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Analysis
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max time kernel
148s -
max time network
153s -
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, 03:19
Static task
static1
Behavioral task
behavioral1
Sample
cc83cc581546f89de3d069b1ff7d5037ee0675d34a6d73877d20f27684318cb1.exe
Resource
win10v2004-20241007-en
General
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Target
cc83cc581546f89de3d069b1ff7d5037ee0675d34a6d73877d20f27684318cb1.exe
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Size
202KB
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MD5
4d7ce30a55f0b1df8cbab04af091f08c
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SHA1
3d75594e86290397fc7d6474b643723535dc108f
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SHA256
cc83cc581546f89de3d069b1ff7d5037ee0675d34a6d73877d20f27684318cb1
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SHA512
84894923dae0152f8d18c4b778bfbe452a859d06923378df7b2e59d6947ce21957dbc3ebeb908da3c3d4c3a2574980f7bf87081a7c1e9f2d57648b4659f6d6e1
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SSDEEP
3072:Kky+bnr+O1M5GWp1icKAArDZz4N9GhbkrNEk6d6KobmnVgAmhu4mNP9Zi8lYn:Kky+bnr+/p0yN90QEuKVgWdjih
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/0x0008000000023cb0-5.dat family_redline behavioral1/memory/4540-8-0x0000000000440000-0x0000000000472000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 1 IoCs
pid Process 4540 bkY80.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\\\"" cc83cc581546f89de3d069b1ff7d5037ee0675d34a6d73877d20f27684318cb1.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 cc83cc581546f89de3d069b1ff7d5037ee0675d34a6d73877d20f27684318cb1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bkY80.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3024 wrote to memory of 4540 3024 cc83cc581546f89de3d069b1ff7d5037ee0675d34a6d73877d20f27684318cb1.exe 83 PID 3024 wrote to memory of 4540 3024 cc83cc581546f89de3d069b1ff7d5037ee0675d34a6d73877d20f27684318cb1.exe 83 PID 3024 wrote to memory of 4540 3024 cc83cc581546f89de3d069b1ff7d5037ee0675d34a6d73877d20f27684318cb1.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\cc83cc581546f89de3d069b1ff7d5037ee0675d34a6d73877d20f27684318cb1.exe"C:\Users\Admin\AppData\Local\Temp\cc83cc581546f89de3d069b1ff7d5037ee0675d34a6d73877d20f27684318cb1.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bkY80.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bkY80.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4540
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2