4bcbb8983fe7425976c5a1789deff73fb138e80981f5ebfef1f835bcc6757760

Resubmissions

14/04/2025, 07:51

250414-jp1kfssjz9 10

14/04/2025, 07:46

250414-jl9nyssjt9 10

08/04/2025, 15:58

250408-tevasswl18 10

08/04/2025, 14:19

250408-rm2nqsvqw2 10

Analysis

max time kernel
8s
max time network
10s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2025, 14:19

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Reason

Machine shutdown

Report Analysis Logs

General

Target

f640f01e808f31a32d455a827fd646d5faf2a452b47833597990ffe9a6597ac5.exe
Size

373KB
MD5

1390a05960fe6acd3fd25279513346f0
SHA1

c65393f72d9e00c770ba3ef393701bc87e13b938
SHA256

f640f01e808f31a32d455a827fd646d5faf2a452b47833597990ffe9a6597ac5
SHA512

90c3d8d61687e3bccd9e6e15f6c5f3db6770471878b452f9a11874ea70391eac5639424fd3f4a03de7729d642355fb2e6e0c4e65e3e4765cb76111a7b2de5bcc
SSDEEP

6144:tyMIULPy/x3xUArN62f7GU7njrbma/3LaQURrM2TuP6zJcW:XDy/xhUAtf7tjrbma7OJxuSzp

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4944	grotesque.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kokobaka = "C:\\Users\\Admin\\AppData\\Roaming\\future\\grotesque.exe"	f640f01e808f31a32d455a827fd646d5faf2a452b47833597990ffe9a6597ac5.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f640f01e808f31a32d455a827fd646d5faf2a452b47833597990ffe9a6597ac5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	grotesque.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5868 wrote to memory of 4944	5868	cmd.exe	97
PID 5868 wrote to memory of 4944	5868	cmd.exe	97
PID 5868 wrote to memory of 4944	5868	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\f640f01e808f31a32d455a827fd646d5faf2a452b47833597990ffe9a6597ac5.exe
"C:\Users\Admin\AppData\Local\Temp\f640f01e808f31a32d455a827fd646d5faf2a452b47833597990ffe9a6597ac5.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:684
- C:\Users\Admin\AppData\Roaming\future\grotesque.exe
  "C:\Users\Admin\AppData\Roaming\future\grotesque.exe"
  2⤵
  PID:5024

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\future\grotesque.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:5868
- C:\Users\Admin\AppData\Roaming\future\grotesque.exe
  C:\Users\Admin\AppData\Roaming\future\grotesque.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4944
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    3⤵
    PID:1324

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\future\grotesque.exe

Filesize
374KB

MD5
baa7fee4c28bb967b6091d9f7bf3b0e5

SHA1
6b469dadf17a494b05df1cb950bd1759b1251c8c

SHA256
343d5fd2be5f006cde5d194986cfcc1c7cfbe81e08c773152d5ce25b0b966eee

SHA512
bf6312d8c61b5f977b944e6fffbba505e7b8544cfe7edc6d1f9cedde5eaf060d6521f3fe8e7b37f093293798c9c8bc9ab7210d125cce356dc2f6a040496e4af7

Download Submit
memory/684-14-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/684-1-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/684-2-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/684-0-0x0000000074782000-0x0000000074783000-memory.dmp

Filesize
4KB

Download
memory/684-13-0x0000000074782000-0x0000000074783000-memory.dmp

Filesize
4KB

Download
memory/1324-22-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1324-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1324-18-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4944-9-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/4944-10-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/4944-8-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/5024-16-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/5024-17-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download
memory/5024-15-0x0000000074780000-0x0000000074D31000-memory.dmp

Filesize
5.7MB

Download

Resubmissions

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads