8a915790f4ee152d6571baaf9889d329512b6f01bceb1f2f5e04555847f7e19c

General

Target

8a915790f4ee152d6571baaf9889d329512b6f01bceb1f2f5e04555847f7e19c.xlsm
Size

40KB
MD5

da0b76db649742e0fda517942a63a27c
SHA1

4c8a72ac3f587493be01fff98c09be2eb3aa11a7
SHA256

8a915790f4ee152d6571baaf9889d329512b6f01bceb1f2f5e04555847f7e19c
SHA512

4c01d3e40dbeaa0d23ef6fecd50957792fca1c24e3247a2e5c82d40a679ae3825d071d972d3cfb474849f5e9e65e17d9a9887e4367260453ba9230723846c980
SSDEEP

768:iknyGomihd8DOevZCwtCyKfcrND59V+L9Rw4eWrXcTqZ0Vfs3GTE:aGom8eDmylND59V4jwmXc2CVfs37

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://wellnessonus.com/wp-admin/OFq5F8Y/

xlm40.dropper

http://choicepestcontrol.xyz/wellknown/PERKnM4X/

xlm40.dropper

https://sse-studio.com/cq0xhpj/6pmmsaPCOGtG6/

xlm40.dropper

http://velasaromaticasonline.com/wp-admin/5Id5LqSb3O3BUM5Z/

xlm40.dropper

https://alonsoconsultancyservice.com/wp-content/0r7tMAnLfwKu0gvcH/

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	2324	4928	regsvr32.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.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
4928	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4928	EXCEL.EXE
4928	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4928	EXCEL.EXE
4928	EXCEL.EXE
4928	EXCEL.EXE
4928	EXCEL.EXE
4928	EXCEL.EXE
4928	EXCEL.EXE
4928	EXCEL.EXE
4928	EXCEL.EXE
4928	EXCEL.EXE
4928	EXCEL.EXE
4928	EXCEL.EXE
4928	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 2324	4928	EXCEL.EXE	89
PID 4928 wrote to memory of 2324	4928	EXCEL.EXE	89
PID 4928 wrote to memory of 2324	4928	EXCEL.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8a915790f4ee152d6571baaf9889d329512b6f01bceb1f2f5e04555847f7e19c.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe /s ..\dan.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2324

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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
c007e226dc0d4f31a258034e823d4e57

SHA1
354a53f3d3dd3cffb552b3a4c63a01b22b32f1e0

SHA256
27a236641fd87b7086dc8dbf7876a3c9b158dd4c9cbb3c171424e7cd86eec9cd

SHA512
34e3e453272107c5417a465bace3901810e54a972302834e7c34caceed9139aa628227830aba6205f92f2d0c438cafcffae16e6d5096491f74a0d7f876b26c7f

Download Submit
C:\Users\Admin\dan.ocx

Filesize
2KB

MD5
17e9bd8c6f6f618d6e982be41808b10a

SHA1
4527d899e97dc1b50f0a390ce6cba387d5a04704

SHA256
55e76063c4b61835df28d197c8600de3181c21f65b17a8f078d1c77496a81109

SHA512
f855ba0ef307e581ca60016137d523fd7fc565f1fc82e213820ccf253e36d616544f3f97bcaa9f9731a601b7cfe824895ee39751b6f802c0e03b0c285c45359b

Download Submit
memory/4928-5-0x00007FF7F4AB0000-0x00007FF7F4AC0000-memory.dmp

Filesize
64KB

Download
memory/4928-9-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-4-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-8-0x00007FF7F4AB0000-0x00007FF7F4AC0000-memory.dmp

Filesize
64KB

Download
memory/4928-7-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-11-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-10-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-16-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-15-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-6-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-2-0x00007FF7F4AB0000-0x00007FF7F4AC0000-memory.dmp

Filesize
64KB

Download
memory/4928-0-0x00007FF834ACD000-0x00007FF834ACE000-memory.dmp

Filesize
4KB

Download
memory/4928-12-0x00007FF7F22A0000-0x00007FF7F22B0000-memory.dmp

Filesize
64KB

Download
memory/4928-17-0x00007FF7F22A0000-0x00007FF7F22B0000-memory.dmp

Filesize
64KB

Download
memory/4928-14-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-13-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-19-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-18-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-3-0x00007FF7F4AB0000-0x00007FF7F4AC0000-memory.dmp

Filesize
64KB

Download
memory/4928-41-0x00007FF834ACD000-0x00007FF834ACE000-memory.dmp

Filesize
4KB

Download
memory/4928-42-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-43-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4928-1-0x00007FF7F4AB0000-0x00007FF7F4AC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads