37bae39cdd152ba0ad9c8661f7fa2740fd23c5d4f4666a560d11a0100da100e7

Analysis

max time kernel
139s
max time network
136s
platform
windows10_x64
resource
win10
submitted
13-07-2020 20:00

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General

Target

SecuriteInfo.com.DOC.Kryptik.Q.6586.xls
Size

300KB
MD5

ee4e4354a83b4f83ce02d43d3d62f605
SHA1

91c416665c0d3265ce241e745a146f5c2ea8b7ba
SHA256

37bae39cdd152ba0ad9c8661f7fa2740fd23c5d4f4666a560d11a0100da100e7
SHA512

8630fe21d22767606897aa501e9e1368178f63a0ccb566b2707b1d864dc1083de4d24e398291b99b00884559b8fcaa24f1b85b16709302f23dac40aadcb864e0

Score

10^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE
3104	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3104	EXCEL.EXE

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2892	3104	rundll32.exe	66

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 2892	3104	EXCEL.EXE	71
PID 3104 wrote to memory of 2892	3104	EXCEL.EXE	71

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.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

Enumerates connected drives 3 TTPs

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

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.DOC.Kryptik.Q.6586.xls"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
PID:3104
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\WbMFNqE\DTXZRqG\fytiOXY.dll,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:2892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

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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