Analysis
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max time kernel
85s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
22-03-2023 07:37
Static task
static1
Behavioral task
behavioral1
Sample
18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.exe
Resource
win10v2004-20230221-en
General
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Target
18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.exe
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Size
538KB
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MD5
4771315322a7be2bf5db3d7a3b017eec
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SHA1
ff7400c24b34d529a88a06e8ba77e3843e313c08
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SHA256
18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0
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SHA512
614e16e9a529c31019983adb96a3eee0cf0dc42e0e57a9c438a3778217dc0f56098063bcfed1f4f814ee525e7e845ffcc00b12e579f8c7cc2e6c3e90343a33ee
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SSDEEP
12288:pMrky90C7uEf+DGufElhlxYJGmr0N3C2zD9RMYF+R:ByP7uEWDG6ElvxYRr0NFF+R
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 Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro6523.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro6523.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro6523.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro6523.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro6523.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro6523.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
resource yara_rule behavioral1/memory/3312-158-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-159-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-161-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-163-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-165-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-167-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-169-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-171-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-173-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-175-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-177-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-179-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-181-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-183-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-185-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-187-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-189-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-191-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-193-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-195-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-197-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-199-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-201-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-203-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-205-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-207-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-209-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-211-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-213-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-215-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-217-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-219-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/3312-221-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 3576 unio9673.exe 3644 pro6523.exe 3312 qu2964.exe 4032 si304826.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" pro6523.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 18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.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\\\"" 18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio9673.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\\\"" unio9673.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 3304 3312 WerFault.exe 94 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3644 pro6523.exe 3644 pro6523.exe 3312 qu2964.exe 3312 qu2964.exe 4032 si304826.exe 4032 si304826.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3644 pro6523.exe Token: SeDebugPrivilege 3312 qu2964.exe Token: SeDebugPrivilege 4032 si304826.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1256 wrote to memory of 3576 1256 18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.exe 85 PID 1256 wrote to memory of 3576 1256 18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.exe 85 PID 1256 wrote to memory of 3576 1256 18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.exe 85 PID 3576 wrote to memory of 3644 3576 unio9673.exe 86 PID 3576 wrote to memory of 3644 3576 unio9673.exe 86 PID 3576 wrote to memory of 3312 3576 unio9673.exe 94 PID 3576 wrote to memory of 3312 3576 unio9673.exe 94 PID 3576 wrote to memory of 3312 3576 unio9673.exe 94 PID 1256 wrote to memory of 4032 1256 18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.exe 97 PID 1256 wrote to memory of 4032 1256 18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.exe 97 PID 1256 wrote to memory of 4032 1256 18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.exe"C:\Users\Admin\AppData\Local\Temp\18302b89d5b57404956b1c0d63227990b1d54b4e8c9df72cdee42b7187a6b6a0.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio9673.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio9673.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3576 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6523.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6523.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3644
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2964.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2964.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3312 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 12084⤵
- Program crash
PID:3304
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si304826.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si304826.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3312 -ip 33121⤵PID:3848
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
396KB
MD58a1f51af334650ea21200a4e8718f0f8
SHA1f8dfcd23e7549167ca43eb391d79d18effd22f4a
SHA2560483819eb78ac4fe4dad72005b510f6bb58d44f25cf644afd31aadf240f3111c
SHA512d4add45c8555987a8d53f208bab7b6e0e45035815580a38c3147b94b2384c7cbb9e4268be121ad73637c950268b179c236502e62a7cd0a2d4011275391e846d4
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Filesize
396KB
MD58a1f51af334650ea21200a4e8718f0f8
SHA1f8dfcd23e7549167ca43eb391d79d18effd22f4a
SHA2560483819eb78ac4fe4dad72005b510f6bb58d44f25cf644afd31aadf240f3111c
SHA512d4add45c8555987a8d53f208bab7b6e0e45035815580a38c3147b94b2384c7cbb9e4268be121ad73637c950268b179c236502e62a7cd0a2d4011275391e846d4
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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
MD508b44f0fdca434e57b42337f3bd5567b
SHA1b7313afa089aad4d46640b98d65dad9562c87797
SHA256ed67f4d22ce90601376892e4648a74c3604be0acebe4f0deb0528604fe564cdd
SHA512efbe86e7680499a1107267735719c31bc5396f3935135606cc0f007d3d4d6144522b595dec20271eb4a27b9d09769ba3a2bfc09883eb39092327ca56d72e8395
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Filesize
470KB
MD508b44f0fdca434e57b42337f3bd5567b
SHA1b7313afa089aad4d46640b98d65dad9562c87797
SHA256ed67f4d22ce90601376892e4648a74c3604be0acebe4f0deb0528604fe564cdd
SHA512efbe86e7680499a1107267735719c31bc5396f3935135606cc0f007d3d4d6144522b595dec20271eb4a27b9d09769ba3a2bfc09883eb39092327ca56d72e8395