Analysis
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max time kernel
151s -
max time network
156s -
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, 21:31
Static task
static1
Behavioral task
behavioral1
Sample
3fc8226ca34e50ee384183f405981bfc6efa706a145feebc56385af6bc86e150.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
3fc8226ca34e50ee384183f405981bfc6efa706a145feebc56385af6bc86e150.exe
Resource
win10v2004-20230220-en
General
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Target
3fc8226ca34e50ee384183f405981bfc6efa706a145feebc56385af6bc86e150.exe
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Size
1.2MB
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MD5
aaf108d297fe35a5576b3583d451d82f
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SHA1
8dc5f1e3626821e8da6d1e2b451b0be1803f834c
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SHA256
3fc8226ca34e50ee384183f405981bfc6efa706a145feebc56385af6bc86e150
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SHA512
c37beb49c164b554c12ac2e4d5506c1b68bd9f492601d9b285bf9804f0c46deb5fcd17e9b3025f5bda7451ee0072b8ba2fd53dc925bef5888882f4d86c6e121c
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SSDEEP
24576:r0zwEbpelsnjkyfxpcP7kJxnSnF83PRiGBgy3rIgBQzbypT6bg6gO:r0zNUYjkCcPoJgK3ss+y4bN
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/1676-996-0x00000000078B0000-0x0000000007EC8000-memory.dmp redline_stealer -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 150960642.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection 150960642.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 150960642.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" 150960642.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 150960642.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" 150960642.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 368 xW437664.exe 4512 be231436.exe 2020 150960642.exe 1676 211336502.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 150960642.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 150960642.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\\\"" be231436.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 3fc8226ca34e50ee384183f405981bfc6efa706a145feebc56385af6bc86e150.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\\\"" 3fc8226ca34e50ee384183f405981bfc6efa706a145feebc56385af6bc86e150.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce xW437664.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\\\"" xW437664.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce be231436.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 972 2020 WerFault.exe 86 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2020 150960642.exe 2020 150960642.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2020 150960642.exe Token: SeDebugPrivilege 1676 211336502.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4360 wrote to memory of 368 4360 3fc8226ca34e50ee384183f405981bfc6efa706a145feebc56385af6bc86e150.exe 84 PID 4360 wrote to memory of 368 4360 3fc8226ca34e50ee384183f405981bfc6efa706a145feebc56385af6bc86e150.exe 84 PID 4360 wrote to memory of 368 4360 3fc8226ca34e50ee384183f405981bfc6efa706a145feebc56385af6bc86e150.exe 84 PID 368 wrote to memory of 4512 368 xW437664.exe 85 PID 368 wrote to memory of 4512 368 xW437664.exe 85 PID 368 wrote to memory of 4512 368 xW437664.exe 85 PID 4512 wrote to memory of 2020 4512 be231436.exe 86 PID 4512 wrote to memory of 2020 4512 be231436.exe 86 PID 4512 wrote to memory of 2020 4512 be231436.exe 86 PID 4512 wrote to memory of 1676 4512 be231436.exe 92 PID 4512 wrote to memory of 1676 4512 be231436.exe 92 PID 4512 wrote to memory of 1676 4512 be231436.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\3fc8226ca34e50ee384183f405981bfc6efa706a145feebc56385af6bc86e150.exe"C:\Users\Admin\AppData\Local\Temp\3fc8226ca34e50ee384183f405981bfc6efa706a145feebc56385af6bc86e150.