97c83302a8e6cf45c425139b6711d08af5878928c130bea8c28dc951a021c382

General

Target

97c83302a8e6cf45c425139b6711d08af5878928c130bea8c28dc951a021c382.xls
Size

74KB
MD5

63aaa783bd7e9422654036acb1799212
SHA1

b81c8eceba2c4c0d5782756fa86a3a7e786aa877
SHA256

97c83302a8e6cf45c425139b6711d08af5878928c130bea8c28dc951a021c382
SHA512

9ed5786ed8da9b872fd789d15315947b8532cefdd7db5092b821b45652623742ad93e332c73d8961354f0b2e259d4ac407b1f0deaab52b471240f5ebe3ee155d
SSDEEP

1536:VTOKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgTKHuS4NcTO9/z7UYdEJBo:VaKpb8rGYrMPe3q7Q0XV5xtezEsi8/dw

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://bdtin.com/cache/4G8pl/

xlm40.dropper

http://bascoysonido.com.ar/cgi-bin/AmUUPhWK6oTKLzHpl7zm/

xlm40.dropper

http://basnetbd.com/ckfinder/K0a/

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	3076	2588	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	412	2588	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3592	2588	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4068	2588	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
2588	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2588	EXCEL.EXE
2588	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 3076	2588	EXCEL.EXE	87
PID 2588 wrote to memory of 3076	2588	EXCEL.EXE	87
PID 2588 wrote to memory of 412	2588	EXCEL.EXE	90
PID 2588 wrote to memory of 412	2588	EXCEL.EXE	90
PID 2588 wrote to memory of 3592	2588	EXCEL.EXE	94
PID 2588 wrote to memory of 3592	2588	EXCEL.EXE	94
PID 2588 wrote to memory of 4068	2588	EXCEL.EXE	95
PID 2588 wrote to memory of 4068	2588	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\97c83302a8e6cf45c425139b6711d08af5878928c130bea8c28dc951a021c382.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:2588
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cui1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3076
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cui2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:412
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cui3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3592
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cui4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4068

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
3KB

MD5
c01fbc43e00ae0314b95cb918679d190

SHA1
870e545b6874fce164a00c1d6ddd160a2ad96767

SHA256
19ec63e09e4c6fd11d9f64b2c89fb456bc53c38904d3374542976609393a0178

SHA512
b705399f58b20d264d121520658cce8e28396b162392564a08c0e60d623e6dfb3f5a60b1f94b7a37814e9c43ca3a3c7e2f6aa6f36d0ab84e706c1b6a4750f49f

Download Submit
memory/2588-6-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/2588-1-0x00007FFA3ED6D000-0x00007FFA3ED6E000-memory.dmp

Filesize
4KB

Download
memory/2588-15-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-5-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-7-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-8-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-9-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-10-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-13-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-12-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-14-0x00007FF9FCA50000-0x00007FF9FCA60000-memory.dmp

Filesize
64KB

Download
memory/2588-11-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-3-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/2588-2-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/2588-16-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-17-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-18-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-22-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-21-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-20-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-19-0x00007FF9FCA50000-0x00007FF9FCA60000-memory.dmp

Filesize
64KB

Download
memory/2588-4-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download
memory/2588-48-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-49-0x00007FFA3ED6D000-0x00007FFA3ED6E000-memory.dmp

Filesize
4KB

Download
memory/2588-50-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-51-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

Filesize
2.0MB

Download
memory/2588-0-0x00007FF9FED50000-0x00007FF9FED60000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads