Analysis
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max time kernel
121s -
max time network
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platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26/05/2024, 00:39
Static task
static1
Behavioral task
behavioral1
Sample
904d1bddea1d59c71b9501d7e7eb7c23070e5d89e6bcb6201f98903a56dfb607.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
904d1bddea1d59c71b9501d7e7eb7c23070e5d89e6bcb6201f98903a56dfb607.exe
Resource
win10v2004-20240426-en
General
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Target
904d1bddea1d59c71b9501d7e7eb7c23070e5d89e6bcb6201f98903a56dfb607.exe
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Size
565KB
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MD5
11ff116d302f2384b07727dc70c75a53
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SHA1
5c655b9172fad3cd0d6ab81049d79c108ebe8227
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SHA256
904d1bddea1d59c71b9501d7e7eb7c23070e5d89e6bcb6201f98903a56dfb607
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SHA512
d67baab2229ae2d94e839d3bf576861f8e44e17ce887c55a33289a491221e2f76beef10bab9bf0f0d0ac4217f29a007e4213c9f21b514907d1730e758df8b9ce
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SSDEEP
3072:XtwizQTj8CSUYf8W3nSjen++Bj88OZS0/Qe2HdOLlqw1aQuoYKN6LSSe9oVw:duj8NDF3OR9/Qe2HdklruoYk6LReT
Malware Config
Signatures
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Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x000a000000015cb6-3.dat INDICATOR_EXE_Packed_ASPack behavioral1/files/0x0035000000015d42-13.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/2876-20-0x0000000000400000-0x0000000000425000-memory.dmp INDICATOR_EXE_Packed_ASPack -
Deletes itself 1 IoCs
pid Process 2156 LiveMessageCenter.exe -
Executes dropped EXE 2 IoCs
pid Process 2064 casino_extensions.exe 2156 LiveMessageCenter.exe -
Loads dropped DLL 4 IoCs
pid Process 2956 casino_extensions.exe 2956 casino_extensions.exe 2800 casino_extensions.exe 2800 casino_extensions.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\casino_extensions.exe casino_extensions.exe File opened for modification C:\Windows\SysWOW64\casino_extensions.exe casino_extensions.exe File opened for modification C:\Windows\SysWOW64\casino_extensions.exe casino_extensions.exe File created C:\Windows\SysWOW64\LiveMessageCenter.exe casino_extensions.exe File opened for modification C:\Windows\SysWOW64\LiveMessageCenter.exe casino_extensions.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Internet Explorer\casino_extensions.exe casino_extensions.exe File opened for modification C:\Program Files (x86)\Internet Explorer\casino_extensions.exe LiveMessageCenter.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2156 LiveMessageCenter.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2876 904d1bddea1d59c71b9501d7e7eb7c23070e5d89e6bcb6201f98903a56dfb607.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2876 wrote to memory of 2956 2876 904d1bddea1d59c71b9501d7e7eb7c23070e5d89e6bcb6201f98903a56dfb607.exe 28 PID 2876 wrote to memory of 2956 2876 904d1bddea1d59c71b9501d7e7eb7c23070e5d89e6bcb6201f98903a56dfb607.exe 28 PID 2876 wrote to memory of 2956 2876 904d1bddea1d59c71b9501d7e7eb7c23070e5d89e6bcb6201f98903a56dfb607.exe 28 PID 2876 wrote to memory of 2956 2876 904d1bddea1d59c71b9501d7e7eb7c23070e5d89e6bcb6201f98903a56dfb607.exe 28 PID 2956 wrote to memory of 2064 2956 casino_extensions.exe 29 PID 2956 wrote to memory of 2064 2956 casino_extensions.exe 29 PID 2956 wrote to memory of 2064 2956 casino_extensions.exe 29 PID 2956 wrote to memory of 2064 2956 casino_extensions.exe 29 PID 2064 wrote to memory of 2800 2064 casino_extensions.exe 30 PID 2064 wrote to memory of 2800 2064 casino_extensions.exe 30 PID 2064 wrote to memory of 2800 2064 casino_extensions.exe 30 PID 2064 wrote to memory of 2800 2064 casino_extensions.exe 30 PID 2800 wrote to memory of 2156 2800 casino_extensions.exe 31 PID 2800 wrote to memory of 2156 2800 casino_extensions.exe 31 PID 2800 wrote to memory of 2156 2800 casino_extensions.exe 31 PID 2800 wrote to memory of 2156 2800 casino_extensions.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\904d1bddea1d59c71b9501d7e7eb7c23070e5d89e6bcb6201f98903a56dfb607.exe"C:\Users\Admin\AppData\Local\Temp\904d1bddea1d59c71b9501d7e7eb7c23070e5d89e6bcb6201f98903a56dfb607.exe"1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Program Files (x86)\Internet Explorer\casino_extensions.exe"C:\Program Files (x86)\Internet Explorer\casino_extensions.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\SysWOW64\casino_extensions.exeC:\Windows\system32\casino_extensions.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Program Files (x86)\Internet Explorer\casino_extensions.exe"C:\Program Files (x86)\Internet Explorer\casino_extensions.exe"4⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\SysWOW64\LiveMessageCenter.exeC:\Windows\system32\LiveMessageCenter.exe /part25⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:2156
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
567KB
MD5b25386d64fe38582fadf21b8d3d5c8d7
SHA1cbcfff2ff2b9d54e49c183e0017f95c735d1b9fe
SHA256f71b4ba6b53c0adeae1a350aa5792fb64028a59c0d2a95115ba84c35400ee438
SHA512a14a37ec02cf275d06bbbe3a399949c3daa678703389c6ff9f8363f7a5230d6dcc863b522313965089d618e2bdbde736a745aeafc35762e34cd8f7558a9ac737
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Filesize
574KB
MD5c992b9766237cf6494865df0759df238
SHA1fe5cfed63f1e060fc8077098b2d258af21277802
SHA25615b09c6df7380f48025fbff5f4d7f86b82cb9b72c4fb2628c67c6c96e0f81942
SHA5125b354b2a7aebb6f0bd9cc864c5b0f6eee66466ffe875130f72700fe05cc100d28a6461450ab68eb7da4d84fc2f490d9b7188dfee33239dc625d306ae55cf46cf