Analysis
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max time kernel
98s -
max time network
120s -
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 03:49
Static task
static1
Behavioral task
behavioral1
Sample
efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exe
Resource
win10v2004-20230220-en
General
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Target
efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exe
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Size
689KB
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MD5
4623428b09570d791fa0db3635ba226a
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SHA1
216806f746338696353dfa0d8b08a40a41782bc8
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SHA256
efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37
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SHA512
a22eaa62e4508dd7b59fdf2f31b3d8c54e4959edcc6055e9ea1d1455bcd4f7fa336c15b8b014110a1c3a88475261b3443155392cad34e8d352ecbfb0219d8fd2
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SSDEEP
12288:bMrey90wYEMeGMGO3tVy665hLuhR+3Hx2cZuNAg0vVFMbfigo8rCIA6B:1yEMPKJfaKh2eun03Mbago+Cp8
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:
pro5721.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro5721.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro5721.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro5721.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro5721.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro5721.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro5721.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/2136-190-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-192-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-189-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-194-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-196-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-198-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-200-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-202-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-204-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-206-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-208-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-210-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-212-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-216-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-219-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-222-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-220-0x00000000060E0000-0x00000000060F0000-memory.dmp family_redline behavioral1/memory/2136-224-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/2136-226-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
un742176.exepro5721.exequ2956.exesi217069.exepid process 460 un742176.exe 4496 pro5721.exe 2136 qu2956.exe 1760 si217069.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:
pro5721.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro5721.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro5721.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:
efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exeun742176.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.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\\\"" efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un742176.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\\\"" un742176.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 4596 4496 WerFault.exe pro5721.exe 4900 2136 WerFault.exe qu2956.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro5721.exequ2956.exesi217069.exepid process 4496 pro5721.exe 4496 pro5721.exe 2136 qu2956.exe 2136 qu2956.exe 1760 si217069.exe 1760 si217069.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro5721.exequ2956.exesi217069.exedescription pid process Token: SeDebugPrivilege 4496 pro5721.exe Token: SeDebugPrivilege 2136 qu2956.exe Token: SeDebugPrivilege 1760 si217069.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exeun742176.exedescription pid process target process PID 3776 wrote to memory of 460 3776 efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exe un742176.exe PID 3776 wrote to memory of 460 3776 efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exe un742176.exe PID 3776 wrote to memory of 460 3776 efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exe un742176.exe PID 460 wrote to memory of 4496 460 un742176.exe pro5721.exe PID 460 wrote to memory of 4496 460 un742176.exe pro5721.exe PID 460 wrote to memory of 4496 460 un742176.exe pro5721.exe PID 460 wrote to memory of 2136 460 un742176.exe qu2956.exe PID 460 wrote to memory of 2136 460 un742176.exe qu2956.exe PID 460 wrote to memory of 2136 460 un742176.exe qu2956.exe PID 3776 wrote to memory of 1760 3776 efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exe si217069.exe PID 3776 wrote to memory of 1760 3776 efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exe si217069.exe PID 3776 wrote to memory of 1760 3776 efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exe si217069.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exe"C:\Users\Admin\AppData\Local\Temp\efbcbf608abbce7cb6c890b5d5e014ccabb2f4a399b5631bcb65169a6b8ffb37.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3776 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un742176.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un742176.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:460 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5721.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5721.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4496 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 10844⤵
- Program crash
PID:4596 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2956.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2956.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2136 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 13244⤵
- Program crash
PID:4900 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si217069.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si217069.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1760
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4496 -ip 44961⤵PID:1664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2136 -ip 21361⤵PID:4812
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD56a1fd5108b393b3c205854566ce27298
SHA1a47ea600bd60f473e794c4eb0443d6ba569b932d
SHA256fdf0f84f250c8b178c3c174383ff2f1e205c290d2b7360a80961db32ef96cd39
SHA512b4a5a1f944b973121ebaf386ceafaca2177df59b3736656079851e3b52b397d914d3a9e76b2c6475e93a03382e9e2cbf339a65cea01688f0d99b0d4cd3a6e9d7
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Filesize
175KB
MD56a1fd5108b393b3c205854566ce27298
SHA1a47ea600bd60f473e794c4eb0443d6ba569b932d
SHA256fdf0f84f250c8b178c3c174383ff2f1e205c290d2b7360a80961db32ef96cd39
SHA512b4a5a1f944b973121ebaf386ceafaca2177df59b3736656079851e3b52b397d914d3a9e76b2c6475e93a03382e9e2cbf339a65cea01688f0d99b0d4cd3a6e9d7
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Filesize
547KB
MD5318bdddf5fb0b41aac30466b3256d263
SHA1be3ea306057bf857e3ca4fc6ddc504361a389b32
SHA2569a9e558374ae014cd10bc6a89a701e4a8db4142eeb4714a7c6eb56509b6ebb8b
SHA512c89157130e319a9f3b21df400fc6d93204b77e6a6bc8e4a9d92d5b6379bbd3c9eaa233c982dc3979ea6701445825393e06a307902b280ede587d949b5dbf469f
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Filesize
547KB
MD5318bdddf5fb0b41aac30466b3256d263
SHA1be3ea306057bf857e3ca4fc6ddc504361a389b32
SHA2569a9e558374ae014cd10bc6a89a701e4a8db4142eeb4714a7c6eb56509b6ebb8b
SHA512c89157130e319a9f3b21df400fc6d93204b77e6a6bc8e4a9d92d5b6379bbd3c9eaa233c982dc3979ea6701445825393e06a307902b280ede587d949b5dbf469f
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Filesize
291KB
MD510f36b14994668f5fe0dae88ef036d24
SHA1a42320168cf1ab5b1805d241bfcc0437872375d7
SHA25652f5a03d989cb94255643495d3bf22eb2db94540a625685473a327d8f5a782ae
SHA51283a4d0d7b8d2aea80975c61a439e495f08541c082638d5e604c96b7f883d084157947726d76f990385df021b092e27e0b4d6becf82a2a85a293e54f3c4906435
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Filesize
291KB
MD510f36b14994668f5fe0dae88ef036d24
SHA1a42320168cf1ab5b1805d241bfcc0437872375d7
SHA25652f5a03d989cb94255643495d3bf22eb2db94540a625685473a327d8f5a782ae
SHA51283a4d0d7b8d2aea80975c61a439e495f08541c082638d5e604c96b7f883d084157947726d76f990385df021b092e27e0b4d6becf82a2a85a293e54f3c4906435
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Filesize
345KB
MD5437e55a4c26c9d365e2c83f8d0947070
SHA13df04844c3673b784b7e2faff4a903c553260f98
SHA256b2eee3c9a60609247833e36b919b062d14a1ccc955152442f1749b24382d2af3
SHA5122ccc6c8aea142c9bfa18d0381875e80498765d3cbac77172833d622e7cba54bb59d6ccc379fd2da98b5c23b421adb7c174dd5aa489480992065035b6c948247e
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Filesize
345KB
MD5437e55a4c26c9d365e2c83f8d0947070
SHA13df04844c3673b784b7e2faff4a903c553260f98
SHA256b2eee3c9a60609247833e36b919b062d14a1ccc955152442f1749b24382d2af3
SHA5122ccc6c8aea142c9bfa18d0381875e80498765d3cbac77172833d622e7cba54bb59d6ccc379fd2da98b5c23b421adb7c174dd5aa489480992065035b6c948247e