dccb00fb16525d84c54c4365c9db769d0eff6d384c48d8f7763b18d87d89c760

General

Target

e8230e9f357de09cebe21a2374029076.xls
Size

100KB
MD5

e8230e9f357de09cebe21a2374029076
SHA1

ab51b825c0a2e7bc5f399eeb25968b4408313210
SHA256

dccb00fb16525d84c54c4365c9db769d0eff6d384c48d8f7763b18d87d89c760
SHA512

15d24d3bca2d60cc9eb8e23a860a49870ddb1826b94f6348bd135ad760de3b265fbfde92eaf96da47fa4dc17d40705c8da3479860c1e9785d892b43503db5d77
SSDEEP

1536:W4HPa4Rz/Sbj13z/vHfQseqZyC239kWk2jcc0lbxOrqop/WwF1blKDK3NAoKacyT:wyC23U2jcc0lbxOGmBKDoAoKxyT

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.execmd.execmd.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	4308	5084	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4940	5084	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	368	5084	cmd.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

5084 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
5084	EXCEL.EXE
5084	EXCEL.EXE
5084	EXCEL.EXE
5084	EXCEL.EXE
5084	EXCEL.EXE
5084	EXCEL.EXE
5084	EXCEL.EXE
5084	EXCEL.EXE
5084	EXCEL.EXE
5084	EXCEL.EXE
5084	EXCEL.EXE
5084	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 5084 wrote to memory of 4308	5084	EXCEL.EXE	cmd.exe
PID 5084 wrote to memory of 4308	5084	EXCEL.EXE	cmd.exe
PID 5084 wrote to memory of 4940	5084	EXCEL.EXE	cmd.exe
PID 5084 wrote to memory of 4940	5084	EXCEL.EXE	cmd.exe
PID 5084 wrote to memory of 368	5084	EXCEL.EXE	cmd.exe
PID 5084 wrote to memory of 368	5084	EXCEL.EXE	cmd.exe
PID 4308 wrote to memory of 3512	4308	cmd.exe	attrib.exe
PID 4308 wrote to memory of 3512	4308	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3512 attrib.exe

pid	process
3512	attrib.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\e8230e9f357de09cebe21a2374029076.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5084

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:4308

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3512

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
PID:4940

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
2⤵
- Process spawned unexpected child process
PID:368

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

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/368-141-0x0000000000000000-mapping.dmp

Download
memory/3512-142-0x0000000000000000-mapping.dmp

Download
memory/4308-139-0x0000000000000000-mapping.dmp

Download
memory/4940-140-0x0000000000000000-mapping.dmp

Download
memory/5084-136-0x00007FFBFB730000-0x00007FFBFB740000-memory.dmp

Filesize
64KB

Download
memory/5084-137-0x00007FFBF8EE0000-0x00007FFBF8EF0000-memory.dmp

Filesize
64KB

Download
memory/5084-138-0x00007FFBF8EE0000-0x00007FFBF8EF0000-memory.dmp

Filesize
64KB

Download
memory/5084-132-0x00007FFBFB730000-0x00007FFBFB740000-memory.dmp

Filesize
64KB

Download
memory/5084-135-0x00007FFBFB730000-0x00007FFBFB740000-memory.dmp

Filesize
64KB

Download
memory/5084-134-0x00007FFBFB730000-0x00007FFBFB740000-memory.dmp

Filesize
64KB

Download
memory/5084-133-0x00007FFBFB730000-0x00007FFBFB740000-memory.dmp

Filesize
64KB

Download
memory/5084-143-0x00000233E17DD000-0x00000233E17DF000-memory.dmp

Filesize
8KB

Download
memory/5084-144-0x00000233E17DD000-0x00000233E17DF000-memory.dmp

Filesize
8KB

Download
memory/5084-146-0x00007FFBFB730000-0x00007FFBFB740000-memory.dmp

Filesize
64KB

Download
memory/5084-147-0x00007FFBFB730000-0x00007FFBFB740000-memory.dmp

Filesize
64KB

Download
memory/5084-148-0x00007FFBFB730000-0x00007FFBFB740000-memory.dmp

Filesize
64KB

Download
memory/5084-149-0x00007FFBFB730000-0x00007FFBFB740000-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