8a567759b335bb7122bb32a85b17acef0a1643be82f439f1689693f6cdcd2679

General

Target

8a567759b335bb7122bb32a85b17acef0a1643be82f439f1689693f6cdcd2679.xls
Size

96KB
MD5

abb526dcabee9e73957f9be80ea5c097
SHA1

958ba174aee32a8f861479adf7f49f60217541d7
SHA256

8a567759b335bb7122bb32a85b17acef0a1643be82f439f1689693f6cdcd2679
SHA512

a4911eafb452b61671fedb3cef7aefc83f44141331412350da22f7d138b4ce4792df17dbb4cff93c389d7aaad9c7b697c5fc6afd749f089eab032666d19b96bf
SSDEEP

1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4jHuS4hcTO97v7UYdEJm3J:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgx

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	1044	2992	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4472	2992	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4064	2992	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3884	2992	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 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
2992	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2992	EXCEL.EXE
2992	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2992	EXCEL.EXE
2992	EXCEL.EXE
2992	EXCEL.EXE
2992	EXCEL.EXE
2992	EXCEL.EXE
2992	EXCEL.EXE
2992	EXCEL.EXE
2992	EXCEL.EXE
2992	EXCEL.EXE
2992	EXCEL.EXE
2992	EXCEL.EXE
2992	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 1044	2992	EXCEL.EXE	87
PID 2992 wrote to memory of 1044	2992	EXCEL.EXE	87
PID 2992 wrote to memory of 4472	2992	EXCEL.EXE	91
PID 2992 wrote to memory of 4472	2992	EXCEL.EXE	91
PID 2992 wrote to memory of 4064	2992	EXCEL.EXE	95
PID 2992 wrote to memory of 4064	2992	EXCEL.EXE	95
PID 2992 wrote to memory of 3884	2992	EXCEL.EXE	96
PID 2992 wrote to memory of 3884	2992	EXCEL.EXE	96

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8a567759b335bb7122bb32a85b17acef0a1643be82f439f1689693f6cdcd2679.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:2992
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1044
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4472
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4064
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3884

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
3ccaa46eab375fd303e5d8b6ee405f05

SHA1
0dbf1c37c86aa73084e1ed3e3c997d50562c7a56

SHA256
10b271d863c04f3b21b123d0464f984dd69b1e1dbb4265f2d308b8db47789d4a

SHA512
bac6d1e685abafb098385ac82352f07adf9ea389df9f1774d68287263c32a0259598d184db9785ff9dd1f238e6186d0cfd4ade637cf57017b25a465b428244ab

Download Submit
C:\Users\Admin\soci2.ocx

Filesize
36KB

MD5
3b79e62476916ff33ddc0668a0898e6d

SHA1
fe4f73a8019a0407cec5e2eb0c344adc4ab73bae

SHA256
418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81

SHA512
3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

Download Submit
memory/2992-11-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

Filesize
2.0MB

Download
memory/2992-12-0x00007FFC27230000-0x00007FFC27240000-memory.dmp

Filesize
64KB

Download
memory/2992-5-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

Filesize
2.0MB

Download
memory/2992-6-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

Filesize
2.0MB

Download
memory/2992-7-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

Filesize
64KB

Download
memory/2992-4-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

Filesize
64KB

Download
memory/2992-0-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

Filesize
64KB

Download
memory/2992-10-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

Filesize
2.0MB

Download
memory/2992-9-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

Filesize
2.0MB

Download
memory/2992-2-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

Filesize
64KB

Download
memory/2992-8-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

Filesize
2.0MB

Download
memory/2992-13-0x00007FFC27230000-0x00007FFC27240000-memory.dmp

Filesize
64KB

Download
memory/2992-3-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

Filesize
64KB

Download
memory/2992-32-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

Filesize
2.0MB

Download
memory/2992-33-0x00007FFC6954D000-0x00007FFC6954E000-memory.dmp

Filesize
4KB

Download
memory/2992-34-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

Filesize
2.0MB

Download
memory/2992-1-0x00007FFC6954D000-0x00007FFC6954E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads