Analysis
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max time kernel
10s -
max time network
152s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
22-07-2021 23:11
Static task
static1
Behavioral task
behavioral1
Sample
5413D7925B6E67E27E6FFDAB67974DBF.exe
Resource
win7v20210410
General
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Target
5413D7925B6E67E27E6FFDAB67974DBF.exe
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Size
183KB
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MD5
5413d7925b6e67e27e6ffdab67974dbf
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SHA1
72250774c05d90f827cd3e9a85a0d5b7b4e3b791
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SHA256
7e12867c3e8353fc4175b559bbf654ccce1b253204fd7c5c0e2a72b56026ca32
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SHA512
8584a9c7c6b0dda77601096b595ad0b1820bb00ec508b05af9a3d067f8b926a9dac78d89bc9d4b415fcc5fabb7ebc108bab3169bfe51d0fb2697f179aba5dc10
Malware Config
Extracted
netwire
finerthings.duckdns.org:3021
-
activex_autorun
false
- activex_key
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copy_executable
false
-
delete_original
false
-
host_id
H23053OIGS
- install_path
- keylogger_dir
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lock_executable
false
- mutex
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offline_keylogger
false
-
password
finerthings@963
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registry_autorun
false
- startup_name
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use_mutex
false
Signatures
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NetWire RAT payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1080-77-0x0000000000400000-0x0000000000433000-memory.dmp netwire -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
DDllsystem.exeDDllsystem.exepid process 296 DDllsystem.exe 1080 DDllsystem.exe -
Loads dropped DLL 3 IoCs
Processes:
5413D7925B6E67E27E6FFDAB67974DBF.exeDDllsystem.exepid process 1420 5413D7925B6E67E27E6FFDAB67974DBF.exe 296 DDllsystem.exe 296 DDllsystem.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DDllsystem.exedescription pid process target process PID 296 set thread context of 1080 296 DDllsystem.exe DDllsystem.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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NSIS installer 10 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\DDllsystem.exe nsis_installer_1 \Users\Admin\AppData\Local\Temp\DDllsystem.exe nsis_installer_2 C:\Users\Admin\AppData\Local\Temp\DDllsystem.exe nsis_installer_1 C:\Users\Admin\AppData\Local\Temp\DDllsystem.exe nsis_installer_2 C:\Users\Admin\AppData\Local\Temp\DDllsystem.exe nsis_installer_1 C:\Users\Admin\AppData\Local\Temp\DDllsystem.exe nsis_installer_2 \Users\Admin\AppData\Local\Temp\DDllsystem.exe nsis_installer_1 \Users\Admin\AppData\Local\Temp\DDllsystem.exe nsis_installer_2 C:\Users\Admin\AppData\Local\Temp\DDllsystem.exe nsis_installer_1 C:\Users\Admin\AppData\Local\Temp\DDllsystem.exe nsis_installer_2 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
DDllsystem.exepid process 296 DDllsystem.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
5413D7925B6E67E27E6FFDAB67974DBF.exedescription pid process Token: SeDebugPrivilege 1420 5413D7925B6E67E27E6FFDAB67974DBF.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
5413D7925B6E67E27E6FFDAB67974DBF.exeDDllsystem.exedescription pid process target process PID 1420 wrote to memory of 296 1420 5413D7925B6E67E27E6FFDAB67974DBF.exe DDllsystem.exe PID 1420 wrote to memory of 296 1420 5413D7925B6E67E27E6FFDAB67974DBF.exe DDllsystem.exe PID 1420 wrote to memory of 296 1420 5413D7925B6E67E27E6FFDAB67974DBF.exe DDllsystem.exe PID 1420 wrote to memory of 296 1420 5413D7925B6E67E27E6FFDAB67974DBF.exe DDllsystem.exe PID 296 wrote to memory of 1080 296 DDllsystem.exe DDllsystem.exe PID 296 wrote to memory of 1080 296 DDllsystem.exe DDllsystem.exe PID 296 wrote to memory of 1080 296 DDllsystem.exe DDllsystem.exe PID 296 wrote to memory of 1080 296 DDllsystem.exe DDllsystem.exe PID 296 wrote to memory of 1080 296 DDllsystem.exe DDllsystem.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5413D7925B6E67E27E6FFDAB67974DBF.exe"C:\Users\Admin\AppData\Local\Temp\5413D7925B6E67E27E6FFDAB67974DBF.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DDllsystem.exe"C:\Users\Admin\AppData\Local\Temp\DDllsystem.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DDllsystem.exe"C:\Users\Admin\AppData\Local\Temp\DDllsystem.exe"3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\DDllsystem.exeMD5
959be976070ea4820a2e24dcce3d0bdf
SHA17ec0c6d7d9b75ef8f078383a15d977b45dc434c1
SHA2566b4dd13ea6241a6c8ad2c967d88f3336798dc1e30dd24cfa3377f9b363d70b2e
SHA512de3ed25149af67a28cd5659bfeb895e323bbd9e79bb791bfbe972f448ca1012d4872b4478bd321a8baefd5813dd69fb19d73ff02d078f5b99ab6618946d4455e
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C:\Users\Admin\AppData\Local\Temp\DDllsystem.exeMD5
959be976070ea4820a2e24dcce3d0bdf
SHA17ec0c6d7d9b75ef8f078383a15d977b45dc434c1
SHA2566b4dd13ea6241a6c8ad2c967d88f3336798dc1e30dd24cfa3377f9b363d70b2e
SHA512de3ed25149af67a28cd5659bfeb895e323bbd9e79bb791bfbe972f448ca1012d4872b4478bd321a8baefd5813dd69fb19d73ff02d078f5b99ab6618946d4455e
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C:\Users\Admin\AppData\Local\Temp\DDllsystem.exeMD5
959be976070ea4820a2e24dcce3d0bdf
SHA17ec0c6d7d9b75ef8f078383a15d977b45dc434c1
SHA2566b4dd13ea6241a6c8ad2c967d88f3336798dc1e30dd24cfa3377f9b363d70b2e
SHA512de3ed25149af67a28cd5659bfeb895e323bbd9e79bb791bfbe972f448ca1012d4872b4478bd321a8baefd5813dd69fb19d73ff02d078f5b99ab6618946d4455e
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\Users\Admin\AppData\Local\Temp\DDllsystem.exeMD5
959be976070ea4820a2e24dcce3d0bdf
SHA17ec0c6d7d9b75ef8f078383a15d977b45dc434c1
SHA2566b4dd13ea6241a6c8ad2c967d88f3336798dc1e30dd24cfa3377f9b363d70b2e
SHA512de3ed25149af67a28cd5659bfeb895e323bbd9e79bb791bfbe972f448ca1012d4872b4478bd321a8baefd5813dd69fb19d73ff02d078f5b99ab6618946d4455e
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\Users\Admin\AppData\Local\Temp\DDllsystem.exeMD5
959be976070ea4820a2e24dcce3d0bdf
SHA17ec0c6d7d9b75ef8f078383a15d977b45dc434c1
SHA2566b4dd13ea6241a6c8ad2c967d88f3336798dc1e30dd24cfa3377f9b363d70b2e
SHA512de3ed25149af67a28cd5659bfeb895e323bbd9e79bb791bfbe972f448ca1012d4872b4478bd321a8baefd5813dd69fb19d73ff02d078f5b99ab6618946d4455e
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\Users\Admin\AppData\Local\Temp\kxtmnugf.dllMD5
c6740f343d8777430307336fcb50d504
SHA154e4bafc84ab18dab87731ee3b3647d923af7fd7
SHA25603d53a25652bbf853ab65f0428ebc68db0497654206b95bb86f0d45f0b0ebd70
SHA512ae4e1919d94a23d522996ac86c920aaf7d05b1aa7d3596521c9b7fcfcee5a890249ab825b0cc5d4a3dc75ac54db5248500c1c11b676caebf49811f6eed887ff2
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memory/296-68-0x0000000000000000-mapping.dmp
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memory/296-70-0x0000000074FB1000-0x0000000074FB3000-memory.dmpFilesize
8KB
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memory/1080-74-0x000000000040242D-mapping.dmp
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memory/1080-77-0x0000000000400000-0x0000000000433000-memory.dmpFilesize
204KB
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memory/1420-66-0x0000000001FB0000-0x0000000001FB1000-memory.dmpFilesize
4KB
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memory/1420-65-0x0000000004954000-0x0000000004956000-memory.dmpFilesize
8KB
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memory/1420-63-0x0000000004952000-0x0000000004953000-memory.dmpFilesize
4KB
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memory/1420-64-0x0000000004953000-0x0000000004954000-memory.dmpFilesize
4KB
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memory/1420-60-0x00000000005F0000-0x0000000000605000-memory.dmpFilesize
84KB
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memory/1420-62-0x0000000004951000-0x0000000004952000-memory.dmpFilesize
4KB
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memory/1420-61-0x0000000001F90000-0x0000000001FA3000-memory.dmpFilesize
76KB