6858bd8d38f75c031350fdc49bfa4ebcb9c506aeb8c8dcddb3fa74430c7a8410

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 04:01

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General

Target

DHLWAYBILL.xlsm
Size

48KB
MD5

b56dfc8d86ace7bf04c142a50045eba5
SHA1

0cc7e92fda18909f8c1e2d9caf457a4072d98105
SHA256

3cf60ebd0550470ef1af91bec89af8821c8d3f400d0ba4b030f0078811d61bcc
SHA512

11c3e308533f5fb7c3397f19f373a50e23d8a8a849d0204cf495f1a3dc5f48b1a77da649ba84f3facb5201a7f4384cc2fbd3c002b5e9e3c579f15296d469ce57

Score

1^/10

Malware Config

Signatures

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 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

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

5104 EXCEL.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

EXCEL.EXE

pid	process
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE
5104	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 5104 wrote to memory of 2544	5104	EXCEL.EXE	splwow64.exe
PID 5104 wrote to memory of 2544	5104	EXCEL.EXE	splwow64.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\DHLWAYBILL.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5104

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2544

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:2136

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2544-137-0x0000000000000000-mapping.dmp

Download
memory/5104-130-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/5104-131-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/5104-132-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/5104-133-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/5104-134-0x00007FF901770000-0x00007FF901780000-memory.dmp

Filesize
64KB

Download
memory/5104-135-0x00007FF8FF710000-0x00007FF8FF720000-memory.dmp

Filesize
64KB

Download
memory/5104-136-0x00007FF8FF710000-0x00007FF8FF720000-memory.dmp

Filesize
64KB

Download