41b9b1489cc9c5df2cd33eb4f9292710b25c0072299d81d2c58c75b2296cfa70

Analysis

max time kernel
161s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 01:15

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General

Target

09c44485af177aa1bb76fea91191330c.exe
Size

354KB
MD5

09c44485af177aa1bb76fea91191330c
SHA1

a63703680517936c3d0a6821e78fb046cafe721a
SHA256

41b9b1489cc9c5df2cd33eb4f9292710b25c0072299d81d2c58c75b2296cfa70
SHA512

8638a3a9de27c1de9a4f011e99383305d7274374b5807ba21f7abc55784d643855add0be4655cf0c97a8c60205577e236cf11324c9c4214ae18cc463a6b8fa73
SSDEEP

6144:X+nkuDHol98+X3AnyxAtr2dDyqBpHu2OmkhPu/FLohiQctoDd9ijquYCMB:unkJl9vXQyxAtKdDyqfH5Ojh2QR2jzhM

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4872	SERVER~1.EXE
2368	Hacker.com.cn.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	09c44485af177aa1bb76fea91191330c.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\uninstal.bat	SERVER~1.EXE
File created	C:\Windows\Hacker.com.cn.exe	SERVER~1.EXE
File opened for modification	C:\Windows\Hacker.com.cn.exe	SERVER~1.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4872	SERVER~1.EXE
Token: SeDebugPrivilege	2368	Hacker.com.cn.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2368	Hacker.com.cn.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 4872	1836	09c44485af177aa1bb76fea91191330c.exe	96
PID 1836 wrote to memory of 4872	1836	09c44485af177aa1bb76fea91191330c.exe	96
PID 1836 wrote to memory of 4872	1836	09c44485af177aa1bb76fea91191330c.exe	96
PID 4872 wrote to memory of 4512	4872	SERVER~1.EXE	99
PID 4872 wrote to memory of 4512	4872	SERVER~1.EXE	99
PID 4872 wrote to memory of 4512	4872	SERVER~1.EXE	99
PID 2368 wrote to memory of 4152	2368	Hacker.com.cn.exe	98
PID 2368 wrote to memory of 4152	2368	Hacker.com.cn.exe	98

C:\Users\Admin\AppData\Local\Temp\09c44485af177aa1bb76fea91191330c.exe
"C:\Users\Admin\AppData\Local\Temp\09c44485af177aa1bb76fea91191330c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SERVER~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SERVER~1.EXE
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4872
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\uninstal.bat
    3⤵
    PID:4512

C:\Windows\Hacker.com.cn.exe
C:\Windows\Hacker.com.cn.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:4152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SERVER~1.EXE

Filesize
293KB

MD5
d74072ab5ed37c3e9105eb94b677e1ad

SHA1
a880c968426889592fa4c29596c27f1de4672dbd

SHA256
049b0fd88d0322bf7d20a90b14b6a7a9db33e54a35d9dd4ac4523791b424b6c2

SHA512
78687e58e7283ef8a1349211ea6578201a220b3f084b6903ae435c3475b33a596adad2d02212585adb250bf6bed27efc00e45d8cf4df73cc77e4613f41598e2d

Download Submit
C:\Windows\uninstal.bat

Filesize
164B

MD5
924ea7ae6df752587469376459875c51

SHA1
ec5fa69c7e5dcaf5b57eefadc4f25a8e4ae073e1

SHA256
46c715ac82d5774479b760757498ddb0b9f75cebc116a3da81f9e438bc9bbb09

SHA512
ea7b176a411b82faf5fcd785c67180f88f9ff28f7e24c4f4b49f8e7cdc99fb60e38722b61547a4291bdd2c56b3729045c2e8d4afbecfe03612ab0dd8a7b6ae35

Download Submit
memory/1836-0-0x0000000001000000-0x00000000010B7000-memory.dmp

Filesize
732KB

Download
memory/1836-3-0x0000000001000000-0x00000000010B7000-memory.dmp

Filesize
732KB

Download
memory/1836-17-0x0000000001000000-0x00000000010B7000-memory.dmp

Filesize
732KB

Download
memory/2368-15-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/2368-19-0x0000000000400000-0x00000000004C6200-memory.dmp

Filesize
792KB

Download
memory/2368-20-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/4872-7-0x0000000000400000-0x00000000004C6200-memory.dmp

Filesize
792KB

Download
memory/4872-8-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/4872-16-0x0000000000400000-0x00000000004C6200-memory.dmp

Filesize
792KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads