Resubmissions
19/06/2024, 16:13
240619-tpb7zatbkh819/06/2024, 16:12
240619-tnrw2axhjk419/06/2024, 16:11
240619-tm7absxgrk719/06/2024, 16:03
240619-thgh4stane919/06/2024, 16:01
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240619-tc2l4axgjj819/06/2024, 15:53
240619-tb5blaxfqr1019/06/2024, 15:52
240619-tbc74sshqc7General
- Target Bloxstrap-v2.5.4 (3).exe
- Size 7.6MB
- Sample240619-thgh4stane
- SHA256 b2ac1e407ed3ecd7c7faa6de929a68fb51145662cf793c40b69eb59295bba6bc
- MD5 dbb820772caf0003967ef0f269fbdeb1
- SHA1 31992bd4977a7dfeba67537a2da6c9ca64bc304c
- SHA512 e8ac879c7198dffb78bc6ee4ad49b5de40a5a7dbbda53d427d0a034941487d13c8bb2b8d590a1fcdd81cd6abb8f21fdfcd52924eb00c45a42ee06c1e4b3d590f
- SSDEEP 98304:XNd5DSd5DxTsed5D2ZT00UuOYoHwfLk3vSmaR0+Mc4AN0edaAHDfysrTl1:X+sdtObAbN0u
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
Bloxstrap-v2.5.4 (3).exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Bloxstrap-v2.5.4 (3).exe
Resource
win10v2004-20240508-en
Malware Config
Targets
-
- Target Bloxstrap-v2.5.4 (3).exe
- Size 7.6MB
- SHA256 b2ac1e407ed3ecd7c7faa6de929a68fb51145662cf793c40b69eb59295bba6bc
- MD5 dbb820772caf0003967ef0f269fbdeb1
- SHA1 31992bd4977a7dfeba67537a2da6c9ca64bc304c
- SHA512 e8ac879c7198dffb78bc6ee4ad49b5de40a5a7dbbda53d427d0a034941487d13c8bb2b8d590a1fcdd81cd6abb8f21fdfcd52924eb00c45a42ee06c1e4b3d590f
- SSDEEP 98304:XNd5DSd5DxTsed5D2ZT00UuOYoHwfLk3vSmaR0+Mc4AN0edaAHDfysrTl1:X+sdtObAbN0u
- MD5 SHA1 SHA512 SSDEEP
Nirsoft
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
Downloads MZ/PE file
Event Triggered Execution: Image File Execution Options Injection
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
Executes dropped EXE
Loads dropped DLL
Checks for any installed AV software in registry
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
Legitimate hosting services abused for malware hosting/C2
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1