bf17b39b8521bc9a6d5d6b1acfccd26011ca3a297f2b67b40252b0b8a67a9cfa

Analysis

max time kernel
37s
max time network
127s
platform
windows10_x64
resource
win10
submitted
15/07/2020, 21:37

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General

Target
SecuriteInfo.com.Exploit.Siggen2.7873.12390.6159.xls
Size 297KB
Sample200715-4he7jbv992
SHA256 bf17b39b8521bc9a6d5d6b1acfccd26011ca3a297f2b67b40252b0b8a67a9cfa
MD5 b6bb6b892b2bb48d49f91729520627e9
SHA1 2fa2da723a985dd9c825d043092da007c5cedde8
SHA512 52fb87153d9bcab3176054dacc2fce68995bc7e26504fcc14b9c7886e357e407fa7cfb75d3293f0cc65b17a218944a9397f25f27dc6a9ef24317b6a83b3bbef7
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3832	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 2976	3832	EXCEL.EXE	71
PID 3832 wrote to memory of 2976	3832	EXCEL.EXE	71
PID 3832 wrote to memory of 2976	3832	EXCEL.EXE	71

Executes dropped EXE 1 IoCs

pid	Process
2976	xshCsjw.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

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

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

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.EXE
3832	EXCEL.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\SecuriteInfo.com.Exploit.Siggen2.7873.12390.6159.xls"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Enumerates system info in registry
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
PID:3832
- C:\IqpdPqN\ZnVmYdD\xshCsjw.exe
  "C:\IqpdPqN\ZnVmYdD\xshCsjw.exe"
  2⤵
  - Executes dropped EXE
  PID:2976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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