36baae4e17d6c7c294f543016ff2167ef2d2801f5990bf67e6ce54ebfb24a0e8

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 01:34

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General

Target

ba2fb4155e5de91a3180e71f7535757d.xls
Size

110KB
MD5

ba2fb4155e5de91a3180e71f7535757d
SHA1

cde3bc2e199e02f19c551b3084f7674122c9ef19
SHA256

36baae4e17d6c7c294f543016ff2167ef2d2801f5990bf67e6ce54ebfb24a0e8
SHA512

64fc89b7fff597527903865c5e108a09e0032deb3b1c30535bceb7a030c443361093668a574fdda2faa772fe7cd4f9ffa376e73a3bcc324aec86ad9d2034f426
SSDEEP

1536:0hhhnshmKyDj0zn4YhDLS1NYJF5IZ952wxlsiiquOXxidjFs2jcc0lbxOqTgZZxP:zvFZu2jcc0lbxOK+c9JtXwei

Score

10^/10

macro xlm

Malware Config

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	3496	4812	cmd.exe	86
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3244	4812	cmd.exe	86
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3804	4812	cmd.exe	86

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral2/files/0x00040000000226fd-106.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
4812	EXCEL.EXE

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	EXCEL.EXE

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\02675E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4812	EXCEL.EXE

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE
4812	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 3804	4812	EXCEL.EXE	91
PID 4812 wrote to memory of 3804	4812	EXCEL.EXE	91
PID 4812 wrote to memory of 3244	4812	EXCEL.EXE	92
PID 4812 wrote to memory of 3244	4812	EXCEL.EXE	92
PID 4812 wrote to memory of 3496	4812	EXCEL.EXE	94
PID 4812 wrote to memory of 3496	4812	EXCEL.EXE	94
PID 3804 wrote to memory of 3348	3804	cmd.exe	97
PID 3804 wrote to memory of 3348	3804	cmd.exe	97

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3348	attrib.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ba2fb4155e5de91a3180e71f7535757d.xls"
1⤵
- Deletes itself
- Enumerates connected drives
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3804
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:3348
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  PID:3244
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  PID:3496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ba2fb4155e5de91a3180e71f7535757d.xls

Filesize
150KB

MD5
67fbb2b7aaf6de8ed79e2fbbb9b8c295

SHA1
57c1a9f0fdd1d414b14c6fda6a0cc1a294e60303

SHA256
2ff2ac6aea9971a151565164194739e26957fe9095294ced7d76934ef0a54046

SHA512
af8965a925e7d05e601a6bdf4d74eeb07bb79bf264f597a8a77a1d1589e64cca2613cb69d29fe689898280e0189604c3c6b3f51d1ab48a5b1b11207727b05965

Download Submit
memory/4812-1-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

Filesize
64KB

Download
memory/4812-0-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

Filesize
64KB

Download
memory/4812-3-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

Filesize
64KB

Download
memory/4812-2-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-4-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

Filesize
64KB

Download
memory/4812-5-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-6-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

Filesize
64KB

Download
memory/4812-7-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-8-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-9-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-10-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-12-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-11-0x00007FFF2F490000-0x00007FFF2F4A0000-memory.dmp

Filesize
64KB

Download
memory/4812-14-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-13-0x00007FFF2F490000-0x00007FFF2F4A0000-memory.dmp

Filesize
64KB

Download
memory/4812-15-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-16-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-17-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-18-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-20-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-21-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-22-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-23-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-19-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-30-0x000001D34B5B0000-0x000001D34BDB0000-memory.dmp

Filesize
8.0MB

Download
memory/4812-39-0x000001D34A090000-0x000001D34A490000-memory.dmp

Filesize
4.0MB

Download
memory/4812-42-0x000001D34B5B0000-0x000001D34BDB0000-memory.dmp

Filesize
8.0MB

Download
memory/4812-45-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-49-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-54-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-55-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-57-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-65-0x000001D34B5B0000-0x000001D34BDB0000-memory.dmp

Filesize
8.0MB

Download
memory/4812-72-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-109-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-110-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-114-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download
memory/4812-115-0x000001D34B5B0000-0x000001D34BDB0000-memory.dmp

Filesize
8.0MB

Download
memory/4812-116-0x000001D34B5B0000-0x000001D34BDB0000-memory.dmp

Filesize
8.0MB

Download
memory/4812-119-0x000001D34A090000-0x000001D34A490000-memory.dmp

Filesize
4.0MB

Download
memory/4812-120-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-121-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-122-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-123-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-124-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-125-0x000001D34B5B0000-0x000001D34BDB0000-memory.dmp

Filesize
8.0MB

Download
memory/4812-126-0x000001D350250000-0x000001D351220000-memory.dmp

Filesize
15.8MB

Download
memory/4812-145-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

Filesize
64KB

Download
memory/4812-144-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

Filesize
64KB

Download
memory/4812-143-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

Filesize
64KB

Download
memory/4812-142-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

Filesize
64KB

Download
memory/4812-146-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads