Analysis
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max time kernel
119s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09/10/2024, 20:47
Static task
static1
Behavioral task
behavioral1
Sample
AcroRdrDCx642400320112_en_US.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
AcroRdrDCx642400320112_en_US.exe
Resource
win10v2004-20241007-en
General
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Target
AcroRdrDCx642400320112_en_US.exe
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Size
443.6MB
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MD5
5c5dd077a31f23873dbe25ab6ef34933
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SHA1
0ed71a3efa6df98f5cc6bba9fa4f7c80d5d78c2f
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SHA256
42b5d414c5ff65e662998a92cf54179df694e5ee88793531fee4ee32e70d41fb
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SHA512
e5b60089ade6c6acc1d147c15357e2b429b1fa19354fc757df0ff85b46435b79046e53b8b24e79d163743fe3f93229687d844b527ae7c8ad3c63732fa83f0acb
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SSDEEP
6291456:IzwRUHohZ0VHvxI0/r8tSzMXPhHm9sson9HFMAYFbL3/sbCQaML56XLTIzY3ywu8:WohZTAI/J9JM33/sbza9XfAY3y6wEyt+
Malware Config
Signatures
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Drops file in Program Files directory 22 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\abcpy.ini AcroRdrDCx642400320112_en_US.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\Temp\26938\installer.bin AcroRdrDCx642400320112_en_US.exe File created C:\Program Files (x86)\Common Files\Adobe\Reader\Temp\26938\installer.bin AcroRdrDCx642400320112_en_US.exe File created C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\10874.txt AcroRdrDCx642400320112_en_US.exe File created C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\Core.cab AcroRdrDCx642400320112_en_US.exe File opened for modification C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\Core.cab AcroRdrDCx642400320112_en_US.exe File opened for modification C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\WindowsInstaller-KB893803-v2-x86.exe AcroRdrDCx642400320112_en_US.exe File created C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\AcroRdrDCx64Upd2400320112.msp AcroRdrDCx642400320112_en_US.exe File created C:\Program Files (x86)\Common Files\Adobe\Reader\Temp\26938\31092.txt AcroRdrDCx642400320112_en_US.exe File opened for modification C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700} AcroRdrDCx642400320112_en_US.exe File created C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\setup.ini AcroRdrDCx642400320112_en_US.exe File created C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\WindowsInstaller-KB893803-v2-x86.exe AcroRdrDCx642400320112_en_US.exe File created C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\abcpy.ini AcroRdrDCx642400320112_en_US.exe File opened for modification C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\AcroRdrDCx64Upd2400320112.msp AcroRdrDCx642400320112_en_US.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\Temp\26938\config.bin AcroRdrDCx642400320112_en_US.exe File created C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\setup.exe AcroRdrDCx642400320112_en_US.exe File opened for modification C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\setup.exe AcroRdrDCx642400320112_en_US.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\Temp\26938 AcroRdrDCx642400320112_en_US.exe File created C:\Program Files (x86)\Common Files\Adobe\Reader\Temp\26938\config.bin AcroRdrDCx642400320112_en_US.exe File created C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\AcroPro.msi AcroRdrDCx642400320112_en_US.exe File opened for modification C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\AcroPro.msi AcroRdrDCx642400320112_en_US.exe File opened for modification C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\setup.ini AcroRdrDCx642400320112_en_US.exe -
Executes dropped EXE 2 IoCs
pid Process 2808 setup.exe 1192 Process not Found -
Loads dropped DLL 1 IoCs
pid Process 2980 AcroRdrDCx642400320112_en_US.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 AcroRdrDCx642400320112_en_US.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2980 AcroRdrDCx642400320112_en_US.exe 2980 AcroRdrDCx642400320112_en_US.exe 2980 AcroRdrDCx642400320112_en_US.exe 2808 setup.exe 2808 setup.exe 2808 setup.exe 2808 setup.exe 2808 setup.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2980 wrote to memory of 2808 2980 AcroRdrDCx642400320112_en_US.exe 31 PID 2980 wrote to memory of 2808 2980 AcroRdrDCx642400320112_en_US.exe 31 PID 2980 wrote to memory of 2808 2980 AcroRdrDCx642400320112_en_US.exe 31 PID 2980 wrote to memory of 2808 2980 AcroRdrDCx642400320112_en_US.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\AcroRdrDCx642400320112_en_US.exe"C:\Users\Admin\AppData\Local\Temp\AcroRdrDCx642400320112_en_US.exe"1⤵
- Drops file in Program Files directory
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\setup.exe"C:\Program Files\Common Files\Adobe\Acrobat\Setup\{AC76BA86-1033-1033-7760-BC15014EA700}\setup.exe" /msi DISABLE_CACHE=12⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2808
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5c28672dec79bafe8e8f1ffbb5323fd83
SHA168730beceadce609f731bf7c18e77aaff220e29a
SHA256dbe36a4b065a8c5aa52b066a837c06044d373d7f81d0ee7c2e313de460bde3e5
SHA5128cb3b16d431cf7776624289df3fd1c6bf86ab4587a1f4c2dab1dd207e66a69520390968d3f2f37598e918160b57fb87762279da0a40670bace06f6be86f40677
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Filesize
269B
MD583361d9265a137aad732af43c5f23ce1
SHA173e0e6c72aebd3ced38d93a3c0200edcf3d5445e
SHA256e22fdac7c9d9fcd4aa8186731aea26ad5e47228c48116924ad1d106f6a17a5ef
SHA512215c4f3ad7fc74eb21eefd75db280d16568f8adabefe87d5eef117267d0d80e2a721d66f59bada183d6a538b4d73cb80576dbcf86987ee057faf90fda5b3ddd4
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Filesize
636KB
MD5228037b00acb7cf3c059d51cf0e0728d
SHA114590e917d68375d8e4f33d6a984ad82be0bbcf9
SHA2568a9f151e112fafd0fdba94941b1926273f9c9cd9700217765f0064677f5d417b
SHA512c3042b22cc77db81b97685a66eacd25872b39195dc3c34f8695b2c16646a526c55718a4298df4043dda250555a04a6c53c4add5796a3430f64d782f20750f9ac