Analysis
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max time kernel
94s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2023 07:27
Static task
static1
Behavioral task
behavioral1
Sample
b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.exe
Resource
win10v2004-20230220-en
General
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Target
b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.exe
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Size
684KB
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MD5
9f9b8faf8e2832c48d2e37ac136bcd09
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SHA1
24b63d5d2079403eb4e1259937064f1cdbdc8119
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SHA256
b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d
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SHA512
5bd3a47fd2248ba350de4c37ebf3d4ad027daa6c5d202df013862a51eaa7e87f64b9bfd93cea234def21c09ed2957edf18627fc84572bd5698e05338d10da3f2
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SSDEEP
12288:uMrCy90ceGYODDhnY6yjC89R5NgrMaZpSUJSm2L3zvU:oy3eG/pAjCQ5NSTpSdm2Ljc
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
from
176.113.115.145:4125
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auth_value
8633e283485822a4a48f0a41d5397566
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro3525.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro3525.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro3525.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro3525.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro3525.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro3525.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 19 IoCs
resource yara_rule behavioral1/memory/3876-191-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-192-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-194-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-197-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-201-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-200-0x0000000007160000-0x0000000007170000-memory.dmp family_redline behavioral1/memory/3876-204-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-206-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-208-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-210-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-212-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-214-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-216-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-218-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-220-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-224-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-222-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-226-0x0000000007720000-0x000000000775F000-memory.dmp family_redline behavioral1/memory/3876-228-0x0000000007720000-0x000000000775F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 864 un773226.exe 1424 pro3525.exe 3876 qu2165.exe 2936 si552561.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 Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro3525.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro3525.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 b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.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\\\"" b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un773226.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\\\"" un773226.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 4792 1424 WerFault.exe 85 1612 3876 WerFault.exe 91 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1424 pro3525.exe 1424 pro3525.exe 3876 qu2165.exe 3876 qu2165.exe 2936 si552561.exe 2936 si552561.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1424 pro3525.exe Token: SeDebugPrivilege 3876 qu2165.exe Token: SeDebugPrivilege 2936 si552561.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 368 wrote to memory of 864 368 b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.exe 84 PID 368 wrote to memory of 864 368 b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.exe 84 PID 368 wrote to memory of 864 368 b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.exe 84 PID 864 wrote to memory of 1424 864 un773226.exe 85 PID 864 wrote to memory of 1424 864 un773226.exe 85 PID 864 wrote to memory of 1424 864 un773226.exe 85 PID 864 wrote to memory of 3876 864 un773226.exe 91 PID 864 wrote to memory of 3876 864 un773226.exe 91 PID 864 wrote to memory of 3876 864 un773226.exe 91 PID 368 wrote to memory of 2936 368 b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.exe 95 PID 368 wrote to memory of 2936 368 b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.exe 95 PID 368 wrote to memory of 2936 368 b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.exe"C:\Users\Admin\AppData\Local\Temp\b0e76812c2c55567d623036035d510c3727946e1b226467fed36b3c63b43ef7d.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un773226.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un773226.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3525.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3525.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1424 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 10524⤵
- Program crash
PID:4792
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2165.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2165.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3876 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 13364⤵
- Program crash
PID:1612
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si552561.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si552561.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1424 -ip 14241⤵PID:4440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3876 -ip 38761⤵PID:4452
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175KB
MD5924874d8e72b5552d5e26bed95d59800
SHA11b687f7f4968a17c082b4ef51c274705090d81a9
SHA25696b44113a6b5f58cea492048c2410a15e1b65642cca22f2526439cf13fe0eaff
SHA5127154642183222154d8a5d65e9329a8ca75f07617dc0cdfa41e5fbeeaab6e6f03f0787013328509bdb19b09304807c99c3cab4824344ad920eaa9d5f4c5a120a2
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Filesize
175KB
MD5924874d8e72b5552d5e26bed95d59800
SHA11b687f7f4968a17c082b4ef51c274705090d81a9
SHA25696b44113a6b5f58cea492048c2410a15e1b65642cca22f2526439cf13fe0eaff
SHA5127154642183222154d8a5d65e9329a8ca75f07617dc0cdfa41e5fbeeaab6e6f03f0787013328509bdb19b09304807c99c3cab4824344ad920eaa9d5f4c5a120a2
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Filesize
542KB
MD57a26ae23ac3ce5930ef88646f9c6cee3
SHA1a54817ef432894c938cad049dfe93e690e2fe0a4
SHA25610190a3d53fd757e853dad20eab0d4234a4927249b4623bab32dea4bcd5cc539
SHA512b049b79c3cf3c8960461f7ff4570e94b15166dc7f99f0b06dd0851b2eda21a44b3fc96599c8cd8e940a5c3efeae42746adb046f4a494993692b61cf4f2bd9494
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Filesize
542KB
MD57a26ae23ac3ce5930ef88646f9c6cee3
SHA1a54817ef432894c938cad049dfe93e690e2fe0a4
SHA25610190a3d53fd757e853dad20eab0d4234a4927249b4623bab32dea4bcd5cc539
SHA512b049b79c3cf3c8960461f7ff4570e94b15166dc7f99f0b06dd0851b2eda21a44b3fc96599c8cd8e940a5c3efeae42746adb046f4a494993692b61cf4f2bd9494
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Filesize
321KB
MD580867ea9cd48a70c1df417e6f3f58f6b
SHA164bd823e98dcac35c5c500998cfd737eeeb8e064
SHA256099635b40fda0f86619bd08af140ee57573efa80c60f41f87b48e95901a07094
SHA5123220accf17323cc276cdec3c7818fdc1e539926ff7474080d40320273942db6b6ce381962da1501ded9de164676cc00c4c42aca62d3e81d305fb90d9490147b4
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Filesize
321KB
MD580867ea9cd48a70c1df417e6f3f58f6b
SHA164bd823e98dcac35c5c500998cfd737eeeb8e064
SHA256099635b40fda0f86619bd08af140ee57573efa80c60f41f87b48e95901a07094
SHA5123220accf17323cc276cdec3c7818fdc1e539926ff7474080d40320273942db6b6ce381962da1501ded9de164676cc00c4c42aca62d3e81d305fb90d9490147b4
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Filesize
380KB
MD55acc0e7dc1ea0836dbbac2db66c56b89
SHA1b5e78f18fff41e20fd958d584e9aedec6fb3025d
SHA256e375114e6f6269b558e5340a6e8c59450c971572e4cfe7b7db72e7f0913a2be2
SHA512b840653da7b7d6b23cd73bbb1c9797c78b1c9f22da03e9b7f75590d95cbdb071831cc7620e1b195ea5fce4113c9fec54b5ba1a446fd4f8313b90387913f6b868
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Filesize
380KB
MD55acc0e7dc1ea0836dbbac2db66c56b89
SHA1b5e78f18fff41e20fd958d584e9aedec6fb3025d
SHA256e375114e6f6269b558e5340a6e8c59450c971572e4cfe7b7db72e7f0913a2be2
SHA512b840653da7b7d6b23cd73bbb1c9797c78b1c9f22da03e9b7f75590d95cbdb071831cc7620e1b195ea5fce4113c9fec54b5ba1a446fd4f8313b90387913f6b868