831d59e087de5c23025cba07d00c15f2e1d263b3f86a044b976ead6f7355f8de

General

Target

831d59e087de5c23025cba07d00c15f2e1d263b3f86a044b976ead6f7355f8de.xls
Size

96KB
MD5

876e1fbd63a152b4ebefa42036c1d952
SHA1

0b73dbd5c089bba62a88adbe7e585bb63c0cfe8a
SHA256

831d59e087de5c23025cba07d00c15f2e1d263b3f86a044b976ead6f7355f8de
SHA512

26756cd76f8a75b9f1b482b4b1830bcc73533e829c6f8098b9710ca2d88a21c57a6310b2528109675c81715681b4ac4431df532a74efc859335404bc02908f81
SSDEEP

1536:WkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgNHuS4hcTO97v7UYdEJmOux:JKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgk

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://aysbody.com/catalog/fKIbKAcI81pVn/

xlm40.dropper

http://www.birebiregitim.net/wp-includes/mpaZ6zBj3IAJcx/

xlm40.dropper

http://fashionbyprincessmelodicaah.com/4185PINT/79YtAbiNx92iI/

xlm40.dropper

https://pccurico.cl/wp-admin/x3kyR3u8ARXStL7/

Signatures

Process spawned unexpected child process 4 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	1228	412	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4672	412	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3156	412	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2984	412	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
412	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
412	EXCEL.EXE
412	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE
412	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 412 wrote to memory of 1228	412	EXCEL.EXE	87
PID 412 wrote to memory of 1228	412	EXCEL.EXE	87
PID 412 wrote to memory of 4672	412	EXCEL.EXE	88
PID 412 wrote to memory of 4672	412	EXCEL.EXE	88
PID 412 wrote to memory of 3156	412	EXCEL.EXE	89
PID 412 wrote to memory of 3156	412	EXCEL.EXE	89
PID 412 wrote to memory of 2984	412	EXCEL.EXE	95
PID 412 wrote to memory of 2984	412	EXCEL.EXE	95

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\831d59e087de5c23025cba07d00c15f2e1d263b3f86a044b976ead6f7355f8de.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:412
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1228
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4672
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3156
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2984

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

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Downloads

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

Filesize
1KB

MD5
322038892529c6b21e4b599af1202fd2

SHA1
6257f55f0a61e8d3209f9139a55a020c93ed8a70

SHA256
77a8b3c3d9696f9702a576af72e9dbee0a6e36f160ce9fce3d11a1aeef030e69

SHA512
582e512450f4c6f831fe7c69fa998f36eeff1bc614b58be5852fba2ebe5cf7b6630cb51b519ae482da8e204c693b7bbeced2160abb1eecf0bf57f4c79c02d12f

Download Submit
memory/412-15-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-11-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-2-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

Filesize
64KB

Download
memory/412-8-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-7-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

Filesize
64KB

Download
memory/412-10-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-0-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

Filesize
64KB

Download
memory/412-12-0x00007FFC369B0000-0x00007FFC369C0000-memory.dmp

Filesize
64KB

Download
memory/412-13-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-9-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-3-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

Filesize
64KB

Download
memory/412-14-0x00007FFC369B0000-0x00007FFC369C0000-memory.dmp

Filesize
64KB

Download
memory/412-16-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-17-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-18-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-19-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-6-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-20-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-5-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

Filesize
64KB

Download
memory/412-4-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-33-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-34-0x00007FFC78D0D000-0x00007FFC78D0E000-memory.dmp

Filesize
4KB

Download
memory/412-38-0x00007FFC78C70000-0x00007FFC78E65000-memory.dmp

Filesize
2.0MB

Download
memory/412-1-0x00007FFC78D0D000-0x00007FFC78D0E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads