Analysis
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max time kernel
110s -
max time network
122s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
23-10-2021 16:40
Static task
static1
Behavioral task
behavioral1
Sample
Loader.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Loader.exe
Resource
win10-en-20211014
General
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Target
Loader.exe
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Size
1.1MB
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MD5
35ef1da481434536d768ea3d38afd4c6
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SHA1
55681185303670a382514f649c0c26e1aeadc53b
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SHA256
65ac41a575bef9b2c3bccc5699bdd6962e4bc7b30618ac876a880e3528c50493
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SHA512
e136c3aa9a679ee554eae6e5899cdfadecf0fecf0d94c5c8cd245f3abb3e77dcb7935bd3e3791220e690aa137b1558b35d03772d12dc95848ba7fc6b3b045fe1
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/3840-125-0x0000000000400000-0x0000000000420000-memory.dmp family_redline behavioral2/memory/3840-126-0x0000000000418D56-mapping.dmp family_redline -
Downloads MZ/PE file
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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:
Loader.exedescription pid process target process PID 3084 set thread context of 3840 3084 Loader.exe Loader.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Loader.exepid process 3840 Loader.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Loader.exeLoader.exedescription pid process Token: SeDebugPrivilege 3084 Loader.exe Token: SeDebugPrivilege 3840 Loader.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Loader.exedescription pid process target process PID 3084 wrote to memory of 3840 3084 Loader.exe Loader.exe PID 3084 wrote to memory of 3840 3084 Loader.exe Loader.exe PID 3084 wrote to memory of 3840 3084 Loader.exe Loader.exe PID 3084 wrote to memory of 3840 3084 Loader.exe Loader.exe PID 3084 wrote to memory of 3840 3084 Loader.exe Loader.exe PID 3084 wrote to memory of 3840 3084 Loader.exe Loader.exe PID 3084 wrote to memory of 3840 3084 Loader.exe Loader.exe PID 3084 wrote to memory of 3840 3084 Loader.exe Loader.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Loader.exe"C:\Users\Admin\AppData\Local\Temp\Loader.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Loader.exe"C:\Users\Admin\AppData\Local\Temp\Loader.exe"2⤵
- 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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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Loader.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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memory/3084-115-0x00000000004B0000-0x00000000004B1000-memory.dmpFilesize
4KB
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memory/3084-117-0x0000000004E00000-0x0000000004E01000-memory.dmpFilesize
4KB
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memory/3084-118-0x00000000053A0000-0x00000000053A1000-memory.dmpFilesize
4KB
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memory/3084-119-0x0000000004F40000-0x0000000004F41000-memory.dmpFilesize
4KB
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memory/3084-120-0x0000000004EA0000-0x000000000539E000-memory.dmpFilesize
5.0MB
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memory/3084-121-0x0000000004DC0000-0x0000000004DC1000-memory.dmpFilesize
4KB
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memory/3084-122-0x00000000050A0000-0x00000000050A1000-memory.dmpFilesize
4KB
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memory/3084-123-0x0000000004EA0000-0x000000000539E000-memory.dmpFilesize
5.0MB
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memory/3084-124-0x00000000090F0000-0x00000000091E7000-memory.dmpFilesize
988KB
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memory/3840-126-0x0000000000418D56-mapping.dmp
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memory/3840-129-0x0000000005CE0000-0x0000000005CE1000-memory.dmpFilesize
4KB
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memory/3840-130-0x0000000005780000-0x0000000005781000-memory.dmpFilesize
4KB
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memory/3840-131-0x00000000058B0000-0x00000000058B1000-memory.dmpFilesize
4KB
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memory/3840-132-0x00000000057E0000-0x00000000057E1000-memory.dmpFilesize
4KB
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memory/3840-133-0x0000000005860000-0x0000000005861000-memory.dmpFilesize
4KB
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memory/3840-134-0x00000000056D0000-0x0000000005CD6000-memory.dmpFilesize
6.0MB
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memory/3840-135-0x0000000005B40000-0x0000000005B41000-memory.dmpFilesize
4KB
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memory/3840-138-0x0000000005C90000-0x0000000005C91000-memory.dmpFilesize
4KB
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memory/3840-139-0x0000000006700000-0x0000000006701000-memory.dmpFilesize
4KB
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memory/3840-140-0x0000000007320000-0x0000000007321000-memory.dmpFilesize
4KB
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memory/3840-141-0x0000000007A20000-0x0000000007A21000-memory.dmpFilesize
4KB
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memory/3840-125-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB