Analysis
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max time kernel
135s -
max time network
146s -
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 02:37
Static task
static1
Behavioral task
behavioral1
Sample
b144c73f1105004664b0d068ebdd72ffad32e1c2ecdd29c0781b41811f50f1d0.exe
Resource
win10v2004-20241007-en
General
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Target
b144c73f1105004664b0d068ebdd72ffad32e1c2ecdd29c0781b41811f50f1d0.exe
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Size
774KB
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MD5
9ec1250161c039d06e9bc8cc21c43090
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SHA1
12ee38fcd8ccbf3cc30fbeb05ba453621c4ce83d
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SHA256
b144c73f1105004664b0d068ebdd72ffad32e1c2ecdd29c0781b41811f50f1d0
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SHA512
86bbb03890c1a736f3118faabbc301c2a72ee42b46f8a1a4482974e1110dd6030d8e77aaaf8e0ff99e19bb6734d4204d15281e76f7eae92aad1b5d148bf62786
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SSDEEP
12288:Ky902Ejk0feiL6DBJvfpnwQ6ghxHBkzecWyLH+sKcg/7b4JCu11oP4h206Vc7qAj:KyGj/+lJv9BxxhpsqDbh7Ptizh
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/4004-2169-0x0000000005630000-0x0000000005662000-memory.dmp family_redline behavioral1/files/0x000f000000023a6f-2174.dat family_redline behavioral1/memory/5368-2182-0x00000000007C0000-0x00000000007EE000-memory.dmp family_redline behavioral1/files/0x000a000000023b8f-2194.dat family_redline behavioral1/memory/5304-2196-0x0000000000CA0000-0x0000000000CD0000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation m86078170.exe -
Executes dropped EXE 4 IoCs
pid Process 3828 x79728231.exe 4004 m86078170.exe 5368 1.exe 5304 n82530410.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\\\"" b144c73f1105004664b0d068ebdd72ffad32e1c2ecdd29c0781b41811f50f1d0.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\\\"" x79728231.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 5032 4004 WerFault.exe 85 -
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 b144c73f1105004664b0d068ebdd72ffad32e1c2ecdd29c0781b41811f50f1d0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language x79728231.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language m86078170.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language n82530410.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4004 m86078170.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1988 wrote to memory of 3828 1988 b144c73f1105004664b0d068ebdd72ffad32e1c2ecdd29c0781b41811f50f1d0.exe 83 PID 1988 wrote to memory of 3828 1988 b144c73f1105004664b0d068ebdd72ffad32e1c2ecdd29c0781b41811f50f1d0.exe 83 PID 1988 wrote to memory of 3828 1988 b144c73f1105004664b0d068ebdd72ffad32e1c2ecdd29c0781b41811f50f1d0.exe 83 PID 3828 wrote to memory of 4004 3828 x79728231.exe 85 PID 3828 wrote to memory of 4004 3828 x79728231.exe 85 PID 3828 wrote to memory of 4004 3828 x79728231.exe 85 PID 4004 wrote to memory of 5368 4004 m86078170.exe 88 PID 4004 wrote to memory of 5368 4004 m86078170.exe 88 PID 4004 wrote to memory of 5368 4004 m86078170.exe 88 PID 3828 wrote to memory of 5304 3828 x79728231.exe 92 PID 3828 wrote to memory of 5304 3828 x79728231.exe 92 PID 3828 wrote to memory of 5304 3828 x79728231.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\b144c73f1105004664b0d068ebdd72ffad32e1c2ecdd29c0781b41811f50f1d0.exe"C:\Users\Admin\AppData\Local\Temp\b144c73f1105004664b0d068ebdd72ffad32e1c2ecdd29c0781b41811f50f1d0.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x79728231.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x79728231.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m86078170.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\m86078170.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 13844⤵
- Program crash
PID:5032
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n82530410.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\n82530410.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5304
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4004 -ip 40041⤵PID:6008
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
570KB
MD5eea15f37548fb3e26592207230d67a52
SHA16788a3918a01c6b7f0169bec66adde0e16af1b86
SHA2565345f22b0793f79d71e50fced2fe7b136a7f93cb91389c2f7cb12f77166bace4
SHA51225dee832d6e2c1ee544fba9d2b43ddda2d103b79cfbd2230ea547bdbb3228af6b25b4d9170671672aa875ff013bedb8bc50823c8e81f373ba58f253efccb74b9
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Filesize
479KB
MD50f13e23b4764f955d924026cd648b049
SHA156e64bacc511100738ff84157a48fb394fd21ef2
SHA256d7d470b28a4ed8273f53270b82981ec40b37b6c4186ac1b5e0ee2c45835c02d8
SHA51234284e15a9b4a1218b897ebf0409c20ab6b5ae9b5fa55129b81c749e0b3e7c2d5263f07fc3aa7807bba51905c20c0a23a1fe3768bf922dd5f7dd4cb43b3e34b9
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Filesize
169KB
MD5ebf7a45f415b692550dec2016903579c
SHA153c9164591f728ad3b351e8ba3b5288320d0cbde
SHA2565005b4f0b8a70c3e5a2df3327417c63d2157e27b0ba7382c6748273d4cf90692
SHA512576cbf785238d6cb96a697bdd131b14d18b55f19cd932164eab8ac9140d92781ae3975921634b067b7df4fd818f26b18e57b6bfec021e58fb825b32273ee84af
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Filesize
168KB
MD5f16fb63d4e551d3808e8f01f2671b57e
SHA1781153ad6235a1152da112de1fb39a6f2d063575
SHA2568a34627d2a802a7222661926a21bfe7e05835d8dca23459a50c62ccac4619581
SHA512fad96ade34ff0637238ebf22941dcf21d9ddbe41e10b04d32a904c6018e0c9914345fc86e0ef8c27b95e3813eb60af233b2e47a585c150b9d1c14d48906f78cf