Analysis
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max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
14/07/2024, 22:38
Behavioral task
behavioral1
Sample
33d8e96448425c90f5ea838c5c1d1a90N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
33d8e96448425c90f5ea838c5c1d1a90N.exe
Resource
win10v2004-20240709-en
General
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Target
33d8e96448425c90f5ea838c5c1d1a90N.exe
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Size
41KB
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MD5
33d8e96448425c90f5ea838c5c1d1a90
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SHA1
f5b345f2f2617a866628cba27bf67e1fc5edd67f
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SHA256
e4ba1709bacfc4da9a776faf353c731c49d76c493165a6491ccf81c5f8c04adb
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SHA512
d08e949dc9991e3dc48220bce47c2efc30b0568941e6163111dd2292e4f1f15bb0a58f7c9f222ba9c73e00f21e13d24230938f60ff2bc18500e5b8fccc75de96
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SSDEEP
768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/:AEwVs+0jNDY1qi/q
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5112 services.exe -
resource yara_rule behavioral2/memory/1632-0-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/files/0x000800000002344c-6.dat upx behavioral2/memory/5112-7-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1632-13-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5112-14-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5112-19-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5112-24-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5112-26-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5112-31-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5112-36-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5112-38-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5112-43-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5112-48-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/5112-50-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1632-54-0x0000000000500000-0x0000000000510200-memory.dmp upx behavioral2/memory/5112-55-0x0000000000400000-0x0000000000408000-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" 33d8e96448425c90f5ea838c5c1d1a90N.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 33d8e96448425c90f5ea838c5c1d1a90N.exe File opened for modification C:\Windows\java.exe 33d8e96448425c90f5ea838c5c1d1a90N.exe File created C:\Windows\java.exe 33d8e96448425c90f5ea838c5c1d1a90N.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1632 wrote to memory of 5112 1632 33d8e96448425c90f5ea838c5c1d1a90N.exe 84 PID 1632 wrote to memory of 5112 1632 33d8e96448425c90f5ea838c5c1d1a90N.exe 84 PID 1632 wrote to memory of 5112 1632 33d8e96448425c90f5ea838c5c1d1a90N.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\33d8e96448425c90f5ea838c5c1d1a90N.exe"C:\Users\Admin\AppData\Local\Temp\33d8e96448425c90f5ea838c5c1d1a90N.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:5112
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
160B
MD50d200ab9969a50d92c010f6068d89f07
SHA11d2dacd9d454292903b3a73d0dc400626ee74c4d
SHA256a765f60cfe5d68f0955bbfe8c8e38000605a17311fb8d1a7ebf61eb9018a1a79
SHA512db055fdf8e4e3ac44a6b9835280e6cf9e3c0c8bb54dc841afaf73e22c5947539e13eaf6857ee48d664aaf789b7099f80f14441194f23efd195dfd7eb897497a9
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2