39e05bd4c7e50e5dbcde392823b1007a6c57da91630171c06e00f3395d1f99ef

Analysis

max time kernel
0s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 11:29

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General

Target

1adaa0d2762fad06c5962dfd73daa552.exe
Size

289KB
MD5

1adaa0d2762fad06c5962dfd73daa552
SHA1

9893f2dc6250e7518b8eacd9a8cc0464d0ec8ce8
SHA256

39e05bd4c7e50e5dbcde392823b1007a6c57da91630171c06e00f3395d1f99ef
SHA512

8938b9f9f89d596d0af77f02eace8ec3f7c48fae6308fa6a4edad9549d699761a0b974f2a25b8d1bb2a7bda20476a9b4c883b94cfa3f6829bee6c56be645a7d2
SSDEEP

6144:C5O8bnBSO/9xxY3hkm1ZDLZA3M7KrD37lSCVzhhyn:TqIOYGmvLZA3M7KrDJVQ

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2644	SeFastInstall2_3218.exe

Loads dropped DLL 7 IoCs

pid	Process
1800	1adaa0d2762fad06c5962dfd73daa552.exe
1800	1adaa0d2762fad06c5962dfd73daa552.exe
1800	1adaa0d2762fad06c5962dfd73daa552.exe
1800	1adaa0d2762fad06c5962dfd73daa552.exe
2644	SeFastInstall2_3218.exe
2644	SeFastInstall2_3218.exe
2644	SeFastInstall2_3218.exe

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2644-26-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2644-40-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2644-42-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2644-43-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2644-44-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2644-45-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2644-46-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2644-47-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2644-48-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2644-49-0x0000000000400000-0x00000000004AB000-memory.dmp	upx

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	SeFastInstall2_3218.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	\??\c:\windows\taobao.ico	1adaa0d2762fad06c5962dfd73daa552.exe

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

System Information Discovery
T1082

Modifies registry class 32 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\DefaultIcon\ = "C:\\Windows\\SysWow64\\SHELL32.DLL,220"	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\Shell\Internet Explorer\Command	1adaa0d2762fad06c5962dfd73daa552.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\InfoTip = "Internet Explorer"	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\Shell\Internet Explorer	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\ShellFolder	1adaa0d2762fad06c5962dfd73daa552.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\ShellFolder\Attributes = "0"	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage	1adaa0d2762fad06c5962dfd73daa552.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\ = "Internet Explorer"	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\Shell	1adaa0d2762fad06c5962dfd73daa552.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\DefaultIcon\ = "c:\\windows\\taobao.ico"	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\Shell	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}	1adaa0d2762fad06c5962dfd73daa552.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\InfoTip = "ÌÔ±¦-ÌØ¼Û"	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\DefaultIcon	1adaa0d2762fad06c5962dfd73daa552.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\ = "ÌÔ±¦-ÌØ¼Û"	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}	1adaa0d2762fad06c5962dfd73daa552.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\Shell\Internet Explorer\Command\ = "C:\\Program Files (x86)\\Internet Explorer\\iexplore.exe http://www.my133.net/?1"	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\TypeLib	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\Shell\Internet Explorer	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\ShellFolder	1adaa0d2762fad06c5962dfd73daa552.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\TypeLib\ = "{CD4B2E76-8905-4CE9-8AE4-38163919C985}"	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\TypeLib	1adaa0d2762fad06c5962dfd73daa552.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\TypeLib\ = "{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}"	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\DefaultIcon	1adaa0d2762fad06c5962dfd73daa552.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EF2B9DCD-E16C-4CCE-8D71-2745C0E8B2F8}\Shell\Internet Explorer\Command\ = "C:\\Program Files (x86)\\Internet Explorer\\iexplore.exe http://www.05zw.com/taobao/taobao.html"	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\Shell\Internet Explorer\Command	1adaa0d2762fad06c5962dfd73daa552.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	1adaa0d2762fad06c5962dfd73daa552.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CD4B2E76-8905-4CE9-8AE4-38163919C985}\ShellFolder\Attributes = "0"	1adaa0d2762fad06c5962dfd73daa552.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2644	SeFastInstall2_3218.exe
2644	SeFastInstall2_3218.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2644	1800	1adaa0d2762fad06c5962dfd73daa552.exe	15
PID 1800 wrote to memory of 2644	1800	1adaa0d2762fad06c5962dfd73daa552.exe	15
PID 1800 wrote to memory of 2644	1800	1adaa0d2762fad06c5962dfd73daa552.exe	15
PID 1800 wrote to memory of 2644	1800	1adaa0d2762fad06c5962dfd73daa552.exe	15
PID 1800 wrote to memory of 2644	1800	1adaa0d2762fad06c5962dfd73daa552.exe	15
PID 1800 wrote to memory of 2644	1800	1adaa0d2762fad06c5962dfd73daa552.exe	15
PID 1800 wrote to memory of 2644	1800	1adaa0d2762fad06c5962dfd73daa552.exe	15

C:\Users\Admin\AppData\Local\Temp\1adaa0d2762fad06c5962dfd73daa552.exe
"C:\Users\Admin\AppData\Local\Temp\1adaa0d2762fad06c5962dfd73daa552.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Users\Admin\AppData\Local\Temp\SeFastInstall2_3218.exe
  "C:\Users\Admin\AppData\Local\Temp\SeFastInstall2_3218.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of SetWindowsHookEx
  PID:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1800-21-0x0000000000B00000-0x0000000000BAB000-memory.dmp

Filesize
684KB

Download
memory/2644-45-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-46-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-40-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-42-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-43-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-44-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-27-0x0000000000240000-0x00000000002EB000-memory.dmp

Filesize
684KB

Download
memory/2644-26-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-47-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-48-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-49-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-50-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-51-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-52-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2644-53-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads