Analysis
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max time kernel
80s -
max time network
126s -
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 02:26
Static task
static1
Behavioral task
behavioral1
Sample
efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe
Resource
win10v2004-20230221-en
General
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Target
efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe
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Size
689KB
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MD5
c3edbd6e8a9cd01d918e543c2f565ad5
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SHA1
6c6b1b2c9d732f19af6cb93ca34fcecc35faf65f
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SHA256
efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b
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SHA512
7dd7db2f53f35925c44db8026c17697639da199db9bf3b9cd7138c5f2d3fe0a3d134dd98927b2c9f3d6e44b2dffcbd5547e36aacded10d18c998b0591caaa5da
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SSDEEP
12288:UGwUX0PE9LEv2jYWT9BY4DvfOkRTJDfXR0cMQ18gJl24dAIrO:UG70PWrjYG9e4zvDhRGgr24d1O
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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr442228.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr442228.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr442228.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr442228.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr442228.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr442228.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 32 IoCs
resource yara_rule behavioral1/memory/2824-162-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-164-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-161-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-166-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-168-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-170-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-172-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-174-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-176-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-178-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-180-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-182-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-184-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-186-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-188-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-190-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-192-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-194-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-196-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-198-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-200-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-202-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-204-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-206-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-208-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-210-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-212-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-214-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-216-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-218-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-220-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline behavioral1/memory/2824-222-0x00000000027E0000-0x000000000281F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2288 ziWN9837.exe 1280 jr442228.exe 2824 ku242230.exe 2340 lr858066.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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" jr442228.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.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\\\"" efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ziWN9837.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\\\"" ziWN9837.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
pid pid_target Process procid_target 3908 2824 WerFault.exe 90 1436 2884 WerFault.exe 83 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1280 jr442228.exe 1280 jr442228.exe 2824 ku242230.exe 2824 ku242230.exe 2340 lr858066.exe 2340 lr858066.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1280 jr442228.exe Token: SeDebugPrivilege 2824 ku242230.exe Token: SeDebugPrivilege 2340 lr858066.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2884 wrote to memory of 2288 2884 efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe 84 PID 2884 wrote to memory of 2288 2884 efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe 84 PID 2884 wrote to memory of 2288 2884 efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe 84 PID 2288 wrote to memory of 1280 2288 ziWN9837.exe 85 PID 2288 wrote to memory of 1280 2288 ziWN9837.exe 85 PID 2288 wrote to memory of 2824 2288 ziWN9837.exe 90 PID 2288 wrote to memory of 2824 2288 ziWN9837.exe 90 PID 2288 wrote to memory of 2824 2288 ziWN9837.exe 90 PID 2884 wrote to memory of 2340 2884 efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe 96 PID 2884 wrote to memory of 2340 2884 efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe 96 PID 2884 wrote to memory of 2340 2884 efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe"C:\Users\Admin\AppData\Local\Temp\efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziWN9837.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziWN9837.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr442228.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr442228.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1280
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku242230.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku242230.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2824 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 17884⤵
- Program crash
PID:3908
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr858066.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr858066.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 4842⤵
- Program crash
PID:1436
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2824 -ip 28241⤵PID:3356
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2884 -ip 28841⤵PID:3980
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD51b3d3d0bf1647846b849417c66e1eb61
SHA140f6bdf5d300c13ff57027aacc86e9014411be3d
SHA25632c9fff9e4880f6467fb1f2afb1f8496e249aac09aff74664854ef97c5315f79
SHA51292e1ad76f815de419a37f0b110c60a84e9b84da8aa67697857048303d50e6b8f7b862d51f880600c94a14ca6ad1907c9ea006f44b32c67bc1f42da5b83a63a3c
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Filesize
175KB
MD51b3d3d0bf1647846b849417c66e1eb61
SHA140f6bdf5d300c13ff57027aacc86e9014411be3d
SHA25632c9fff9e4880f6467fb1f2afb1f8496e249aac09aff74664854ef97c5315f79
SHA51292e1ad76f815de419a37f0b110c60a84e9b84da8aa67697857048303d50e6b8f7b862d51f880600c94a14ca6ad1907c9ea006f44b32c67bc1f42da5b83a63a3c
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Filesize
412KB
MD5919bda41ac3a51959a04239e18ae15f5
SHA1d22c97a616604dc7b8e40d076d53248c951e01eb
SHA256fe731f162020686b125737a3122f0da5da067d03c96b59518b08f0e378da52cc
SHA51222f6d9efffe89643c8662017b11a608937c112ecf77bb872017deda930b98c84a32a32a84b15eec601216e85c0b72551e19be86c36b591f7abb021f90e3bb29e
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Filesize
412KB
MD5919bda41ac3a51959a04239e18ae15f5
SHA1d22c97a616604dc7b8e40d076d53248c951e01eb
SHA256fe731f162020686b125737a3122f0da5da067d03c96b59518b08f0e378da52cc
SHA51222f6d9efffe89643c8662017b11a608937c112ecf77bb872017deda930b98c84a32a32a84b15eec601216e85c0b72551e19be86c36b591f7abb021f90e3bb29e
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Filesize
11KB
MD53411190db00a24305e218735da30dd43
SHA1f3eab1bbd0107864958415ba9540e961d6608ac1
SHA25658414c076a849c89a7bae1b4465cac97e6a5a1d4124acb9e3a72fd17cb955b6c
SHA5127e11fb765506bb47d43c6a0ed4a756ce5cf05751c19b9f7d27efe3ad15a6437dbb9a1fdfc3b771b7596cae96a1b17d01766f214e90fa264194cbfd7bc8e948e8
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Filesize
11KB
MD53411190db00a24305e218735da30dd43
SHA1f3eab1bbd0107864958415ba9540e961d6608ac1
SHA25658414c076a849c89a7bae1b4465cac97e6a5a1d4124acb9e3a72fd17cb955b6c
SHA5127e11fb765506bb47d43c6a0ed4a756ce5cf05751c19b9f7d27efe3ad15a6437dbb9a1fdfc3b771b7596cae96a1b17d01766f214e90fa264194cbfd7bc8e948e8
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Filesize
365KB
MD510e54a934dcf8cc1a605932adaa1e52b
SHA1d5159b84191c3b070dd33bb09b8749dddc8bc8db
SHA2568d9f9001387f6f8917dccead652d66d05642c4fa72f07745e0755e4dfda36ccc
SHA51240a0efe89f4246c1c23f5dd701aec060305b99a0734bedf6d612be14e40995f924764e62d9450ca3098e268290485dc75732543939df5699335800115d4e90c1
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Filesize
365KB
MD510e54a934dcf8cc1a605932adaa1e52b
SHA1d5159b84191c3b070dd33bb09b8749dddc8bc8db
SHA2568d9f9001387f6f8917dccead652d66d05642c4fa72f07745e0755e4dfda36ccc
SHA51240a0efe89f4246c1c23f5dd701aec060305b99a0734bedf6d612be14e40995f924764e62d9450ca3098e268290485dc75732543939df5699335800115d4e90c1