abd0ee709a4da53f98077949878ab7bf87a5aba28065527f3580c46d4cb52690

General

Target

abd0ee709a4da53f98077949878ab7bf87a5aba28065527f3580c46d4cb52690.xls
Size

71KB
MD5

536dedd72bbc959b9c6c741f18d0c668
SHA1

11950368583f1fd376ac478700a0354cdb550991
SHA256

abd0ee709a4da53f98077949878ab7bf87a5aba28065527f3580c46d4cb52690
SHA512

20c66ed1fb5a87380b9a6a0d2ce55baba7f24ff617c593f863ef26898e0dd8c854fd1d839e8b3e064eb2ed0fe93c9c8715ea0e1a9255fb35744767ac90fd98cb
SSDEEP

1536:DhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+gH+hDcnTLiQrRTZws8EYy:FKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMj

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://papillonweb.fr/wp-content/G8z08q0mj/

xlm40.dropper

http://brennanasia.com/images/6IwPBHbnUvfgugV1b/

xlm40.dropper

https://estacioesportivavilanovailageltru.cat/tmp/IgSyqwgJmE/

Signatures

Process spawned unexpected child process 3 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	1180	2656	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1516	2656	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1748	2656	regsvr32.exe	82

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
2656	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2656	EXCEL.EXE
2656	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 1180	2656	EXCEL.EXE	89
PID 2656 wrote to memory of 1180	2656	EXCEL.EXE	89
PID 2656 wrote to memory of 1516	2656	EXCEL.EXE	90
PID 2656 wrote to memory of 1516	2656	EXCEL.EXE	90
PID 2656 wrote to memory of 1748	2656	EXCEL.EXE	98
PID 2656 wrote to memory of 1748	2656	EXCEL.EXE	98

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\abd0ee709a4da53f98077949878ab7bf87a5aba28065527f3580c46d4cb52690.xls"
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:2656
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\usoiy1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1180
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\usoiy2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1516
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\usoiy3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1748

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
3KB

MD5
dd018dc20cf263c9c6675cf75e108c68

SHA1
4fd62267cba4fad9d5b41edefa1d1a6956180c53

SHA256
92684a341886e73fc177647495995b6855fd6e1588955acce092d2fc44ca6552

SHA512
007bb718a2a396e059e966a169d6d425c64f9ce730d2d85d45ff0c4d6a73535c6b24ad4b68bfca94ba06fdcc2bd01f84bd7f8da4c784bbababd2054e411f32b7

Download Submit
C:\Users\Admin\usoiy1.ocx

Filesize
111KB

MD5
a32ddff026d0c45aec7bf4c84fb00e6f

SHA1
377fa6800165a19b9f2b760ba1b970ab3c09d3ae

SHA256
79a01b0fa26cfd15bd528c57d32d2bb6e6a984f2b0f4d95d7b24dfcf1dcb89e9

SHA512
de15e922e1bf7c43e73050acaedaa1b9c7978cf3ac29ccd24ce114617a93cd6d6fa035f9226bd32fa2c72892ffb8fdf92665b322e90ffeb82d85f306ee30cf9e

Download Submit
C:\Users\Admin\usoiy3.ocx

Filesize
56KB

MD5
f34e4b7f769306519143947d83c03039

SHA1
fb2af13bc0f9361decfce757beb46981c3d8b174

SHA256
840cae86366b6237e49e8079658f8d6c6aa520a63e0c7b3958c57dc315f42462

SHA512
30b689710e0ae951de8c44736e55a81751c0623dae07c0b207e0e90fb288857f11a6219848aed38a71612b5da36f1d7f7d38d0be07b17fe9a6b432aa16be014d

Download Submit
memory/2656-11-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-13-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-8-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-2-0x00007FF9E2050000-0x00007FF9E2060000-memory.dmp

Filesize
64KB

Download
memory/2656-1-0x00007FF9E2050000-0x00007FF9E2060000-memory.dmp

Filesize
64KB

Download
memory/2656-3-0x00007FFA2206D000-0x00007FFA2206E000-memory.dmp

Filesize
4KB

Download
memory/2656-10-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-9-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-12-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-0-0x00007FF9E2050000-0x00007FF9E2060000-memory.dmp

Filesize
64KB

Download
memory/2656-14-0x00007FF9DFFC0000-0x00007FF9DFFD0000-memory.dmp

Filesize
64KB

Download
memory/2656-6-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-17-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-18-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-16-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-19-0x00007FF9DFFC0000-0x00007FF9DFFD0000-memory.dmp

Filesize
64KB

Download
memory/2656-15-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-7-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-45-0x00007FFA21FD0000-0x00007FFA221C5000-memory.dmp

Filesize
2.0MB

Download
memory/2656-5-0x00007FF9E2050000-0x00007FF9E2060000-memory.dmp

Filesize
64KB

Download
memory/2656-4-0x00007FF9E2050000-0x00007FF9E2060000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads