a53db45f1d4a2f36ebc0b0e268d2073baba89ca6c1d05fe9a06ef395e8658a51

Analysis

max time kernel
154s
max time network
168s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
31-07-2022 17:52

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General

Target

ORDER SHEET & SPEC.xlsm
Size

2.7MB
MD5

7ccf88c0bbe3b29bf19d877c4596a8d4
SHA1

23f0506d857d38c3cd5354b80afc725b5f034744
SHA256

7bcd31bd41686c32663c7cabf42b18c50399e3b3b4533fc2ff002d9f2e058813
SHA512

0ec8f398d9ab943e2e38a086d87d750eccc081fb73c6357319e79fe9f69e66a5566c00ce6d297d0d5fadaa5c04220dcf4d9adea1e0c1f88f335dc1c63797dfdc

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:

cscript.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	3068	3320	cscript.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

cscript.exe

flow pid process

31 3068 cscript.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
31	3068	cscript.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 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	EXCEL.EXE

NTFS ADS 3 IoCs

Processes:

EXCEL.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{DC2BAF4A-D9F4-460D-A9A9-0D5CB786C06C}\xx:Zone.Identifier	EXCEL.EXE
File opened for modification	C:\programdata\asc.txt:script1.vbs	EXCEL.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{DC2BAF4A-D9F4-460D-A9A9-0D5CB786C06C}\q:Zone.Identifier	EXCEL.EXE

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 31 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3320 EXCEL.EXE

description	flow	ioc
HTTP User-Agent header	31	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE
3320	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 3320 wrote to memory of 3068 3320 EXCEL.EXE cscript.exe
PID 3320 wrote to memory of 3068 3320 EXCEL.EXE cscript.exe

description	pid	process	target process
PID 3320 wrote to memory of 3068	3320	EXCEL.EXE	cscript.exe
PID 3320 wrote to memory of 3068	3320	EXCEL.EXE	cscript.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\ORDER SHEET & SPEC.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3320

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" C:\programdata\asc.txt:script1.vbs
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
PID:3068

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\programdata\asc.txt:script1.vbs
Filesize
58KB

MD5
6196ce936b2131935e89615965438ed4

SHA1
5c3e5c8091139974fca038e10fc92c7f6e91a053

SHA256
2eaa9d08d7e29c99d616aaccc4728f120e1e9a14816fecab17f388665a89b6e4

SHA512
9505b721ac02dabba69a4f38258ca2b8a98c9e19bb67ba3a5b97ee0bb7a76fe168ca28979b54034249705730040df6c758ffcb35a97bdbde5e1c6c03aa7b0670

Download Submit
memory/3068-275-0x0000000000000000-mapping.dmp

Download
memory/3320-117-0x00007FFDC97C0000-0x00007FFDC97D0000-memory.dmp

Filesize
64KB

Download
memory/3320-118-0x00007FFDC97C0000-0x00007FFDC97D0000-memory.dmp

Filesize
64KB

Download
memory/3320-119-0x00007FFDC97C0000-0x00007FFDC97D0000-memory.dmp

Filesize
64KB

Download
memory/3320-120-0x00007FFDC97C0000-0x00007FFDC97D0000-memory.dmp

Filesize
64KB

Download
memory/3320-129-0x00007FFDC5EE0000-0x00007FFDC5EF0000-memory.dmp

Filesize
64KB

Download
memory/3320-130-0x00007FFDC5EE0000-0x00007FFDC5EF0000-memory.dmp

Filesize
64KB

Download