0846910f2f2c0c686afab342cbb79965a115b35e41a0381819a0d10461d45c77

Resubmissions

14-07-2021 19:15

210714-kbf8zkt3qa 10

14-07-2021 12:29

210714-nbf5bw46ce 10

Analysis

max time kernel
596s
max time network
488s
platform
windows10_x64
resource
win10v20210410
submitted
14-07-2021 19:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

dbt_ntf_1184293.xlsm
Size

84KB
MD5

afdd3ac1e245c015cd6703ac38f6cc06
SHA1

6c5daf1541d2b05f5d6c99c2bc5a9bcff23688cf
SHA256

0846910f2f2c0c686afab342cbb79965a115b35e41a0381819a0d10461d45c77
SHA512

6c65d2a616397ed5645af8bb4a16dcadaaf9efa86d22b64509bad873eeb6086d7e9129eeee516f2d321771815b326dd858da7f13ad32721ce496cfc0d24300f3

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://162.248.225.89/m1.dll

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3944	772	regsvr32.exe	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

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

772 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE
772	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 772 wrote to memory of 3944 772 EXCEL.EXE regsvr32.exe
PID 772 wrote to memory of 3944 772 EXCEL.EXE regsvr32.exe

description	pid	process	target process
PID 772 wrote to memory of 3944	772	EXCEL.EXE	regsvr32.exe
PID 772 wrote to memory of 3944	772	EXCEL.EXE	regsvr32.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\dbt_ntf_1184293.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:772

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 ..\odndmfd.dll
2⤵
- Process spawned unexpected child process
PID:3944

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/772-114-0x00007FF65FBF0000-0x00007FF6631A6000-memory.dmp

Filesize
53.7MB

Download
memory/772-115-0x00007FF8256F0000-0x00007FF825700000-memory.dmp

Filesize
64KB

Download
memory/772-116-0x00007FF8256F0000-0x00007FF825700000-memory.dmp

Filesize
64KB

Download
memory/772-117-0x00007FF8256F0000-0x00007FF825700000-memory.dmp

Filesize
64KB

Download
memory/772-118-0x00007FF8256F0000-0x00007FF825700000-memory.dmp

Filesize
64KB

Download
memory/772-119-0x00007FF8256F0000-0x00007FF825700000-memory.dmp

Filesize
64KB

Download
memory/772-122-0x00007FF845870000-0x00007FF84695E000-memory.dmp

Filesize
16.9MB

Download
memory/772-123-0x00007FF843970000-0x00007FF845865000-memory.dmp

Filesize
31.0MB

Download
memory/3944-282-0x0000000000000000-mapping.dmp

Download