Analysis
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max time kernel
103s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
22/03/2023, 08:54
Static task
static1
Behavioral task
behavioral1
Sample
58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.exe
Resource
win10v2004-20230220-en
General
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Target
58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.exe
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Size
540KB
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MD5
0e0362f1c30a8d506824e9a295370ebb
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SHA1
3569010b70094f46bdaf8d6d992f114bc4c8b222
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SHA256
58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2
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SHA512
209dd11d58e8585277c7101c269b8650c5365b1227074f957f477ad5d3ced16096e0d6b0d59fb97e620f2257faf1a16ab3d3641eeaabc3a1ea570f6db0a33b10
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SSDEEP
12288:iMrQy90sv8zuUzzUvZBsaYxYyGmrAnHHtTj:uy3U8vZBsxxYCrAHNP
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
polo
193.233.20.31:4125
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auth_value
f1a1b1041a864e0f1f788d42ececa8b3
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro9601.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro9601.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro9601.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro9601.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro9601.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro9601.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 34 IoCs
resource yara_rule behavioral1/memory/4448-156-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-157-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-159-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-161-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-163-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-165-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-167-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-169-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-171-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-173-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-175-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-177-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-179-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-181-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-183-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-185-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-187-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-189-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-192-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-193-0x0000000004BB0000-0x0000000004BC0000-memory.dmp family_redline behavioral1/memory/4448-195-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-197-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-199-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-201-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-203-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-205-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-207-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-209-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-211-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-213-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-215-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-217-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-219-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline behavioral1/memory/4448-221-0x00000000051B0000-0x00000000051EE000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 4620 unio2425.exe 4608 pro9601.exe 4448 qu7447.exe 5104 si845611.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" pro9601.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 58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.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\\\"" 58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio2425.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\\\"" unio2425.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 1 IoCs
pid pid_target Process procid_target 2400 4448 WerFault.exe 96 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4608 pro9601.exe 4608 pro9601.exe 4448 qu7447.exe 4448 qu7447.exe 5104 si845611.exe 5104 si845611.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4608 pro9601.exe Token: SeDebugPrivilege 4448 qu7447.exe Token: SeDebugPrivilege 5104 si845611.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1260 wrote to memory of 4620 1260 58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.exe 86 PID 1260 wrote to memory of 4620 1260 58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.exe 86 PID 1260 wrote to memory of 4620 1260 58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.exe 86 PID 4620 wrote to memory of 4608 4620 unio2425.exe 87 PID 4620 wrote to memory of 4608 4620 unio2425.exe 87 PID 4620 wrote to memory of 4448 4620 unio2425.exe 96 PID 4620 wrote to memory of 4448 4620 unio2425.exe 96 PID 4620 wrote to memory of 4448 4620 unio2425.exe 96 PID 1260 wrote to memory of 5104 1260 58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.exe 99 PID 1260 wrote to memory of 5104 1260 58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.exe 99 PID 1260 wrote to memory of 5104 1260 58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.exe"C:\Users\Admin\AppData\Local\Temp\58e71e8e87913bd76ac0b1c6aad321fb6122baaaa0b59ef347f9a81c649886e2.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio2425.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio2425.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9601.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9601.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4608
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu7447.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu7447.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4448 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 13324⤵
- Program crash
PID:2400
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si845611.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si845611.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4448 -ip 44481⤵PID:3564
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD544a26d7004f8b65e1a8bac0ccac86d6a
SHA130b583c2c04c1167703ae255b4d44b96b411c8ff
SHA25637384f1bfb6d2193e4ece0ed1f6989f9ebd238e7b4582e1aedfa136cdfd07eb9
SHA51217788355a5190ca17ead744cad71ebb7cfc7ceb84625310d31a469af0fbd50b2c304ce969530e99effeb0d23b0530b57a001f02fe918abc40ea68ad336fa187b
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Filesize
175KB
MD544a26d7004f8b65e1a8bac0ccac86d6a
SHA130b583c2c04c1167703ae255b4d44b96b411c8ff
SHA25637384f1bfb6d2193e4ece0ed1f6989f9ebd238e7b4582e1aedfa136cdfd07eb9
SHA51217788355a5190ca17ead744cad71ebb7cfc7ceb84625310d31a469af0fbd50b2c304ce969530e99effeb0d23b0530b57a001f02fe918abc40ea68ad336fa187b
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Filesize
398KB
MD5b5920f938cf2601e1c477434dc18a1b0
SHA1e2105ff725f2602ca133b7462aac9da672df382e
SHA25620c2968a94e154289fc20b6d7bdd982f7267b2c9cf5aec50d9e61a506b4bbc51
SHA5129a28085aee81d4345f26406c2d92c8b71ee9fb22a126450bb78d4dbf4335ac040a90136298a446059583c98fddfb312ae38bd097a0a9eb2e3888e2a990f5df70
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Filesize
398KB
MD5b5920f938cf2601e1c477434dc18a1b0
SHA1e2105ff725f2602ca133b7462aac9da672df382e
SHA25620c2968a94e154289fc20b6d7bdd982f7267b2c9cf5aec50d9e61a506b4bbc51
SHA5129a28085aee81d4345f26406c2d92c8b71ee9fb22a126450bb78d4dbf4335ac040a90136298a446059583c98fddfb312ae38bd097a0a9eb2e3888e2a990f5df70
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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
470KB
MD5ac5b2c95bc96d58c358702fad43db1bf
SHA14db6823d5a1677d302bf84db78d07c2946520334
SHA25641fdb52881bfad50f4d7a0ba52cb7572e388746cd39105686e2992084817a2cb
SHA512cb0002a0802c0cea9e07896ff08f9e858b077500189184222db478134324f0e617a4014c4dc7931159074dbfcf74edc483c4f0deb3479b532a6779eab5c24d5f
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Filesize
470KB
MD5ac5b2c95bc96d58c358702fad43db1bf
SHA14db6823d5a1677d302bf84db78d07c2946520334
SHA25641fdb52881bfad50f4d7a0ba52cb7572e388746cd39105686e2992084817a2cb
SHA512cb0002a0802c0cea9e07896ff08f9e858b077500189184222db478134324f0e617a4014c4dc7931159074dbfcf74edc483c4f0deb3479b532a6779eab5c24d5f