c7d7d034ef4ad845ffa4544716fe1fad999b438b4705658c14555b765045642a

General

Target

document-1443024301.xls
Size

85KB
MD5

5cdc79a8aeebd4c087cbd2980afc0ccd
SHA1

2ac1663aa15e0a91a5658f16b8d4647b243f54f9
SHA256

c7d7d034ef4ad845ffa4544716fe1fad999b438b4705658c14555b765045642a
SHA512

a76fe01b08d8e441326e4d915ba4b4e1fe3b2f7af7bbff23f1e9485caf4017a63e9ed2c9c3e64a6fd3120e5a5bf840bb311a8e513562bc0d9119db07c9faf9cb

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	992	4692	rundll32.exe	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 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 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 behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4692 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE
4692	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 4692 wrote to memory of 992 4692 EXCEL.EXE rundll32.exe
PID 4692 wrote to memory of 992 4692 EXCEL.EXE rundll32.exe

description	pid	process	target process
PID 4692 wrote to memory of 992	4692	EXCEL.EXE	rundll32.exe
PID 4692 wrote to memory of 992	4692	EXCEL.EXE	rundll32.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\document-1443024301.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4692

C:\Windows\SYSTEM32\rundll32.exe
rundll32 ..\IEUDLK.CJF,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:992

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/992-7-0x0000000000000000-mapping.dmp

Download
memory/4692-2-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4692-3-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4692-4-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4692-5-0x00007FFCF1700000-0x00007FFCF1D37000-memory.dmp

Filesize
6.2MB

Download
memory/4692-6-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads