General
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Target
file_v2.rar
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Size
18.1MB
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Sample
240211-vb4whabh25
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MD5
ac5aceacdb693a609cc3818308fe833b
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SHA1
67cd5e1392788a57bd6a4b95cb9944303b1bb68a
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SHA256
4bf085036f2dfa13d8b97408b6a197216489e814a0012908aa5aca1ee7308542
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SHA512
de4d0f2ebaaac3ef4054cbf246b648b732acfbc54e2272bb44595cd13203a9ec0e68320b4a9c4bd6329a985ea9ed7d5648e4ababfe4ed4082fcd39737871f8a5
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SSDEEP
393216:5eW/AfpPtOJjUJZBf8r71AXgNJ79LaOi2Cxba6CzcljRoE:atskZx+AoJpLaPxbLCIRWE
Static task
static1
Behavioral task
behavioral1
Sample
file_v2.rar
Resource
win7-20231215-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Extracted
risepro
193.233.132.49:50500
Extracted
smokeloader
pub3
Extracted
smokeloader
2022
http://sjyey.com/tmp/index.php
http://babonwo.ru/tmp/index.php
http://mth.com.ua/tmp/index.php
http://piratia.pw/tmp/index.php
http://go-piratia.ru/tmp/index.php
Targets
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Target
file_v2.rar
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Size
18.1MB
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MD5
ac5aceacdb693a609cc3818308fe833b
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SHA1
67cd5e1392788a57bd6a4b95cb9944303b1bb68a
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SHA256
4bf085036f2dfa13d8b97408b6a197216489e814a0012908aa5aca1ee7308542
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SHA512
de4d0f2ebaaac3ef4054cbf246b648b732acfbc54e2272bb44595cd13203a9ec0e68320b4a9c4bd6329a985ea9ed7d5648e4ababfe4ed4082fcd39737871f8a5
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SSDEEP
393216:5eW/AfpPtOJjUJZBf8r71AXgNJ79LaOi2Cxba6CzcljRoE:atskZx+AoJpLaPxbLCIRWE
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Creates new service(s)
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Downloads MZ/PE file
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Modifies Windows Firewall
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Virtualization/Sandbox Evasion
1