc82384207a438f1d47f7

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 19:42

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General

Target

c16feb5f93cb86e3e05a9ec1062f8957.exe
Size

101KB
MD5

c16feb5f93cb86e3e05a9ec1062f8957
SHA1

c05b238ffeccf01f81cf8c2ffd4ac5ea235c2688
SHA256

6917063ec57111b283999c479210acef85cdb512bafbc82384207a438f1d47f7
SHA512

30efe361eb2bf7f1cd0971c1322c4953cb1fc44fd9bc41529d4b4d76e3266f7b097882871511bfa32f1a029e57493d8cdc11552a45e3370ff8a451dc3be24ca8
SSDEEP

1536:lYZEFYv0ryeR+579GHpjpJFBfAmUdCpOdUrckgjeY1K6b3DcjIUyMoR1br7F1WGs:lYZEF9yeR+F9GadddUrckgje2woW3As

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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	c16feb5f93cb86e3e05a9ec1062f8957.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	c16feb5f93cb86e3e05a9ec1062f8957.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E7A4C0C8-2BFF-4241-9E8C-92E10245EC28}	c16feb5f93cb86e3e05a9ec1062f8957.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\conf.dat	c16feb5f93cb86e3e05a9ec1062f8957.exe
File created	C:\Windows\SysWOW64\simcard1.dll	c16feb5f93cb86e3e05a9ec1062f8957.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes"	c16feb5f93cb86e3e05a9ec1062f8957.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7A4C0C8-2BFF-4241-9E8C-92E10245EC28}\InprocServer32	c16feb5f93cb86e3e05a9ec1062f8957.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7A4C0C8-2BFF-4241-9E8C-92E10245EC28}\InprocServer32\ = "simcard1.dll"	c16feb5f93cb86e3e05a9ec1062f8957.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7A4C0C8-2BFF-4241-9E8C-92E10245EC28}\InprocServer32\ThreadingModel = "Apartment"	c16feb5f93cb86e3e05a9ec1062f8957.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7A4C0C8-2BFF-4241-9E8C-92E10245EC28}\ProgID\ = "RITLAB.1"	c16feb5f93cb86e3e05a9ec1062f8957.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7A4C0C8-2BFF-4241-9E8C-92E10245EC28}\TypeLib	c16feb5f93cb86e3e05a9ec1062f8957.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7A4C0C8-2BFF-4241-9E8C-92E10245EC28}\TypeLib\ = "{719CF1C3-AAA2-4a26-AD91-4F7894FD3D10}"	c16feb5f93cb86e3e05a9ec1062f8957.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7A4C0C8-2BFF-4241-9E8C-92E10245EC28}	c16feb5f93cb86e3e05a9ec1062f8957.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7A4C0C8-2BFF-4241-9E8C-92E10245EC28}\ = "Flash Module"	c16feb5f93cb86e3e05a9ec1062f8957.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7A4C0C8-2BFF-4241-9E8C-92E10245EC28}\ProgID	c16feb5f93cb86e3e05a9ec1062f8957.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 3520	4404	c16feb5f93cb86e3e05a9ec1062f8957.exe	89
PID 4404 wrote to memory of 3520	4404	c16feb5f93cb86e3e05a9ec1062f8957.exe	89
PID 4404 wrote to memory of 3520	4404	c16feb5f93cb86e3e05a9ec1062f8957.exe	89

C:\Users\Admin\AppData\Local\Temp\c16feb5f93cb86e3e05a9ec1062f8957.exe
"C:\Users\Admin\AppData\Local\Temp\c16feb5f93cb86e3e05a9ec1062f8957.exe"
1⤵
- Checks computer location settings
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C16FEB~1.EXE >> NUL
  2⤵
  PID:3520

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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