46c072dfde46c0c18092c36f55c05e3a6059eb7e0ed8ee20f814589a7c34aad2

Analysis

max time kernel
168s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 19:21

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General

Target

46c072dfde46c0c18092c36f55c05e3a6059eb7e0ed8ee20f814589a7c34aad2.xls
Size

36KB
MD5

b69c73c1931dc1e26cb0dd2ff17cf220
SHA1

3a28260960a7b9cebf5a9837124dda46f231ec46
SHA256

46c072dfde46c0c18092c36f55c05e3a6059eb7e0ed8ee20f814589a7c34aad2
SHA512

687f03db06b7681219ce207deb2262656a7351d863f3347f372202186e0d2d26bda57b071bd4522335cedc44eff67b933fb99786891c1e860cd243b67c20ea21
SSDEEP

768:9PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ+b50RwHQgcwrpYjJVG:1ok3hbdlylKsgqopeJBWhZFGkE+cL2NJ

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:

explorer.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	1828	1076	explorer.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

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1076 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	explorer.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE
1076	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 1076 wrote to memory of 1828	1076	EXCEL.EXE	explorer.exe
PID 1076 wrote to memory of 1828	1076	EXCEL.EXE	explorer.exe
PID 4500 wrote to memory of 316	4500	explorer.exe	WScript.exe
PID 4500 wrote to memory of 316	4500	explorer.exe	WScript.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\46c072dfde46c0c18092c36f55c05e3a6059eb7e0ed8ee20f814589a7c34aad2.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\Xig7U.vbs
2⤵
- Process spawned unexpected child process
PID:1828

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4500

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\Xig7U.vbs"
2⤵
PID:316

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:\Users\Public\Documents\Xig7U.vbs
Filesize
603B

MD5
ea89296232596e447e9fd3105d903626

SHA1
fd18d8f600f641ad4b5e99e246fbc652fb461407

SHA256
54ce9223faaba80cfc93a27b67f49e136c69e589f67c919b70e28e372a200171

SHA512
c2a1ca59eb56fcd0b0bbdf36b4b2360ff98703b93dbaed296df8fb09f276ccca37cc77e7781bb6510808c2277874d223b66665ed07b8905617dcd56ac12b4c26

Download Submit
memory/316-141-0x0000000000000000-mapping.dmp

Download
memory/1076-132-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/1076-133-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/1076-134-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/1076-135-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/1076-136-0x00007FFDFA5B0000-0x00007FFDFA5C0000-memory.dmp

Filesize
64KB

Download
memory/1076-137-0x00007FFDF8030000-0x00007FFDF8040000-memory.dmp

Filesize
64KB

Download
memory/1076-138-0x00007FFDF8030000-0x00007FFDF8040000-memory.dmp

Filesize
64KB

Download
memory/1828-139-0x0000000000000000-mapping.dmp

Download