988760f89f3d5dff972bd106281d414b109f97bbf86cbaf82854f62a01e6a116

General

Target

988760f89f3d5dff972bd106281d414b109f97bbf86cbaf82854f62a01e6a116.xls
Size

252KB
MD5

f30e1af67d6b2fed16936271b412605e
SHA1

832b81bf4283198c002dee45117fe75ff47cacc4
SHA256

988760f89f3d5dff972bd106281d414b109f97bbf86cbaf82854f62a01e6a116
SHA512

ab60822978edf79519dd5faad372f893a0ce8575370c7e92f48b70bdf4ad5843a2364cb06388157556ca215b5bad2a66d137e12a606d1bcd91d35792935f1a61

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

explorer.exeexplorer.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	2832	4084	explorer.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4940	4084	explorer.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

WScript.exe

flow pid process

38 4500 WScript.exe

flow	pid	process
38	4500	WScript.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 2 IoCs

Processes:

explorer.exeexplorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4084 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE
4084	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEexplorer.exeexplorer.exe

description	pid	process	target process
PID 4084 wrote to memory of 2832	4084	EXCEL.EXE	explorer.exe
PID 4084 wrote to memory of 2832	4084	EXCEL.EXE	explorer.exe
PID 5000 wrote to memory of 4856	5000	explorer.exe	WScript.exe
PID 5000 wrote to memory of 4856	5000	explorer.exe	WScript.exe
PID 4084 wrote to memory of 4940	4084	EXCEL.EXE	explorer.exe
PID 4084 wrote to memory of 4940	4084	EXCEL.EXE	explorer.exe
PID 2288 wrote to memory of 4500	2288	explorer.exe	WScript.exe
PID 2288 wrote to memory of 4500	2288	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\988760f89f3d5dff972bd106281d414b109f97bbf86cbaf82854f62a01e6a116.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4084

C:\Windows\explorer.exe
explorer.exe C:\Users\Admin\AppData\Local\Temp\jaT6RtDI.vbs
2⤵
- Process spawned unexpected child process
PID:2832

C:\Windows\explorer.exe
explorer.exe C:\Users\Admin\AppData\Local\Temp\Q8SOT.vbs
2⤵
- Process spawned unexpected child process
PID:4940

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5000

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\jaT6RtDI.vbs"
2⤵
PID:4856

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2288

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Q8SOT.vbs"
2⤵
- Blocklisted process makes network request
PID:4500

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DBp1.txt
Filesize
3B

MD5
21438ef4b9ad4fc266b6129a2f60de29

SHA1
5eb8e2242eeb4f5432beeec8b873f1ab0a6b71fd

SHA256
13bf7b3039c63bf5a50491fa3cfd8eb4e699d1ba1436315aef9cbe5711530354

SHA512
37436ced85e5cd638973e716d6713257d692f9dd2e1975d5511ae3856a7b3b9f0d9e497315a058b516ab31d652ea9950938c77c1ad435ea8d4b49d73427d1237

Download Submit
C:\Users\Admin\AppData\Local\Temp\Q8SOT.vbs
Filesize
773B

MD5
0fdb00bb29b69e0cf9f139a649178cee

SHA1
89ee3ac481833df2e1174854082ccbb00019f9f2

SHA256
e0b993c05ea7a55c687bc5a873c6f64336473d766366f2a31104156e6105de66

SHA512
7faffb3e048d2615ee6a516ff656fa23d75b7a4cf0f36af35d7734fb18530ddc96f17c34baa860101b0b962d7ab6af8b8c8a4b7defc73354e99b1943db1cc119

Download Submit
C:\Users\Admin\AppData\Local\Temp\jaT6RtDI.vbs
Filesize
337B

MD5
4a46e5cbc144f612e1d0223594864fc1

SHA1
e8a0a5770f8b0d5d6f5ce8e4f5102089bc46bba6

SHA256
9f72eb7049708ff7cf50ccf16dd87a4b1cd8771e93a06d89cca4e53288478bde

SHA512
33020a9b29653998248fe7c1be2ab357e1f441cb36a1829cae42537088a2a0999ad4c49b18afa5e32615c8fc18084a07c3fe276652d4da2c4ec04121a50109e1

Download Submit
memory/2832-137-0x0000000000000000-mapping.dmp

Download
memory/4084-136-0x00007FFB80C60000-0x00007FFB80C70000-memory.dmp

Filesize
64KB

Download
memory/4084-135-0x00007FFB80C60000-0x00007FFB80C70000-memory.dmp

Filesize
64KB

Download
memory/4084-130-0x00007FFB82E50000-0x00007FFB82E60000-memory.dmp

Filesize
64KB

Download
memory/4084-134-0x00007FFB82E50000-0x00007FFB82E60000-memory.dmp

Filesize
64KB

Download
memory/4084-133-0x00007FFB82E50000-0x00007FFB82E60000-memory.dmp

Filesize
64KB

Download
memory/4084-131-0x00007FFB82E50000-0x00007FFB82E60000-memory.dmp

Filesize
64KB

Download
memory/4084-132-0x00007FFB82E50000-0x00007FFB82E60000-memory.dmp

Filesize
64KB

Download
memory/4500-143-0x0000000000000000-mapping.dmp

Download
memory/4856-139-0x0000000000000000-mapping.dmp

Download
memory/4940-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads