Analysis
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max time kernel
121s -
max time network
135s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
21-10-2021 19:15
Static task
static1
General
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Target
bbb52fa71217c68368d6b4d021227e325002e5bb7ecb248661aa4242bf773d8a.exe
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Size
631KB
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MD5
e6f3897b738846eb3d58ecd0677668ef
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SHA1
d558f3aafcba39e5c568df3d26bed75d4e4fc335
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SHA256
bbb52fa71217c68368d6b4d021227e325002e5bb7ecb248661aa4242bf773d8a
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SHA512
b31b2efcdbff1ed82919d8e169a5ab5a180c9ca225fa55de6c35958154c1f075c21e787a59bb821cd66f403a358f70f619efaaf9da2dda327a4b7adf22487cd0
Malware Config
Extracted
redline
mix22.10
185.215.113.15:21508
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 behavioral1/memory/792-124-0x0000000004DF0000-0x0000000004E0C000-memory.dmp family_redline behavioral1/memory/792-126-0x0000000007480000-0x000000000749A000-memory.dmp family_redline -
suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
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suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
arinesp.exepid process 792 arinesp.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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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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
bbb52fa71217c68368d6b4d021227e325002e5bb7ecb248661aa4242bf773d8a.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 bbb52fa71217c68368d6b4d021227e325002e5bb7ecb248661aa4242bf773d8a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString bbb52fa71217c68368d6b4d021227e325002e5bb7ecb248661aa4242bf773d8a.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
arinesp.exepid process 792 arinesp.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
arinesp.exedescription pid process Token: SeDebugPrivilege 792 arinesp.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
bbb52fa71217c68368d6b4d021227e325002e5bb7ecb248661aa4242bf773d8a.exedescription pid process target process PID 2764 wrote to memory of 792 2764 bbb52fa71217c68368d6b4d021227e325002e5bb7ecb248661aa4242bf773d8a.exe arinesp.exe PID 2764 wrote to memory of 792 2764 bbb52fa71217c68368d6b4d021227e325002e5bb7ecb248661aa4242bf773d8a.exe arinesp.exe PID 2764 wrote to memory of 792 2764 bbb52fa71217c68368d6b4d021227e325002e5bb7ecb248661aa4242bf773d8a.exe arinesp.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bbb52fa71217c68368d6b4d021227e325002e5bb7ecb248661aa4242bf773d8a.exe"C:\Users\Admin\AppData\Local\Temp\bbb52fa71217c68368d6b4d021227e325002e5bb7ecb248661aa4242bf773d8a.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\wowsfree\arinesp.exearinesp.exe2⤵
- Executes dropped EXE
- 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\Roaming\wowsfree\arinesp.exeMD5
1ae3794f124bfc4723c91150469a408a
SHA13a1ec7ab994293f8ffc0e5c5f79959ada980582c
SHA25612ab922da7afdaec8bc1a2fc551f41aa9703efc19186b50eee1e42edda7fd721
SHA5128405e811fdda76b49893a857c2007a85e3db9ab3c44317c3afcd954122ae4c98559bad42acb52176c0dd0d4c65d12e952d9df33aaa1966d06e827f2b2b44a1f3
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C:\Users\Admin\AppData\Roaming\wowsfree\arinesp.exeMD5
1ae3794f124bfc4723c91150469a408a
SHA13a1ec7ab994293f8ffc0e5c5f79959ada980582c
SHA25612ab922da7afdaec8bc1a2fc551f41aa9703efc19186b50eee1e42edda7fd721
SHA5128405e811fdda76b49893a857c2007a85e3db9ab3c44317c3afcd954122ae4c98559bad42acb52176c0dd0d4c65d12e952d9df33aaa1966d06e827f2b2b44a1f3
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memory/792-127-0x0000000008110000-0x0000000008111000-memory.dmpFilesize
4KB
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memory/792-122-0x00000000030A0000-0x00000000030CF000-memory.dmpFilesize
188KB
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memory/792-129-0x0000000007B00000-0x0000000007B01000-memory.dmpFilesize
4KB
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memory/792-141-0x00000000091C0000-0x00000000091C1000-memory.dmpFilesize
4KB
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memory/792-130-0x0000000007550000-0x0000000007551000-memory.dmpFilesize
4KB
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memory/792-121-0x0000000002F20000-0x0000000002FCE000-memory.dmpFilesize
696KB
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memory/792-123-0x0000000000400000-0x0000000002F1A000-memory.dmpFilesize
43.1MB
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memory/792-131-0x00000000075F0000-0x00000000075F1000-memory.dmpFilesize
4KB
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memory/792-125-0x0000000007600000-0x0000000007601000-memory.dmpFilesize
4KB
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memory/792-126-0x0000000007480000-0x000000000749A000-memory.dmpFilesize
104KB
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memory/792-140-0x0000000008FF0000-0x0000000008FF1000-memory.dmpFilesize
4KB
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memory/792-128-0x0000000007520000-0x0000000007521000-memory.dmpFilesize
4KB
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memory/792-118-0x0000000000000000-mapping.dmp
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memory/792-139-0x0000000008A70000-0x0000000008A71000-memory.dmpFilesize
4KB
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memory/792-124-0x0000000004DF0000-0x0000000004E0C000-memory.dmpFilesize
112KB
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memory/792-132-0x00000000075F2000-0x00000000075F3000-memory.dmpFilesize
4KB
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memory/792-133-0x00000000075F3000-0x00000000075F4000-memory.dmpFilesize
4KB
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memory/792-134-0x00000000075F4000-0x00000000075F6000-memory.dmpFilesize
8KB
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memory/792-135-0x0000000007C10000-0x0000000007C11000-memory.dmpFilesize
4KB
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memory/792-136-0x0000000008720000-0x0000000008721000-memory.dmpFilesize
4KB
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memory/792-137-0x00000000087A0000-0x00000000087A1000-memory.dmpFilesize
4KB
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memory/792-138-0x0000000008880000-0x0000000008881000-memory.dmpFilesize
4KB
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memory/2764-117-0x0000000000400000-0x0000000002F64000-memory.dmpFilesize
43.4MB
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memory/2764-116-0x0000000004C80000-0x0000000004D4F000-memory.dmpFilesize
828KB
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memory/2764-115-0x0000000004B80000-0x0000000004BEB000-memory.dmpFilesize
428KB