b8a21d119eb9180441ad0dd33bb760e3ca924a58ef78e7ec39fd24f2362e72f0

General

Target

order_Z0012112202927225.xlsb
Size

306KB
MD5

7e00f1f0fabe5bf5404589000e61a9af
SHA1

9429673fccc8b550a21ea9582c958f8772497b64
SHA256

39d99432698540f5ea6b8acf77b2323e2cde143638694bbd726e161924885059
SHA512

10faa2e7df209ae1f42be832b56af639769657068165b908e3d13a79c1df460c860b6a3fdfb4c0bb58e36f29104f21a3d218d568f88a1c895601e8a0319a6589

Score

10^/10

upx

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3564	4044	cmd.exe	68

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000400000001ab5f-183.dat	acprotect
behavioral2/files/0x000400000001ab5f-185.dat	acprotect

Blocklisted process makes network request 1 IoCs

flow	pid	Process
30	3928	rundll32.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000400000001ab5f-183.dat	upx
behavioral2/files/0x000400000001ab5f-185.dat	upx

Loads dropped DLL 1 IoCs

pid	Process
3928	rundll32.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

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

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

pid	Process
4044	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4044	EXCEL.EXE
4044	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE
4044	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 3564	4044	EXCEL.EXE	80
PID 4044 wrote to memory of 3564	4044	EXCEL.EXE	80
PID 3564 wrote to memory of 1016	3564	cmd.exe	82
PID 3564 wrote to memory of 1016	3564	cmd.exe	82
PID 3564 wrote to memory of 3940	3564	cmd.exe	83
PID 3564 wrote to memory of 3940	3564	cmd.exe	83
PID 3940 wrote to memory of 3928	3940	rundll32.exe	84
PID 3940 wrote to memory of 3928	3940	rundll32.exe	84
PID 3940 wrote to memory of 3928	3940	rundll32.exe	84

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\order_Z0012112202927225.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c certutil -decode %PUBLIC%\28222.dr1 %PUBLIC%\28222.dr3 && rundll32 %PUBLIC%\28222.dr3,DF1
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3564
- - C:\Windows\system32\certutil.exe
    certutil -decode C:\Users\Public\28222.dr1 C:\Users\Public\28222.dr3
    3⤵
    PID:1016
- - C:\Windows\system32\rundll32.exe
    rundll32 C:\Users\Public\28222.dr3,DF1
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3940
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32 C:\Users\Public\28222.dr3,DF1
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      PID:3928

Network

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/4044-117-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/4044-123-0x00007FF82E660000-0x00007FF830555000-memory.dmp

Filesize
31.0MB

Download
memory/4044-122-0x00007FF830620000-0x00007FF83170E000-memory.dmp

Filesize
16.9MB

Download
memory/4044-119-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/4044-118-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/4044-114-0x00007FF648360000-0x00007FF64B916000-memory.dmp

Filesize
53.7MB

Download
memory/4044-116-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/4044-115-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads