c1267528f4b81191aaf05b334bacf697c9ec41f5e2892f2202d0c3501e4f151d

General

Target

c1267528f4b81191aaf05b334bacf697c9ec41f5e2892f2202d0c3501e4f151d.xls
Size

70KB
MD5

287f3debd0c4fe8a48b2396da2e20b3a
SHA1

db209563a5fd9975efeac926d04f38534512e8cd
SHA256

c1267528f4b81191aaf05b334bacf697c9ec41f5e2892f2202d0c3501e4f151d
SHA512

721cffc8a4d1e2043281d7ec32cb6969b448cd2f5cd809f099b59231fbff75267b0c2332b2c98092d2c7751fb94e302dc0e5c3b1a8552044142b598e6e07c4ec
SSDEEP

1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+/+hDcnTLiQrRTZws8EbK:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM1

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.

Processes:

regsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4512	2244	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4724	2244	regsvr32.exe	82
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2908	2244	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

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
2244	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid	Process
2244	EXCEL.EXE
2244	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	Process
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE
2244	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 2244 wrote to memory of 4512	2244	EXCEL.EXE	87
PID 2244 wrote to memory of 4512	2244	EXCEL.EXE	87
PID 2244 wrote to memory of 4724	2244	EXCEL.EXE	88
PID 2244 wrote to memory of 4724	2244	EXCEL.EXE	88
PID 2244 wrote to memory of 2908	2244	EXCEL.EXE	89
PID 2244 wrote to memory of 2908	2244	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\c1267528f4b81191aaf05b334bacf697c9ec41f5e2892f2202d0c3501e4f151d.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:2244
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa1.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4512
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa2.ocx
  2⤵
  - Process spawned unexpected child process
  PID:4724
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\cusoa3.ocx
  2⤵
  - Process spawned unexpected child process
  PID:2908

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
680B

MD5
fd5b75c3bc54295df8b79d6eb03de054

SHA1
f44574d4c7b5355ce4c6a6ac2022bad11addd750

SHA256
4ebabbb1f7e47ed23d7c98e7bd1e404385fc0a5059ac26c254cd4795a6c34c1c

SHA512
77bdaeaec3b893ad50b6487f8b16f917e38bec3723875148b27caacb40e6272e336686d40983d5d47e567a8eb0b916c1c9f8a5de060912e5812b0f8abd0e7b82

Download Submit
memory/2244-13-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-0-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp

Filesize
64KB

Download
memory/2244-14-0x00007FFD493C0000-0x00007FFD493D0000-memory.dmp

Filesize
64KB

Download
memory/2244-4-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp

Filesize
64KB

Download
memory/2244-8-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-7-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp

Filesize
64KB

Download
memory/2244-9-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-6-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-11-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-3-0x00007FFD8B8ED000-0x00007FFD8B8EE000-memory.dmp

Filesize
4KB

Download
memory/2244-2-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp

Filesize
64KB

Download
memory/2244-1-0x00007FFD4B8D0000-0x00007FFD4B8E0000-memory.dmp

Filesize
64KB

Download
memory/2244-10-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-5-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-16-0x00007FFD493C0000-0x00007FFD493D0000-memory.dmp

Filesize
64KB

Download
memory/2244-17-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-19-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-18-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-15-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-20-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-36-0x00007FFD8B850000-0x00007FFD8BA45000-memory.dmp

Filesize
2.0MB

Download
memory/2244-12-0x00007FFD8B850000-0x00007FFD8BA45000-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