General
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Target
c831720fb411d5fd4400cf50f74b7245_JaffaCakes118
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Size
255KB
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Sample
240829-ej316ssfmc
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MD5
c831720fb411d5fd4400cf50f74b7245
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SHA1
5497b79574be3011b6f79af264e89e3666626ad6
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SHA256
4aa5011c326557c30dd7ff7a0876db6d9015f9bcc1a2169fd6e28b2bcf233c06
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SHA512
e9e90d86931c24bfd0a96c7d6431e64c859d2c4865480408a338101ed7548bbe8443df8be148215a7670a1f848dc72619e3bda53c338db11df4695efcac58d9a
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SSDEEP
6144:0kyacNKIjGAP4PiIz9/d3wtoixPEgyGXT/KsGta+of7DnHKc7igrW8:0kiZv492to4Hb/KTv2Xqc7HJ
Static task
static1
Behavioral task
behavioral1
Sample
c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
c831720fb411d5fd4400cf50f74b7245_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
reefer.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
reefer.dll
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\Users\Admin\Music\_README_JNRZWK_.hta
Targets
-
-
Target
c831720fb411d5fd4400cf50f74b7245_JaffaCakes118
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Size
255KB
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MD5
c831720fb411d5fd4400cf50f74b7245
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SHA1
5497b79574be3011b6f79af264e89e3666626ad6
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SHA256
4aa5011c326557c30dd7ff7a0876db6d9015f9bcc1a2169fd6e28b2bcf233c06
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SHA512
e9e90d86931c24bfd0a96c7d6431e64c859d2c4865480408a338101ed7548bbe8443df8be148215a7670a1f848dc72619e3bda53c338db11df4695efcac58d9a
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SSDEEP
6144:0kyacNKIjGAP4PiIz9/d3wtoixPEgyGXT/KsGta+of7DnHKc7igrW8:0kiZv492to4Hb/KTv2Xqc7HJ
Score10/10-
Contacts a large (589) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Loads dropped DLL
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Sets desktop wallpaper using registry
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Suspicious use of SetThreadContext
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
fc90dfb694d0e17b013d6f818bce41b0
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SHA1
3243969886d640af3bfa442728b9f0dff9d5f5b0
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SHA256
7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
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SHA512
324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6
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SSDEEP
192:e/b2HS5ih/7i00eWz9T7PH6yeFcQMI5+Vw+EXWZ77dslFZk:ewSUmWw9T7MmnI5+/F7Kdk
Score3/10 -
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Target
reefer.dll
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Size
100KB
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MD5
3f5244090a5b3a807d59afbb50f3b529
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SHA1
77d9d718b50673eb179adea0d4137bd0a931825e
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SHA256
a389fafef3429061990ec264c0049e721b45ebffe07b0317f2e8155ebe2912d2
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SHA512
9c3a6b43152d751fb5d3252111395ede7e5ef3e8c4e39d20f2d7424aa8f37858372d9846d3b4c7130ee563699b1ceb4323369995d2565e3d7b19ea48d55922f6
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SSDEEP
3072:gYmAoaLe8QR3BQBVwutvDIZn3Gjlaqlx:doa6vVBiFIR36f
Score3/10 -