f9ca3a19f94ed50caa490d9afa1212246115e3fc5e3e95eab00270add20fa7b7

General

Target

f9ca3a19f94ed50caa490d9afa1212246115e3fc5e3e95eab00270add20fa7b7.xls
Size

70KB
MD5

14529a11c13620d0673251c53ccbbf27
SHA1

9df0a2c633c89fa9888172866da126814093a6ce
SHA256

f9ca3a19f94ed50caa490d9afa1212246115e3fc5e3e95eab00270add20fa7b7
SHA512

be3d05502b12f1caf0953dab74951ebcbd1484bfad2b94dd4aac84e41ef000b53bd1915dbf364ee0f03948846c2fbc480d7bd020270b773c7b3f502045bd61ff
SSDEEP

1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+/+hDcnTLiQrRTZws8EbK:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM1

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://prprofile.com/wp-admin/CIqrvgYsvBiBlIM/

xlm40.dropper

https://retardantedefuegoperu.com/slider/rFhAa78/

xlm40.dropper

http://survei.absensi.net/cc-content/YCcjkOA3ijYNu46Y/

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	3748	316	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3752	316	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1412	316	regsvr32.exe	81

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
316	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
316	EXCEL.EXE
316	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
316	EXCEL.EXE
316	EXCEL.EXE
316	EXCEL.EXE
316	EXCEL.EXE
316	EXCEL.EXE
316	EXCEL.EXE
316	EXCEL.EXE
316	EXCEL.EXE
316	EXCEL.EXE
316	EXCEL.EXE
316	EXCEL.EXE
316	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 3748	316	EXCEL.EXE	87
PID 316 wrote to memory of 3748	316	EXCEL.EXE	87
PID 316 wrote to memory of 3752	316	EXCEL.EXE	88
PID 316 wrote to memory of 3752	316	EXCEL.EXE	88
PID 316 wrote to memory of 1412	316	EXCEL.EXE	90
PID 316 wrote to memory of 1412	316	EXCEL.EXE	90

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f9ca3a19f94ed50caa490d9afa1212246115e3fc5e3e95eab00270add20fa7b7.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:316
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3748
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3752
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1412

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
1KB

MD5
011816350d031493131bd34babcd1c37

SHA1
1afa54ac94302904d16e79389967987e1df2379c

SHA256
9befa538494ff15d4abc7e2104a79df300ad8d4efdd463e43854993a8d41222d

SHA512
d3bef42316e8f3e788f4a8e97e89aedf4b3279f92b3ded48d14736876bfbeadf08e5306a078da529714a9b9e514ba381f22eadbf8fdce6ceaf988ab7cfaac103

Download Submit
memory/316-10-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-39-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

Filesize
4KB

Download
memory/316-4-0x00007FF834450000-0x00007FF834460000-memory.dmp

Filesize
64KB

Download
memory/316-5-0x00007FF834450000-0x00007FF834460000-memory.dmp

Filesize
64KB

Download
memory/316-16-0x00007FF8323F0000-0x00007FF832400000-memory.dmp

Filesize
64KB

Download
memory/316-8-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-7-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-6-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-9-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-11-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-13-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-15-0x00007FF8323F0000-0x00007FF832400000-memory.dmp

Filesize
64KB

Download
memory/316-2-0x00007FF834450000-0x00007FF834460000-memory.dmp

Filesize
64KB

Download
memory/316-14-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-0-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

Filesize
4KB

Download
memory/316-17-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-22-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-23-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-21-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-20-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-19-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-18-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-12-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-1-0x00007FF834450000-0x00007FF834460000-memory.dmp

Filesize
64KB

Download
memory/316-40-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-41-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-45-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/316-3-0x00007FF834450000-0x00007FF834460000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads