bf3f46097c7766605ef2b6744d7ce077b1bb58cdccc17166e85882fc6403b38b

Analysis

max time kernel
116s
max time network
139s
platform
windows10_x64
resource
win10v20210408
submitted
20-07-2021 14:18

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General

Target

8017a07f03965d9490f9cdbba68ff3a3580441ca0e76b140f1e4bb939c4073b3.xls
Size

712KB
MD5

01db26749ca18d3d1cadcdb367ac18ca
SHA1

6eb78092e667f7375177e5da42bd302a4e00c670
SHA256

8017a07f03965d9490f9cdbba68ff3a3580441ca0e76b140f1e4bb939c4073b3
SHA512

f31aecdb134bd0f0177e4466aa3fe540b4518f3e95a6c8e4549d609bf99e13ea7ee051e030664d57a5d0b20ec848407e5dbd58c2a69130d015c8099f248439a4

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

mshta.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	3948	3628	mshta.exe	EXCEL.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 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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3628 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE
3628	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 3628 wrote to memory of 3948 3628 EXCEL.EXE mshta.exe
PID 3628 wrote to memory of 3948 3628 EXCEL.EXE mshta.exe

description	pid	process	target process
PID 3628 wrote to memory of 3948	3628	EXCEL.EXE	mshta.exe
PID 3628 wrote to memory of 3948	3628	EXCEL.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\8017a07f03965d9490f9cdbba68ff3a3580441ca0e76b140f1e4bb939c4073b3.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3628

C:\Windows\SYSTEM32\mshta.exe
mshta "C:\ProgramData\qDialogPrint.sct"
2⤵
- Process spawned unexpected child process
PID:3948

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

C:\ProgramData\qDialogPrint.sct
MD5
452d54472649b3023138ab5fa473958a

SHA1
e0f841e2ba26c252d4c8d6d9c56e0da3cdb25131

SHA256
9467fcd384ca2d5a4726d2fb29e68678c57626fd77391c2e090f0fea3a2ff946

SHA512
6c837738d02b3a99e11214f95aae504b33f658dd85aea4181faf155b52294324474ec52f277ad7614f6c0c911629ee9118d3bb395337816a07e9a1b158240867

Download Submit
memory/3628-117-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/3628-116-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/3628-114-0x00007FF7B0880000-0x00007FF7B3E36000-memory.dmp

Filesize
53.7MB

Download
memory/3628-118-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/3628-121-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/3628-122-0x00007FFAAA520000-0x00007FFAAB60E000-memory.dmp

Filesize
16.9MB

Download
memory/3628-123-0x00007FFAA8620000-0x00007FFAAA515000-memory.dmp

Filesize
31.0MB

Download
memory/3628-115-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/3628-302-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/3628-303-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/3628-304-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/3628-305-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/3948-265-0x0000000000000000-mapping.dmp

Download