eb1ac511b502416eee27b2a29d4fc50c13992251e854c2e84d37e887a2b7b55e

General

Target

eb1ac511b502416eee27b2a29d4fc50c13992251e854c2e84d37e887a2b7b55e.xls
Size

96KB
MD5

8caf29cadcf9ea320d90b4a7331a9b07
SHA1

7bcc611ef252e789d2ece1ff3e13a841370b479a
SHA256

eb1ac511b502416eee27b2a29d4fc50c13992251e854c2e84d37e887a2b7b55e
SHA512

49ed7733548c8be6bc29b260d7dc9c0076f1a5ac4355af5d29e78e29f97c527009604b1ce8f829f34a19110a267ba89e133406ed95e52f5ca5f9fa1e15aed341
SSDEEP

1536:WkKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEHuS4hcTO97v7UYdEJm97:JKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgv

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.

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3308	5004	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	376	5004	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1936	5004	regsvr32.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4956	5004	regsvr32.exe	EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

5004 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

5004 EXCEL.EXE
5004 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
5004	EXCEL.EXE
5004	EXCEL.EXE
5004	EXCEL.EXE
5004	EXCEL.EXE
5004	EXCEL.EXE
5004	EXCEL.EXE
5004	EXCEL.EXE
5004	EXCEL.EXE
5004	EXCEL.EXE
5004	EXCEL.EXE
5004	EXCEL.EXE
5004	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 5004 wrote to memory of 3308	5004	EXCEL.EXE	regsvr32.exe
PID 5004 wrote to memory of 3308	5004	EXCEL.EXE	regsvr32.exe
PID 5004 wrote to memory of 376	5004	EXCEL.EXE	regsvr32.exe
PID 5004 wrote to memory of 376	5004	EXCEL.EXE	regsvr32.exe
PID 5004 wrote to memory of 1936	5004	EXCEL.EXE	regsvr32.exe
PID 5004 wrote to memory of 1936	5004	EXCEL.EXE	regsvr32.exe
PID 5004 wrote to memory of 4956	5004	EXCEL.EXE	regsvr32.exe
PID 5004 wrote to memory of 4956	5004	EXCEL.EXE	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\eb1ac511b502416eee27b2a29d4fc50c13992251e854c2e84d37e887a2b7b55e.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:5004
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:3308
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:376
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1936
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4956

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

Replay Monitor

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Downloads

memory/5004-0-0x00007FFC9B590000-0x00007FFC9B5A0000-memory.dmp

Filesize
64KB

Download
memory/5004-4-0x00007FFC9B590000-0x00007FFC9B5A0000-memory.dmp

Filesize
64KB

Download
memory/5004-8-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-10-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-9-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-13-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-12-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-15-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-16-0x00007FFC993A0000-0x00007FFC993B0000-memory.dmp

Filesize
64KB

Download
memory/5004-17-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-14-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-18-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-19-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-11-0x00007FFC993A0000-0x00007FFC993B0000-memory.dmp

Filesize
64KB

Download
memory/5004-7-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-6-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download
memory/5004-5-0x00007FFC9B590000-0x00007FFC9B5A0000-memory.dmp

Filesize
64KB

Download
memory/5004-2-0x00007FFC9B590000-0x00007FFC9B5A0000-memory.dmp

Filesize
64KB

Download
memory/5004-1-0x00007FFC9B590000-0x00007FFC9B5A0000-memory.dmp

Filesize
64KB

Download
memory/5004-3-0x00007FFCDB5AD000-0x00007FFCDB5AE000-memory.dmp

Filesize
4KB

Download
memory/5004-47-0x00007FFCDB510000-0x00007FFCDB705000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads