Analysis
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max time kernel
135s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
31-03-2023 20:41
Static task
static1
Behavioral task
behavioral1
Sample
81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exe
Resource
win10v2004-20230220-en
General
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Target
81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exe
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Size
671KB
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MD5
513dcf07b9364b48e37cc0a0ad063682
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SHA1
8de8fbc61046fe2af71e2dce760d703ecfe790e6
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SHA256
81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9
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SHA512
4a445b0a00237275a2b507f2f4248ceb1dbb45b4854fd45aba6029d735a3a0d0c6b9d863a7ce3cabc4b39a597460382f6d26be1d7a294b3ef2333f8f54903aa3
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SSDEEP
12288:MMrgy90Z0LyiXFQO++FT0fgMXi4XlB5eme3LqN2THDrg1L:My5yGQ8FT0fHBlB5Re3GNqj01L
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
spora
176.113.115.145:4125
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auth_value
441b39ab37774b2ca9931c31e1bc6071
Signatures
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Processes:
pro7424.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro7424.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro7424.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro7424.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro7424.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro7424.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro7424.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/2208-196-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-193-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-198-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-200-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-204-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-202-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-206-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-208-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-210-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-212-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-214-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-216-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-218-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-220-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-222-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-224-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-226-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline behavioral1/memory/2208-228-0x0000000003B50000-0x0000000003B8F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
un831113.exepro7424.exequ1911.exesi055533.exepid process 3228 un831113.exe 4980 pro7424.exe 2208 qu1911.exe 4292 si055533.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:
pro7424.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro7424.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro7424.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:
81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exeun831113.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.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\\\"" 81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un831113.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\\\"" un831113.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 3680 4980 WerFault.exe pro7424.exe 3752 2208 WerFault.exe qu1911.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro7424.exequ1911.exesi055533.exepid process 4980 pro7424.exe 4980 pro7424.exe 2208 qu1911.exe 2208 qu1911.exe 4292 si055533.exe 4292 si055533.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro7424.exequ1911.exesi055533.exedescription pid process Token: SeDebugPrivilege 4980 pro7424.exe Token: SeDebugPrivilege 2208 qu1911.exe Token: SeDebugPrivilege 4292 si055533.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exeun831113.exedescription pid process target process PID 4120 wrote to memory of 3228 4120 81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exe un831113.exe PID 4120 wrote to memory of 3228 4120 81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exe un831113.exe PID 4120 wrote to memory of 3228 4120 81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exe un831113.exe PID 3228 wrote to memory of 4980 3228 un831113.exe pro7424.exe PID 3228 wrote to memory of 4980 3228 un831113.exe pro7424.exe PID 3228 wrote to memory of 4980 3228 un831113.exe pro7424.exe PID 3228 wrote to memory of 2208 3228 un831113.exe qu1911.exe PID 3228 wrote to memory of 2208 3228 un831113.exe qu1911.exe PID 3228 wrote to memory of 2208 3228 un831113.exe qu1911.exe PID 4120 wrote to memory of 4292 4120 81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exe si055533.exe PID 4120 wrote to memory of 4292 4120 81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exe si055533.exe PID 4120 wrote to memory of 4292 4120 81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exe si055533.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exe"C:\Users\Admin\AppData\Local\Temp\81795d807a7db7d2e6879b8deac18454d9f0adeba657f6018562702ebaac90e9.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4120 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un831113.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un831113.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3228 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7424.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7424.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4980 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 10844⤵
- Program crash
PID:3680 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1911.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1911.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2208 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 13284⤵
- Program crash
PID:3752 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si055533.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si055533.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4292
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4980 -ip 49801⤵PID:4832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 2208 -ip 22081⤵PID:1972
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5201278a0c52e7efbe98cb3504c750887
SHA18d02c8934a255534763d35ca6164a13a91bb39a3
SHA256ce29a8506cabb807f444a28e61836fada020a36ada02730e0b5a227da33e396a
SHA51257760a8c6a1122bcc23d1f73e421e72db7ceb029e8be0e6f2e45f865ff47810f13cca6aad01058cbd9011b6266da961298e409015518c6cadca101ae2faa5ce9
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Filesize
175KB
MD5201278a0c52e7efbe98cb3504c750887
SHA18d02c8934a255534763d35ca6164a13a91bb39a3
SHA256ce29a8506cabb807f444a28e61836fada020a36ada02730e0b5a227da33e396a
SHA51257760a8c6a1122bcc23d1f73e421e72db7ceb029e8be0e6f2e45f865ff47810f13cca6aad01058cbd9011b6266da961298e409015518c6cadca101ae2faa5ce9
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Filesize
529KB
MD5cb16ec1da777c9157af1644d38965c0b
SHA175893f7b4108c3593a8784b581e6860898af34f8
SHA2563b0067be34620516868296c823a8bb32efc4885f3de49c6dce1a50ae9f5e95a8
SHA51239f9a30f5935d7a75df79f9a17add7115db9b9b63ec7a1b3892daec19d09b51d544ec38cdcc651d41060d9cca5e43963d656089da2fe6f00eceae581bd026eba
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Filesize
529KB
MD5cb16ec1da777c9157af1644d38965c0b
SHA175893f7b4108c3593a8784b581e6860898af34f8
SHA2563b0067be34620516868296c823a8bb32efc4885f3de49c6dce1a50ae9f5e95a8
SHA51239f9a30f5935d7a75df79f9a17add7115db9b9b63ec7a1b3892daec19d09b51d544ec38cdcc651d41060d9cca5e43963d656089da2fe6f00eceae581bd026eba
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Filesize
301KB
MD50db3a2a1353985d9d4ff394787f582c6
SHA160ec61073faf4a463caf10b91ad34c1c771983f2
SHA2568c15dfca69155335df950244f3f6218ed57ac64877babdd8b5fc3f761872278d
SHA512078b63877b0a6896fcfc9db102d01099b2f9e5d7173b79f246c37af1c74d4c296f0d18dc723e3092bfc6c89694fa3c0514ac0a6029f02e1177454a26f6f73678
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Filesize
301KB
MD50db3a2a1353985d9d4ff394787f582c6
SHA160ec61073faf4a463caf10b91ad34c1c771983f2
SHA2568c15dfca69155335df950244f3f6218ed57ac64877babdd8b5fc3f761872278d
SHA512078b63877b0a6896fcfc9db102d01099b2f9e5d7173b79f246c37af1c74d4c296f0d18dc723e3092bfc6c89694fa3c0514ac0a6029f02e1177454a26f6f73678
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Filesize
359KB
MD51c0e9b29aa79f9ec9045291a9cc1b9ce
SHA19b25480f20b5f230ff8e67888f4927b2c79080dd
SHA256fa332ff5d608cb91350f9a5dae25e86fa5f536add73573f58e319d2a80fc2e50
SHA512ed64da3dd8e0180f5641a5e1cc8af884932ab40d6ad578fd5f8d00e1a64bcc3280e1279fe567539ed84d79dd845d7b21f7b79e0f6e7a0e24adc78d9571eb9655
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Filesize
359KB
MD51c0e9b29aa79f9ec9045291a9cc1b9ce
SHA19b25480f20b5f230ff8e67888f4927b2c79080dd
SHA256fa332ff5d608cb91350f9a5dae25e86fa5f536add73573f58e319d2a80fc2e50
SHA512ed64da3dd8e0180f5641a5e1cc8af884932ab40d6ad578fd5f8d00e1a64bcc3280e1279fe567539ed84d79dd845d7b21f7b79e0f6e7a0e24adc78d9571eb9655