Analysis
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max time kernel
97s -
max time network
99s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2023, 09:38
Static task
static1
Behavioral task
behavioral1
Sample
23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.exe
Resource
win10v2004-20230220-en
General
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Target
23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.exe
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Size
723KB
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MD5
ddcde47f6692d2ae06d0edd057424a57
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SHA1
b83ea67737aa7b63894e907516f44d23a6085d7e
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SHA256
23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf
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SHA512
915c9571d202e53c7440d3a8c5bf3fb56a0efc36da7297d3b90ddf2a586b548692ac831bb37d663cc3bc0f06df56a235c44577e6fc232032e8ee1fd847e77f9a
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SSDEEP
12288:dMoRPakqGEOj018dfVphyPcsyBWoNQs+HfwQ7rUONwnJqCTlqb5I:dMoEGEFEhcGSj4eUooJqnby
Malware Config
Extracted
redline
boris
193.233.20.32:4125
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auth_value
766b5bdf6dbefcf7ca223351952fc38f
Extracted
redline
firmu
193.233.20.32:4125
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auth_value
9f3e5e35e4a3a38fc36c5a851728aa33
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr141352.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr141352.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr141352.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr141352.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr141352.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr141352.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/4760-160-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-163-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-161-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-165-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-167-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-169-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-171-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-175-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-173-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-177-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-179-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-181-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-183-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-185-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-187-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-189-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-191-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-193-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-195-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-197-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-199-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-203-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-201-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-205-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-207-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-209-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-211-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-213-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-215-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-217-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-219-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline behavioral1/memory/4760-221-0x0000000004AC0000-0x0000000004AFF000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1580 ziFN5078.exe 1108 jr141352.exe 4760 ku089808.exe 4488 lr465439.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" jr141352.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 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\\\"" ziFN5078.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.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\\\"" 23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ziFN5078.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 4120 4760 WerFault.exe 89 4964 5036 WerFault.exe 83 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1108 jr141352.exe 1108 jr141352.exe 4760 ku089808.exe 4760 ku089808.exe 4488 lr465439.exe 4488 lr465439.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1108 jr141352.exe Token: SeDebugPrivilege 4760 ku089808.exe Token: SeDebugPrivilege 4488 lr465439.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 5036 wrote to memory of 1580 5036 23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.exe 84 PID 5036 wrote to memory of 1580 5036 23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.exe 84 PID 5036 wrote to memory of 1580 5036 23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.exe 84 PID 1580 wrote to memory of 1108 1580 ziFN5078.exe 85 PID 1580 wrote to memory of 1108 1580 ziFN5078.exe 85 PID 1580 wrote to memory of 4760 1580 ziFN5078.exe 89 PID 1580 wrote to memory of 4760 1580 ziFN5078.exe 89 PID 1580 wrote to memory of 4760 1580 ziFN5078.exe 89 PID 5036 wrote to memory of 4488 5036 23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.exe 94 PID 5036 wrote to memory of 4488 5036 23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.exe 94 PID 5036 wrote to memory of 4488 5036 23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.exe"C:\Users\Admin\AppData\Local\Temp\23fdac661c90e3af6866a8fcc3e0ddab5b089ae8f6bc72c9b85a147230d1c3bf.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziFN5078.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziFN5078.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr141352.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr141352.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1108
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku089808.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku089808.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4760 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 17764⤵
- Program crash
PID:4120
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr465439.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr465439.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4488
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 4322⤵
- Program crash
PID:4964
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4760 -ip 47601⤵PID:2628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5036 -ip 50361⤵PID:3584
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD56b780eb9c71d7b15142e05f33765678b
SHA11b853b28e715a7c7a8e4a39567e7b22697265741
SHA2562067ab13d0198979bf52e0b0e37bc9187cb178517620826424fc3c9f41c06d76
SHA512a149005b933b4a7739cf723ee1fec219e8eb2019fbe5300a807383aae83c46e60d0fcd8f3b1f5cb8d85556ade4567db91ecdaa4fdbbc87350d5cb7b1f4274314
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Filesize
175KB
MD56b780eb9c71d7b15142e05f33765678b
SHA11b853b28e715a7c7a8e4a39567e7b22697265741
SHA2562067ab13d0198979bf52e0b0e37bc9187cb178517620826424fc3c9f41c06d76
SHA512a149005b933b4a7739cf723ee1fec219e8eb2019fbe5300a807383aae83c46e60d0fcd8f3b1f5cb8d85556ade4567db91ecdaa4fdbbc87350d5cb7b1f4274314
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Filesize
411KB
MD51b5b07d7a718982fa3f88f6e8eaf644d
SHA1b2cc7cc0d5f1cc8f997e1d89b941d9555ac3a00c
SHA2568c21e5557c053b2252d13f1db6cc77b5eca7a909bd361415666edc6b46560c68
SHA5125d065111f7370951368ee4147c0d3a56b4a47768878fafe7449fbc761ccae8152065b0033a27a299653929101901c661ed044de380c6b900ef9f93b0b54b9318
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Filesize
411KB
MD51b5b07d7a718982fa3f88f6e8eaf644d
SHA1b2cc7cc0d5f1cc8f997e1d89b941d9555ac3a00c
SHA2568c21e5557c053b2252d13f1db6cc77b5eca7a909bd361415666edc6b46560c68
SHA5125d065111f7370951368ee4147c0d3a56b4a47768878fafe7449fbc761ccae8152065b0033a27a299653929101901c661ed044de380c6b900ef9f93b0b54b9318
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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
386KB
MD5e4024b9734501ac5eb8949b5d963910d
SHA1d9604cf792e7178f410cb074fefd857d64c62ed8
SHA25693bf38ba1f53ad1680bfce795ae7be1eef7f1037af19f7241200732e4ff17c24
SHA5128f49696233992965bc5e6966a2f769dee23a5b85acfc24b3cb9bbd9c008fdfb9858ff9372ef25586b91a3352c26b45b84afbed4fb89c4275966ed57d163b83c3
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Filesize
386KB
MD5e4024b9734501ac5eb8949b5d963910d
SHA1d9604cf792e7178f410cb074fefd857d64c62ed8
SHA25693bf38ba1f53ad1680bfce795ae7be1eef7f1037af19f7241200732e4ff17c24
SHA5128f49696233992965bc5e6966a2f769dee23a5b85acfc24b3cb9bbd9c008fdfb9858ff9372ef25586b91a3352c26b45b84afbed4fb89c4275966ed57d163b83c3