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Analysis
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max time kernel
151s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23/11/2022, 23:25
Behavioral task
behavioral1
Sample
37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.exe
Resource
win10v2004-20220812-en
General
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Target
37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.exe
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Size
28KB
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MD5
527a968500fae058a1a48058a4f0f4ab
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SHA1
696d95c019d71aae29e8ad2571a8bf9071a70b30
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SHA256
37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869
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SHA512
8d97e3da1699cdc6e5c8fab2ae4a2f571e3121558f2af1ffd28365bf982258f04bb8b6a53075a59f9194fbe4053ac22e0e76965c04e5a6dd033e2b355ad58fed
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNYsdpK:Dv8IRRdsxq1DjJcqfNKK
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2520 services.exe -
resource yara_rule behavioral2/memory/884-132-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x0006000000022f6c-134.dat upx behavioral2/files/0x0006000000022f6c-135.dat upx behavioral2/memory/2520-136-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/884-138-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/2520-139-0x0000000000400000-0x0000000000408000-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" 37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.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\java.exe 37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.exe File created C:\Windows\services.exe 37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.exe File opened for modification C:\Windows\java.exe 37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 884 wrote to memory of 2520 884 37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.exe 81 PID 884 wrote to memory of 2520 884 37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.exe 81 PID 884 wrote to memory of 2520 884 37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.exe"C:\Users\Admin\AppData\Local\Temp\37eff72d2eb57b69564330d49751fa7e591d8008bb215f7564fee38a3974d869.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2520
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5f47cf793ad4cb3ea9e0c40c8aeca3732
SHA14811123a978b40a88ede52ea7120907a6353af9f
SHA256646a8214b776be1ac8d7c3b21fa822d508421add2304abf950ca9b51b78cb80a
SHA5122c0145f25e9309813df170a0fe2d33e567b8bd3c0e7baa7e6e99aa247a14a2464b5327c8998fd51893ec42374275e4acdb70be48d8a84aa54186a68612219e11
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Filesize
1KB
MD5ba2c6b90129a30cd8b0c8593f11214f0
SHA153d5dea7c655627f63b787365632da279415d33c
SHA256760ef17c19163f552963b79e53f07d2123cec4c4b64dea4bd3854fb78faa1dc5
SHA512fe9f494fd708e6df05f04be7a1bfcaf70dd733eff4ce5e41a85b0056e42d0a9fd29e92439c4f01a758980932b6c93f07b3afb26dcd3b8d9ab8356c5de4b85905
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Filesize
1KB
MD520ffa0fc7255d5a2832ea48650414589
SHA11866ff2723dbe2344e6bbd8007b5e930a1e27972
SHA25644db3ce9c6ce51dcfcb5643a85831b3024f32c5dce84bf1fc00ce936fae513f1
SHA51261156dc3f6ba7702fde05964fdcf07d7ee788d166b2dbc6325180a513f5ba25ef303334d786e6529f77f3f75b1d02a337791c6fec4f23545b1aae409035ad25c
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2