Analysis
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max time kernel
85s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2023 03:21
Static task
static1
Behavioral task
behavioral1
Sample
b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe
Resource
win10v2004-20230221-en
General
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Target
b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe
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Size
690KB
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MD5
016c47d118727d44c8f7f83dd84726e5
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SHA1
cb216079ae1c3b0df1b5922480b9be0a388ee7ff
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SHA256
b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b
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SHA512
26a496097144b7e2a656c4d0fff3e870c2478c610035394d542897de433fe0e77f64aa13a84564875ee7fabc5fc6c74878e3ed10d68bb97b476e0edf05a4bb75
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SSDEEP
12288:pMrfy90j7Gwxx6FZgyR65hLuOG1IMZpov3xz2j8R/v3FO/figpeol4niuRJ7M:SyZaSr8faFI/tO/agpeU4iuXM
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
from
176.113.115.145:4125
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auth_value
8633e283485822a4a48f0a41d5397566
Signatures
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Processes:
pro5232.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro5232.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro5232.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro5232.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro5232.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro5232.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro5232.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/3776-191-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-190-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-193-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-195-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-203-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-199-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-205-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-207-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-209-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-211-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-213-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-215-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-217-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-219-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-221-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-223-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-225-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline behavioral1/memory/3776-227-0x0000000005FF0000-0x000000000602F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
un555053.exepro5232.exequ0905.exesi272004.exepid process 1260 un555053.exe 2696 pro5232.exe 3776 qu0905.exe 3088 si272004.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
pro5232.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro5232.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro5232.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
Processes:
b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exeun555053.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe 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\\\"" b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un555053.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\\\"" un555053.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3392 2696 WerFault.exe pro5232.exe 1704 3776 WerFault.exe qu0905.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro5232.exequ0905.exesi272004.exepid process 2696 pro5232.exe 2696 pro5232.exe 3776 qu0905.exe 3776 qu0905.exe 3088 si272004.exe 3088 si272004.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro5232.exequ0905.exesi272004.exedescription pid process Token: SeDebugPrivilege 2696 pro5232.exe Token: SeDebugPrivilege 3776 qu0905.exe Token: SeDebugPrivilege 3088 si272004.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exeun555053.exedescription pid process target process PID 4700 wrote to memory of 1260 4700 b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe un555053.exe PID 4700 wrote to memory of 1260 4700 b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe un555053.exe PID 4700 wrote to memory of 1260 4700 b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe un555053.exe PID 1260 wrote to memory of 2696 1260 un555053.exe pro5232.exe PID 1260 wrote to memory of 2696 1260 un555053.exe pro5232.exe PID 1260 wrote to memory of 2696 1260 un555053.exe pro5232.exe PID 1260 wrote to memory of 3776 1260 un555053.exe qu0905.exe PID 1260 wrote to memory of 3776 1260 un555053.exe qu0905.exe PID 1260 wrote to memory of 3776 1260 un555053.exe qu0905.exe PID 4700 wrote to memory of 3088 4700 b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe si272004.exe PID 4700 wrote to memory of 3088 4700 b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe si272004.exe PID 4700 wrote to memory of 3088 4700 b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe si272004.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe"C:\Users\Admin\AppData\Local\Temp\b6cde16f81c346611c97252d07901b43eb9779e33c73a766d24ea45b03ddec9b.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4700 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un555053.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un555053.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5232.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5232.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2696 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 10804⤵
- Program crash
PID:3392 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0905.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0905.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3776 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3776 -s 13484⤵
- Program crash
PID:1704 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si272004.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si272004.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2696 -ip 26961⤵PID:2096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3776 -ip 37761⤵PID:4788
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5fab35cefef525c26a594a242e40cd4e7
SHA18eb11cc6b068bfcb82695bad5fbcb695461672e6
SHA2560765e3907674635dbfc9f7e399b6ad6e66dc1c674995635b10433b8460dda824
SHA512794d61fc8d39ea5a3faf5281c8d8f41540d293e6d7c84b5d4eeb95df4ffa5cd4d72e06477d5d2fade3aa24ac840a9392a76c87dc6dbd6f6f0e9d4c9ffb7109e1
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Filesize
175KB
MD5fab35cefef525c26a594a242e40cd4e7
SHA18eb11cc6b068bfcb82695bad5fbcb695461672e6
SHA2560765e3907674635dbfc9f7e399b6ad6e66dc1c674995635b10433b8460dda824
SHA512794d61fc8d39ea5a3faf5281c8d8f41540d293e6d7c84b5d4eeb95df4ffa5cd4d72e06477d5d2fade3aa24ac840a9392a76c87dc6dbd6f6f0e9d4c9ffb7109e1
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Filesize
548KB
MD5ce0ac6440d24e9feca57d46d710e726f
SHA127252dae105f535bb1483c53d2446729c419baaa
SHA256f65bde2e08d2e530e48f1ececbb43d87a7c6adbfe17c2cce0278ec3d50055a3e
SHA512341e1973dddd13c44fa550a3228d40c173354f733d635b4a73d1723ae8f70385dd5d0ff8347c7ddf886dab496c15522125c954ab4950b4a79b13cbf0368058b0
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Filesize
548KB
MD5ce0ac6440d24e9feca57d46d710e726f
SHA127252dae105f535bb1483c53d2446729c419baaa
SHA256f65bde2e08d2e530e48f1ececbb43d87a7c6adbfe17c2cce0278ec3d50055a3e
SHA512341e1973dddd13c44fa550a3228d40c173354f733d635b4a73d1723ae8f70385dd5d0ff8347c7ddf886dab496c15522125c954ab4950b4a79b13cbf0368058b0
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Filesize
291KB
MD566fb8fc8549b4fc809a685ca54c3a0fc
SHA12bfae7721cf0ae5fc308c647e045179b87a77a04
SHA256e08024df599e274b2fa82bb1576cf81bd5d7d256bc7163341649ce7d93099674
SHA5129d97bb170b4121be44fcbfade6cc1f86bba641b47c945b6bfcd1f5a012faf88d2e4e6a0c20e39655b930bc2e3fca717d502a9a7d4cbaa237e9e2f76267ae1324
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Filesize
291KB
MD566fb8fc8549b4fc809a685ca54c3a0fc
SHA12bfae7721cf0ae5fc308c647e045179b87a77a04
SHA256e08024df599e274b2fa82bb1576cf81bd5d7d256bc7163341649ce7d93099674
SHA5129d97bb170b4121be44fcbfade6cc1f86bba641b47c945b6bfcd1f5a012faf88d2e4e6a0c20e39655b930bc2e3fca717d502a9a7d4cbaa237e9e2f76267ae1324
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Filesize
345KB
MD519e4f6fa0774d2ef9866f8524c58285c
SHA1a4b3a42e3ea67f56f9fadc5f093e8349d4428d6d
SHA2569af103b0a00758f687c0182190d2fa0b0b69e861e4c657530aef4a00dea76a7f
SHA512ef0b0aa56138dc7048fbb94273c6d95c5e11f1b33f03ab122eb97e1fcec236efbb767d2d41519134cb1b1ee86ec4b03e4163cb5bd54133ffa8dfe53befdd203c
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Filesize
345KB
MD519e4f6fa0774d2ef9866f8524c58285c
SHA1a4b3a42e3ea67f56f9fadc5f093e8349d4428d6d
SHA2569af103b0a00758f687c0182190d2fa0b0b69e861e4c657530aef4a00dea76a7f
SHA512ef0b0aa56138dc7048fbb94273c6d95c5e11f1b33f03ab122eb97e1fcec236efbb767d2d41519134cb1b1ee86ec4b03e4163cb5bd54133ffa8dfe53befdd203c