0c35f5b724faaa4d0f4f17f62272610047408b381df876067c98fca735a3682d

Analysis

max time kernel
1396s
max time network
1173s
platform
windows11-21h2_x64
resource
win11-20231128-en
resource tags

arch:x64arch:x86image:win11-20231128-enlocale:en-usos:windows11-21h2-x64system
submitted
04-12-2023 17:56

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General

Target

The-MALWARE-Repo-master/Banking-Malware/Zloader.xlsm
Size

93KB
MD5

b36a0543b28f4ad61d0f64b729b2511b
SHA1

bf62dc338b1dd50a3f7410371bc3f2206350ebea
SHA256

90c03a8ca35c33aad5e77488625598da6deeb08794e6efc9f1ddbe486df33e0c
SHA512

cf691e088f9852a3850ee458ef56406ead4aea539a46f8f90eb8e300bc06612a66dfa6c9dee8dcb801e7edf7fb4ed35226a5684f4164eaad073b9511189af037
SSDEEP

1536:0sqG3SkDNIVXnR8TeYSSkCXgN+Uu+j6XJaRqWD/0ACKNONUhfy:0sNrxWXnCjiubXKD/EQA

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://erpoweredent.at/3/zte.dll

Signatures

Process spawned suspicious child process 1 IoCs

This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

Processes:

DW20.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	4396	3608	DW20.EXE	EXCEL.EXE

Checks processor information in registry 2 TTPs 10 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEdwwin.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	dwwin.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEdwwin.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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3608 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

EXCEL.EXE

pid process

3608 EXCEL.EXE
3608 EXCEL.EXE
3608 EXCEL.EXE
3608 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3608 EXCEL.EXE
3608 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3608	EXCEL.EXE
3608	EXCEL.EXE
3608	EXCEL.EXE
3608	EXCEL.EXE
3608	EXCEL.EXE
3608	EXCEL.EXE
3608	EXCEL.EXE
3608	EXCEL.EXE
3608	EXCEL.EXE
3608	EXCEL.EXE
3608	EXCEL.EXE
3608	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEDW20.EXE

description	pid	process	target process
PID 3608 wrote to memory of 4396	3608	EXCEL.EXE	DW20.EXE
PID 3608 wrote to memory of 4396	3608	EXCEL.EXE	DW20.EXE
PID 4396 wrote to memory of 4736	4396	DW20.EXE	dwwin.exe
PID 4396 wrote to memory of 4736	4396	DW20.EXE	dwwin.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\The-MALWARE-Repo-master\Banking-Malware\Zloader.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3608

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4400
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:4396

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 4400
3⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:4736

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3608-14-0x00007FFB363D0000-0x00007FFB363E0000-memory.dmp

Filesize
64KB

Download
memory/3608-2-0x00007FFB38670000-0x00007FFB38680000-memory.dmp

Filesize
64KB

Download
memory/3608-1-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/3608-3-0x00007FFB38670000-0x00007FFB38680000-memory.dmp

Filesize
64KB

Download
memory/3608-5-0x00007FFB38670000-0x00007FFB38680000-memory.dmp

Filesize
64KB

Download
memory/3608-7-0x00007FFB38670000-0x00007FFB38680000-memory.dmp

Filesize
64KB

Download
memory/3608-6-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/3608-4-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/3608-8-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/3608-9-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/3608-11-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/3608-10-0x00007FFB363D0000-0x00007FFB363E0000-memory.dmp

Filesize
64KB

Download
memory/3608-12-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/3608-13-0x00007FFB771C0000-0x00007FFB7727D000-memory.dmp

Filesize
756KB

Download
memory/3608-31-0x00007FFB771C0000-0x00007FFB7727D000-memory.dmp

Filesize
756KB

Download
memory/3608-0-0x00007FFB38670000-0x00007FFB38680000-memory.dmp

Filesize
64KB

Download
memory/3608-30-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/4396-34-0x00007FFB38670000-0x00007FFB38680000-memory.dmp

Filesize
64KB

Download
memory/4396-24-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/4396-29-0x00007FFB771C0000-0x00007FFB7727D000-memory.dmp

Filesize
756KB

Download
memory/4396-20-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/4396-41-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/4396-22-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/4396-35-0x00007FFB38670000-0x00007FFB38680000-memory.dmp

Filesize
64KB

Download
memory/4396-39-0x00007FFB771C0000-0x00007FFB7727D000-memory.dmp

Filesize
756KB

Download
memory/4396-38-0x00007FFB771C0000-0x00007FFB7727D000-memory.dmp

Filesize
756KB

Download
memory/4396-36-0x00007FFB38670000-0x00007FFB38680000-memory.dmp

Filesize
64KB

Download
memory/4396-37-0x00007FFB38670000-0x00007FFB38680000-memory.dmp

Filesize
64KB

Download
memory/4396-40-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download
memory/4396-19-0x00007FFB785E0000-0x00007FFB787E9000-memory.dmp

Filesize
2.0MB

Download