Analysis
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max time kernel
55s -
max time network
65s -
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 20:10
Static task
static1
Behavioral task
behavioral1
Sample
ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.exe
Resource
win10-20230220-en
General
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Target
ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.exe
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Size
695KB
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MD5
b1173a8058193fa04e9fd1c36146c660
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SHA1
8ad7cfda39b0ff058ec33fd65ce766bff31197a8
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SHA256
ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c
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SHA512
ccc2673b2edee78c948209428dd12735f838fe82aed6225e72156e88899c41b088a28b950896fc21a2e180dac68c10d1f36394338fb2e832795edfacb0a21cac
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SSDEEP
12288:3MrNy90k8ciQT/j1Gl3k1UPCl1gCcke95QTlD3pvPS1z4zRJara9i4+XS:Wyz1T7Cb8jhMOpy141g0x+C
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\DisableIOAVProtection = "1" pro6033.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro6033.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro6033.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro6033.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro6033.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
resource yara_rule behavioral1/memory/2164-178-0x0000000002490000-0x00000000024D6000-memory.dmp family_redline behavioral1/memory/2164-179-0x0000000002660000-0x00000000026A4000-memory.dmp family_redline behavioral1/memory/2164-180-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-183-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-185-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-181-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-187-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-189-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-191-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-193-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-195-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-197-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-199-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-201-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-203-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-205-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-207-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-209-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-211-0x0000000002660000-0x000000000269F000-memory.dmp family_redline behavioral1/memory/2164-214-0x0000000002660000-0x000000000269F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2392 un842355.exe 2672 pro6033.exe 2164 qu2958.exe 4468 si843426.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 Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro6033.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro6033.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 ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.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\\\"" ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un842355.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\\\"" un842355.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 2672 pro6033.exe 2672 pro6033.exe 2164 qu2958.exe 2164 qu2958.exe 4468 si843426.exe 4468 si843426.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2672 pro6033.exe Token: SeDebugPrivilege 2164 qu2958.exe Token: SeDebugPrivilege 4468 si843426.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2320 wrote to memory of 2392 2320 ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.exe 66 PID 2320 wrote to memory of 2392 2320 ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.exe 66 PID 2320 wrote to memory of 2392 2320 ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.exe 66 PID 2392 wrote to memory of 2672 2392 un842355.exe 67 PID 2392 wrote to memory of 2672 2392 un842355.exe 67 PID 2392 wrote to memory of 2672 2392 un842355.exe 67 PID 2392 wrote to memory of 2164 2392 un842355.exe 68 PID 2392 wrote to memory of 2164 2392 un842355.exe 68 PID 2392 wrote to memory of 2164 2392 un842355.exe 68 PID 2320 wrote to memory of 4468 2320 ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.exe 70 PID 2320 wrote to memory of 4468 2320 ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.exe 70 PID 2320 wrote to memory of 4468 2320 ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.exe"C:\Users\Admin\AppData\Local\Temp\ca044281f268ecbc1ca79d6cfe8c7587eb04bbe7ce9a7e23c0082605f19c635c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un842355.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un842355.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6033.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6033.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2672
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2958.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2958.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2164
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si843426.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si843426.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4468
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5c1999fe2496f5874dc46ea322691201f
SHA1d0408a96fb07892b90c9abbc0fb1050ec577b710
SHA256efdcd5067819670c76ff77ca111a9c244ff26829e1af833ff67985b593d59c11
SHA5120bc8de2a2dc8ddcb7143709f7e07d77e0d13fe89fde0a6a970aa040ddb91cf2339355861a108d1d1684f4c9302351723a15ad830dee2b550e9e3f41d7ef88bbb
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Filesize
175KB
MD5c1999fe2496f5874dc46ea322691201f
SHA1d0408a96fb07892b90c9abbc0fb1050ec577b710
SHA256efdcd5067819670c76ff77ca111a9c244ff26829e1af833ff67985b593d59c11
SHA5120bc8de2a2dc8ddcb7143709f7e07d77e0d13fe89fde0a6a970aa040ddb91cf2339355861a108d1d1684f4c9302351723a15ad830dee2b550e9e3f41d7ef88bbb
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Filesize
553KB
MD5c748d11b25f4f4a53f44d5b47c891416
SHA1d716ceb3d8cf046716c7719a8316a891740f4d5a
SHA2560d76d6aad4e89d9b386bf6ccef2afc796e757252973d33fd7ceb2149cbbba97c
SHA512fabd4b1164f8e84aa6ff69c8b064fd257ca125b48527d431e9330983001dfa911ce8a6fd2407142a587a7e9f0e16f3f94c9b1f5ab8e1d8cf352f977f0704d050
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Filesize
553KB
MD5c748d11b25f4f4a53f44d5b47c891416
SHA1d716ceb3d8cf046716c7719a8316a891740f4d5a
SHA2560d76d6aad4e89d9b386bf6ccef2afc796e757252973d33fd7ceb2149cbbba97c
SHA512fabd4b1164f8e84aa6ff69c8b064fd257ca125b48527d431e9330983001dfa911ce8a6fd2407142a587a7e9f0e16f3f94c9b1f5ab8e1d8cf352f977f0704d050
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Filesize
308KB
MD5ffb28db859de0b2da03200644db259a7
SHA111ff0c491c0683717715095c263b68baa9523cf5
SHA256dca7c0352ac0b0e528f119b92c994f1b9c8ce23ed1a2d12b894945e3389dff24
SHA512f5958cdbc5b42d0ff111c47e9759920f61c75fc17d6b7080a82607bb5330eaf23787d18021a2e4cc26ea85b910959cfc896e2b3a296aea4d9083b3202919eb22
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Filesize
308KB
MD5ffb28db859de0b2da03200644db259a7
SHA111ff0c491c0683717715095c263b68baa9523cf5
SHA256dca7c0352ac0b0e528f119b92c994f1b9c8ce23ed1a2d12b894945e3389dff24
SHA512f5958cdbc5b42d0ff111c47e9759920f61c75fc17d6b7080a82607bb5330eaf23787d18021a2e4cc26ea85b910959cfc896e2b3a296aea4d9083b3202919eb22
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Filesize
366KB
MD554c2e71bafd77f85c7cef6f48c71e464
SHA1584f373dce234177def0d9df7bd60025cb756c0e
SHA256a93aacffef91f91e3cf0530e34436f572ceb606687fcbc8f51e30acb24d336ba
SHA5126ed49b34b058745808ac78d93f04ebfcad734aad81cbeda8a46c4d95da793037900b0edcb64055b9ab4f6a3fafe2dc1271a4c5f0736ccf84bd40e3a84234c679
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Filesize
366KB
MD554c2e71bafd77f85c7cef6f48c71e464
SHA1584f373dce234177def0d9df7bd60025cb756c0e
SHA256a93aacffef91f91e3cf0530e34436f572ceb606687fcbc8f51e30acb24d336ba
SHA5126ed49b34b058745808ac78d93f04ebfcad734aad81cbeda8a46c4d95da793037900b0edcb64055b9ab4f6a3fafe2dc1271a4c5f0736ccf84bd40e3a84234c679