af15fbbb18a9460e9044c77b8cea2fc5f45f68320ab69a3556f8ff27a63cb33e

General

Target

af15fbbb18a9460e9044c77b8cea2fc5f45f68320ab69a3556f8ff27a63cb33e.xls
Size

96KB
MD5

67dba099769c20862372929ea972796e
SHA1

45194fc37ab5cefc0baae318c2f4eba53215192b
SHA256

af15fbbb18a9460e9044c77b8cea2fc5f45f68320ab69a3556f8ff27a63cb33e
SHA512

27d9916bf08efeda2a15be66462daf1cfa86cfb16ec137cf32f077a0a7d00acf6c8fd26b12634ad184972da7eb61a3cd1d8ea9cf12dae49dea985cc5e949353f
SSDEEP

1536:WkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEHuS4hcTO97v7UYdEJmK7:JKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgk

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://bpsjambi.id/about/CcN5IbuInPQ/

xlm40.dropper

https://greenlizard.co.za/amanah/pu8xeUOpqqq/

xlm40.dropper

https://akuntansi.itny.ac.id/asset/NH7qwRrn81Taa0VVqpx/

xlm40.dropper

https://www.yell.ge/nav_logo/x960wo3PHaIUm/

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	4072	3428	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1888	3428	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3328	3428	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2480	3428	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
3428	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3428	EXCEL.EXE
3428	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE
3428	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 4072	3428	EXCEL.EXE	88
PID 3428 wrote to memory of 4072	3428	EXCEL.EXE	88
PID 3428 wrote to memory of 1888	3428	EXCEL.EXE	90
PID 3428 wrote to memory of 1888	3428	EXCEL.EXE	90
PID 3428 wrote to memory of 3328	3428	EXCEL.EXE	91
PID 3428 wrote to memory of 3328	3428	EXCEL.EXE	91
PID 3428 wrote to memory of 2480	3428	EXCEL.EXE	92
PID 3428 wrote to memory of 2480	3428	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\af15fbbb18a9460e9044c77b8cea2fc5f45f68320ab69a3556f8ff27a63cb33e.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:3428
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4072
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1888
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3328
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2480

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
4KB

MD5
f728cfee4e24bc062474ace85bc6c23a

SHA1
36ec2f466e85279bcdc8b63695feac57f3263e91

SHA256
2311e8310742661560863a36d18d2900d9ec83180ecc6425255c41a12b9b31e9

SHA512
c8fbc92901d1d39af8aab9ea187abc832c70f93be614561416a22fefb6fe2b5a5b7ddee0593890298b7d66a9cad4e4f144f2d0e4ece05e366b67a705bb609588

Download Submit
memory/3428-14-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-19-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-1-0x00007FFD63830000-0x00007FFD63840000-memory.dmp

Filesize
64KB

Download
memory/3428-4-0x00007FFD63830000-0x00007FFD63840000-memory.dmp

Filesize
64KB

Download
memory/3428-5-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-7-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-8-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-9-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-6-0x00007FFD63830000-0x00007FFD63840000-memory.dmp

Filesize
64KB

Download
memory/3428-10-0x00007FFD60F20000-0x00007FFD60F30000-memory.dmp

Filesize
64KB

Download
memory/3428-11-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-0-0x00007FFD63830000-0x00007FFD63840000-memory.dmp

Filesize
64KB

Download
memory/3428-2-0x00007FFD63830000-0x00007FFD63840000-memory.dmp

Filesize
64KB

Download
memory/3428-18-0x00007FFD60F20000-0x00007FFD60F30000-memory.dmp

Filesize
64KB

Download
memory/3428-15-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-17-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-13-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-21-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-23-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-22-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-20-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-16-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-12-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-49-0x00007FFDA37B0000-0x00007FFDA39A5000-memory.dmp

Filesize
2.0MB

Download
memory/3428-3-0x00007FFDA384D000-0x00007FFDA384E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads