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Analysis
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max time kernel
187s -
max time network
196s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
05/05/2023, 20:34
Static task
static1
Behavioral task
behavioral1
Sample
f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe
Resource
win10v2004-20230220-en
General
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Target
f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe
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Size
1.2MB
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MD5
ffb6bc29fe1a2b1347a302e3587dff19
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SHA1
ef527cb80e691e5a51da552fd7e334032f309421
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SHA256
f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f
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SHA512
f1239c70d4d2726b63a72a36c1a3da63d4f8a1998261e1c78aa7b587a88a960850b086601d1e2043e00066e7aff800dc6c6eca460b70b313363c4d0ecc164bf6
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SSDEEP
24576:Fj3DX6L44JAoqyf2Bh1F/tSs8mL2U7wucjiw017bw1xq9poyMmem:Fj76L+oqyf2Bl/ksdr754iw017bmw
Malware Config
Signatures
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Detects Redline Stealer samples 1 IoCs
This rule detects the presence of Redline Stealer samples based on their unique strings.
resource yara_rule behavioral2/memory/1152-1006-0x00000000078B0000-0x0000000007EC8000-memory.dmp redline_stealer -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection 137239924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 137239924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" 137239924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 137239924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" 137239924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 137239924.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Executes dropped EXE 4 IoCs
pid Process 4404 qv264349.exe 1600 gv434705.exe 1348 137239924.exe 1152 217307972.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 137239924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 137239924.exe -
Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.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\\\"" f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce qv264349.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\\\"" qv264349.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce gv434705.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" gv434705.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3508 1348 WerFault.exe 86 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1348 137239924.exe 1348 137239924.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1348 137239924.exe Token: SeDebugPrivilege 1152 217307972.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1260 wrote to memory of 4404 1260 f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe 84 PID 1260 wrote to memory of 4404 1260 f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe 84 PID 1260 wrote to memory of 4404 1260 f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe 84 PID 4404 wrote to memory of 1600 4404 qv264349.exe 85 PID 4404 wrote to memory of 1600 4404 qv264349.exe 85 PID 4404 wrote to memory of 1600 4404 qv264349.exe 85 PID 1600 wrote to memory of 1348 1600 gv434705.exe 86 PID 1600 wrote to memory of 1348 1600 gv434705.exe 86 PID 1600 wrote to memory of 1348 1600 gv434705.exe 86 PID 1600 wrote to memory of 1152 1600 gv434705.exe 89 PID 1600 wrote to memory of 1152 1600 gv434705.exe 89 PID 1600 wrote to memory of 1152 1600 gv434705.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe"C:\Users\Admin\AppData\Local\Temp\f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qv264349.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qv264349.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4404 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\gv434705.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\gv434705.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\137239924.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\137239924.exe4⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1348 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 10885⤵
- Program crash
PID:3508
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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\217307972.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\217307972.exe4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1348 -ip 13481⤵PID:4740
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
763KB
MD50e3a87f5fbde6985aa586bb53da140d8
SHA1f87d70a6bf68b017be78540cbceb35d9cf3267e8
SHA256d13043c44eca8a7eb2415dc218d87a5d9b561783ff92d215dfb248b38d20b423
SHA51252ec3ad56b9e3edb497ad4f2fd916162fbf35020b9c8931f31dff6e374ea505d42144a4ddb8e77214d2a562f3d15ea58bf091ca612826975cbcac72db1ae251c
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Filesize
763KB
MD50e3a87f5fbde6985aa586bb53da140d8
SHA1f87d70a6bf68b017be78540cbceb35d9cf3267e8
SHA256d13043c44eca8a7eb2415dc218d87a5d9b561783ff92d215dfb248b38d20b423
SHA51252ec3ad56b9e3edb497ad4f2fd916162fbf35020b9c8931f31dff6e374ea505d42144a4ddb8e77214d2a562f3d15ea58bf091ca612826975cbcac72db1ae251c
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Filesize
592KB
MD5dbf7b7943e0bbfbfe2ff3081429310c2
SHA14633b71d0234283b80e9cd8cf3ae8a638866b8d0
SHA25693394041a467699908ec68b26301930ab36f0bf0164bde2a1b195f6c9b919d2d
SHA512884eb3bd5c1cca47c47406ff2834129ee971b2480659450bb775b39cdf3a7ade843e2a359ab5b76bd7bd04877698c1fa58df484daa80a6433e0757d3ac4f803e
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Filesize
592KB
MD5dbf7b7943e0bbfbfe2ff3081429310c2
SHA14633b71d0234283b80e9cd8cf3ae8a638866b8d0
SHA25693394041a467699908ec68b26301930ab36f0bf0164bde2a1b195f6c9b919d2d
SHA512884eb3bd5c1cca47c47406ff2834129ee971b2480659450bb775b39cdf3a7ade843e2a359ab5b76bd7bd04877698c1fa58df484daa80a6433e0757d3ac4f803e
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Filesize
376KB
MD5808c6015ca73ae5171c3cb969a156c6b
SHA13ab3439a5c48623a248166eed4f20e73437b2e36
SHA256bb8e0f54593b23da5b272eb1734b6eec66f09d07b2699162f8e77b73094346fc
SHA512a1821b2168460260a28aeb0b881be02e264f4abbf8ef3800f3ac442da72667bfb3406b6941ceea92e86a50e764f0e882c3d767766ed88ac71c34809002ca6483
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Filesize
376KB
MD5808c6015ca73ae5171c3cb969a156c6b
SHA13ab3439a5c48623a248166eed4f20e73437b2e36
SHA256bb8e0f54593b23da5b272eb1734b6eec66f09d07b2699162f8e77b73094346fc
SHA512a1821b2168460260a28aeb0b881be02e264f4abbf8ef3800f3ac442da72667bfb3406b6941ceea92e86a50e764f0e882c3d767766ed88ac71c34809002ca6483
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Filesize
459KB
MD528c9569fdfa17a87ada4d354430339f8
SHA1d14414d275ead078c603ff60c08ce452475d3c5a
SHA2563640ff98e63f79701d453338015bb2053e359016fb7e0d82b681b751adae04b1
SHA512354bf9c17a39487f5d3125eb7aff5735f9fe7eb5a926d78f21ce5d0f7ee532da15b0b231151b772a2b6f79707e3eb21f77968a98ce59c31179ea62dac82d1610
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Filesize
459KB
MD528c9569fdfa17a87ada4d354430339f8
SHA1d14414d275ead078c603ff60c08ce452475d3c5a
SHA2563640ff98e63f79701d453338015bb2053e359016fb7e0d82b681b751adae04b1
SHA512354bf9c17a39487f5d3125eb7aff5735f9fe7eb5a926d78f21ce5d0f7ee532da15b0b231151b772a2b6f79707e3eb21f77968a98ce59c31179ea62dac82d1610