0e761b6fcda30f00471c7a53bc9f7c8f039894af81152ecbcfc0ceecac054940

Analysis

max time kernel
148s
max time network
145s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
03/11/2022, 13:13

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General

Target

0e761b6fcda30f00471c7a53bc9f7c8f039894af81152ecbcfc0ceecac054940.xls
Size

217KB
MD5

f4ea701fec2ae786a20c2fada8653baa
SHA1

f86b01555eac6231bf57c2f0755e7b5d3dbec4a0
SHA256

0e761b6fcda30f00471c7a53bc9f7c8f039894af81152ecbcfc0ceecac054940
SHA512

080bfe22dd52589f9fcecc8941be56bfbbdfdb9e785009b3905c420c89620f9a0c8ae460c79f319acd1ccdaf7fb71629188b67e2e9bb8ee3d4e08ea9f42037e6
SSDEEP

6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dg8yY+TAQXTHGUMEyP5p6f5jQmx:nbGUMVWlbx

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kabaruntukrakyat.com/wp-content/B9oJ0jh/

xlm40.dropper

http://coinkub.com/wp-content/WwrJvjumS/

xlm40.dropper

https://aberractivity.hu/iqq/Dmtv/

xlm40.dropper

https://anamafegarcia.es/css/HfFXMTXvc40t/

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	4520	3688	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3964	3688	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5052	3688	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4036	3688	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
3688	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3688	EXCEL.EXE
3688	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE
3688	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 4520	3688	EXCEL.EXE	68
PID 3688 wrote to memory of 4520	3688	EXCEL.EXE	68
PID 3688 wrote to memory of 3964	3688	EXCEL.EXE	69
PID 3688 wrote to memory of 3964	3688	EXCEL.EXE	69
PID 3688 wrote to memory of 5052	3688	EXCEL.EXE	70
PID 3688 wrote to memory of 5052	3688	EXCEL.EXE	70
PID 3688 wrote to memory of 4036	3688	EXCEL.EXE	71
PID 3688 wrote to memory of 4036	3688	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\0e761b6fcda30f00471c7a53bc9f7c8f039894af81152ecbcfc0ceecac054940.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:3688
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4520
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:3964
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5052
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4036

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/3688-120-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/3688-121-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/3688-122-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/3688-123-0x00007FFDA1840000-0x00007FFDA1850000-memory.dmp

Filesize
64KB

Download
memory/3688-132-0x00007FFD9DD80000-0x00007FFD9DD90000-memory.dmp

Filesize
64KB

Download
memory/3688-133-0x00007FFD9DD80000-0x00007FFD9DD90000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads