Analysis
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max time kernel
55s -
max time network
149s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
27-03-2023 20:08
Static task
static1
Behavioral task
behavioral1
Sample
aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.exe
Resource
win10-20230220-en
General
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Target
aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.exe
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Size
694KB
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MD5
578f1ae62a08a1c3fabfe7a400a52b0b
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SHA1
6da7d41d45e86cd9a3c59b9deed76c7fb81d7e8d
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SHA256
aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341
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SHA512
ac2616d27064193723b306aa44c8c2a348579e2e3d4e937fc2b52dd5060a015c3429ea92de43b28d79245faa5fc8a9bd9fa7cd89edbdbce303ddc9dcecb2f8fa
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SSDEEP
12288:pMr2y90ITdAPjyi9p0WM7dSDthj6kuPley00D8QsCvPSlzkfaJJ5T65EICs1j:TyJiyIp0ndSxYkeleJ08QRylkCJT651j
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\DisableRealtimeMonitoring = "1" pro1538.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro1538.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro1538.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro1538.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro1538.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 22 IoCs
resource yara_rule behavioral1/memory/3048-180-0x00000000025D0000-0x0000000002616000-memory.dmp family_redline behavioral1/memory/3048-181-0x0000000004CD0000-0x0000000004D14000-memory.dmp family_redline behavioral1/memory/3048-183-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-185-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-182-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-187-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-189-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-191-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-193-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-195-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-197-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-199-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-201-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-203-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-205-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-207-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-209-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-211-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-213-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-215-0x0000000004CD0000-0x0000000004D0F000-memory.dmp family_redline behavioral1/memory/3048-1101-0x0000000004E40000-0x0000000004E50000-memory.dmp family_redline behavioral1/memory/3048-1102-0x0000000004E40000-0x0000000004E50000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2120 un046543.exe 4248 pro1538.exe 3048 qu3699.exe 4176 si233771.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\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro1538.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro1538.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 aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.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\\\"" aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un046543.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\\\"" un046543.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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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4248 pro1538.exe 4248 pro1538.exe 3048 qu3699.exe 3048 qu3699.exe 4176 si233771.exe 4176 si233771.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4248 pro1538.exe Token: SeDebugPrivilege 3048 qu3699.exe Token: SeDebugPrivilege 4176 si233771.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 5044 wrote to memory of 2120 5044 aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.exe 66 PID 5044 wrote to memory of 2120 5044 aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.exe 66 PID 5044 wrote to memory of 2120 5044 aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.exe 66 PID 2120 wrote to memory of 4248 2120 un046543.exe 67 PID 2120 wrote to memory of 4248 2120 un046543.exe 67 PID 2120 wrote to memory of 4248 2120 un046543.exe 67 PID 2120 wrote to memory of 3048 2120 un046543.exe 68 PID 2120 wrote to memory of 3048 2120 un046543.exe 68 PID 2120 wrote to memory of 3048 2120 un046543.exe 68 PID 5044 wrote to memory of 4176 5044 aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.exe 70 PID 5044 wrote to memory of 4176 5044 aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.exe 70 PID 5044 wrote to memory of 4176 5044 aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.exe"C:\Users\Admin\AppData\Local\Temp\aa7bca2d2173308a37ffcf2ffb75b9ac6f2711cc413fb7398efe0de5645ea341.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un046543.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un046543.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1538.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1538.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4248
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3699.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3699.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3048
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si233771.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si233771.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4176
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5837a0f338e278dfec631b3ef271a55de
SHA15276fbb3cecbea253f5cf25aa37abc68c491ce71
SHA2564780de31ae3d747702c03ac43643b9dbedb11a00915e5b92745e4314bb6f49fd
SHA51279748972fc7e411ae3034292421e04713f0fe4d68e37143366d602634becefc6c8ced35f0fb4c95b179e36398b760eeb9198ea5519a143b4346b499ef413d836
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Filesize
175KB
MD5837a0f338e278dfec631b3ef271a55de
SHA15276fbb3cecbea253f5cf25aa37abc68c491ce71
SHA2564780de31ae3d747702c03ac43643b9dbedb11a00915e5b92745e4314bb6f49fd
SHA51279748972fc7e411ae3034292421e04713f0fe4d68e37143366d602634becefc6c8ced35f0fb4c95b179e36398b760eeb9198ea5519a143b4346b499ef413d836
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Filesize
553KB
MD5e128e6ce1d3d9d6af130d95288a81f0a
SHA1cae02fbe64046a3f2a6156c790d174f70a651b9e
SHA256ce16dfecb175a3e578ceca6c9cc86ac64c21b4fc303a5b7e577e577c0c381f32
SHA512397c11d742728463559cf493a91cea5152083751ce2ee622b54060e20950a35a38da525dce10321d7ff68f7117672da2431773671ca630a990122702f278cefa
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Filesize
553KB
MD5e128e6ce1d3d9d6af130d95288a81f0a
SHA1cae02fbe64046a3f2a6156c790d174f70a651b9e
SHA256ce16dfecb175a3e578ceca6c9cc86ac64c21b4fc303a5b7e577e577c0c381f32
SHA512397c11d742728463559cf493a91cea5152083751ce2ee622b54060e20950a35a38da525dce10321d7ff68f7117672da2431773671ca630a990122702f278cefa
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Filesize
308KB
MD543cc0d0422d9ba25b731b5cc83bd7669
SHA1eba65c5d39f5660b5650fa8b33c442e3a43c87b5
SHA25655fe65c57fa3e5ec2e126ae94a56a10a9b659cc9854e53292cb04066981133cd
SHA512a97dd5e03feff1a1b160ee491c07205bcca5958b8fc2fe2fe43fa81a3d46bc22c0c0a141d2f3a902caff6be2b0226dfd06d93e0c69d524d5927ac0be41ad3f17
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Filesize
308KB
MD543cc0d0422d9ba25b731b5cc83bd7669
SHA1eba65c5d39f5660b5650fa8b33c442e3a43c87b5
SHA25655fe65c57fa3e5ec2e126ae94a56a10a9b659cc9854e53292cb04066981133cd
SHA512a97dd5e03feff1a1b160ee491c07205bcca5958b8fc2fe2fe43fa81a3d46bc22c0c0a141d2f3a902caff6be2b0226dfd06d93e0c69d524d5927ac0be41ad3f17
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Filesize
366KB
MD57231b694a4a87c188a57991ab1263de7
SHA1179b3bc3326a57b3489a2e2fa2b08c1ffb238c63
SHA256cefa6e8d9ff9e91d4c099fa792d8072e42be9c9e3404af6350d5087182737f21
SHA51271735460f2d56e05e4f756f6ca21169174beec5d8480a2623bc22aa56824503e2554e92330adf6691f419f0274c008aa09df00b32a0715503d760cda0c7f3dab
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Filesize
366KB
MD57231b694a4a87c188a57991ab1263de7
SHA1179b3bc3326a57b3489a2e2fa2b08c1ffb238c63
SHA256cefa6e8d9ff9e91d4c099fa792d8072e42be9c9e3404af6350d5087182737f21
SHA51271735460f2d56e05e4f756f6ca21169174beec5d8480a2623bc22aa56824503e2554e92330adf6691f419f0274c008aa09df00b32a0715503d760cda0c7f3dab