Analysis
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max time kernel
141s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
31-01-2025 20:59
Static task
static1
Behavioral task
behavioral1
Sample
182de50dea4c507874652a9a7b50157d0ae9f4d682e96b1aebc3d9e14d42c243.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
182de50dea4c507874652a9a7b50157d0ae9f4d682e96b1aebc3d9e14d42c243.exe
Resource
win10v2004-20250129-en
General
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Target
182de50dea4c507874652a9a7b50157d0ae9f4d682e96b1aebc3d9e14d42c243.exe
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Size
2.6MB
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MD5
aa545b008ef8305bb3e58cf41510c5ae
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SHA1
59cf3a193e2c4363667fede9908e89796dd08210
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SHA256
182de50dea4c507874652a9a7b50157d0ae9f4d682e96b1aebc3d9e14d42c243
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SHA512
a468daa36ffa8d6ad0871fb2153baa1e73dd2ec6f07fd205e10628c3d148bf1b6a3e972970978f11be29f03b214985e4fd8225d4ab135e0604c979e2b6143ec6
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SSDEEP
49152:Zsv8ko0OZzMMJVYo+EEY4A5u+Jt4ccnUSXY4NT/1qomWyNVA7eaoN14:ZsUkX6rJVf+y4A5l4LUSR9qomxA7eaoI
Malware Config
Extracted
cryptbot
Signatures
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Cryptbot family
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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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation 182de50dea4c507874652a9a7b50157d0ae9f4d682e96b1aebc3d9e14d42c243.exe -
Executes dropped EXE 1 IoCs
pid Process 3128 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.
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Embeds OpenSSL 1 IoCs
Embeds OpenSSL, may be used to circumvent TLS interception.
resource yara_rule behavioral2/files/0x000c000000023b68-4.dat embeds_openssl -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 182de50dea4c507874652a9a7b50157d0ae9f4d682e96b1aebc3d9e14d42c243.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VC_redist.x86.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3128 VC_redist.x86.exe 3128 VC_redist.x86.exe 3128 VC_redist.x86.exe 3128 VC_redist.x86.exe 3128 VC_redist.x86.exe 3128 VC_redist.x86.exe 3128 VC_redist.x86.exe 3128 VC_redist.x86.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4916 wrote to memory of 3128 4916 182de50dea4c507874652a9a7b50157d0ae9f4d682e96b1aebc3d9e14d42c243.exe 86 PID 4916 wrote to memory of 3128 4916 182de50dea4c507874652a9a7b50157d0ae9f4d682e96b1aebc3d9e14d42c243.exe 86 PID 4916 wrote to memory of 3128 4916 182de50dea4c507874652a9a7b50157d0ae9f4d682e96b1aebc3d9e14d42c243.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\182de50dea4c507874652a9a7b50157d0ae9f4d682e96b1aebc3d9e14d42c243.exe"C:\Users\Admin\AppData\Local\Temp\182de50dea4c507874652a9a7b50157d0ae9f4d682e96b1aebc3d9e14d42c243.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4916 -
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:3128
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
6.8MB
MD5fbfb9312d141e6fd7150aacfa0c97aea
SHA1e90711de017229ece005bed1bbf83d269170da9e
SHA256f48bae1967d341dd1991b743ebffb544ef019e999786bb02abbee08512475d1a
SHA51286ec6a2433a26ae534896552488041ad33828dd700c42342d9a3b5f7ca1eafa45b85a5d9e6de9bf4ca4463fd2979ec380fd7d58d085fa3e38e2a656a74d6a12e