Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2024, 13:10
Static task
static1
Behavioral task
behavioral1
Sample
fcb1d8e5b1e02ec90395f06ffdc75efd5f0d75a098a5bb196e96d374311ff77b.exe
Resource
win10v2004-20241007-en
General
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Target
fcb1d8e5b1e02ec90395f06ffdc75efd5f0d75a098a5bb196e96d374311ff77b.exe
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Size
433KB
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MD5
73bf22629d4ccc048dfca72972c8caa5
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SHA1
039ee5e0af1f6fffa7bf3ebde63298b1d8b16bd2
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SHA256
fcb1d8e5b1e02ec90395f06ffdc75efd5f0d75a098a5bb196e96d374311ff77b
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SHA512
6fefa7690f589edc9dbadd52bf3f37d3d6ee0ae578ff78f466769197fd2b65c5a98d8f7fa4679eff8667aa561bd40773764eb7515a4010e50406eac7e4171dc3
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SSDEEP
12288:WMrsy90SWCWbxy59C7a3Y3PfMLFROcwFh:KyVWCWbsrC7a3YffM5RNS
Malware Config
Extracted
redline
rodik
193.233.20.23:4124
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auth_value
59b6e22e7cfd9b5fa0c99d1942f7c85d
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 35 IoCs
resource yara_rule behavioral1/memory/1516-11-0x00000000049B0000-0x00000000049F6000-memory.dmp family_redline behavioral1/memory/1516-13-0x0000000004C70000-0x0000000004CB4000-memory.dmp family_redline behavioral1/memory/1516-18-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-78-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-76-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-72-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-70-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-68-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-66-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-65-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-60-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-58-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-56-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-54-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-53-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-50-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-48-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-47-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-44-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-42-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-40-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-38-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-36-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-34-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-32-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-30-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-28-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-26-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-22-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-20-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-16-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-15-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-74-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-62-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline behavioral1/memory/1516-24-0x0000000004C70000-0x0000000004CAF000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 1 IoCs
pid Process 1516 lOD20bf55.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" fcb1d8e5b1e02ec90395f06ffdc75efd5f0d75a098a5bb196e96d374311ff77b.exe -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fcb1d8e5b1e02ec90395f06ffdc75efd5f0d75a098a5bb196e96d374311ff77b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lOD20bf55.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1516 lOD20bf55.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1696 wrote to memory of 1516 1696 fcb1d8e5b1e02ec90395f06ffdc75efd5f0d75a098a5bb196e96d374311ff77b.exe 84 PID 1696 wrote to memory of 1516 1696 fcb1d8e5b1e02ec90395f06ffdc75efd5f0d75a098a5bb196e96d374311ff77b.exe 84 PID 1696 wrote to memory of 1516 1696 fcb1d8e5b1e02ec90395f06ffdc75efd5f0d75a098a5bb196e96d374311ff77b.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\fcb1d8e5b1e02ec90395f06ffdc75efd5f0d75a098a5bb196e96d374311ff77b.exe"C:\Users\Admin\AppData\Local\Temp\fcb1d8e5b1e02ec90395f06ffdc75efd5f0d75a098a5bb196e96d374311ff77b.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1696 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lOD20bf55.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lOD20bf55.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1516
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
364KB
MD5b907779ac03be51e3fe55c545e16195d
SHA1d39a6ffa3af1153cb920e4fd1a9bd38b99c1f37b
SHA25649c804cc4ef692834971fe93b96777381c9b247ce2f1d49b34b39e01b05d610c
SHA512c72a9fbaad8653f9f2f065c196a8abf5dcf540dd5f52514df72b9668220849d8921cd6b3c9441386bcfbc27e507b578bcf59b31d802279d5141d1c0bcf3b78b7