Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-01-2025 22:41
Static task
static1
Behavioral task
behavioral1
Sample
7649ff6f49b4023cfa711ce129b2496ed3181698fa250a090b6f5020f2f1b3c1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7649ff6f49b4023cfa711ce129b2496ed3181698fa250a090b6f5020f2f1b3c1.exe
Resource
win10v2004-20241007-en
General
-
Target
7649ff6f49b4023cfa711ce129b2496ed3181698fa250a090b6f5020f2f1b3c1.exe
-
Size
2.6MB
-
MD5
f9cbc9565100a378067a6be83c7529d8
-
SHA1
b4134e7c3649505c2b632a1adb3e88dfa64a81c7
-
SHA256
7649ff6f49b4023cfa711ce129b2496ed3181698fa250a090b6f5020f2f1b3c1
-
SHA512
a09b3d0f04c5fa22fb38b25371fd6313c19cbf26a92473f9fc9e77371130ad304747e7bb1fd5f7d84240a3af87f245deac71bd00578fe7e69dc830ad02e9ebe6
-
SSDEEP
49152:ZsvmZzni4h3UIypuI3feG9cusZDDQKj2O5FUubdwWhRwta0q+z/mKQnCSHFLExiM:Zsum4BUIyAIPjcPVaQUufhRmaVK/RlmI
Malware Config
Extracted
cryptbot
Signatures
-
Cryptbot family
-
Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF VC_redist.x86.exe -
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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation 7649ff6f49b4023cfa711ce129b2496ed3181698fa250a090b6f5020f2f1b3c1.exe -
Executes dropped EXE 1 IoCs
pid Process 4200 VC_redist.x86.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Embeds OpenSSL 1 IoCs
Embeds OpenSSL, may be used to circumvent TLS interception.
resource yara_rule behavioral2/files/0x000b000000023ba7-4.dat embeds_openssl -
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 7649ff6f49b4023cfa711ce129b2496ed3181698fa250a090b6f5020f2f1b3c1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VC_redist.x86.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4200 VC_redist.x86.exe 4200 VC_redist.x86.exe 4200 VC_redist.x86.exe 4200 VC_redist.x86.exe 4200 VC_redist.x86.exe 4200 VC_redist.x86.exe 4200 VC_redist.x86.exe 4200 VC_redist.x86.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4100 wrote to memory of 4200 4100 7649ff6f49b4023cfa711ce129b2496ed3181698fa250a090b6f5020f2f1b3c1.exe 82 PID 4100 wrote to memory of 4200 4100 7649ff6f49b4023cfa711ce129b2496ed3181698fa250a090b6f5020f2f1b3c1.exe 82 PID 4100 wrote to memory of 4200 4100 7649ff6f49b4023cfa711ce129b2496ed3181698fa250a090b6f5020f2f1b3c1.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\7649ff6f49b4023cfa711ce129b2496ed3181698fa250a090b6f5020f2f1b3c1.exe"C:\Users\Admin\AppData\Local\Temp\7649ff6f49b4023cfa711ce129b2496ed3181698fa250a090b6f5020f2f1b3c1.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4100 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"2⤵
- Enumerates VirtualBox registry keys
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4200
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
7.1MB
MD5a69021a8517e65237d478d367a448058
SHA157ce5806bc34b196285bc47d423b7b479d194a42
SHA256146f111e03776787d4dfb2478fd08487541edcaec52e2148e8461d67a3494254
SHA5122b9d5359144deeefe596fb7a7c64e2c06f0157d2a9d0ffd56eb10e24f4e17f67d034b17727ce08c2379604db0af46ccfc1f5bae5e78cd5ed8acfb15561e13b86