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Analysis
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max time kernel
141s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
06/05/2023, 21:00
Static task
static1
Behavioral task
behavioral1
Sample
251a3e306621ec02865c2871a4e666531c49b9c6e16fac078a5fbe46eee08a4c.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
251a3e306621ec02865c2871a4e666531c49b9c6e16fac078a5fbe46eee08a4c.exe
Resource
win10v2004-20230220-en
General
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Target
251a3e306621ec02865c2871a4e666531c49b9c6e16fac078a5fbe46eee08a4c.exe
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Size
1.2MB
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MD5
58806eb7b40570803bfd19fe66ae01bf
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SHA1
cf1b3c766ed2e82363c1c0ca73d1bbd361f9a131
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SHA256
251a3e306621ec02865c2871a4e666531c49b9c6e16fac078a5fbe46eee08a4c
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SHA512
4f98854223ebbbeefccc31b97b3c34268c2217977ecbf6a299937710c472bdef4cff7480226ac25f5063127bb2a06245ba993f3f7f3342013b33d5eeb96579f3
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SSDEEP
24576:Fc9RstFRHwzmMZlFXCTYaOo2QduHmp8tagFhXskm:FcQrSmdcpOdp/gX
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/2468-998-0x00000000078B0000-0x0000000007EC8000-memory.dmp redline_stealer -
description ioc Process 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 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 -
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 4680 qv264349.exe 1400 gv434705.exe 2388 137239924.exe 2468 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 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 Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 251a3e306621ec02865c2871a4e666531c49b9c6e16fac078a5fbe46eee08a4c.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\\\"" 251a3e306621ec02865c2871a4e666531c49b9c6e16fac078a5fbe46eee08a4c.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 -
Program crash 1 IoCs
pid pid_target Process procid_target 2580 2388 WerFault.exe 85 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2388 137239924.exe 2388 137239924.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2388 137239924.exe Token: SeDebugPrivilege 2468 217307972.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2868 wrote to memory of 4680 2868 251a3e306621ec02865c2871a4e666531c49b9c6e16fac078a5fbe46eee08a4c.exe 83 PID 2868 wrote to memory of 4680 2868 251a3e306621ec02865c2871a4e666531c49b9c6e16fac078a5fbe46eee08a4c.exe 83 PID 2868 wrote to memory of 4680 2868 251a3e306621ec02865c2871a4e666531c49b9c6e16fac078a5fbe46eee08a4c.exe 83 PID 4680 wrote to memory of 1400 4680 qv264349.exe 84 PID 4680 wrote to memory of 1400 4680 qv264349.exe 84 PID 4680 wrote to memory of 1400 4680 qv264349.exe 84 PID 1400 wrote to memory of 2388 1400 gv434705.exe 85 PID 1400 wrote to memory of 2388 1400 gv434705.exe 85 PID 1400 wrote to memory of 2388 1400 gv434705.exe 85 PID 1400 wrote to memory of 2468 1400 gv434705.exe 95 PID 1400 wrote to memory of 2468 1400 gv434705.exe 95 PID 1400 wrote to memory of 2468 1400 gv434705.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\251a3e306621ec02865c2871a4e666531c49b9c6e16fac078a5fbe46eee08a4c.exe"C:\Users\Admin\AppData\Local\Temp\251a3e306621ec02865c2871a4e666531c49b9c6e16fac078a5fbe46eee08a4c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2868 -
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:4680 -
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:1400 -
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:2388 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 10805⤵
- Program crash
PID:2580
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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:2468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2388 -ip 23881⤵PID:4768
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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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