2609fc43379c7572ab4b9e15ca5b8408c42b071caceb6e45384b85b30df60979

General

Target

~ar6759.xls
Size

107KB
MD5

ae89cf6ba9007c82060c00e004ca8a1e
SHA1

c25329af0c5edd0260744a89f25c36ae336c5792
SHA256

2609fc43379c7572ab4b9e15ca5b8408c42b071caceb6e45384b85b30df60979
SHA512

5c4fcfeaaca3dc6195c913cce1aa8ee9c394cfd11e4ccab373bd7b83c6bb70f84f78af10bf01525810a382baf118424b2404f7b5ef7717fb7b3901f19cd3e8ab
SSDEEP

3072:8i9QUDGYwk/u1Q5y21afgjs8KA6bLhmvjKESzz6u/lmpYj:8i9QUDGYwk/u1Q5y21afgjs8KA6bLhmq

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	2000	3464	rundll32.exe	EXCEL.EXE

Blocklisted process makes network request 4 IoCs

Processes:

rundll32.exe

flow pid process

30 2000 rundll32.exe
33 2000 rundll32.exe
65 2000 rundll32.exe
67 2000 rundll32.exe

flow	pid	process
30	2000	rundll32.exe
33	2000	rundll32.exe
65	2000	rundll32.exe
67	2000	rundll32.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

3464 EXCEL.EXE

Suspicious use of SetWindowsHookEx 27 IoCs

Processes:

EXCEL.EXE

pid	process
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE
3464	EXCEL.EXE

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	EXCEL.EXE	rundll32.exe
PID 3464 wrote to memory of 2000	3464	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\~ar6759.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3464

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
PID:2000

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {c82192ee-6cb5-4bc0-9ef0-fb818773790a} -Embedding
1⤵
PID:3716

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3904

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

Replay Monitor

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Downloads

memory/2000-139-0x0000000002E80000-0x0000000003280000-memory.dmp

Filesize
4.0MB

Download
memory/2000-140-0x0000000002E80000-0x0000000003280000-memory.dmp

Filesize
4.0MB

Download
memory/3464-132-0x00007FF83FCF0000-0x00007FF83FD00000-memory.dmp

Filesize
64KB

Download
memory/3464-133-0x00007FF83FCF0000-0x00007FF83FD00000-memory.dmp

Filesize
64KB

Download
memory/3464-134-0x00007FF83FCF0000-0x00007FF83FD00000-memory.dmp

Filesize
64KB

Download
memory/3464-135-0x00007FF83FCF0000-0x00007FF83FD00000-memory.dmp

Filesize
64KB

Download
memory/3464-136-0x00007FF83FCF0000-0x00007FF83FD00000-memory.dmp

Filesize
64KB

Download
memory/3464-137-0x00007FF83D570000-0x00007FF83D580000-memory.dmp

Filesize
64KB

Download
memory/3464-138-0x00007FF83D570000-0x00007FF83D580000-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