63abc500d2a9f12692276d1cd2becc0ce16719ab69a69ea9827bd411f12b4291

Analysis

max time kernel
143s
max time network
144s
platform
windows10_x64
resource
win10v20210410
submitted
06-05-2021 22:02

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General

Target

BOL.xlsm
Size

44KB
MD5

56d32b6823bf5fd7d2360f423b62e9f2
SHA1

cc45d98bea6687480fa5d35bbfafa3ca3b873304
SHA256

00777c86e585397754f0e73a927bcaa3e39a4948d9bb28e758f0f5bfdac1eef4
SHA512

49351436490b45c0935d2cc9ea53397e79748612f90c21c83d7f9082451eb0c3184929add7a4434b5bcbbc62cdbae219388d7326e562e502f11f33cbd75114cd

Score

10^/10

Malware Config

Extracted

Language

vba

URLs

vba.dropper

https://spacekicker.com/l6g9ann.gif

vba.dropper

https://arvacol.com/mm4rtgiv.rar

vba.dropper

https://www.stameco.com/a1wnyve.zip

vba.dropper

https://rowquinte.ca/ksx0l5.pdf

vba.dropper

https://appmc.servertrack.co/tldv5s7.pdf

vba.dropper

https://bohnke.nl/kh9vsgk.txt

vba.dropper

https://auditionsuite.com/nwn2v21.gif

vba.dropper

https://static.danfosterdesign.co.uk/lru8mnc.rar

vba.dropper

https://schalke04rss.de/qgahx29.rar

vba.dropper

https://www.club-bergwerk.de/aejibnslx.txt

vba.dropper

https://blog.robi2.hu/jhls4938.gif

vba.dropper

https://SiluetaSportsWear.com/xszw6zgx.txt

vba.dropper

https://geocache.altosaxplayer.com/a5k6di.gif

vba.dropper

https://stroimdomsami.pp.ua/a9jlwkg.zip

vba.dropper

https://m2.gameonlinefx31.com/aw57lpq.pdf

vba.dropper

https://gramosindia.com/hqhln1pg.txt

vba.dropper

https://arrowbo.com/u6hgcy.zip

vba.dropper

https://mail.izmirfujitsuklimaservisi.com/e7fmruu.txt

vba.dropper

https://mashroo3i.bh/fvvguy.zip

vba.dropper

https://cron.altosaxplayer.com/lp7smh.pdf

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

WerFault.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	2296	3992	WerFault.exe	EXCEL.EXE

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2296 created 3992 2296 WerFault.exe EXCEL.EXE
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2296 3992 WerFault.exe EXCEL.EXE

description	pid	process	target process
PID 2296 created 3992	2296	WerFault.exe	EXCEL.EXE

pid	pid_target	process	target process
2296	3992	WerFault.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 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

3992 EXCEL.EXE

pid	process
3992	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe
2296	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 2296 WerFault.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

3992 EXCEL.EXE
3992 EXCEL.EXE
3992 EXCEL.EXE
3992 EXCEL.EXE
3992 EXCEL.EXE
3992 EXCEL.EXE
3992 EXCEL.EXE
3992 EXCEL.EXE

description	pid	process
Token: SeDebugPrivilege	2296	WerFault.exe

pid	process
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.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\BOL.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3992

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3992 -s 2116
2⤵
- Process spawned unexpected child process
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2296

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

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Downloads

memory/3992-114-0x00007FF754080000-0x00007FF757636000-memory.dmp

Filesize
53.7MB

Download
memory/3992-115-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download
memory/3992-116-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download
memory/3992-117-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download
memory/3992-118-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download
memory/3992-122-0x00007FFDCA390000-0x00007FFDCA3A0000-memory.dmp

Filesize
64KB

Download
memory/3992-121-0x00007FFDEAD10000-0x00007FFDEBDFE000-memory.dmp

Filesize
16.9MB

Download
memory/3992-123-0x000001B5AB6D0000-0x000001B5AD5C5000-memory.dmp

Filesize
31.0MB

Download
memory/3992-179-0x000001B5BF130000-0x000001B5BF134000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads