d42e7c6fb1689b358c15854692f4cf3cfa46e9d432033d738263a27b4a1bb44d

General

Target

d42e7c6fb1689b358c15854692f4cf3cfa46e9d432033d738263a27b4a1bb44d.xls
Size

96KB
MD5

727807181f7cf2a0bd7a4289447fd426
SHA1

0f16f1f4c660617d9439ad76d6293b17bf64fceb
SHA256

d42e7c6fb1689b358c15854692f4cf3cfa46e9d432033d738263a27b4a1bb44d
SHA512

5995ac355f20821f9d117b41e2f96d300f6b30eb2722db7cbe86365f012167861a82187b766434b117729ae63d588a4363225b71713be8d7d6180a018a1c2c37
SSDEEP

1536:7kKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg4jHuS4hcTO97v7UYdEJm3Z:IKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgB

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	3504	4084	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1420	4084	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1712	4084	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1888	4084	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
4084	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4084	EXCEL.EXE
4084	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 3504	4084	EXCEL.EXE	87
PID 4084 wrote to memory of 3504	4084	EXCEL.EXE	87
PID 4084 wrote to memory of 1420	4084	EXCEL.EXE	92
PID 4084 wrote to memory of 1420	4084	EXCEL.EXE	92
PID 4084 wrote to memory of 1712	4084	EXCEL.EXE	94
PID 4084 wrote to memory of 1712	4084	EXCEL.EXE	94
PID 4084 wrote to memory of 1888	4084	EXCEL.EXE	95
PID 4084 wrote to memory of 1888	4084	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\d42e7c6fb1689b358c15854692f4cf3cfa46e9d432033d738263a27b4a1bb44d.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:4084
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3504
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1420
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1712
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1888

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
48b85a7bdd5bfbc0f92662f72e913ee3

SHA1
b65c6354256ae0332678066d6da16ec3c1732bf4

SHA256
862a80f92e725a173a679284a761cb3f9d5d1906dd40508064a236d92a694d65

SHA512
8dc4b7a470c2097acb4c30ce05716cab08036510cc50bd2d5d7637b810d1f59c83b909e991d5add7afa7811cd61bbb8027cb332d16cc5e6a01bcfa05cd728870

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

Filesize
36KB

MD5
3b79e62476916ff33ddc0668a0898e6d

SHA1
fe4f73a8019a0407cec5e2eb0c344adc4ab73bae

SHA256
418099d0e61f486fc52144bd0b16c8833b893eb9203163835c59045ca9782b81

SHA512
3b42ec3d6c8d68824e43ea8bd0b62c4434fd995f8dc93c3a278e229168b080c5920b226c02236bd98cd7ddadab19536dd05a4e4f35323393ac9ef766b0759bfa

Download Submit
memory/4084-6-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/4084-12-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-5-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-4-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-8-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/4084-10-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-9-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-7-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-1-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/4084-13-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-14-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-3-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download
memory/4084-15-0x00007FFF52050000-0x00007FFF52060000-memory.dmp

Filesize
64KB

Download
memory/4084-11-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-16-0x00007FFF52050000-0x00007FFF52060000-memory.dmp

Filesize
64KB

Download
memory/4084-17-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-0-0x00007FFF940CD000-0x00007FFF940CE000-memory.dmp

Filesize
4KB

Download
memory/4084-36-0x00007FFF940CD000-0x00007FFF940CE000-memory.dmp

Filesize
4KB

Download
memory/4084-37-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-38-0x00007FFF94030000-0x00007FFF94225000-memory.dmp

Filesize
2.0MB

Download
memory/4084-2-0x00007FFF540B0000-0x00007FFF540C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads