f3041c33e2cc55bfa63f3c547eda41eceea32e8b2c0270892f10d966ac151813

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 11:40

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General

Target

$_0_/dl_peer_id.dll
Size

85KB
MD5

c6e0c16fcfe918d40819ededec3ae240
SHA1

a09f398b3a8ed4520a7142325d1f73667571cf35
SHA256

c425bc774fc681798797fd4c7e0c11e3318fa4c184b61f23b5cb5c641c8dbcb9
SHA512

404a4b9525a3c88c8f488e02273dcac5e2659bec563471f2629621736fdebadacbfba0e253b6ead893bfc69bf01e6d45852699bdc77d3c6ea7f7bfb19850d2c6
SSDEEP

768:5m/NxWeyBQHRv4yqLSypchegiicB+JQYqPo+nZr5FwqNjfyOO+666laCiNmtdt81:5m1UXiRv3iLcJQ8wDNTxotrRqk3p6DH

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 44 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}\VersionIndependentProgID\ = "Dl_peer_id.DownloadLibPlugin"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}\TypeLib\ = "{3E618540-AFE5-4DFC-B440-1A760323133B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.XlPeerId	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.DownloadLibPlugin.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.DownloadLibPlugin.1\ = "DownloadLibPlugin Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.DownloadLibPlugin.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.DownloadLibPlugin	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.DownloadLibPlugin\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_0_\\dl_peer_id.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.XlPeerId\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}\ProgID\ = "Dl_peer_id.XlPeerId.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.XlPeerId.1\ = "XlPeerId Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}\ = "XlPeerId Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.DownloadLibPlugin\ = "DownloadLibPlugin Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.DownloadLibPlugin\CurVer\ = "Dl_peer_id.DownloadLibPlugin.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.XlPeerId\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.DownloadLibPlugin\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.DownloadLibPlugin\CLSID\ = "{D76D152E-836B-489B-A333-930A7F22A1D4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}\TypeLib\ = "{3E618540-AFE5-4DFC-B440-1A760323133B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}\ = "DownloadLibPlugin Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}\ProgID\ = "Dl_peer_id.DownloadLibPlugin.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.XlPeerId\CLSID\ = "{5D72951E-2B86-41B9-835F-464346928269}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}\VersionIndependentProgID\ = "Dl_peer_id.XlPeerId"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D76D152E-836B-489B-A333-930A7F22A1D4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.XlPeerId\CurVer\ = "Dl_peer_id.XlPeerId.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.XlPeerId.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.XlPeerId.1\CLSID\ = "{5D72951E-2B86-41B9-835F-464346928269}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.XlPeerId\ = "XlPeerId Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_0_\\dl_peer_id.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5D72951E-2B86-41B9-835F-464346928269}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.DownloadLibPlugin.1\CLSID\ = "{D76D152E-836B-489B-A333-930A7F22A1D4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dl_peer_id.XlPeerId.1	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 1376	4608	regsvr32.exe	82
PID 4608 wrote to memory of 1376	4608	regsvr32.exe	82
PID 4608 wrote to memory of 1376	4608	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$_0_\dl_peer_id.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4608
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$_0_\dl_peer_id.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1376

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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