59c8d87a450f0647bea930eba1aa692b75d82def1358f1601c4fe9a561b4707e

Analysis

max time kernel
959s
max time network
963s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2023 08:04

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General

Target

dridex.xlsb
Size

305KB
MD5

7ed094dda30751c3d59ac259b8d7d279
SHA1

bb455aea06905ff7465af9979662f14b186b1bdd
SHA256

59c8d87a450f0647bea930eba1aa692b75d82def1358f1601c4fe9a561b4707e
SHA512

15bc9ef22f5faddadfd627ceb6ed35d66fb35c012daf1ba348c6764056299785c2eacea191fbafecb825339d5766b75541ce8a179c1d45722c3771375fe87537
SSDEEP

6144:EcX97MFRbJQjuqbwNQrPKpQJaYBCn2JFKAveG2N9F15pRBbLTDE91lZJBx7rDz3N:3ARbOMNBQJVEn2WlaxiFY

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

mshta.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	112	2212	mshta.exe	EXCEL.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2656 2472 WerFault.exe

pid	pid_target	process	target process
2656	2472	WerFault.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

2212 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2212 EXCEL.EXE
2212 EXCEL.EXE

Suspicious use of SetWindowsHookEx 18 IoCs

Processes:

EXCEL.EXE

pid	process
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE
2212	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 2212 wrote to memory of 112 2212 EXCEL.EXE mshta.exe
PID 2212 wrote to memory of 112 2212 EXCEL.EXE mshta.exe

description	pid	process	target process
PID 2212 wrote to memory of 112	2212	EXCEL.EXE	mshta.exe
PID 2212 wrote to memory of 112	2212	EXCEL.EXE	mshta.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\dridex.xlsb"
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:2212

C:\Windows\SYSTEM32\mshta.exe
mshta "C:\ProgramData\KgmsgJbgP.sct"
2⤵
- Process spawned unexpected child process
PID:112

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 456 -p 2472 -ip 2472
1⤵
PID:4960

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2472 -s 1780
1⤵
- Program crash
PID:2656

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

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Downloads

C:\ProgramData\KgmsgJbgP.sct
Filesize
10KB

MD5
7e8e379224a3243d535109808b717d70

SHA1
577e1b4a924acb4602bfd72edb12da120f255f7f

SHA256
945f8e73aaace8cd1371de20d2a06193aedaf48dc7a6cc827164fffe92f60dae

SHA512
55ed50b859fa1f0a7112a41440f661f47b6ad702c4cbd1a98f1bee0f04999992666176b65553487fbed055e6ee8c2f574ca3cb76b9030f2ce29f9345e93799b0

Download Submit
memory/112-139-0x0000000000000000-mapping.dmp

Download
memory/2212-132-0x00007FF9B2750000-0x00007FF9B2760000-memory.dmp

Filesize
64KB

Download
memory/2212-133-0x00007FF9B2750000-0x00007FF9B2760000-memory.dmp

Filesize
64KB

Download
memory/2212-134-0x00007FF9B2750000-0x00007FF9B2760000-memory.dmp

Filesize
64KB

Download
memory/2212-135-0x00007FF9B2750000-0x00007FF9B2760000-memory.dmp

Filesize
64KB

Download
memory/2212-136-0x00007FF9B2750000-0x00007FF9B2760000-memory.dmp

Filesize
64KB

Download
memory/2212-137-0x00007FF9AFE90000-0x00007FF9AFEA0000-memory.dmp

Filesize
64KB

Download
memory/2212-138-0x00007FF9AFE90000-0x00007FF9AFEA0000-memory.dmp

Filesize
64KB

Download