e8adc700903428e870035e5ba75d99418078f1ca365ebfe05ee636682e62e5ac

General

Target

e8adc700903428e870035e5ba75d99418078f1ca365ebfe05ee636682e62e5ac.xls
Size

70KB
MD5

d67a9a8885789e8d836c4f1166c190fa
SHA1

ad11a7e7bdff145821c7422360aba4d2587f4fc4
SHA256

e8adc700903428e870035e5ba75d99418078f1ca365ebfe05ee636682e62e5ac
SHA512

1b04ae5dd453059bb5c5ad57c641ce031be1704f9fe2d4426e745609a85db059600bb7ffa1b30cd59221ea28d0e837a846631dbc49d7d74a8dd96c597b32baad
SSDEEP

1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+e+hDcnTLiQrRTZws8Eg0:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMh

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://strachanclark.com/images/3gc4qCpSFYbBMDEC/

xlm40.dropper

https://synapse-archive.com/images/bKaMr/

xlm40.dropper

https://sumuvesa.com/wp-includes/rgL/

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	796	2520	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3756	2520	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	404	2520	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2520	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2520	EXCEL.EXE
2520	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE
2520	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 796	2520	EXCEL.EXE	85
PID 2520 wrote to memory of 796	2520	EXCEL.EXE	85
PID 2520 wrote to memory of 3756	2520	EXCEL.EXE	86
PID 2520 wrote to memory of 3756	2520	EXCEL.EXE	86
PID 2520 wrote to memory of 404	2520	EXCEL.EXE	98
PID 2520 wrote to memory of 404	2520	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\e8adc700903428e870035e5ba75d99418078f1ca365ebfe05ee636682e62e5ac.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:2520
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:796
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3756
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:404

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

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Downloads

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

Filesize
2KB

MD5
410a04043bbd24195e541197f1af0559

SHA1
e5001868560aca57654402c0a4deac35e3c74bee

SHA256
5e7649f143746f0f9915b42d72a848b528775faebe494cd940bffabcb6398537

SHA512
b4db369c2bd418cc57e9cefdf915183c611548bc0affad44150f998df83eecaa4e3a2158861a1f668e63f20816e5615b7f8d029a0dc07cdd21e19a4c24c5d4ee

Download Submit
memory/2520-12-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-0-0x00007FF973AF0000-0x00007FF973B00000-memory.dmp

Filesize
64KB

Download
memory/2520-10-0x00007FF971A90000-0x00007FF971AA0000-memory.dmp

Filesize
64KB

Download
memory/2520-14-0x00007FF971A90000-0x00007FF971AA0000-memory.dmp

Filesize
64KB

Download
memory/2520-6-0x00007FF973AF0000-0x00007FF973B00000-memory.dmp

Filesize
64KB

Download
memory/2520-8-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-9-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-7-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-11-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-3-0x00007FF9B3B0D000-0x00007FF9B3B0E000-memory.dmp

Filesize
4KB

Download
memory/2520-1-0x00007FF973AF0000-0x00007FF973B00000-memory.dmp

Filesize
64KB

Download
memory/2520-2-0x00007FF973AF0000-0x00007FF973B00000-memory.dmp

Filesize
64KB

Download
memory/2520-5-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-13-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-15-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-17-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-19-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-18-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-16-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-34-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

Filesize
2.0MB

Download
memory/2520-4-0x00007FF973AF0000-0x00007FF973B00000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads