Analysis
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max time kernel
61s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2023 07:09
Static task
static1
Behavioral task
behavioral1
Sample
8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exe
Resource
win10v2004-20230220-en
General
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Target
8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exe
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Size
683KB
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MD5
634b385e786f1f4fe638c9e9beeeb70c
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SHA1
1968d9f905cadd16a0b394f86ee0e988fb914657
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SHA256
8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3
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SHA512
f4c69eef69afe449c95076eaef4469cea487b62b834157df8dcbb5b0c41ba4242358fbc816d777f56ee9de7522090c0c993cea146a65cc04fbe08aa48fa93988
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SSDEEP
12288:KMrgy90aZBMx13CPUKl7R+2B0yGjRTu84uWHdEo8DG5D:+yhO3kUK7/0yGlTu3Dd8C
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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Processes:
pro2390.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro2390.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro2390.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro2390.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro2390.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro2390.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro2390.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/1740-194-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-197-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-195-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-199-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-201-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-203-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-205-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-207-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-209-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-211-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-213-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-215-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-219-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-223-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-225-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-227-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-229-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-231-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1740-1113-0x0000000004980000-0x0000000004990000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
un634706.exepro2390.exequ9632.exesi000748.exepid process 3264 un634706.exe 1564 pro2390.exe 1740 qu9632.exe 3696 si000748.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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Processes:
pro2390.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro2390.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro2390.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
Processes:
un634706.exe8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un634706.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\\\"" un634706.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.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\\\"" 8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.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
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3604 1564 WerFault.exe pro2390.exe 3936 1740 WerFault.exe qu9632.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro2390.exequ9632.exesi000748.exepid process 1564 pro2390.exe 1564 pro2390.exe 1740 qu9632.exe 1740 qu9632.exe 3696 si000748.exe 3696 si000748.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro2390.exequ9632.exesi000748.exedescription pid process Token: SeDebugPrivilege 1564 pro2390.exe Token: SeDebugPrivilege 1740 qu9632.exe Token: SeDebugPrivilege 3696 si000748.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exeun634706.exedescription pid process target process PID 5076 wrote to memory of 3264 5076 8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exe un634706.exe PID 5076 wrote to memory of 3264 5076 8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exe un634706.exe PID 5076 wrote to memory of 3264 5076 8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exe un634706.exe PID 3264 wrote to memory of 1564 3264 un634706.exe pro2390.exe PID 3264 wrote to memory of 1564 3264 un634706.exe pro2390.exe PID 3264 wrote to memory of 1564 3264 un634706.exe pro2390.exe PID 3264 wrote to memory of 1740 3264 un634706.exe qu9632.exe PID 3264 wrote to memory of 1740 3264 un634706.exe qu9632.exe PID 3264 wrote to memory of 1740 3264 un634706.exe qu9632.exe PID 5076 wrote to memory of 3696 5076 8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exe si000748.exe PID 5076 wrote to memory of 3696 5076 8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exe si000748.exe PID 5076 wrote to memory of 3696 5076 8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exe si000748.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exe"C:\Users\Admin\AppData\Local\Temp\8a8c7725c08fe1256a01c4d4dac6f0e2733b00031e7f707e8339858b901389d3.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5076 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un634706.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un634706.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2390.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2390.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1564 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 10924⤵
- Program crash
PID:3604
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu9632.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu9632.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 20204⤵
- Program crash
PID:3936
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si000748.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si000748.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3696
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1564 -ip 15641⤵PID:2464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1740 -ip 17401⤵PID:3396
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD59257989b3082ebda815e701ca83f0aaa
SHA144419ffa87ad1ba9f08f23bf964a6225c3924786
SHA2560e8696c59d45da2cc6e107309da368f9df345b13aa2d72e168da046417c95ab8
SHA5127e0a4c78c295452ef9fe33137124ebea07a2e79371d2f764670cb51002ae360d627a838242d66090501b5e91f30f09e7b90538977cad74ffeccf5e56d268c884
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Filesize
175KB
MD59257989b3082ebda815e701ca83f0aaa
SHA144419ffa87ad1ba9f08f23bf964a6225c3924786
SHA2560e8696c59d45da2cc6e107309da368f9df345b13aa2d72e168da046417c95ab8
SHA5127e0a4c78c295452ef9fe33137124ebea07a2e79371d2f764670cb51002ae360d627a838242d66090501b5e91f30f09e7b90538977cad74ffeccf5e56d268c884
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Filesize
541KB
MD5db1ca10bd547188b7a1ae4e51d1b5c53
SHA111b9d8781db422fb8850bc8e54cbd9562ff9b0e4
SHA2565ac5b726990679039676748b0ef8dd59b02cb35b07815fb1bb1fa3ff4096d91a
SHA512a441ef5f7c79a5993db92ac4572a6e784e964f20075605eef686ddcc2de01ce530ea17480084b17caed7155806cc326d8fe9d676958bf5d71a5840a6401369d1
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Filesize
541KB
MD5db1ca10bd547188b7a1ae4e51d1b5c53
SHA111b9d8781db422fb8850bc8e54cbd9562ff9b0e4
SHA2565ac5b726990679039676748b0ef8dd59b02cb35b07815fb1bb1fa3ff4096d91a
SHA512a441ef5f7c79a5993db92ac4572a6e784e964f20075605eef686ddcc2de01ce530ea17480084b17caed7155806cc326d8fe9d676958bf5d71a5840a6401369d1
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Filesize
321KB
MD5153733929a0217a0622f0e62dc5ac18a
SHA166f90cb8c1294ba24947e900c1194715fe346bb0
SHA256b6ba7517c46126b504e5fe423f529f2745f077ff8910610edfd2652261204cf4
SHA5127cf243c93ecf00ed64f03e6ce5ef19c69d5decd70763eee57bc66fde3b809b9934005116c0e0ca02318ad322b742e2de6f155c295c78bd618802c765a3550e93
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Filesize
321KB
MD5153733929a0217a0622f0e62dc5ac18a
SHA166f90cb8c1294ba24947e900c1194715fe346bb0
SHA256b6ba7517c46126b504e5fe423f529f2745f077ff8910610edfd2652261204cf4
SHA5127cf243c93ecf00ed64f03e6ce5ef19c69d5decd70763eee57bc66fde3b809b9934005116c0e0ca02318ad322b742e2de6f155c295c78bd618802c765a3550e93
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Filesize
379KB
MD5c37e2b0289a92d5a842d3ac08b3acb76
SHA193808ed619cd978134df79a05437c60e999328bf
SHA256658edd51a5704fa33f725ba71c6adefadb0978da60c288be4ac7d91b055f9605
SHA5125d171c5e741490e650a6b7a0ba7f87a629ad96cc3a3c8626865897e559c169fa6a35f28af41324ec53c3f59a3164ecb77a2d9a5c4fbb185d47ff3c004d3cb716
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Filesize
379KB
MD5c37e2b0289a92d5a842d3ac08b3acb76
SHA193808ed619cd978134df79a05437c60e999328bf
SHA256658edd51a5704fa33f725ba71c6adefadb0978da60c288be4ac7d91b055f9605
SHA5125d171c5e741490e650a6b7a0ba7f87a629ad96cc3a3c8626865897e559c169fa6a35f28af41324ec53c3f59a3164ecb77a2d9a5c4fbb185d47ff3c004d3cb716