99b317409f9d33764d37869f6bda7dcdbc61fbd23cf1ab7d651361640cefff31

General

Target

a02d20d2acdc480fa790484d087b6934.xls
Size

132KB
MD5

aa0d74ba81ebd817c9164381d8555a9d
SHA1

399d8ac484263d02b3e57b676ccc59a9c25bb222
SHA256

99b317409f9d33764d37869f6bda7dcdbc61fbd23cf1ab7d651361640cefff31
SHA512

6fd67a54fdf0c45457f69ce2d075eb53e89c990b47faecbd85498b81109634e68b25be91ac7a3d88137f3f188cf67437f4c68ca1ddf3b7fc59709b7c643d7318
SSDEEP

3072:q8h0rcYOn6nPw8w/n9KzqKAC8F03Ohg7axnCpbzFBmkMJqOZllm2GIOZSzwI7h3:/0rcYOn6nPw8w/n9KzqKAC8F03Ohg7aN

Score

1^/10

Malware Config

Signatures

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

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

932 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

932 EXCEL.EXE
932 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
932	EXCEL.EXE
932	EXCEL.EXE
932	EXCEL.EXE
932	EXCEL.EXE
932	EXCEL.EXE
932	EXCEL.EXE
932	EXCEL.EXE
932	EXCEL.EXE
932	EXCEL.EXE
932	EXCEL.EXE
932	EXCEL.EXE
932	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description pid process target process

PID 932 wrote to memory of 1540 932 EXCEL.EXE splwow64.exe
PID 932 wrote to memory of 1540 932 EXCEL.EXE splwow64.exe

description	pid	process	target process
PID 932 wrote to memory of 1540	932	EXCEL.EXE	splwow64.exe
PID 932 wrote to memory of 1540	932	EXCEL.EXE	splwow64.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\a02d20d2acdc480fa790484d087b6934.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:932

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1540

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4332

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/932-0-0x00007FF9C2A30000-0x00007FF9C2A40000-memory.dmp

Filesize
64KB

Download
memory/932-1-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-3-0x00007FF9C2A30000-0x00007FF9C2A40000-memory.dmp

Filesize
64KB

Download
memory/932-2-0x00007FF9C2A30000-0x00007FF9C2A40000-memory.dmp

Filesize
64KB

Download
memory/932-5-0x00007FF9C2A30000-0x00007FF9C2A40000-memory.dmp

Filesize
64KB

Download
memory/932-4-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-7-0x00007FF9C2A30000-0x00007FF9C2A40000-memory.dmp

Filesize
64KB

Download
memory/932-6-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-8-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-9-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-10-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-11-0x00007FF9C0620000-0x00007FF9C0630000-memory.dmp

Filesize
64KB

Download
memory/932-12-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-13-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-14-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-15-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-16-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-17-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-19-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-18-0x00007FF9C0620000-0x00007FF9C0630000-memory.dmp

Filesize
64KB

Download
memory/932-26-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-27-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-28-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-45-0x00007FF9C2A30000-0x00007FF9C2A40000-memory.dmp

Filesize
64KB

Download
memory/932-46-0x00007FF9C2A30000-0x00007FF9C2A40000-memory.dmp

Filesize
64KB

Download
memory/932-47-0x00007FF9C2A30000-0x00007FF9C2A40000-memory.dmp

Filesize
64KB

Download
memory/932-49-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-48-0x00007FF9C2A30000-0x00007FF9C2A40000-memory.dmp

Filesize
64KB

Download
memory/932-50-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-51-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download
memory/932-52-0x00007FFA029B0000-0x00007FFA02BA5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads