Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
25/07/2024, 18:42
Behavioral task
behavioral1
Sample
eb87a32cdbc4d3e4e5a8036676857b40N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
eb87a32cdbc4d3e4e5a8036676857b40N.exe
Resource
win10v2004-20240709-en
General
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Target
eb87a32cdbc4d3e4e5a8036676857b40N.exe
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Size
29KB
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MD5
eb87a32cdbc4d3e4e5a8036676857b40
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SHA1
1d3eb3534b03ed02d72bc21ba2dc5a64a0678c69
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SHA256
494528a936a56e6a2cb43c35a5ae9dc54fd64373b90da7b15d26a23598fb4234
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SHA512
5a0861919471d245a27250987e7f39e93e0379333464a501f8cdedc3052beaf1a4fc46f468029b6a8f4410ed41be6cf758d35838adea7083d27dee788269fa48
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/T:AEwVs+0jNDY1qi/qL
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1652 services.exe -
resource yara_rule behavioral1/memory/2956-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2956-4-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/files/0x0007000000015d4c-7.dat upx behavioral1/memory/1652-10-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-16-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1652-17-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1652-22-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-23-0x0000000000220000-0x0000000000228000-memory.dmp upx behavioral1/memory/1652-28-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1652-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-34-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1652-35-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0005000000004ed7-48.dat upx behavioral1/memory/2956-53-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1652-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1652-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-59-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1652-60-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/1652-65-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-66-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1652-67-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2956-71-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/1652-72-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" eb87a32cdbc4d3e4e5a8036676857b40N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe eb87a32cdbc4d3e4e5a8036676857b40N.exe File opened for modification C:\Windows\java.exe eb87a32cdbc4d3e4e5a8036676857b40N.exe File created C:\Windows\java.exe eb87a32cdbc4d3e4e5a8036676857b40N.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 eb87a32cdbc4d3e4e5a8036676857b40N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2956 wrote to memory of 1652 2956 eb87a32cdbc4d3e4e5a8036676857b40N.exe 28 PID 2956 wrote to memory of 1652 2956 eb87a32cdbc4d3e4e5a8036676857b40N.exe 28 PID 2956 wrote to memory of 1652 2956 eb87a32cdbc4d3e4e5a8036676857b40N.exe 28 PID 2956 wrote to memory of 1652 2956 eb87a32cdbc4d3e4e5a8036676857b40N.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\eb87a32cdbc4d3e4e5a8036676857b40N.exe"C:\Users\Admin\AppData\Local\Temp\eb87a32cdbc4d3e4e5a8036676857b40N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1652
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5a25526fcdfb99e2ac5c185cb8d5f4061
SHA1eab1b5d85c021f4dd1276a7359d6df491272c534
SHA256746ea7fab5b56b0c056c9d2806856beb0f6d5980f58a7cb27d2959520ba3c967
SHA5121719f1a948231d4c318b7371337355380f18cb889ca4d547df8a326849a40d2abd60617fb2d46782ad3de3f3e89e5ed60a54c80bad5ad31e3d4150b31e3806e6
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Filesize
352B
MD501cc02700b684fff0bdf5fc042309274
SHA1dc6a0c96f0d754e8ffb0ff1f0cc2f7140aa429b5
SHA2560af96d69d9f36e3ef263b3637afe9bee6fb7c295bd258f1e32560aabff40213e
SHA512ba07ff3bd723d0d16097aaa14c3d65dddedc4fb1ebc08a87e4dda5421e1e408a6d34fcd4ada87ccb6eaf076a463dd77e7db06f5278e152fff96d694955a5bc3c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2