General
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Target
TT088541873- Proforma Invoice 2025_pdf.exe
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Size
764KB
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Sample
250430-kbw6jsxxds
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MD5
24db83f0de4c517db3660d7fefb6216c
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SHA1
86c79d69f13d3201b42316b6ba02a5150722349a
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SHA256
24f6470b79094f2308f48e09ba2814f33bba9b5383394a845c7d45098aedb435
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SHA512
2288ab63d1eef7086970f30d1f9f989a9ca77ca9cc7e438f23a58340c922141b84d80eccc8353dab0b367eba8acf0141844b37e0fb9f36a6a39ce0d63c009d82
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SSDEEP
12288:VI8md7NV6VWN1iWMgJ9q07pOvET+dC73xC2puHN/bH/Gs3r15q:6d7NV6VcMWrJ70vEl73X8HNTfT3rO
Static task
static1
Behavioral task
behavioral1
Sample
TT088541873- Proforma Invoice 2025_pdf.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral2
Sample
TT088541873- Proforma Invoice 2025_pdf.exe
Resource
win11-20250410-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20250410-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20250410-en
Malware Config
Targets
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Target
TT088541873- Proforma Invoice 2025_pdf.exe
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Size
764KB
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MD5
24db83f0de4c517db3660d7fefb6216c
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SHA1
86c79d69f13d3201b42316b6ba02a5150722349a
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SHA256
24f6470b79094f2308f48e09ba2814f33bba9b5383394a845c7d45098aedb435
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SHA512
2288ab63d1eef7086970f30d1f9f989a9ca77ca9cc7e438f23a58340c922141b84d80eccc8353dab0b367eba8acf0141844b37e0fb9f36a6a39ce0d63c009d82
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SSDEEP
12288:VI8md7NV6VWN1iWMgJ9q07pOvET+dC73xC2puHN/bH/Gs3r15q:6d7NV6VcMWrJ70vEl73X8HNTfT3rO
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Darkcloud family
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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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Loads dropped DLL
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Adds Run key to start application
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Blocklisted process makes network request
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Target
$PLUGINSDIR/nsExec.dll
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Size
6KB
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MD5
143e45d5929ba564ba0c3a0773be76e6
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SHA1
c7e108ad681dd19afc646a43f7ce757388653f57
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SHA256
8459feb67b7eb0caaaed607e0f36c8d4979abf1bad87e7f1c7c2b97c73174d6d
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SHA512
1114403b9af202396ffe32610e1160313ff22c488f87b4a8f771d14fda02a954af7beacad5655143dafdf0af9a76b2a0d5c121ef57819e0567c367578482f003
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SSDEEP
96:T7fhZwXd8KgEbAa9PweF1WxD8ZLMJGgmkN238:0N8KgWAuLWxD8ZAGgmkN
Score3/10 -
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1