Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/11/2024, 20:04
Static task
static1
Behavioral task
behavioral1
Sample
18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc.exe
Resource
win10v2004-20241007-en
General
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Target
18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc.exe
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Size
530KB
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MD5
4179d4b033ebbd206832dfb3b96de95b
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SHA1
781d88260499ded6a492c83ad95f8c1c3d51290d
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SHA256
18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc
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SHA512
c49697296d48ce6144ed2365dbbd060a2472f6514926ae1caaee0616c965ecf393953fd4c8bc6b3f4cf45bb57685c4736565c8d8c3d8b2275f278d8429eac6fd
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SSDEEP
6144:Xf+tFwZ1VSpZlg5XQIt6UqUm82+jDxTMjUa+pSZWeeSyIiCsF/nNDHgI5KLQG+:PMFw92g5gi6bhqDmrUS3JAVNHgI5G2
Malware Config
Extracted
redline
gena
185.161.248.73:4164
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auth_value
d05bf43eef533e262271449829751d07
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 3 IoCs
resource yara_rule behavioral2/memory/2548-2155-0x0000000002F10000-0x0000000002F42000-memory.dmp family_redline behavioral2/files/0x001b00000001db14-2160.dat family_redline behavioral2/memory/5364-2168-0x0000000000B20000-0x0000000000B4E000-memory.dmp family_redline -
Redline family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc.exe -
Executes dropped EXE 1 IoCs
pid Process 5364 1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 5500 2548 WerFault.exe 83 -
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 18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2548 18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2548 wrote to memory of 5364 2548 18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc.exe 90 PID 2548 wrote to memory of 5364 2548 18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc.exe 90 PID 2548 wrote to memory of 5364 2548 18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc.exe"C:\Users\Admin\AppData\Local\Temp\18cdf8b9bdf1b74cc441cfb25129ae192440b923c4e3d1ec0216833fc1bdfcfc.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 13722⤵
- Program crash
PID:5500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2548 -ip 25481⤵PID:5464
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
168KB
MD5f16fb63d4e551d3808e8f01f2671b57e
SHA1781153ad6235a1152da112de1fb39a6f2d063575
SHA2568a34627d2a802a7222661926a21bfe7e05835d8dca23459a50c62ccac4619581
SHA512fad96ade34ff0637238ebf22941dcf21d9ddbe41e10b04d32a904c6018e0c9914345fc86e0ef8c27b95e3813eb60af233b2e47a585c150b9d1c14d48906f78cf