e2dee1d55c2627c0130f9bd086dad906430111e5fb5475ad5d0ca1c04b7d3bd1

Analysis

max time kernel
128s
max time network
147s
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, 17:06

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General

Target

e2dee1d55c2627c0130f9bd086dad906430111e5fb5475ad5d0ca1c04b7d3bd1.xls
Size

217KB
MD5

3a5b04209fd302f301e77aafda7cf1e7
SHA1

b61497c6fcc2cfb7f79fd8c3f24a35d662c1c5f5
SHA256

e2dee1d55c2627c0130f9bd086dad906430111e5fb5475ad5d0ca1c04b7d3bd1
SHA512

93346396b7e06735be3610509dc41bf0e32c1e3c8101369c3aedbb423343e20ecd6da6a2fe758bc7c0b20e23307b1e64cc9f30436829f9ab8b6bbd112a987c6b
SSDEEP

6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dg8yY+TAQXTHGUMEyP5p6f5jQmB:nbGUMVWlbB

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	2744	3712	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4224	3712	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2256	3712	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2780	3712	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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
3712	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3712	EXCEL.EXE
3712	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE
3712	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3712 wrote to memory of 2744	3712	EXCEL.EXE	68
PID 3712 wrote to memory of 2744	3712	EXCEL.EXE	68
PID 3712 wrote to memory of 4224	3712	EXCEL.EXE	69
PID 3712 wrote to memory of 4224	3712	EXCEL.EXE	69
PID 3712 wrote to memory of 2256	3712	EXCEL.EXE	70
PID 3712 wrote to memory of 2256	3712	EXCEL.EXE	70
PID 3712 wrote to memory of 2780	3712	EXCEL.EXE	71
PID 3712 wrote to memory of 2780	3712	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\e2dee1d55c2627c0130f9bd086dad906430111e5fb5475ad5d0ca1c04b7d3bd1.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:3712
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:2744
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4224
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:2256
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:2780

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/3712-119-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

Filesize
64KB

Download
memory/3712-128-0x00007FF7CA190000-0x00007FF7CA1A0000-memory.dmp

Filesize
64KB

Download
memory/3712-129-0x00007FF7CA190000-0x00007FF7CA1A0000-memory.dmp

Filesize
64KB

Download
memory/3712-118-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

Filesize
64KB

Download
memory/3712-117-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

Filesize
64KB

Download
memory/3712-116-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

Filesize
64KB

Download
memory/3712-294-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

Filesize
64KB

Download
memory/3712-295-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

Filesize
64KB

Download
memory/3712-296-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

Filesize
64KB

Download
memory/3712-297-0x00007FF7CDC00000-0x00007FF7CDC10000-memory.dmp

Filesize
64KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads