Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
24/07/2024, 00:09
Behavioral task
behavioral1
Sample
25a975738da88b561a3a847554df1050N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
25a975738da88b561a3a847554df1050N.exe
Resource
win10v2004-20240709-en
General
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Target
25a975738da88b561a3a847554df1050N.exe
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Size
29KB
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MD5
25a975738da88b561a3a847554df1050
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SHA1
42f80cd5de08945171d548c78317c3062b3bcafa
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SHA256
074f954936ab10d1610842dbdbd54fd7b4c5d419ca2f7839324f962683206256
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SHA512
deaee4d6390db7da16dd7c3073a37869ece4662d86c2abf4a2f48fb3577ccd1178deeb7cd1555332e40355b54b124d2e54056500c7bfdf226da18f7085890c70
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/z:AEwVs+0jNDY1qi/qr
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2752 services.exe -
resource yara_rule behavioral1/memory/2752-11-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0008000000018ba5-8.dat upx behavioral1/memory/2928-2-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2928-17-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2752-18-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2752-23-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2752-30-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2752-32-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2752-37-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2752-42-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2752-44-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2752-49-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2752-54-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2752-56-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/memory/2928-55-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2928-60-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral1/memory/2752-61-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral1/files/0x0004000000004ed7-66.dat 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" 25a975738da88b561a3a847554df1050N.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 opened for modification C:\Windows\java.exe 25a975738da88b561a3a847554df1050N.exe File created C:\Windows\java.exe 25a975738da88b561a3a847554df1050N.exe File created C:\Windows\services.exe 25a975738da88b561a3a847554df1050N.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 25a975738da88b561a3a847554df1050N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language services.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2928 wrote to memory of 2752 2928 25a975738da88b561a3a847554df1050N.exe 30 PID 2928 wrote to memory of 2752 2928 25a975738da88b561a3a847554df1050N.exe 30 PID 2928 wrote to memory of 2752 2928 25a975738da88b561a3a847554df1050N.exe 30 PID 2928 wrote to memory of 2752 2928 25a975738da88b561a3a847554df1050N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\25a975738da88b561a3a847554df1050N.exe"C:\Users\Admin\AppData\Local\Temp\25a975738da88b561a3a847554df1050N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2928 -
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:2752
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
29KB
MD5cbad789fed1e0543df5860dc31463ecc
SHA1ae64b365656bd62a4b5a703a4ef4a890c37fd14f
SHA25664062fd8d615b0e3e7078bbdcdfdb27d6a91695c5fe12ca560bd436ee039fff7
SHA512017f906094cf63a28bb0d080f598b756bef55aeade0a80c19af9a5f916d204b60fcfd7d2b80ca8468fa8068b62f3028ddf94df7ba1794abdfcd9b897ff8797aa
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Filesize
352B
MD5209bcd2798427996ff0fd7ae5f77e9a5
SHA1328235df09b09a15f39385e8e52e3fd50fb73185
SHA25637ec531c12817cace76ac59111586d5f0d0df8865fcc587eeaeaf40fd8914f98
SHA51221d146c46479001871a8e456ecd0360e3f6097d836ca14367915875596f10d872399db9cbcc2cda68019d32ae0f035808291b2e92be883728a83c4bdaab96fa7
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2