4970b706192e5b37d86d9a6206588464bb494585dd3708f9936998cd86563cd0

General

Target

4970b706192e5b37d86d9a6206588464bb494585dd3708f9936998cd86563cd0.xls
Size

70KB
MD5

3e13c056d1702c10e5929420cc9bc05e
SHA1

1a8f79000839617a7e76673ea12c74a18794abf0
SHA256

4970b706192e5b37d86d9a6206588464bb494585dd3708f9936998cd86563cd0
SHA512

c65bc9de42c9634928290d9ab3d47647f1ea00051211e1154cd624b0736ce689fe64d2ad8e9b1943b71b2f70606c249540f7badb3f1d4961d69ebaee1ace1f31
SSDEEP

1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+KJ+hDcnTLiQrRTZws8EI:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMG

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	1556	1624	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3552	1624	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1932	1624	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\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1624	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1624	EXCEL.EXE
1624	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE
1624	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 1556	1624	EXCEL.EXE	87
PID 1624 wrote to memory of 1556	1624	EXCEL.EXE	87
PID 1624 wrote to memory of 3552	1624	EXCEL.EXE	88
PID 1624 wrote to memory of 3552	1624	EXCEL.EXE	88
PID 1624 wrote to memory of 1932	1624	EXCEL.EXE	89
PID 1624 wrote to memory of 1932	1624	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\4970b706192e5b37d86d9a6206588464bb494585dd3708f9936998cd86563cd0.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:1624
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1556
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3552
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1932

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
cf56fa7507e39d93ab7f632f42f96d82

SHA1
da7a16acbd06766ab97c35ffe5340d0b450aaffd

SHA256
9edc0601a69a547da5eeffee264c02724d9da53c33c7fc9b30147ccb171f1655

SHA512
95dc6d2e112ce9af870b3fdbfe519149167af252b3c948035cd28250971e64a4a9c9aca372ee3f74a6d5b98a9777b2857fccc2b21e8f549800aec9abc24e49b5

Download Submit
memory/1624-12-0x00007FF9362D0000-0x00007FF9362E0000-memory.dmp

Filesize
64KB

Download
memory/1624-3-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

Filesize
64KB

Download
memory/1624-7-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-13-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-14-0x00007FF9362D0000-0x00007FF9362E0000-memory.dmp

Filesize
64KB

Download
memory/1624-8-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-9-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-11-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-10-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-1-0x00007FF978AAD000-0x00007FF978AAE000-memory.dmp

Filesize
4KB

Download
memory/1624-4-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

Filesize
64KB

Download
memory/1624-2-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

Filesize
64KB

Download
memory/1624-5-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

Filesize
64KB

Download
memory/1624-15-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-6-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-16-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-26-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-27-0x00007FF978AAD000-0x00007FF978AAE000-memory.dmp

Filesize
4KB

Download
memory/1624-28-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-29-0x00007FF978A10000-0x00007FF978C05000-memory.dmp

Filesize
2.0MB

Download
memory/1624-0-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads