Analysis
-
max time kernel
119s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2024 11:30
Static task
static1
Behavioral task
behavioral1
Sample
be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfcN.exe
Resource
win7-20240708-en
General
-
Target
be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfcN.exe
-
Size
1.4MB
-
MD5
9b9a35fe4818800c01e7b8b62f5b2a00
-
SHA1
d7280eb795bfe05f454d6ced359d8dacc0f314eb
-
SHA256
be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfc
-
SHA512
e79328d549cb3b65c832252a5e34dc7377310915c715b286aae1cbfa6e354190e8b674646fc2d1ed53035f625f42dba9c7a248387e7ad5967f8512271d4f7e80
-
SSDEEP
24576:wBkVdlYA/y7jql9Rx53iaauEGVnWOQll0BPVjAuZZKOQmiVAOIM1:QsvojqHJzEqnWOqlAvQm6AOd1
Malware Config
Signatures
-
Detects CryptBot payload 1 IoCs
CryptBot is a C++ stealer distributed widely in bundle with other software.
resource yara_rule behavioral2/memory/972-9-0x0000000069CC0000-0x000000006A377000-memory.dmp family_cryptbot_v3 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfcN.exe -
Executes dropped EXE 1 IoCs
pid Process 972 VC_redist.x86.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfcN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VC_redist.x86.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4804 wrote to memory of 972 4804 be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfcN.exe 86 PID 4804 wrote to memory of 972 4804 be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfcN.exe 86 PID 4804 wrote to memory of 972 4804 be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfcN.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfcN.exe"C:\Users\Admin\AppData\Local\Temp\be8f06d3b17cc7e33892df280b57bd1dc7bf3e6bdc4e34f5bdfcc5b2b8f2bcfcN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:972
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
7.2MB
MD552cca4535026d44d04230373590f57fa
SHA110c8b3e51a71d8adca731b985c34163a320b32c4
SHA256ac35fc427952d4a283f69a51c9a166e61bc72072177f6aabbee5a62fe9ece2a0
SHA51254233882c2a8e7ed26d649527739ff28be185e8b0f62e66addef28a1638a0ced3614cb2d86a7691bf32f985541cd8674644b128e135f6bf7d5258a55c1336c41