Analysis
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max time kernel
79s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
23-03-2023 21:47
Static task
static1
Behavioral task
behavioral1
Sample
f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exe
Resource
win10v2004-20230221-en
General
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Target
f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exe
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Size
544KB
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MD5
31af590731b1af7d8ddccbfb8444b853
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SHA1
f1a30d86efd55444d5f49a1d99f44a83eccd818c
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SHA256
f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05
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SHA512
8e2edefd452ce4151d6fe7745aec39ad63b250dac04bd8efa3a6301d736ededf31b4a0fd9a20bffd2488b1eb49edf96f29d13778302a8f69edcb7b83d5bcb584
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SSDEEP
12288:DMrcy90QbAxtfwUNjfJ0OtJpqgUbMLFwledLXJniDy1oWfAXdO:XyxMXfwULDWMJ2w1ii1ANO
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
real
193.233.20.31:4125
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auth_value
bb22a50228754849387d5f4d1611e71b
Signatures
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Processes:
pro0820.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro0820.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro0820.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro0820.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro0820.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro0820.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro0820.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/1832-155-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-158-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-156-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-160-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-162-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-164-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-166-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-168-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-170-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-172-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-174-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-176-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-178-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-181-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-185-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-187-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-189-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-191-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-193-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-195-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-197-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-199-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-201-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-203-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-205-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-207-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-209-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-211-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-213-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-215-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-219-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-217-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline behavioral1/memory/1832-221-0x0000000004CE0000-0x0000000004D1E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
unio3533.exepro0820.exequ1414.exesi629107.exepid process 4324 unio3533.exe 2120 pro0820.exe 1832 qu1414.exe 5112 si629107.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:
pro0820.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" pro0820.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:
f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exeunio3533.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.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\\\"" f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio3533.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\\\"" unio3533.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 1220 1832 WerFault.exe qu1414.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro0820.exequ1414.exesi629107.exepid process 2120 pro0820.exe 2120 pro0820.exe 1832 qu1414.exe 1832 qu1414.exe 5112 si629107.exe 5112 si629107.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro0820.exequ1414.exesi629107.exedescription pid process Token: SeDebugPrivilege 2120 pro0820.exe Token: SeDebugPrivilege 1832 qu1414.exe Token: SeDebugPrivilege 5112 si629107.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exeunio3533.exedescription pid process target process PID 4924 wrote to memory of 4324 4924 f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exe unio3533.exe PID 4924 wrote to memory of 4324 4924 f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exe unio3533.exe PID 4924 wrote to memory of 4324 4924 f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exe unio3533.exe PID 4324 wrote to memory of 2120 4324 unio3533.exe pro0820.exe PID 4324 wrote to memory of 2120 4324 unio3533.exe pro0820.exe PID 4324 wrote to memory of 1832 4324 unio3533.exe qu1414.exe PID 4324 wrote to memory of 1832 4324 unio3533.exe qu1414.exe PID 4324 wrote to memory of 1832 4324 unio3533.exe qu1414.exe PID 4924 wrote to memory of 5112 4924 f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exe si629107.exe PID 4924 wrote to memory of 5112 4924 f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exe si629107.exe PID 4924 wrote to memory of 5112 4924 f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exe si629107.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exe"C:\Users\Admin\AppData\Local\Temp\f99b80b3ea612fbff889b1d8a9ddb0f21f4d46f35dbebeb59f896a38dcdd6c05.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio3533.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio3533.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro0820.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro0820.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2120
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1414.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1414.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1832 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 18164⤵
- Program crash
PID:1220
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si629107.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si629107.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1832 -ip 18321⤵PID:2808
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD541707338e1e2d868aa699ac0dd2e77b0
SHA136e0dfba09f9fb409faf0f9a99217d0d0c524b82
SHA2568d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557
SHA51280c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2
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Filesize
175KB
MD541707338e1e2d868aa699ac0dd2e77b0
SHA136e0dfba09f9fb409faf0f9a99217d0d0c524b82
SHA2568d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557
SHA51280c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2
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Filesize
402KB
MD5ad668445a4c530d421bcb286a28e5822
SHA14602f1b8e59e84912e6f2b4d0da41f0b0d8211da
SHA256809ae4e99fed96a26d571c990760403af6344b8fb61e86803bbebd4bc673c374
SHA512b1071873dcbd0050e12784442492df6fed01efabda460d5f28a4b3ea6e58afaa2703d174666c1232791c753d4d6f942b00e6e21b7fe91fac06377e58b965378f
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Filesize
402KB
MD5ad668445a4c530d421bcb286a28e5822
SHA14602f1b8e59e84912e6f2b4d0da41f0b0d8211da
SHA256809ae4e99fed96a26d571c990760403af6344b8fb61e86803bbebd4bc673c374
SHA512b1071873dcbd0050e12784442492df6fed01efabda460d5f28a4b3ea6e58afaa2703d174666c1232791c753d4d6f942b00e6e21b7fe91fac06377e58b965378f
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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
349KB
MD5642192503bdfb338760d1a95fd06c6f0
SHA1f88c9df54d41c5a546dabab0d732c3660aa323cd
SHA256c653abc964947536e432958dcfe90f6a13a48639d6c5c1e7d154d44f9be2415c
SHA51217e2b6421e0eda44bfd154a7ce939ae3c90d6a058679c51c93b059aa2487b83bc842a97fd34546d981f928afaf6744d84610a5c39f5454fd7550587c313279b0
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Filesize
349KB
MD5642192503bdfb338760d1a95fd06c6f0
SHA1f88c9df54d41c5a546dabab0d732c3660aa323cd
SHA256c653abc964947536e432958dcfe90f6a13a48639d6c5c1e7d154d44f9be2415c
SHA51217e2b6421e0eda44bfd154a7ce939ae3c90d6a058679c51c93b059aa2487b83bc842a97fd34546d981f928afaf6744d84610a5c39f5454fd7550587c313279b0