7a9b9c85dce039c6a7e5cbcc4f9c91a1bd582027fc25a41a5f6e18bfc4365f38

Analysis

max time kernel
129s
max time network
143s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
03/11/2022, 23:22

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General

Target

7a9b9c85dce039c6a7e5cbcc4f9c91a1bd582027fc25a41a5f6e18bfc4365f38.xls
Size

217KB
MD5

ddee987abc8b88a478ef2e50311bd146
SHA1

ed023c9df6576a617a9358f96798d8f386ac1869
SHA256

7a9b9c85dce039c6a7e5cbcc4f9c91a1bd582027fc25a41a5f6e18bfc4365f38
SHA512

6595cd5c41b786155df64a58359e092a1654b8a570fe0c9c9cd2055ce2928525cefb6449e709357a935fa2aa16c355f799c37b92a1f65f6aaa3e4334e2f18b31
SSDEEP

6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm4:JbGUMVWlb4

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://aquariorecords.com.br/wp-content/A8G3ownNApEj1L4hF/

xlm40.dropper

http://ftp.pricoat.com.mx/Fichas/3ybJLLXu5zqqn8Sx/

xlm40.dropper

http://armannahalpersian.ir/3H5qqUOB/

xlm40.dropper

http://alagi.ge/application/irnz5Rs8qWvQrf/

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	4792	2680	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1352	2680	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3504	2680	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4476	2680	regsvr32.exe	65

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
2680	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2680	EXCEL.EXE
2680	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2680	EXCEL.EXE
2680	EXCEL.EXE
2680	EXCEL.EXE
2680	EXCEL.EXE
2680	EXCEL.EXE
2680	EXCEL.EXE
2680	EXCEL.EXE
2680	EXCEL.EXE
2680	EXCEL.EXE
2680	EXCEL.EXE
2680	EXCEL.EXE
2680	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 4792	2680	EXCEL.EXE	68
PID 2680 wrote to memory of 4792	2680	EXCEL.EXE	68
PID 2680 wrote to memory of 1352	2680	EXCEL.EXE	69
PID 2680 wrote to memory of 1352	2680	EXCEL.EXE	69
PID 2680 wrote to memory of 3504	2680	EXCEL.EXE	70
PID 2680 wrote to memory of 3504	2680	EXCEL.EXE	70
PID 2680 wrote to memory of 4476	2680	EXCEL.EXE	71
PID 2680 wrote to memory of 4476	2680	EXCEL.EXE	71

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\7a9b9c85dce039c6a7e5cbcc4f9c91a1bd582027fc25a41a5f6e18bfc4365f38.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:2680
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4792
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:1352
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3504
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4476

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2680-297-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

Filesize
64KB

Download
memory/2680-120-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

Filesize
64KB

Download
memory/2680-121-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

Filesize
64KB

Download
memory/2680-122-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

Filesize
64KB

Download
memory/2680-131-0x00007FFF36210000-0x00007FFF36220000-memory.dmp

Filesize
64KB

Download
memory/2680-132-0x00007FFF36210000-0x00007FFF36220000-memory.dmp

Filesize
64KB

Download
memory/2680-298-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

Filesize
64KB

Download
memory/2680-119-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

Filesize
64KB

Download
memory/2680-295-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

Filesize
64KB

Download
memory/2680-296-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

Filesize
64KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads