c0be5cb258ef34798c2458ac5713f4fd3ff39f456522abba97b02776d0955e37

General

Target

c0be5cb258ef34798c2458ac5713f4fd3ff39f456522abba97b02776d0955e37.xls
Size

96KB
MD5

120abfcf7ef81f32f7b5f41328ac73e6
SHA1

cc6bf59d72fc9190d4b2b59fa07b87edec0ec330
SHA256

c0be5cb258ef34798c2458ac5713f4fd3ff39f456522abba97b02776d0955e37
SHA512

9310dd9b8f42d9cb062e881c95b8a234154b6a71d40e2e510e60797d5305e3faa6de849f28b4070a7e1b166997d9c05bf0e2d5b83b67a9592c2a3e9aeb97e3ea
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	784	3080	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4996	3080	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4200	3080	regsvr32.exe	81
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4388	3080	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
3080	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3080	EXCEL.EXE
3080	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3080	EXCEL.EXE
3080	EXCEL.EXE
3080	EXCEL.EXE
3080	EXCEL.EXE
3080	EXCEL.EXE
3080	EXCEL.EXE
3080	EXCEL.EXE
3080	EXCEL.EXE
3080	EXCEL.EXE
3080	EXCEL.EXE
3080	EXCEL.EXE
3080	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 784	3080	EXCEL.EXE	86
PID 3080 wrote to memory of 784	3080	EXCEL.EXE	86
PID 3080 wrote to memory of 4996	3080	EXCEL.EXE	90
PID 3080 wrote to memory of 4996	3080	EXCEL.EXE	90
PID 3080 wrote to memory of 4200	3080	EXCEL.EXE	91
PID 3080 wrote to memory of 4200	3080	EXCEL.EXE	91
PID 3080 wrote to memory of 4388	3080	EXCEL.EXE	92
PID 3080 wrote to memory of 4388	3080	EXCEL.EXE	92

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c0be5cb258ef34798c2458ac5713f4fd3ff39f456522abba97b02776d0955e37.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:3080
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:784
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4996
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4200
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4388

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
1485bcef11295bbfcdfe5b105f41d616

SHA1
abf342681d89d38dd62a43880679cdb108f30c82

SHA256
26eb8c14e15fdb04ecbdbcbc91c219899e33f527717f93d5a08e7598c5b1d0e2

SHA512
f3abd42954f01cfcd94c3ce64a6068d7e87d604b26ab04dfa38889d215a32ff419e45721d9c08c0516f87fae86b4eec3a208dafd741d6f8c7f4b33b310afa904

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

Filesize
36KB

MD5
3b79e62476916ff33ddc0668a0898e6d

SHA1
fe4f73a8019a0407cec5e2eb0c344adc4ab73bae

SHA256
418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81

SHA512
3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

Download Submit
memory/3080-12-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

Filesize
2.0MB

Download
memory/3080-9-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

Filesize
2.0MB

Download
memory/3080-4-0x00007FF7F8330000-0x00007FF7F8340000-memory.dmp

Filesize
64KB

Download
memory/3080-5-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

Filesize
2.0MB

Download
memory/3080-7-0x00007FF7F8330000-0x00007FF7F8340000-memory.dmp

Filesize
64KB

Download
memory/3080-6-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

Filesize
2.0MB

Download
memory/3080-11-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

Filesize
2.0MB

Download
memory/3080-10-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

Filesize
2.0MB

Download
memory/3080-0-0x00007FF7F8330000-0x00007FF7F8340000-memory.dmp

Filesize
64KB

Download
memory/3080-2-0x00007FF7F8330000-0x00007FF7F8340000-memory.dmp

Filesize
64KB

Download
memory/3080-8-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

Filesize
2.0MB

Download
memory/3080-13-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

Filesize
2.0MB

Download
memory/3080-14-0x00007FF7F62D0000-0x00007FF7F62E0000-memory.dmp

Filesize
64KB

Download
memory/3080-15-0x00007FF7F62D0000-0x00007FF7F62E0000-memory.dmp

Filesize
64KB

Download
memory/3080-1-0x00007FF83834D000-0x00007FF83834E000-memory.dmp

Filesize
4KB

Download
memory/3080-34-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

Filesize
2.0MB

Download
memory/3080-35-0x00007FF83834D000-0x00007FF83834E000-memory.dmp

Filesize
4KB

Download
memory/3080-36-0x00007FF8382B0000-0x00007FF8384A5000-memory.dmp

Filesize
2.0MB

Download
memory/3080-3-0x00007FF7F8330000-0x00007FF7F8340000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads