ab29bfd39273136b52d42dee7839a1be2410bff7a38f2f3fa173c700b2effea5

General

Target

ab29bfd39273136b52d42dee7839a1be2410bff7a38f2f3fa173c700b2effea5.xls
Size

70KB
MD5

b09ffa559092c69c702e05c12772e788
SHA1

7fd969291eb1eca40b7fbdf61600381fd772fba7
SHA256

ab29bfd39273136b52d42dee7839a1be2410bff7a38f2f3fa173c700b2effea5
SHA512

3b727c5317e312ef5f19f1724bba7b3911655456f18a78757d6700ecab3c6a7720dbec1f82e4385dd840ac79895ee4f9e37b2cfb08b665a292b5e1f518c96421
SSDEEP

1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+/+hDcnTLiQrRTZws8E7K:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMl

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://prprofile.com/wp-admin/CIqrvgYsvBiBlIM/

xlm40.dropper

https://retardantedefuegoperu.com/slider/rFhAa78/

xlm40.dropper

http://survei.absensi.net/cc-content/YCcjkOA3ijYNu46Y/

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	2700	5052	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4524	5052	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1132	5052	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
5052	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5052	EXCEL.EXE
5052	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
5052	EXCEL.EXE
5052	EXCEL.EXE
5052	EXCEL.EXE
5052	EXCEL.EXE
5052	EXCEL.EXE
5052	EXCEL.EXE
5052	EXCEL.EXE
5052	EXCEL.EXE
5052	EXCEL.EXE
5052	EXCEL.EXE
5052	EXCEL.EXE
5052	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 2700	5052	EXCEL.EXE	87
PID 5052 wrote to memory of 2700	5052	EXCEL.EXE	87
PID 5052 wrote to memory of 4524	5052	EXCEL.EXE	88
PID 5052 wrote to memory of 4524	5052	EXCEL.EXE	88
PID 5052 wrote to memory of 1132	5052	EXCEL.EXE	91
PID 5052 wrote to memory of 1132	5052	EXCEL.EXE	91

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ab29bfd39273136b52d42dee7839a1be2410bff7a38f2f3fa173c700b2effea5.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:5052
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2700
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4524
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:1132

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/5052-1-0x00007FFE36410000-0x00007FFE36420000-memory.dmp

Filesize
64KB

Download
memory/5052-0-0x00007FFE7642D000-0x00007FFE7642E000-memory.dmp

Filesize
4KB

Download
memory/5052-3-0x00007FFE36410000-0x00007FFE36420000-memory.dmp

Filesize
64KB

Download
memory/5052-2-0x00007FFE36410000-0x00007FFE36420000-memory.dmp

Filesize
64KB

Download
memory/5052-4-0x00007FFE36410000-0x00007FFE36420000-memory.dmp

Filesize
64KB

Download
memory/5052-5-0x00007FFE36410000-0x00007FFE36420000-memory.dmp

Filesize
64KB

Download
memory/5052-7-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-6-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-9-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-11-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-10-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-12-0x00007FFE33AB0000-0x00007FFE33AC0000-memory.dmp

Filesize
64KB

Download
memory/5052-8-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-13-0x00007FFE33AB0000-0x00007FFE33AC0000-memory.dmp

Filesize
64KB

Download
memory/5052-14-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-19-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-18-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-17-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-16-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-15-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-35-0x00007FFE7642D000-0x00007FFE7642E000-memory.dmp

Filesize
4KB

Download
memory/5052-36-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-37-0x00007FFE76390000-0x00007FFE76585000-memory.dmp

Filesize
2.0MB

Download
memory/5052-38-0x00007FFE76390000-0x00007FFE76585000-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