a78e9fe40033af4805bfaddb4fa8b449010fbe0a329569e54583ddba6a76972c

Analysis

max time kernel
94s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 05:32

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General

Target

Exifer/Exifer/ExiferShellExt.dll
Size

176KB
MD5

1b1dd283e9935cd00608741e21687719
SHA1

3ea13318bd5a4da9db2eab8893aae4881970f544
SHA256

d784baf22afc09627d552b633feabb3aba13d9e76025addb6b4de078511eee10
SHA512

cf6361d2a006be2a71278dac6539617602b030c618418a847cc8e600c57d804bd465c8e89eca92a0301452d5c7f629a828a55766a416d33f7bb3f589c04fffef
SSDEEP

3072:a0X1lJywHkirB4x/aO+llVyc/bz2AKrcGYrPEJnBosdjuWHOcut5lCCTp+oXpatF:RJf3uxSnHVyen2OrifjK5l43tK

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 18 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\ContMenu\ = "{FCF608CF-5716-47C3-A1A8-991D873AF72B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ACDSee.JPG\shellex\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ACDSee.JPG\shellex\ContextMenuHandlers\ContMenu	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ACDSee.JPG\shellex\ContextMenuHandlers\ContMenu\ = "{FCF608CF-5716-47C3-A1A8-991D873AF72B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCF608CF-5716-47C3-A1A8-991D873AF72B}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\ContMenu	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCF608CF-5716-47C3-A1A8-991D873AF72B}\ = "Delphi Context Menu Shell Extension Example"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ACDSee.JPG\shellex\ContextMenuHandlers	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCF608CF-5716-47C3-A1A8-991D873AF72B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ACDSee.JPG\shellex	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ACDSee.JPG\shellex\ContextMenuHandlers\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCF608CF-5716-47C3-A1A8-991D873AF72B}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCF608CF-5716-47C3-A1A8-991D873AF72B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Exifer\\Exifer\\ExiferShellExt.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ACDSee.JPG	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 3564	2680	regsvr32.exe	82
PID 2680 wrote to memory of 3564	2680	regsvr32.exe	82
PID 2680 wrote to memory of 3564	2680	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Exifer\Exifer\ExiferShellExt.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Exifer\Exifer\ExiferShellExt.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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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