Analysis
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max time kernel
21s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
25-02-2021 14:12
Static task
static1
Behavioral task
behavioral1
Sample
42c13b2a7baf59c6d0d6ee1ce3c0be78.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
42c13b2a7baf59c6d0d6ee1ce3c0be78.exe
Resource
win10v20201028
General
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Target
42c13b2a7baf59c6d0d6ee1ce3c0be78.exe
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Size
651KB
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MD5
42c13b2a7baf59c6d0d6ee1ce3c0be78
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SHA1
c4f5d427c8257547f642c5eb2dc7aab687825cc6
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SHA256
bef5636daa6cccce3b38d8d284de1cb1ad2cfb36cbcaede1c8f7478e706f1201
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SHA512
0418d7e28a56861a7742b83b70b0801902bb9680ca1cd9dfb068c7986986c23cc4a85554f970ff8c6c4095827e64140646387905c4e80f788b0e2ad47d8a5e7a
Malware Config
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4064-37-0x00000000026F0000-0x0000000002719000-memory.dmp family_redline behavioral2/memory/4064-39-0x0000000002950000-0x0000000002977000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
noabu.exepid process 4064 noabu.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 19 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 8 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 3064 1788 WerFault.exe 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe 3976 1788 WerFault.exe 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe 212 1788 WerFault.exe 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe 1176 1788 WerFault.exe 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe 3184 1788 WerFault.exe 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe 2152 1788 WerFault.exe 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe 3892 1788 WerFault.exe 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe 1332 1788 WerFault.exe 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
42c13b2a7baf59c6d0d6ee1ce3c0be78.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid process 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3064 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 3976 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 212 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 1176 WerFault.exe 3184 WerFault.exe 3184 WerFault.exe 3184 WerFault.exe 3184 WerFault.exe 3184 WerFault.exe 3184 WerFault.exe 3184 WerFault.exe 3184 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exenoabu.exedescription pid process Token: SeRestorePrivilege 3064 WerFault.exe Token: SeBackupPrivilege 3064 WerFault.exe Token: SeDebugPrivilege 3064 WerFault.exe Token: SeDebugPrivilege 3976 WerFault.exe Token: SeDebugPrivilege 212 WerFault.exe Token: SeDebugPrivilege 1176 WerFault.exe Token: SeDebugPrivilege 3184 WerFault.exe Token: SeDebugPrivilege 2152 WerFault.exe Token: SeDebugPrivilege 3892 WerFault.exe Token: SeDebugPrivilege 1332 WerFault.exe Token: SeDebugPrivilege 4064 noabu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
42c13b2a7baf59c6d0d6ee1ce3c0be78.exedescription pid process target process PID 1788 wrote to memory of 4064 1788 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe noabu.exe PID 1788 wrote to memory of 4064 1788 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe noabu.exe PID 1788 wrote to memory of 4064 1788 42c13b2a7baf59c6d0d6ee1ce3c0be78.exe noabu.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\42c13b2a7baf59c6d0d6ee1ce3c0be78.exe"C:\Users\Admin\AppData\Local\Temp\42c13b2a7baf59c6d0d6ee1ce3c0be78.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 7522⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 8722⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 12042⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 15642⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 15322⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\paperships\noabu.exenoabu.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 16002⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 19162⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 14002⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\paperships\noabu.exeMD5
bdfdca6660e6fe6cabe4dcc397154975
SHA16e7130d78356acb749f11b60e10244ea9ba267a2
SHA2563a77d697b35b9de741ac611c904aca942a17d4ac8f786f4f9b9532dec277a8f6
SHA512f7dc745eecfa2f8df6fa54bd1c98333e3c27123dd02bdcc91f9e96950393169a906d611d260a6863b36f22e6fa00c9fdabdd6e2bd24e7aaed50d265b19e03327
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C:\Users\Admin\AppData\Roaming\paperships\noabu.exeMD5
bdfdca6660e6fe6cabe4dcc397154975
SHA16e7130d78356acb749f11b60e10244ea9ba267a2
SHA2563a77d697b35b9de741ac611c904aca942a17d4ac8f786f4f9b9532dec277a8f6
SHA512f7dc745eecfa2f8df6fa54bd1c98333e3c27123dd02bdcc91f9e96950393169a906d611d260a6863b36f22e6fa00c9fdabdd6e2bd24e7aaed50d265b19e03327
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memory/212-11-0x0000000004240000-0x0000000004241000-memory.dmpFilesize
4KB
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memory/1176-14-0x0000000004330000-0x0000000004331000-memory.dmpFilesize
4KB
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memory/1332-34-0x00000000046A0000-0x00000000046A1000-memory.dmpFilesize
4KB
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memory/1788-2-0x0000000000BC0000-0x0000000000BC1000-memory.dmpFilesize
4KB
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memory/1788-4-0x0000000000400000-0x00000000004D5000-memory.dmpFilesize
852KB
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memory/1788-3-0x0000000000BC0000-0x0000000000C8F000-memory.dmpFilesize
828KB
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memory/2152-23-0x0000000004A00000-0x0000000004A01000-memory.dmpFilesize
4KB
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memory/3064-6-0x0000000004C50000-0x0000000004C51000-memory.dmpFilesize
4KB
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memory/3064-5-0x0000000004C50000-0x0000000004C51000-memory.dmpFilesize
4KB
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memory/3184-17-0x0000000004320000-0x0000000004321000-memory.dmpFilesize
4KB
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memory/3892-26-0x00000000044B0000-0x00000000044B1000-memory.dmpFilesize
4KB
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memory/3976-8-0x00000000045C0000-0x00000000045C1000-memory.dmpFilesize
4KB
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memory/4064-33-0x0000000072280000-0x000000007296E000-memory.dmpFilesize
6.9MB
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memory/4064-44-0x0000000004E90000-0x0000000004E91000-memory.dmpFilesize
4KB
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memory/4064-31-0x0000000000D60000-0x0000000000D95000-memory.dmpFilesize
212KB
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memory/4064-32-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/4064-29-0x0000000000D60000-0x0000000000D61000-memory.dmpFilesize
4KB
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memory/4064-20-0x0000000000000000-mapping.dmp
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memory/4064-37-0x00000000026F0000-0x0000000002719000-memory.dmpFilesize
164KB
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memory/4064-38-0x0000000004F00000-0x0000000004F01000-memory.dmpFilesize
4KB
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memory/4064-39-0x0000000002950000-0x0000000002977000-memory.dmpFilesize
156KB
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memory/4064-40-0x0000000004DE0000-0x0000000004DE1000-memory.dmpFilesize
4KB
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memory/4064-42-0x0000000004EF2000-0x0000000004EF3000-memory.dmpFilesize
4KB
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memory/4064-41-0x0000000004EF0000-0x0000000004EF1000-memory.dmpFilesize
4KB
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memory/4064-43-0x0000000004EF3000-0x0000000004EF4000-memory.dmpFilesize
4KB
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memory/4064-30-0x0000000002740000-0x0000000002741000-memory.dmpFilesize
4KB
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memory/4064-45-0x0000000005420000-0x0000000005421000-memory.dmpFilesize
4KB
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memory/4064-46-0x0000000005AC0000-0x0000000005AC1000-memory.dmpFilesize
4KB
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memory/4064-47-0x0000000005AE0000-0x0000000005AE1000-memory.dmpFilesize
4KB
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memory/4064-48-0x0000000005C50000-0x0000000005C51000-memory.dmpFilesize
4KB
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memory/4064-49-0x0000000004EF4000-0x0000000004EF6000-memory.dmpFilesize
8KB
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memory/4064-50-0x0000000005DD0000-0x0000000005DD1000-memory.dmpFilesize
4KB
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memory/4064-51-0x0000000006990000-0x0000000006991000-memory.dmpFilesize
4KB
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memory/4064-52-0x0000000006B80000-0x0000000006B81000-memory.dmpFilesize
4KB
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memory/4064-53-0x00000000071C0000-0x00000000071C1000-memory.dmpFilesize
4KB
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memory/4064-54-0x0000000007270000-0x0000000007271000-memory.dmpFilesize
4KB
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memory/4064-55-0x0000000007AD0000-0x0000000007AD1000-memory.dmpFilesize
4KB