Analysis
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max time kernel
106s -
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
24-03-2023 08:50
Static task
static1
Behavioral task
behavioral1
Sample
ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exe
Resource
win10v2004-20230220-en
General
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Target
ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exe
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Size
539KB
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MD5
fd601dc0c8c6210b68230802e3f58183
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SHA1
1c61db8292c18edb1997114e483b71b1e3819941
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SHA256
ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e
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SHA512
a264430a0219f58adcc594d5e6c4288d6880d9bb8f576629977062d573b7535883d8eb552bfcdfdf03bcbc899512a645a80c629d8810f31495055c75ddb324e8
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SSDEEP
12288:RMr4y90RjcDkOsLQPUn9b6YMxmI4+NwqTja1o+eKVyG:Fy8mUN6YM/2Gja1BeKH
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:
pro7168.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro7168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro7168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro7168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro7168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro7168.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro7168.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 34 IoCs
Processes:
resource yara_rule behavioral1/memory/4432-155-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-156-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-158-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-160-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-162-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-164-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-166-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-168-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-170-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-176-0x00000000073C0000-0x00000000073D0000-memory.dmp family_redline behavioral1/memory/4432-177-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-173-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-179-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-181-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-183-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-185-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-187-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-189-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-191-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-193-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-195-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-197-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-199-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-201-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-203-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-205-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-207-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-209-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-211-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-213-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-215-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-217-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-219-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline behavioral1/memory/4432-221-0x00000000072A0000-0x00000000072DE000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
unio8994.exepro7168.exequ6641.exesi507712.exepid process 1324 unio8994.exe 1424 pro7168.exe 4432 qu6641.exe 5092 si507712.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:
pro7168.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" pro7168.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:
ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exeunio8994.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.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\\\"" ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio8994.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\\\"" unio8994.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 4024 4432 WerFault.exe qu6641.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro7168.exequ6641.exesi507712.exepid process 1424 pro7168.exe 1424 pro7168.exe 4432 qu6641.exe 4432 qu6641.exe 5092 si507712.exe 5092 si507712.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro7168.exequ6641.exesi507712.exedescription pid process Token: SeDebugPrivilege 1424 pro7168.exe Token: SeDebugPrivilege 4432 qu6641.exe Token: SeDebugPrivilege 5092 si507712.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exeunio8994.exedescription pid process target process PID 4964 wrote to memory of 1324 4964 ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exe unio8994.exe PID 4964 wrote to memory of 1324 4964 ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exe unio8994.exe PID 4964 wrote to memory of 1324 4964 ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exe unio8994.exe PID 1324 wrote to memory of 1424 1324 unio8994.exe pro7168.exe PID 1324 wrote to memory of 1424 1324 unio8994.exe pro7168.exe PID 1324 wrote to memory of 4432 1324 unio8994.exe qu6641.exe PID 1324 wrote to memory of 4432 1324 unio8994.exe qu6641.exe PID 1324 wrote to memory of 4432 1324 unio8994.exe qu6641.exe PID 4964 wrote to memory of 5092 4964 ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exe si507712.exe PID 4964 wrote to memory of 5092 4964 ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exe si507712.exe PID 4964 wrote to memory of 5092 4964 ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exe si507712.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exe"C:\Users\Admin\AppData\Local\Temp\ef8ffcc49fa03233a46304964244aabbf6c262928c7c85739011a321a12bfb1e.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio8994.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio8994.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7168.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7168.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1424
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu6641.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu6641.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4432 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 19764⤵
- Program crash
PID:4024
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si507712.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si507712.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4432 -ip 44321⤵PID:4572
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
MD546b2383edaf974302c3a2cb9fe3dfc10
SHA14ea0b93ba2c47b401dc35f7a00cadec35a9bd5fe
SHA2566ddde6ecbfa16649a56bdbf64f32905cca681f134331509ec24a5920a5ac4249
SHA512da7ce6e4e719d11acfc0f2f33b8b29142b512f2e6959e75335ab565a2e8b89179728429d28a8c828507bc94ba4bf10e2dc67423d017ec4785741dbd59ea49118
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Filesize
397KB
MD546b2383edaf974302c3a2cb9fe3dfc10
SHA14ea0b93ba2c47b401dc35f7a00cadec35a9bd5fe
SHA2566ddde6ecbfa16649a56bdbf64f32905cca681f134331509ec24a5920a5ac4249
SHA512da7ce6e4e719d11acfc0f2f33b8b29142b512f2e6959e75335ab565a2e8b89179728429d28a8c828507bc94ba4bf10e2dc67423d017ec4785741dbd59ea49118
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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
MD5b0ba0471f9990c60fdb1a5487e483683
SHA1eea39c7080126bd9a6fa5d5f28f0604c8c92aa26
SHA25678b4f7b8897bd8403268729fcb69af7baf8a0c67a3f049789981ff0d03380ed3
SHA5123eb85483dd4d5a73a7ba67b3c93c6d2a7bf8da18ba9156ef12330f45f33beba9e5c6b27b2048956ca5f94319545749af24a956c98aab38268636f4b2d21f090b
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Filesize
355KB
MD5b0ba0471f9990c60fdb1a5487e483683
SHA1eea39c7080126bd9a6fa5d5f28f0604c8c92aa26
SHA25678b4f7b8897bd8403268729fcb69af7baf8a0c67a3f049789981ff0d03380ed3
SHA5123eb85483dd4d5a73a7ba67b3c93c6d2a7bf8da18ba9156ef12330f45f33beba9e5c6b27b2048956ca5f94319545749af24a956c98aab38268636f4b2d21f090b