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
11/11/2024, 00:51
Static task
static1
Behavioral task
behavioral1
Sample
3a8729cbe2daf4785b30c6d46a6cc0f40163043c03505e6076e0d1a5d0211740.exe
Resource
win10v2004-20241007-en
General
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Target
3a8729cbe2daf4785b30c6d46a6cc0f40163043c03505e6076e0d1a5d0211740.exe
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Size
773KB
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MD5
485b06bc9a3ac16588097672635ffd46
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SHA1
a0f420dacf8a9a83f95c6be136ee04c0a8de62ad
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SHA256
3a8729cbe2daf4785b30c6d46a6cc0f40163043c03505e6076e0d1a5d0211740
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SHA512
bb290e1bf14bf3c04738a594e24802daaedc829eaace7cd5cecb60969fa5e0b165271d528dfa56a6beb8879ffd499080919d088a0589d5b4bb67853b6d386f11
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SSDEEP
12288:ty900dscD1pwKp6vK8dZoAM8g6xDBk/e/W8LXwsesZ/7j4Jbp9vQkzfrE/+8:tytGcD1DIvKCLfxV8sHTjqmj
Malware Config
Extracted
redline
gena
185.161.248.73:4164
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auth_value
d05bf43eef533e262271449829751d07
Extracted
redline
dante
185.161.248.73:4164
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auth_value
f4066af6b8a6f23125c8ee48288a3f90
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 5 IoCs
resource yara_rule behavioral1/memory/5040-2169-0x0000000005620000-0x0000000005652000-memory.dmp family_redline behavioral1/files/0x00050000000230d8-2174.dat family_redline behavioral1/memory/3552-2182-0x0000000000AC0000-0x0000000000AEE000-memory.dmp family_redline behavioral1/files/0x0007000000023c9a-2194.dat family_redline behavioral1/memory/4372-2196-0x0000000000BF0000-0x0000000000C20000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation m65555133.exe -
Executes dropped EXE 4 IoCs
pid Process 2988 x19783352.exe 5040 m65555133.exe 3552 1.exe 4372 n20680212.exe -
Adds Run key to start application 2 TTPs 2 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\\\"" 3a8729cbe2daf4785b30c6d46a6cc0f40163043c03505e6076e0d1a5d0211740.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" x19783352.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 684 5040 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language n20680212.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3a8729cbe2daf4785b30c6d46a6cc0f40163043c03505e6076e0d1a5d0211740.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language x19783352.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language m65555133.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5040 m65555133.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4552 wrote to memory of 2988 4552 3a8729cbe2daf4785b30c6d46a6cc0f40163043c03505e6076e0d1a5d0211740.exe 83 PID 4552 wrote to memory of 2988 4552 3a8729cbe2daf4785b30c6d46a6cc0f40163043c03505e6076e0d1a5d0211740.exe 83 PID 4552 wrote to memory of 2988 4552 3a8729cbe2daf4785b30c6d46a6cc0f40163043c03505e6076e0d1a5d0211740.exe 83 PID 2988 wrote to memory of 5040 2988 x19783352.exe 84 PID 2988 wrote to memory of 5040 2988 x19783352.exe 84 PID 2988 wrote to memory of 5040 2988 x19783352.exe 84 PID 5040 wrote to memory of 3552 5040 m65555133.exe 88 PID 5040 wrote to memory of 3552 5040 m65555133.exe 88 PID 5040 wrote to memory of 3552 5040 m65555133.exe 88 PID 2988 wrote to memory of 4372 2988 x19783352.exe 92 PID 2988 wrote to memory of 4372 2988 x19783352.exe 92 PID 2988 wrote to memory of 4372 2988 x19783352.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\3a8729cbe2daf4785b30c6d46a6cc0f40163043c03505e6076e0d1a5d0211740.exe"C:\Users\Admin\AppData\Local\Temp\3a8729cbe2daf4785b30c6d46a6cc0f40163043c03505e6076e0d1a5d0211740.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x19783352.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x19783352.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m65555133.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m65555133.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 11644⤵
- Program crash
PID:684
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n20680212.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n20680212.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5040 -ip 50401⤵PID:5544
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
569KB
MD5a9f87f9de8e14bba7030eab063250277
SHA1b038d9a3ba6f5c4f6b272ff3850cf06609c6d455
SHA2567a843d7d34c94b0a9acd0bc12b1995d76cad26e129aff97095048b4596ba6beb
SHA512b09a010113b4f3d8bdafbf7ef2fc61c965f817d9d2db181a9fd0d5b40ec37a3fb31de765707c81f02f2fa991a44fd28d8ff679686d3bb2b8470115f9697b6de5
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Filesize
479KB
MD51149c1c349c9442b7c9bc2936dd62251
SHA1a5b80e940ee4958a242a0bb71d7551f57590ebb2
SHA256c2fbb24c4f29590bf1941da5c2f50cdb2776cb3595ac8cbddb992fd6e836b743
SHA5129b7816d60b8475f7a49155a80dcc917330940a7684ecbc68b932269c81eba22490f342eeaf2ee5cec00ce92f539e5745d996e23903251e777cec9aad2ba84a21
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Filesize
169KB
MD53a701ad6d6c027144c8c7aee5a571dfd
SHA1a25f72d7201280d6fc81f3b9e0f875d8b4fde638
SHA25622ae9042c35103889a74c5940255a915dda4befd1cd1b586ed719c20f714dc95
SHA5128076b896920a6c897ddae9732c48e0cf6c05822d5415ac780de752a0a819c6c6c4119b7360a1b663d6b56d82d4737acf6da33fd8ceaed4b15e2e182e4db5659d
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Filesize
168KB
MD5f16fb63d4e551d3808e8f01f2671b57e
SHA1781153ad6235a1152da112de1fb39a6f2d063575
SHA2568a34627d2a802a7222661926a21bfe7e05835d8dca23459a50c62ccac4619581
SHA512fad96ade34ff0637238ebf22941dcf21d9ddbe41e10b04d32a904c6018e0c9914345fc86e0ef8c27b95e3813eb60af233b2e47a585c150b9d1c14d48906f78cf