Analysis
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max time kernel
13s -
max time network
14s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
04-09-2024 03:53
Static task
static1
Behavioral task
behavioral1
Sample
66d48faf6737f_crypted.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
66d48faf6737f_crypted.exe
Resource
win11-20240802-en
General
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Target
66d48faf6737f_crypted.exe
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Size
312KB
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MD5
67a51322cbb161374023771f2fa9c1d5
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SHA1
0162a4171c983605374a295a57a7ba6a58622ff5
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SHA256
ef7e913e51b970193a61248fccf25fa32f9efbdc82953ca0850d9607e87cdd68
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SHA512
71e4962d123a21d763a6d88899c35df1f7a0712bd33995fd61e548deb4d1d2c135000330d5f2dd843c69cd8f92c42295c9e0f2c2a288a4f3c81496e83a837ce1
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SSDEEP
6144:oQFymRBlWpu63P0RZrZ9bWHITwScrryiQ23HtIff:DFy0l0f6ZrZ9bWoVCrHdIH
Malware Config
Extracted
redline
LogsDiller Cloud (TG: @logsdillabot)
147.45.47.36:30035
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 1 IoCs
Processes:
resource yara_rule behavioral2/memory/5824-3-0x0000000000400000-0x0000000000452000-memory.dmp family_redline -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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:
66d48faf6737f_crypted.exedescription pid process target process PID 5320 set thread context of 5824 5320 66d48faf6737f_crypted.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
66d48faf6737f_crypted.exeRegAsm.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 66d48faf6737f_crypted.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Processes:
RegAsm.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064\Blob = 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 RegAsm.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064 RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
RegAsm.exepid process 5824 RegAsm.exe 5824 RegAsm.exe 5824 RegAsm.exe 5824 RegAsm.exe 5824 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 5824 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
66d48faf6737f_crypted.exedescription pid process target process PID 5320 wrote to memory of 5824 5320 66d48faf6737f_crypted.exe RegAsm.exe PID 5320 wrote to memory of 5824 5320 66d48faf6737f_crypted.exe RegAsm.exe PID 5320 wrote to memory of 5824 5320 66d48faf6737f_crypted.exe RegAsm.exe PID 5320 wrote to memory of 5824 5320 66d48faf6737f_crypted.exe RegAsm.exe PID 5320 wrote to memory of 5824 5320 66d48faf6737f_crypted.exe RegAsm.exe PID 5320 wrote to memory of 5824 5320 66d48faf6737f_crypted.exe RegAsm.exe PID 5320 wrote to memory of 5824 5320 66d48faf6737f_crypted.exe RegAsm.exe PID 5320 wrote to memory of 5824 5320 66d48faf6737f_crypted.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\66d48faf6737f_crypted.exe"C:\Users\Admin\AppData\Local\Temp\66d48faf6737f_crypted.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5320 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5824
Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD51420d30f964eac2c85b2ccfe968eebce
SHA1bdf9a6876578a3e38079c4f8cf5d6c79687ad750
SHA256f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9
SHA5126fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8