Analysis
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max time kernel
120s -
max time network
172s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
23-07-2021 05:03
Static task
static1
Behavioral task
behavioral1
Sample
35A80E79A290DFCE0D019D467EC8DC9C.exe
Resource
win7v20210410
General
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Target
35A80E79A290DFCE0D019D467EC8DC9C.exe
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Size
3.0MB
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MD5
35a80e79a290dfce0d019d467ec8dc9c
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SHA1
c9e67190debfb937b1c148b5c1c0f2869e4c0b8a
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SHA256
ee70cb2fc82abe10d225555baf80864b1c8f779fce79dcb2b76943d145a8130e
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SHA512
5916e9bc037a5e95fdeb8cc519cea95e3d63c25a1940673c99713621133463c32e5c6ce8bd7c7635c666a1c76c8dfe1554b14719f2f0e5acd9a77fe8da7e7b03
Malware Config
Extracted
netwire
finerthings.duckdns.org:3021
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activex_autorun
false
- activex_key
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copy_executable
false
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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/912-76-0x0000000000400000-0x0000000000433000-memory.dmp netwire -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
DDllsystem.exeDDllsystem.exepid process 332 DDllsystem.exe 912 DDllsystem.exe -
Loads dropped DLL 3 IoCs
Processes:
35A80E79A290DFCE0D019D467EC8DC9C.exeDDllsystem.exepid process 1020 35A80E79A290DFCE0D019D467EC8DC9C.exe 332 DDllsystem.exe 332 DDllsystem.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
DDllsystem.exedescription pid process target process PID 332 set thread context of 912 332 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 332 DDllsystem.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
35A80E79A290DFCE0D019D467EC8DC9C.exedescription pid process Token: SeDebugPrivilege 1020 35A80E79A290DFCE0D019D467EC8DC9C.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
35A80E79A290DFCE0D019D467EC8DC9C.exeDDllsystem.exedescription pid process target process PID 1020 wrote to memory of 332 1020 35A80E79A290DFCE0D019D467EC8DC9C.exe DDllsystem.exe PID 1020 wrote to memory of 332 1020 35A80E79A290DFCE0D019D467EC8DC9C.exe DDllsystem.exe PID 1020 wrote to memory of 332 1020 35A80E79A290DFCE0D019D467EC8DC9C.exe DDllsystem.exe PID 1020 wrote to memory of 332 1020 35A80E79A290DFCE0D019D467EC8DC9C.exe DDllsystem.exe PID 332 wrote to memory of 912 332 DDllsystem.exe DDllsystem.exe PID 332 wrote to memory of 912 332 DDllsystem.exe DDllsystem.exe PID 332 wrote to memory of 912 332 DDllsystem.exe DDllsystem.exe PID 332 wrote to memory of 912 332 DDllsystem.exe DDllsystem.exe PID 332 wrote to memory of 912 332 DDllsystem.exe DDllsystem.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\35A80E79A290DFCE0D019D467EC8DC9C.exe"C:\Users\Admin\AppData\Local\Temp\35A80E79A290DFCE0D019D467EC8DC9C.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/332-67-0x0000000000000000-mapping.dmp
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memory/332-69-0x0000000075591000-0x0000000075593000-memory.dmpFilesize
8KB
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memory/912-73-0x000000000040242D-mapping.dmp
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memory/912-76-0x0000000000400000-0x0000000000433000-memory.dmpFilesize
204KB
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memory/1020-65-0x0000000002210000-0x0000000002211000-memory.dmpFilesize
4KB
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memory/1020-59-0x00000000007D0000-0x00000000007E5000-memory.dmpFilesize
84KB
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memory/1020-63-0x0000000004A33000-0x0000000004A34000-memory.dmpFilesize
4KB
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memory/1020-64-0x0000000004A34000-0x0000000004A36000-memory.dmpFilesize
8KB
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memory/1020-62-0x0000000004A32000-0x0000000004A33000-memory.dmpFilesize
4KB
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memory/1020-61-0x0000000004A31000-0x0000000004A32000-memory.dmpFilesize
4KB
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memory/1020-60-0x00000000021F0000-0x0000000002203000-memory.dmpFilesize
76KB