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4360 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xW437664.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xW437664.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\be231436.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\be231436.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4512 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\150960642.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\150960642.exe4⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2020 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 10805⤵
- Program crash
PID:972
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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\211336502.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\211336502.exe4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1676
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2020 -ip 20201⤵PID:4364
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
762KB
MD5f06e39167486fc96f3eeb3ac7407b38b
SHA1f330a5b7b428a395615b8f95c30107e1ab039b7e
SHA25639a59c9411b604de582b4d0defd8af49451ed7bb019e4eb8bf66fee6250edcd8
SHA5124b97f8d7443c6a4b193940f31673283e11b0751fd2594d5485ee1f26985651d3e32bd7cde6ade4150c804aa5c79faaffdbf5cf51ac7a4b0b3c592e3aa13c6048
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Filesize
762KB
MD5f06e39167486fc96f3eeb3ac7407b38b
SHA1f330a5b7b428a395615b8f95c30107e1ab039b7e
SHA25639a59c9411b604de582b4d0defd8af49451ed7bb019e4eb8bf66fee6250edcd8
SHA5124b97f8d7443c6a4b193940f31673283e11b0751fd2594d5485ee1f26985651d3e32bd7cde6ade4150c804aa5c79faaffdbf5cf51ac7a4b0b3c592e3aa13c6048
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Filesize
591KB
MD5b5d38b0b9fec4b6c942b149c0e893bbd
SHA12707e6fac8b5cf387d9fdcc489c9e9f3116c5ee0
SHA256dfb7f1f7c6de8988f69b12dbcc4c9bf2ddb8ddaec696fe86a0be556ca94daadd
SHA5124cbc1419c027daf6a762506c2d83d769758663c0ebbef8a7b1ea04facc20b2dea2774a31996779a06f61231480e1817d19f1b78831459830e960a38eaa6d151e
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Filesize
591KB
MD5b5d38b0b9fec4b6c942b149c0e893bbd
SHA12707e6fac8b5cf387d9fdcc489c9e9f3116c5ee0
SHA256dfb7f1f7c6de8988f69b12dbcc4c9bf2ddb8ddaec696fe86a0be556ca94daadd
SHA5124cbc1419c027daf6a762506c2d83d769758663c0ebbef8a7b1ea04facc20b2dea2774a31996779a06f61231480e1817d19f1b78831459830e960a38eaa6d151e
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Filesize
376KB
MD516143c4bd073fcf8abd2525f982c6190
SHA1549358b2aa895b77df17f1d9fd597ed5b2798478
SHA25614f7f92ecee0d34d1f2d355ecd7c1f45e0c5ed9bb2d2446260f042a9e330bbc9
SHA5120c4d29781074baacd9d75299020938b68058ae91a78217cb07764d3d047af9171ba5f1630da15184c45dd6f20ea0872fdfcc68e6c4a49274eca5d11fe62bd497
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Filesize
376KB
MD516143c4bd073fcf8abd2525f982c6190
SHA1549358b2aa895b77df17f1d9fd597ed5b2798478
SHA25614f7f92ecee0d34d1f2d355ecd7c1f45e0c5ed9bb2d2446260f042a9e330bbc9
SHA5120c4d29781074baacd9d75299020938b68058ae91a78217cb07764d3d047af9171ba5f1630da15184c45dd6f20ea0872fdfcc68e6c4a49274eca5d11fe62bd497
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Filesize
459KB
MD52186dc864e1223afb8e92fe85dc5c4ce
SHA1ee85f66eb3a79d8e1791aebc68ca8992d82ac0c8
SHA256566d0becdc1909aebbb4db85776e196fc0bd50a704f6731286852881723b5b78
SHA512544dfeb63e25fe4dcd761bd653d18bd5fedb3eb24923a99f06415c28cc2f6297e644952f67b824c3a5ba5222afa640166d6e4f019da89e9c9ed469699c977cfa
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Filesize
459KB
MD52186dc864e1223afb8e92fe85dc5c4ce
SHA1ee85f66eb3a79d8e1791aebc68ca8992d82ac0c8
SHA256566d0becdc1909aebbb4db85776e196fc0bd50a704f6731286852881723b5b78
SHA512544dfeb63e25fe4dcd761bd653d18bd5fedb3eb24923a99f06415c28cc2f6297e644952f67b824c3a5ba5222afa640166d6e4f019da89e9c9ed469699c977cfa