Analysis
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max time kernel
144s -
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
07-05-2023 01:54
Static task
static1
Behavioral task
behavioral1
Sample
4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe
Resource
win10v2004-20230220-en
General
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Target
4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe
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Size
686KB
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MD5
3c621601ec170837b121300ec549fdfa
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SHA1
45335d9e83de2198e7841d2eac51f048e87d6b98
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SHA256
4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8
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SHA512
6d1e0ba7aceceea2ab58e8fa0e68d047c76f54dd9047b78edc3daaaf886336014f4d9e069a7336416a3b8dedfde77bee3986fa33293d0593b45c5df5983d7032
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SSDEEP
12288:Ay908z1WEkGc3gWaySF7yCSAx5EJOGuYX8159v2O6HPAo:AyZAEMQRxhSEGuo8L98HPAo
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/1956-988-0x0000000009D60000-0x000000000A378000-memory.dmp redline_stealer -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection 05530109.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 05530109.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" 05530109.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 05530109.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" 05530109.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 05530109.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Executes dropped EXE 3 IoCs
pid Process 2496 un526409.exe 4416 05530109.exe 1956 rk329590.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 05530109.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 05530109.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un526409.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\\\"" un526409.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.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\\\"" 4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1016 4416 WerFault.exe 83 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4416 05530109.exe 4416 05530109.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4416 05530109.exe Token: SeDebugPrivilege 1956 rk329590.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4552 wrote to memory of 2496 4552 4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe 82 PID 4552 wrote to memory of 2496 4552 4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe 82 PID 4552 wrote to memory of 2496 4552 4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe 82 PID 2496 wrote to memory of 4416 2496 un526409.exe 83 PID 2496 wrote to memory of 4416 2496 un526409.exe 83 PID 2496 wrote to memory of 4416 2496 un526409.exe 83 PID 2496 wrote to memory of 1956 2496 un526409.exe 87 PID 2496 wrote to memory of 1956 2496 un526409.exe 87 PID 2496 wrote to memory of 1956 2496 un526409.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe"C:\Users\Admin\AppData\Local\Temp\4e8687bad988b784fb98e3ef60ee3b73931fe7516c8301c6cbbcc45ae933f6d8.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un526409.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un526409.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\05530109.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4416 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 10884⤵
- Program crash
PID:1016
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk329590.exe3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4416 -ip 44161⤵PID:2120
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
532KB
MD515eb9137c9576bbb79715b696544cf10
SHA17f44d4a2187fbc294554acc95c223d83cc7e22fd
SHA256943fbf33bc796093b54f1d19caa77cc1bf62a76fbabf05453f5a633d0c691bc0
SHA512882ec5aeb7b50ff199d9b89194c17eea9de20a54ef362031deaaf32d59f457b7ef5a82859cd6ae7f55c26ebbc2b80289cc79b02651770fc200e7efb62712ec49
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Filesize
532KB
MD515eb9137c9576bbb79715b696544cf10
SHA17f44d4a2187fbc294554acc95c223d83cc7e22fd
SHA256943fbf33bc796093b54f1d19caa77cc1bf62a76fbabf05453f5a633d0c691bc0
SHA512882ec5aeb7b50ff199d9b89194c17eea9de20a54ef362031deaaf32d59f457b7ef5a82859cd6ae7f55c26ebbc2b80289cc79b02651770fc200e7efb62712ec49
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Filesize
249KB
MD5967294b8bf41a79cf7b5fcca0bf4f78d
SHA1b82418500993ff888c355a625c1b4302adce317d
SHA256c131b87df8ff43eeabf1f00559a0f7407ee469e8e26e2cfa4792400a1f2402f0
SHA512ce79803e83c9154eb01c396cfbaaeb18e3473ed590a6349c658f262a1b423cdc88540b2c80d6d94d486bdedee0c247777f8ceeb73973319473ac3a715819b600
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Filesize
249KB
MD5967294b8bf41a79cf7b5fcca0bf4f78d
SHA1b82418500993ff888c355a625c1b4302adce317d
SHA256c131b87df8ff43eeabf1f00559a0f7407ee469e8e26e2cfa4792400a1f2402f0
SHA512ce79803e83c9154eb01c396cfbaaeb18e3473ed590a6349c658f262a1b423cdc88540b2c80d6d94d486bdedee0c247777f8ceeb73973319473ac3a715819b600
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Filesize
332KB
MD5cf03b24cbdc27f345241f556c6c929fc
SHA122dfb8131813135a0448a8d878114003071a66e6
SHA25635d13a3b544afaac9b2f579ce50a9883d17ad0c73c8a0c33920ac77cbf49cb5a
SHA512b7a8418f066a0cd7e823fb8a5e115ee41a4fcbc1a95efce617ebad13fd8f04f2ba6bbcc59ac357719267d24dfeb4584b8abd985cc07093e79b1312ffc73cf513
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Filesize
332KB
MD5cf03b24cbdc27f345241f556c6c929fc
SHA122dfb8131813135a0448a8d878114003071a66e6
SHA25635d13a3b544afaac9b2f579ce50a9883d17ad0c73c8a0c33920ac77cbf49cb5a
SHA512b7a8418f066a0cd7e823fb8a5e115ee41a4fcbc1a95efce617ebad13fd8f04f2ba6bbcc59ac357719267d24dfeb4584b8abd985cc07093e79b1312ffc73cf513