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Analysis
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max time kernel
131s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2024, 12:40
Static task
static1
Behavioral task
behavioral1
Sample
1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe
Resource
win10v2004-20241007-en
General
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Target
1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe
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Size
477KB
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MD5
0fabc03fb48a8fb778d3ce710421f069
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SHA1
1edc1549333706753a5be82edf5ce614c448382c
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SHA256
1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205
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SHA512
b5b90943d0f575b8bdbdb6ccdbff3227853eec8f17378d8e03aaa21b1512e62ac6806672fb448c7284939a2d7b8a6ca787178ce8a98413684d7bc538e9a1826b
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SSDEEP
6144:K5y+bnr+zp0yN90QEC2z21pN6xskbMkCVdJwv3/l9mXBKvyNbFPmxz+J:nMrXy90L6/N6xsgtC1wvTmk8Ru+
Malware Config
Extracted
redline
fukia
193.233.20.13:4136
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auth_value
e5783636fbd9e4f0cf9a017bce02e67e
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 2 IoCs
resource yara_rule behavioral1/files/0x000b000000023b89-12.dat family_redline behavioral1/memory/4024-15-0x0000000000730000-0x0000000000762000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 4868 nDz52.exe 4024 bpx36.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\\\"" 1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.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\\\"" nDz52.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nDz52.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bpx36.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3012 wrote to memory of 4868 3012 1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe 83 PID 3012 wrote to memory of 4868 3012 1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe 83 PID 3012 wrote to memory of 4868 3012 1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe 83 PID 4868 wrote to memory of 4024 4868 nDz52.exe 84 PID 4868 wrote to memory of 4024 4868 nDz52.exe 84 PID 4868 wrote to memory of 4024 4868 nDz52.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe"C:\Users\Admin\AppData\Local\Temp\1144572739c4a9bdedc9da1f6a6c0dafb3c182018d87b83afc88d4bcd006f205.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nDz52.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nDz52.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bpx36.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bpx36.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4024
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
202KB
MD58d972a64a38a50945b8c440752bc22ca
SHA168a6f0852d527197ed0e1c44b04fd33c3e76d846
SHA256c3e1f14fb59b8376c272aaf582fa4675e9cc7fd4d8f6b8ef858f98b5574bd136
SHA512fb56a8abcd94bfe5a2aac61ac82ce541a09b18b3c4e14a4b6353df373c9226f1b1c3125554540bad4dee4e8d8a39a1291db2a9599bd494b278d1ff489829ea36
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2