Analysis
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max time kernel
78s -
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
24-03-2023 08:36
Static task
static1
Behavioral task
behavioral1
Sample
b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exe
Resource
win10v2004-20230220-en
General
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Target
b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exe
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Size
539KB
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MD5
5174c12d65500c3fc3eb787e627d7f07
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SHA1
1f6cfbbd3b4e84ca91e7b1902a4122654e3db27e
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SHA256
b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2
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SHA512
596c15c76e8b32da3c9dbfd08063f4feca4eda225f35b9289e8dfad4707f3305a28723a3da2f685b5d99bfc8d2dad2b7b018faaa1f906cc2a50e80dde8b88cac
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SSDEEP
12288:9MrOy906EiKCvN4xJTA1BEf9BDn9GYgxuI4+IXt3MS+f1md0C1:PyrN4xJUXEbD9GYAHKWSC6
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
hero
193.233.20.31:4125
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auth_value
11f3c75a88ca461bcc8d6bf60a1193e3
Signatures
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Processes:
pro2428.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro2428.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro2428.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro2428.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro2428.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro2428.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro2428.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
Processes:
resource yara_rule behavioral1/memory/4732-157-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-158-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-160-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-162-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-164-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-166-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-168-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-170-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-172-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-174-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-176-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-178-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-180-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-182-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-184-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-186-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-190-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-188-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-192-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-194-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-196-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-198-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-200-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-204-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-202-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-206-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-208-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-210-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-214-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-212-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-216-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-218-0x0000000007700000-0x000000000773E000-memory.dmp family_redline behavioral1/memory/4732-220-0x0000000007700000-0x000000000773E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
unio3796.exepro2428.exequ5310.exesi512032.exepid process 1100 unio3796.exe 3724 pro2428.exe 4732 qu5310.exe 732 si512032.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:
pro2428.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" pro2428.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:
b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exeunio3796.exedescription ioc process 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\\\"" b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio3796.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\\\"" unio3796.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.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
Processes:
WerFault.exepid pid_target process target process 5072 4732 WerFault.exe qu5310.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro2428.exequ5310.exesi512032.exepid process 3724 pro2428.exe 3724 pro2428.exe 4732 qu5310.exe 4732 qu5310.exe 732 si512032.exe 732 si512032.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro2428.exequ5310.exesi512032.exedescription pid process Token: SeDebugPrivilege 3724 pro2428.exe Token: SeDebugPrivilege 4732 qu5310.exe Token: SeDebugPrivilege 732 si512032.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exeunio3796.exedescription pid process target process PID 4620 wrote to memory of 1100 4620 b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exe unio3796.exe PID 4620 wrote to memory of 1100 4620 b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exe unio3796.exe PID 4620 wrote to memory of 1100 4620 b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exe unio3796.exe PID 1100 wrote to memory of 3724 1100 unio3796.exe pro2428.exe PID 1100 wrote to memory of 3724 1100 unio3796.exe pro2428.exe PID 1100 wrote to memory of 4732 1100 unio3796.exe qu5310.exe PID 1100 wrote to memory of 4732 1100 unio3796.exe qu5310.exe PID 1100 wrote to memory of 4732 1100 unio3796.exe qu5310.exe PID 4620 wrote to memory of 732 4620 b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exe si512032.exe PID 4620 wrote to memory of 732 4620 b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exe si512032.exe PID 4620 wrote to memory of 732 4620 b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exe si512032.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exe"C:\Users\Admin\AppData\Local\Temp\b62797f04e1ad34f06e3c18c293c994bba2b40a31982d03776a6697b8812c0d2.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio3796.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio3796.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2428.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2428.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3724
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5310.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5310.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4732 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 18924⤵
- Program crash
PID:5072
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si512032.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si512032.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:732
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4732 -ip 47321⤵PID:1048
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD57c11dfe7837f2079d50113de0e973682
SHA1fae072addd4d56ab67d08ab82da4aac5d7223960
SHA256442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b
SHA51206085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7
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Filesize
175KB
MD57c11dfe7837f2079d50113de0e973682
SHA1fae072addd4d56ab67d08ab82da4aac5d7223960
SHA256442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b
SHA51206085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7
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Filesize
397KB
MD5bb555b5969b257b3e8f33cd9fff89b60
SHA18dd17ba579509d872e7903f8319e4fdfdb44b0d1
SHA25640334fcc5a3321c11809c293b2afc49f23ce6f45278c4b36df91661fad4de69e
SHA512da3c00f4e760f5b84beccca19af2a82834007070a78b74f5979fb6b5c32b373439b49c4e8d2b5561a19a7f1793d7ba532a1d01c2dcee9c644a7032de0bcdaeaa
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Filesize
397KB
MD5bb555b5969b257b3e8f33cd9fff89b60
SHA18dd17ba579509d872e7903f8319e4fdfdb44b0d1
SHA25640334fcc5a3321c11809c293b2afc49f23ce6f45278c4b36df91661fad4de69e
SHA512da3c00f4e760f5b84beccca19af2a82834007070a78b74f5979fb6b5c32b373439b49c4e8d2b5561a19a7f1793d7ba532a1d01c2dcee9c644a7032de0bcdaeaa
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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
355KB
MD5743dbbf4819d3c1e1d77fef30b543dc4
SHA1df366c81e23ac722170a7b1cd79f48f24a5022aa
SHA2562e5815942a488950d7242f720de86a1cc3781192cc2279e5b44ab3532731d843
SHA512e6a85e804bbf12b5ce1a4f83e9d8f3cd65ecd6438ec25089cffeebaaa851c6f794f891e3a3acae15f5645f592b734d02b983185d2d4efd10d6fd332e14a50ace
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Filesize
355KB
MD5743dbbf4819d3c1e1d77fef30b543dc4
SHA1df366c81e23ac722170a7b1cd79f48f24a5022aa
SHA2562e5815942a488950d7242f720de86a1cc3781192cc2279e5b44ab3532731d843
SHA512e6a85e804bbf12b5ce1a4f83e9d8f3cd65ecd6438ec25089cffeebaaa851c6f794f891e3a3acae15f5645f592b734d02b983185d2d4efd10d6fd332e14a50ace