f71531d590ed9217c7c065593256fca6a5fe2a7aed295a7531dc7d1415bfdcc1

General

Target

f71531d590ed9217c7c065593256fca6a5fe2a7aed295a7531dc7d1415bfdcc1.xls
Size

96KB
MD5

d4887e9565ac567bac8a87c2c9cb7081
SHA1

cbe00fd5580798ce69d146f314fdad1da9f86e9a
SHA256

f71531d590ed9217c7c065593256fca6a5fe2a7aed295a7531dc7d1415bfdcc1
SHA512

6ef9583c0838ee43aaff53d623b06174767897c5c10a02e1856b4e4c260e04bc70b14c945eaaa27c3ed0c8ca763ed50b9acae21607e0378b027b3d26d28d4d1e
SSDEEP

1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4jHuS4hcTO97v7UYdEJm39:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgF

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://fisika.mipa.uns.ac.id/reseller/img/nRAvAgoY8Y/

xlm40.dropper

http://greycoconut.com/edm/71qUA/

xlm40.dropper

http://zonainformatica.es/tienda/XCHJmidSYTkE/

xlm40.dropper

http://balletmagazine.ro/wp-content/9VrMPV/

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	3060	1436	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4536	1436	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4628	1436	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3276	1436	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
1436	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1436	EXCEL.EXE
1436	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1436	EXCEL.EXE
1436	EXCEL.EXE
1436	EXCEL.EXE
1436	EXCEL.EXE
1436	EXCEL.EXE
1436	EXCEL.EXE
1436	EXCEL.EXE
1436	EXCEL.EXE
1436	EXCEL.EXE
1436	EXCEL.EXE
1436	EXCEL.EXE
1436	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 3060	1436	EXCEL.EXE	85
PID 1436 wrote to memory of 3060	1436	EXCEL.EXE	85
PID 1436 wrote to memory of 4536	1436	EXCEL.EXE	90
PID 1436 wrote to memory of 4536	1436	EXCEL.EXE	90
PID 1436 wrote to memory of 4628	1436	EXCEL.EXE	92
PID 1436 wrote to memory of 4628	1436	EXCEL.EXE	92
PID 1436 wrote to memory of 3276	1436	EXCEL.EXE	93
PID 1436 wrote to memory of 3276	1436	EXCEL.EXE	93

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f71531d590ed9217c7c065593256fca6a5fe2a7aed295a7531dc7d1415bfdcc1.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:1436
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3060
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4536
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4628
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3276

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\soci2.ocx

Filesize
36KB

MD5
3b79e62476916ff33ddc0668a0898e6d

SHA1
fe4f73a8019a0407cec5e2eb0c344adc4ab73bae

SHA256
418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81

SHA512
3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

Download Submit
memory/1436-13-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-1-0x00007FFAF8EF0000-0x00007FFAF8F00000-memory.dmp

Filesize
64KB

Download
memory/1436-5-0x00007FFAF8EF0000-0x00007FFAF8F00000-memory.dmp

Filesize
64KB

Download
memory/1436-7-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-8-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-6-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-2-0x00007FFAF8EF0000-0x00007FFAF8F00000-memory.dmp

Filesize
64KB

Download
memory/1436-0-0x00007FFAF8EF0000-0x00007FFAF8F00000-memory.dmp

Filesize
64KB

Download
memory/1436-10-0x00007FFAF6590000-0x00007FFAF65A0000-memory.dmp

Filesize
64KB

Download
memory/1436-9-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-4-0x00007FFAF8EF0000-0x00007FFAF8F00000-memory.dmp

Filesize
64KB

Download
memory/1436-11-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-18-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-16-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-14-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-12-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-15-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-17-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-20-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-19-0x00007FFAF6590000-0x00007FFAF65A0000-memory.dmp

Filesize
64KB

Download
memory/1436-22-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-21-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download
memory/1436-3-0x00007FFB38F0D000-0x00007FFB38F0E000-memory.dmp

Filesize
4KB

Download
memory/1436-41-0x00007FFB38E70000-0x00007FFB39065000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads