Analysis
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max time kernel
119s -
max time network
149s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
24-10-2021 05:39
Static task
static1
Behavioral task
behavioral1
Sample
Stumpers.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Stumpers.exe
Resource
win10-en-20211014
General
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Target
Stumpers.exe
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Size
389KB
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MD5
600a6843f8c555c0d54de21596daf2f5
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SHA1
0cb686583dacfa4d6e5e7309ad323b02df723c16
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SHA256
a059841f9de1c6f01abf02a6f111f871185ff8cfcbfb8a841bb2401164960fe8
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SHA512
3bc3ec7ebd5847c88a706cc8fa0b2d741bd2b1ec59de92611e0207791f764e8b29e2f47c391e3827e56c020931e1643ecf1e59939e35111b52fe0c2293ca792f
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 5 IoCs
Processes:
resource yara_rule behavioral1/memory/660-59-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral1/memory/660-60-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral1/memory/660-61-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral1/memory/660-62-0x0000000000418D66-mapping.dmp family_redline behavioral1/memory/660-63-0x0000000000400000-0x0000000000420000-memory.dmp family_redline -
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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Suspicious use of SetThreadContext 1 IoCs
Processes:
Stumpers.exedescription pid process target process PID 1172 set thread context of 660 1172 Stumpers.exe Stumpers.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Stumpers.exepid process 660 Stumpers.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Stumpers.exedescription pid process Token: SeDebugPrivilege 660 Stumpers.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Stumpers.exedescription pid process target process PID 1172 wrote to memory of 640 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 640 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 640 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 640 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 1652 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 1652 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 1652 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 1652 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 660 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 660 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 660 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 660 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 660 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 660 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 660 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 660 1172 Stumpers.exe Stumpers.exe PID 1172 wrote to memory of 660 1172 Stumpers.exe Stumpers.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Stumpers.exe"C:\Users\Admin\AppData\Local\Temp\Stumpers.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Stumpers.exeC:\Users\Admin\AppData\Local\Temp\Stumpers.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\Stumpers.exeC:\Users\Admin\AppData\Local\Temp\Stumpers.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\Stumpers.exeC:\Users\Admin\AppData\Local\Temp\Stumpers.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/660-57-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/660-59-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/660-58-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/660-60-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/660-61-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/660-62-0x0000000000418D66-mapping.dmp
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memory/660-63-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/660-65-0x00000000049D0000-0x00000000049D1000-memory.dmpFilesize
4KB
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memory/1172-54-0x0000000000130000-0x0000000000131000-memory.dmpFilesize
4KB
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memory/1172-56-0x00000000048F0000-0x00000000048F1000-memory.dmpFilesize
4KB