Analysis
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max time kernel
82s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2023, 16:41
Static task
static1
Behavioral task
behavioral1
Sample
43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.exe
Resource
win10v2004-20230220-en
General
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Target
43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.exe
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Size
522KB
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MD5
928460d3fa08993d33b78cfe014662a4
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SHA1
653205f6e43076b554f4bdedf8e6e0644e5946b7
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SHA256
43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8
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SHA512
289bca58652b46398422cef0a11788fb4991182e8bdc229b180c901620b94dea4a5f057d87b090f84150936f13e475ca2036c425c583a4fd914b9abfa02e0c41
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SSDEEP
12288:vMrLy90Wb63zkeIM355/5s3R24ssrLi5sr6EGV9O:YyT631p5QR7ss65srqVE
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
spora
176.113.115.145:4125
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auth_value
441b39ab37774b2ca9931c31e1bc6071
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr536167.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr536167.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr536167.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr536167.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr536167.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr536167.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
resource yara_rule behavioral1/memory/736-157-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-160-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-158-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-162-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-166-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-168-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-164-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-170-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-172-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-174-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-176-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-178-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-180-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-182-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-184-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-186-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-188-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-190-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-192-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-194-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-196-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-198-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-200-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-202-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-204-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-206-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-208-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-210-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-212-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-214-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-216-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-218-0x0000000002750000-0x000000000278F000-memory.dmp family_redline behavioral1/memory/736-220-0x0000000002750000-0x000000000278F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1688 zigA3267.exe 4596 jr536167.exe 736 ku403963.exe 3744 lr076561.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" jr536167.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 43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.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\\\"" 43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce zigA3267.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\\\"" zigA3267.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 1 IoCs
pid pid_target Process procid_target 940 736 WerFault.exe 86 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4596 jr536167.exe 4596 jr536167.exe 736 ku403963.exe 736 ku403963.exe 3744 lr076561.exe 3744 lr076561.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4596 jr536167.exe Token: SeDebugPrivilege 736 ku403963.exe Token: SeDebugPrivilege 3744 lr076561.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4192 wrote to memory of 1688 4192 43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.exe 84 PID 4192 wrote to memory of 1688 4192 43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.exe 84 PID 4192 wrote to memory of 1688 4192 43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.exe 84 PID 1688 wrote to memory of 4596 1688 zigA3267.exe 85 PID 1688 wrote to memory of 4596 1688 zigA3267.exe 85 PID 1688 wrote to memory of 736 1688 zigA3267.exe 86 PID 1688 wrote to memory of 736 1688 zigA3267.exe 86 PID 1688 wrote to memory of 736 1688 zigA3267.exe 86 PID 4192 wrote to memory of 3744 4192 43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.exe 90 PID 4192 wrote to memory of 3744 4192 43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.exe 90 PID 4192 wrote to memory of 3744 4192 43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.exe"C:\Users\Admin\AppData\Local\Temp\43a039154f510bc108d55885884e2b80466a01115bdfa18f56eac2e4f95e19a8.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4192 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zigA3267.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zigA3267.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr536167.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr536167.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4596
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku403963.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku403963.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:736 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 13444⤵
- Program crash
PID:940
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr076561.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr076561.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 736 -ip 7361⤵PID:3696
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175KB
MD5bb6d43fa4ebafe62b98ec4dea4ff49d9
SHA1d8188e664ac977f59d3ec26589e3cf67b1fab23b
SHA2561d1cdf01afc38fc6784a41fe8aa2f308ec44606d2d16c4edd9445813af33fe89
SHA512679a0e394c5751020c38ceaba6a1bd1a33c558b8c9142fc796fa3570baa0ac082d099891451fde50249e165625b9738ead7321dccf2b2da567f3f7e3d4ee4644
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Filesize
175KB
MD5bb6d43fa4ebafe62b98ec4dea4ff49d9
SHA1d8188e664ac977f59d3ec26589e3cf67b1fab23b
SHA2561d1cdf01afc38fc6784a41fe8aa2f308ec44606d2d16c4edd9445813af33fe89
SHA512679a0e394c5751020c38ceaba6a1bd1a33c558b8c9142fc796fa3570baa0ac082d099891451fde50249e165625b9738ead7321dccf2b2da567f3f7e3d4ee4644
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Filesize
379KB
MD5c361347c72d77e12b9c0581b895474c1
SHA10da7fca71cf1dcea4d4764f15d0b0c6ca9edbf54
SHA256a42c1ff840bb3b751fcf88c3defa2d3dde40d04ea5fcf6c068e59416cfd5c4f2
SHA512db25a4f71b087bcf70853aef2678158f75e2e1cf748fa37e6018a2e8b50c11278f3b4bfb8d4b2dd9600b294de196058fd533bcc6da85d0ea25354e320bf8ddd7
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Filesize
379KB
MD5c361347c72d77e12b9c0581b895474c1
SHA10da7fca71cf1dcea4d4764f15d0b0c6ca9edbf54
SHA256a42c1ff840bb3b751fcf88c3defa2d3dde40d04ea5fcf6c068e59416cfd5c4f2
SHA512db25a4f71b087bcf70853aef2678158f75e2e1cf748fa37e6018a2e8b50c11278f3b4bfb8d4b2dd9600b294de196058fd533bcc6da85d0ea25354e320bf8ddd7
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Filesize
15KB
MD58e97aada86b8e1d413f76fd60d60640d
SHA135a68e2d6c8f61b93cba0598c4687f8666cb656b
SHA2562d5dfa17606a5680fccac03c5525c445c20e69e3a0267c400af9fd81e6cb5a96
SHA5120e7be97531dc90cf301712074341423cb7a7dee134c41eba0f2493a2de9da840ccb8d37f275dff74c97f7215e7d966045594b8edb20bc1eaa42de79e4c820b73
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Filesize
15KB
MD58e97aada86b8e1d413f76fd60d60640d
SHA135a68e2d6c8f61b93cba0598c4687f8666cb656b
SHA2562d5dfa17606a5680fccac03c5525c445c20e69e3a0267c400af9fd81e6cb5a96
SHA5120e7be97531dc90cf301712074341423cb7a7dee134c41eba0f2493a2de9da840ccb8d37f275dff74c97f7215e7d966045594b8edb20bc1eaa42de79e4c820b73
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Filesize
295KB
MD5235cf9b0d2c3791118f8776792c2c82c
SHA19c7a9e6108978c48f0169d5334a3119c47e6df3d
SHA256d48c1333b7753978d79fd1adab8e664fa0af43c41d59cd9fd3b497b540e0242c
SHA5122eec27c165cbc768c85fa93cb35c1cfaa36dac80bbb833f381a116fbb1d62a2981d99ba167b566a23b640ce8494f08d00962a9d7fd8a8d604590e73c153262eb
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Filesize
295KB
MD5235cf9b0d2c3791118f8776792c2c82c
SHA19c7a9e6108978c48f0169d5334a3119c47e6df3d
SHA256d48c1333b7753978d79fd1adab8e664fa0af43c41d59cd9fd3b497b540e0242c
SHA5122eec27c165cbc768c85fa93cb35c1cfaa36dac80bbb833f381a116fbb1d62a2981d99ba167b566a23b640ce8494f08d00962a9d7fd8a8d604590e73c153262eb