0fba1f02cd2872efc4cdc6806bc49d786005f590971ee31f97ce71c1ccf87fe2

Resubmissions

10-04-2022 07:53

220410-jq25nsgaen 10

10-04-2020 08:18

200410-tmzpvazbjn 10

Analysis

max time kernel
139s
max time network
150s
platform
windows10_x64
resource
win10v200217
submitted
10-04-2020 08:18

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General

Target

William Smith Resume.xls
Size

163KB
MD5

0a054818926d97f4100774255a908dba
SHA1

de572eddd30b34d1e328c8d5fb986cc1e04c82e8
SHA256

0fba1f02cd2872efc4cdc6806bc49d786005f590971ee31f97ce71c1ccf87fe2
SHA512

21659d1132eef51aaf43f7c3dffde06e7018e7d9847c7a7106eb9aee2747f9c6a967a80ab052db17903b0ac9cb63ee3c8371725f4206decff13dbbe996bcf3f1

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:

rundll32.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	3216	3968	rundll32.exe	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3968 wrote to memory of 3216	3968	EXCEL.EXE	rundll32.exe
PID 3968 wrote to memory of 3216	3968	EXCEL.EXE	rundll32.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

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 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

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE
3968	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3968 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\William Smith Resume.xls"
1⤵
- Suspicious use of WriteProcessMemory
- Enumerates system info in registry
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
PID:3968
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" C:\ProgramData\ieTneVi.dll,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:3216

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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