ca9c9a78c5dc10b798c6a71b6ccee06a9c83c3d9d44bd540b31a2b356b51932d

General

Target

ca9c9a78c5dc10b798c6a71b6ccee06a9c83c3d9d44bd540b31a2b356b51932d.xls
Size

95KB
MD5

7b7a940d709c0a326c17f36ec1cddd72
SHA1

51e998c83b9a86227aa136ba17ad161a33dc8988
SHA256

ca9c9a78c5dc10b798c6a71b6ccee06a9c83c3d9d44bd540b31a2b356b51932d
SHA512

3c1906460aa8f4e6a3842d03572a976f209e10f923cef7f65551af61b4953930cbe59885060c804b4faa3b96ea62bbc0a78ab719d917d573104c3c1836cccfc7
SSDEEP

1536:rqqqeCLnm/SXq5bpDL2jcc0lbxOvTgZRg88ScJtXwU1NZ:z2jcc0lbxOrbjhJtXw8NZ

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	1968	760	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2204	760	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2784	760	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

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\3D885E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

760 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\3D885E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
760	EXCEL.EXE
760	EXCEL.EXE
760	EXCEL.EXE
760	EXCEL.EXE
760	EXCEL.EXE
760	EXCEL.EXE
760	EXCEL.EXE
760	EXCEL.EXE
760	EXCEL.EXE
760	EXCEL.EXE
760	EXCEL.EXE
760	EXCEL.EXE
760	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 760 wrote to memory of 1968	760	EXCEL.EXE	cmd.exe
PID 760 wrote to memory of 1968	760	EXCEL.EXE	cmd.exe
PID 760 wrote to memory of 2204	760	EXCEL.EXE	cmd.exe
PID 760 wrote to memory of 2204	760	EXCEL.EXE	cmd.exe
PID 760 wrote to memory of 2784	760	EXCEL.EXE	cmd.exe
PID 760 wrote to memory of 2784	760	EXCEL.EXE	cmd.exe
PID 1968 wrote to memory of 1552	1968	cmd.exe	attrib.exe
PID 1968 wrote to memory of 1552	1968	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1552 attrib.exe

pid	process
1552	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\ca9c9a78c5dc10b798c6a71b6ccee06a9c83c3d9d44bd540b31a2b356b51932d.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:760

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:1968

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1552

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:2204

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:2784

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

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Downloads

memory/760-132-0x00007FF9D4C70000-0x00007FF9D4C80000-memory.dmp

Filesize
64KB

Download
memory/760-133-0x00007FF9D4C70000-0x00007FF9D4C80000-memory.dmp

Filesize
64KB

Download
memory/760-134-0x00007FF9D4C70000-0x00007FF9D4C80000-memory.dmp

Filesize
64KB

Download
memory/760-135-0x00007FF9D4C70000-0x00007FF9D4C80000-memory.dmp

Filesize
64KB

Download
memory/760-136-0x00007FF9D4C70000-0x00007FF9D4C80000-memory.dmp

Filesize
64KB

Download
memory/760-137-0x00007FF9D24F0000-0x00007FF9D2500000-memory.dmp

Filesize
64KB

Download
memory/760-138-0x00007FF9D24F0000-0x00007FF9D2500000-memory.dmp

Filesize
64KB

Download
memory/1552-142-0x0000000000000000-mapping.dmp

Download
memory/1968-139-0x0000000000000000-mapping.dmp

Download
memory/2204-140-0x0000000000000000-mapping.dmp

Download
memory/2784-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads