Analysis
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max time kernel
71s -
max time network
101s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
22-10-2021 16:53
Static task
static1
Behavioral task
behavioral1
Sample
27988be4a41feb2b8b37dedb6949e9f4.exe
Resource
win7-en-20210920
General
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Target
27988be4a41feb2b8b37dedb6949e9f4.exe
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Size
386KB
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MD5
27988be4a41feb2b8b37dedb6949e9f4
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SHA1
4bf776600242d676c07dab696999f13982f333ea
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SHA256
73d7def516f13281fd06673ef3b5b87eb99ba4f708dbfa78a11bf0de94b23df1
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SHA512
a4a0b3fb5730ffbf6de4a4261d06274b56fcc2c5d7c42c0731b43060a199ef166194648a52b34e4bf4cef7315c79f2a2ec1e7ae65c5d161766a5d3b6678df49a
Malware Config
Extracted
redline
james222
135.181.129.119:4805
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/632-60-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral1/memory/632-59-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral1/memory/632-61-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral1/memory/632-62-0x0000000000418B0E-mapping.dmp family_redline behavioral1/memory/632-63-0x0000000000400000-0x0000000000420000-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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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:
27988be4a41feb2b8b37dedb6949e9f4.exedescription pid process target process PID 524 set thread context of 632 524 27988be4a41feb2b8b37dedb6949e9f4.exe 27988be4a41feb2b8b37dedb6949e9f4.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
27988be4a41feb2b8b37dedb6949e9f4.exepid process 632 27988be4a41feb2b8b37dedb6949e9f4.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
27988be4a41feb2b8b37dedb6949e9f4.exedescription pid process Token: SeDebugPrivilege 632 27988be4a41feb2b8b37dedb6949e9f4.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
27988be4a41feb2b8b37dedb6949e9f4.exedescription pid process target process PID 524 wrote to memory of 632 524 27988be4a41feb2b8b37dedb6949e9f4.exe 27988be4a41feb2b8b37dedb6949e9f4.exe PID 524 wrote to memory of 632 524 27988be4a41feb2b8b37dedb6949e9f4.exe 27988be4a41feb2b8b37dedb6949e9f4.exe PID 524 wrote to memory of 632 524 27988be4a41feb2b8b37dedb6949e9f4.exe 27988be4a41feb2b8b37dedb6949e9f4.exe PID 524 wrote to memory of 632 524 27988be4a41feb2b8b37dedb6949e9f4.exe 27988be4a41feb2b8b37dedb6949e9f4.exe PID 524 wrote to memory of 632 524 27988be4a41feb2b8b37dedb6949e9f4.exe 27988be4a41feb2b8b37dedb6949e9f4.exe PID 524 wrote to memory of 632 524 27988be4a41feb2b8b37dedb6949e9f4.exe 27988be4a41feb2b8b37dedb6949e9f4.exe PID 524 wrote to memory of 632 524 27988be4a41feb2b8b37dedb6949e9f4.exe 27988be4a41feb2b8b37dedb6949e9f4.exe PID 524 wrote to memory of 632 524 27988be4a41feb2b8b37dedb6949e9f4.exe 27988be4a41feb2b8b37dedb6949e9f4.exe PID 524 wrote to memory of 632 524 27988be4a41feb2b8b37dedb6949e9f4.exe 27988be4a41feb2b8b37dedb6949e9f4.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\27988be4a41feb2b8b37dedb6949e9f4.exe"C:\Users\Admin\AppData\Local\Temp\27988be4a41feb2b8b37dedb6949e9f4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\27988be4a41feb2b8b37dedb6949e9f4.exeC:\Users\Admin\AppData\Local\Temp\27988be4a41feb2b8b37dedb6949e9f4.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/524-54-0x0000000000E60000-0x0000000000E61000-memory.dmpFilesize
4KB
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memory/524-56-0x0000000004830000-0x0000000004831000-memory.dmpFilesize
4KB
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memory/632-58-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/632-57-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/632-60-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/632-59-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/632-61-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/632-62-0x0000000000418B0E-mapping.dmp
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memory/632-63-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/632-65-0x00000000049F0000-0x00000000049F1000-memory.dmpFilesize
4KB