da21cec62d9b7cf3e162b4e6a6e8d29262280e57f423860a8052c4512304186f

Analysis

max time kernel
137s
max time network
135s
platform
windows10_x64
resource
win10v200430
submitted
13/07/2020, 19:59

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General

Target

SecuriteInfo.com.DOC.Kryptik.Q.13895.xls
Size

293KB
MD5

a402ee26ec56afffa6f638b9cfa2e646
SHA1

f4db2a82f5dad24e4a6260e463b4ce7fbb37c802
SHA256

da21cec62d9b7cf3e162b4e6a6e8d29262280e57f423860a8052c4512304186f
SHA512

a6221a2e19e1d9f95942e07410c1f3aca181d28dfb51e60f7c19f9eff3977ada2bb3e3ec892c4c2271854a3d750ffb58c8eb6f6a5f30e5af4e40c03e80a11759

Score

10^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1492	EXCEL.EXE
1492	EXCEL.EXE
1492	EXCEL.EXE
1492	EXCEL.EXE
1492	EXCEL.EXE
1492	EXCEL.EXE
1492	EXCEL.EXE
1492	EXCEL.EXE
1492	EXCEL.EXE
1492	EXCEL.EXE
1492	EXCEL.EXE
1492	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1492	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	3916	1492	rundll32.exe	67

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 3916	1492	EXCEL.EXE	72
PID 1492 wrote to memory of 3916	1492	EXCEL.EXE	72

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.13895.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\WbMFNqE\DTXZRqG\fytiOXY.dll,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3916

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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