Analysis
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max time kernel
79s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
23/03/2023, 10:16
Static task
static1
Behavioral task
behavioral1
Sample
27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.exe
Resource
win10v2004-20230220-en
General
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Target
27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.exe
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Size
681KB
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MD5
707e833d7791088eb6cf7b699b29598a
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SHA1
32d4753aa55a8b6e107714b127e05d95e79fefae
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SHA256
27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767
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SHA512
16c14c7806f333183c2ab44a3e69cc5873a0ed11bf43392a9b5f1732f160c0a339aafc6b5094106854f15055f2a3ff94fd0ff7749141e90b809c18a6e682421a
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SSDEEP
12288:D2ojBKZrg5SmePIA7/ELeej4rWLryxMsnlKAmPctv79HhcklY4XaUPpxc:CK+c5SmLRjFLrZsnob0N79HhPXDPpS
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
real
193.233.20.31:4125
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auth_value
bb22a50228754849387d5f4d1611e71b
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr460394.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr460394.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr460394.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr460394.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr460394.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr460394.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 32 IoCs
resource yara_rule behavioral1/memory/1336-162-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-161-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-164-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-166-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-168-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-170-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-172-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-174-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-176-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-178-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-180-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-182-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-184-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-186-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-188-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-190-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-194-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-192-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-196-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-198-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-200-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-202-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-204-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-206-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-208-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-210-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-212-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-214-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-216-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-218-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-220-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline behavioral1/memory/1336-222-0x00000000052D0000-0x000000000530E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 3928 zioW0194.exe 3124 jr460394.exe 1336 ku449663.exe 4476 lr288670.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" jr460394.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 27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.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\\\"" 27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce zioW0194.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\\\"" zioW0194.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
pid pid_target Process procid_target 1900 1336 WerFault.exe 96 4768 956 WerFault.exe 81 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3124 jr460394.exe 3124 jr460394.exe 1336 ku449663.exe 1336 ku449663.exe 4476 lr288670.exe 4476 lr288670.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3124 jr460394.exe Token: SeDebugPrivilege 1336 ku449663.exe Token: SeDebugPrivilege 4476 lr288670.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 956 wrote to memory of 3928 956 27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.exe 83 PID 956 wrote to memory of 3928 956 27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.exe 83 PID 956 wrote to memory of 3928 956 27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.exe 83 PID 3928 wrote to memory of 3124 3928 zioW0194.exe 84 PID 3928 wrote to memory of 3124 3928 zioW0194.exe 84 PID 3928 wrote to memory of 1336 3928 zioW0194.exe 96 PID 3928 wrote to memory of 1336 3928 zioW0194.exe 96 PID 3928 wrote to memory of 1336 3928 zioW0194.exe 96 PID 956 wrote to memory of 4476 956 27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.exe 103 PID 956 wrote to memory of 4476 956 27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.exe 103 PID 956 wrote to memory of 4476 956 27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.exe"C:\Users\Admin\AppData\Local\Temp\27f3edac491a7ecac84ee9fc4228abe091fc511f10eb01e857ebffc74b687767.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zioW0194.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zioW0194.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr460394.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr460394.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3124
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku449663.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku449663.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1336 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1336 -s 13484⤵
- Program crash
PID:1900
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr288670.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr288670.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4476
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 5042⤵
- Program crash
PID:4768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1336 -ip 13361⤵PID:3252
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 956 -ip 9561⤵PID:4172
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD541707338e1e2d868aa699ac0dd2e77b0
SHA136e0dfba09f9fb409faf0f9a99217d0d0c524b82
SHA2568d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557
SHA51280c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2
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Filesize
175KB
MD541707338e1e2d868aa699ac0dd2e77b0
SHA136e0dfba09f9fb409faf0f9a99217d0d0c524b82
SHA2568d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557
SHA51280c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2
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Filesize
403KB
MD5a6f57e34cae94ab926964b627404d029
SHA1d9056e63181be9a37dfb527b161a9aeda13a534a
SHA256d0d2e4c09e02bdb8fa5ca3090f9ca38a8c83c99384c0cd249e0896c1784e98e5
SHA512647655e41f1d4e92ae9f1f9698bef8a8ff8d7ee758f132a1742cd50a8a2c6920e89d4de1212c90040ccbca1b7949169ec1d642d61eaa935a4a77c4839270e27b
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Filesize
403KB
MD5a6f57e34cae94ab926964b627404d029
SHA1d9056e63181be9a37dfb527b161a9aeda13a534a
SHA256d0d2e4c09e02bdb8fa5ca3090f9ca38a8c83c99384c0cd249e0896c1784e98e5
SHA512647655e41f1d4e92ae9f1f9698bef8a8ff8d7ee758f132a1742cd50a8a2c6920e89d4de1212c90040ccbca1b7949169ec1d642d61eaa935a4a77c4839270e27b
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
351KB
MD51352088f4f9bac7727be4ae23b8de8ab
SHA12663c0ac6b0168372d1631423575c3c9af80a08f
SHA2567a2852ed475c75b0d3bea8c97598f8b2f2d6a160152caf186ea14c1612d6ff1d
SHA512329a112d2c967aea377757753412a0bd7ff71349f171b575ea135c45b5343dbfd54bdac2f235e016880e0871d6a24280db5b1a256d0da90996e34ba6eb7760ed
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Filesize
351KB
MD51352088f4f9bac7727be4ae23b8de8ab
SHA12663c0ac6b0168372d1631423575c3c9af80a08f
SHA2567a2852ed475c75b0d3bea8c97598f8b2f2d6a160152caf186ea14c1612d6ff1d
SHA512329a112d2c967aea377757753412a0bd7ff71349f171b575ea135c45b5343dbfd54bdac2f235e016880e0871d6a24280db5b1a256d0da90996e34ba6eb7760ed