eb66f4cb0e579f6db90b131db44a24c84282bc9e5a58dd78d46daf7febe753dd

General

Target

eb66f4cb0e579f6db90b131db44a24c84282bc9e5a58dd78d46daf7febe753dd.xls
Size

70KB
MD5

db70620c3edb4ff8e4da652abc5cb9b1
SHA1

5d0e9f83476dde55f38df529a03ae6e4bc5b1655
SHA256

eb66f4cb0e579f6db90b131db44a24c84282bc9e5a58dd78d46daf7febe753dd
SHA512

ccaa94ff30127b77f344a13afa5d3bbac241597d3cd84fc15c8a6412dd665e7083d5125d08459a14540cde22d2da2354953921e7fcac827085fb6936227bfcfd
SSDEEP

1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+KJ+hDcnTLiQrRTZws8Eo:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM2

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://sacvasanth.com/public/lyP2lh1hlJr/

xlm40.dropper

https://webguruindia.com/theme/wTbEyLVvMNB3j/

xlm40.dropper

http://stockmorehouse.com/Casa_Grande/AS4VPkTsOqWDGGO/

Signatures

Process spawned unexpected child process 3 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	2004	2816	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3588	2816	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2800	2816	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
2816	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2816	EXCEL.EXE
2816	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2816	EXCEL.EXE
2816	EXCEL.EXE
2816	EXCEL.EXE
2816	EXCEL.EXE
2816	EXCEL.EXE
2816	EXCEL.EXE
2816	EXCEL.EXE
2816	EXCEL.EXE
2816	EXCEL.EXE
2816	EXCEL.EXE
2816	EXCEL.EXE
2816	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2004	2816	EXCEL.EXE	87
PID 2816 wrote to memory of 2004	2816	EXCEL.EXE	87
PID 2816 wrote to memory of 3588	2816	EXCEL.EXE	88
PID 2816 wrote to memory of 3588	2816	EXCEL.EXE	88
PID 2816 wrote to memory of 2800	2816	EXCEL.EXE	89
PID 2816 wrote to memory of 2800	2816	EXCEL.EXE	89

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\eb66f4cb0e579f6db90b131db44a24c84282bc9e5a58dd78d46daf7febe753dd.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:2816
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2004
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3588
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2800

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
667B

MD5
6426e79214b2001bb0c5bd0b3d69b01e

SHA1
46abeb70004b8a36a2a5a32b73e7d9c1d8170c78

SHA256
bfe9281db7a2327d964e1dcad9ba708d4da88cf44a3c631814d65181fb9384bf

SHA512
2c3ed94325f4134e6d901870aadeb5649a30ac99fc5161d16b501782df91ca14f90437c0870b43d938150a8abe37f6a75941bf785724c7a6c157d08735b6af06

Download Submit
memory/2816-6-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-7-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-4-0x00007FFC5CC30000-0x00007FFC5CC40000-memory.dmp

Filesize
64KB

Download
memory/2816-0-0x00007FFC9CC4D000-0x00007FFC9CC4E000-memory.dmp

Filesize
4KB

Download
memory/2816-1-0x00007FFC5CC30000-0x00007FFC5CC40000-memory.dmp

Filesize
64KB

Download
memory/2816-8-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-2-0x00007FFC5CC30000-0x00007FFC5CC40000-memory.dmp

Filesize
64KB

Download
memory/2816-11-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-10-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-12-0x00007FFC5A2D0000-0x00007FFC5A2E0000-memory.dmp

Filesize
64KB

Download
memory/2816-5-0x00007FFC5CC30000-0x00007FFC5CC40000-memory.dmp

Filesize
64KB

Download
memory/2816-9-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-20-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-17-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-18-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-19-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-13-0x00007FFC5A2D0000-0x00007FFC5A2E0000-memory.dmp

Filesize
64KB

Download
memory/2816-16-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-15-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-14-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-32-0x00007FFC9CC4D000-0x00007FFC9CC4E000-memory.dmp

Filesize
4KB

Download
memory/2816-33-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-37-0x00007FFC9CBB0000-0x00007FFC9CDA5000-memory.dmp

Filesize
2.0MB

Download
memory/2816-3-0x00007FFC5CC30000-0x00007FFC5CC40000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads