Analysis
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max time kernel
87s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
24-03-2023 00:06
Static task
static1
Behavioral task
behavioral1
Sample
b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exe
Resource
win10v2004-20230221-en
General
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Target
b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exe
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Size
690KB
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MD5
dd2816e3ea67ae7bc8af75be52a73e6d
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SHA1
81dd3b38e189cd19bb62cffcf82652e124f23099
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SHA256
b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1
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SHA512
74c6c2e014de326b2a68d9a9164b75719a450975a502673f983d3013f02840a1ec3d3d1bcc3dc400b95f622b2f3fd6bedc76bc1b145f3c6b91602f6988e42279
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SSDEEP
12288:CMA1XlYcsasrYwYVQ7UsioJ8ijdV/EPUsWqunPfEzWfdkfvR1d/tXmwH:CM03s6w5UsPjD//sWqofEifG75tXvH
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:
jr520732.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr520732.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr520732.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr520732.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr520732.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr520732.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr520732.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 32 IoCs
Processes:
resource yara_rule behavioral1/memory/4012-157-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-158-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-160-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-162-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-165-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-171-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-169-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-173-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-175-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-177-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-179-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-181-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-183-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-185-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-187-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-189-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-195-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-197-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-193-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-199-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-191-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-201-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-203-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-205-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-207-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-209-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-211-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-213-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-215-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-217-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-221-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline behavioral1/memory/4012-219-0x00000000027B0000-0x00000000027EE000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
zinL7582.exejr520732.exeku168402.exelr143335.exepid process 2060 zinL7582.exe 380 jr520732.exe 4012 ku168402.exe 112 lr143335.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:
jr520732.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" jr520732.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:
zinL7582.exeb9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce zinL7582.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\\\"" zinL7582.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.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\\\"" b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.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 4364 4012 WerFault.exe ku168402.exe 1424 1172 WerFault.exe b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
jr520732.exeku168402.exelr143335.exepid process 380 jr520732.exe 380 jr520732.exe 4012 ku168402.exe 4012 ku168402.exe 112 lr143335.exe 112 lr143335.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
jr520732.exeku168402.exelr143335.exedescription pid process Token: SeDebugPrivilege 380 jr520732.exe Token: SeDebugPrivilege 4012 ku168402.exe Token: SeDebugPrivilege 112 lr143335.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exezinL7582.exedescription pid process target process PID 1172 wrote to memory of 2060 1172 b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exe zinL7582.exe PID 1172 wrote to memory of 2060 1172 b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exe zinL7582.exe PID 1172 wrote to memory of 2060 1172 b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exe zinL7582.exe PID 2060 wrote to memory of 380 2060 zinL7582.exe jr520732.exe PID 2060 wrote to memory of 380 2060 zinL7582.exe jr520732.exe PID 2060 wrote to memory of 4012 2060 zinL7582.exe ku168402.exe PID 2060 wrote to memory of 4012 2060 zinL7582.exe ku168402.exe PID 2060 wrote to memory of 4012 2060 zinL7582.exe ku168402.exe PID 1172 wrote to memory of 112 1172 b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exe lr143335.exe PID 1172 wrote to memory of 112 1172 b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exe lr143335.exe PID 1172 wrote to memory of 112 1172 b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exe lr143335.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exe"C:\Users\Admin\AppData\Local\Temp\b9fe33465bc8e2ab8fc3432a4c8949ec0b59393075502a5b3b5cb1da985a2db1.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zinL7582.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zinL7582.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr520732.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr520732.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:380
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku168402.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku168402.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4012 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 11404⤵
- Program crash
PID:4364
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr143335.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr143335.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1172 -s 4882⤵
- Program crash
PID:1424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4012 -ip 40121⤵PID:728
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1172 -ip 11721⤵PID:1720
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
404KB
MD5d715da6658524cd30303b7cb638c6263
SHA1ed0b406f5759da89df3b45895f9430ec55acbf2c
SHA25690684394c3e785fa7e12cf4540208c18579280d230649b87b595554095d0e775
SHA51200cc07b04cf7ee7c5d2b57f0b57e50d8f3790b0f7c75089aa3baf063bb18c696cd5ef1777c62596b35959c6937cec6750bd7304e0d748ce4f108a10587661f36
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Filesize
404KB
MD5d715da6658524cd30303b7cb638c6263
SHA1ed0b406f5759da89df3b45895f9430ec55acbf2c
SHA25690684394c3e785fa7e12cf4540208c18579280d230649b87b595554095d0e775
SHA51200cc07b04cf7ee7c5d2b57f0b57e50d8f3790b0f7c75089aa3baf063bb18c696cd5ef1777c62596b35959c6937cec6750bd7304e0d748ce4f108a10587661f36
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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
358KB
MD57a4a29c15ffeb297ac2c51d45d1383bf
SHA1e2a84c12b5a483680548d45f4602584161b7a9ae
SHA2561686f802a3863f6f45409ec31a29d5a3eda39e1f45135004d9ea852edcb382b6
SHA512856105aa0cfb2e0a02e597a73a9e725bb7cd8a690b9f34fa0ea5d91b20c5687e0d902814927168142ad6254555f52e4f9a9074bfa35e3c99b540766b678e5532
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Filesize
358KB
MD57a4a29c15ffeb297ac2c51d45d1383bf
SHA1e2a84c12b5a483680548d45f4602584161b7a9ae
SHA2561686f802a3863f6f45409ec31a29d5a3eda39e1f45135004d9ea852edcb382b6
SHA512856105aa0cfb2e0a02e597a73a9e725bb7cd8a690b9f34fa0ea5d91b20c5687e0d902814927168142ad6254555f52e4f9a9074bfa35e3c99b540766b678e5532