Analysis
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max time kernel
85s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
23-03-2023 23:22
Static task
static1
Behavioral task
behavioral1
Sample
4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exe
Resource
win10v2004-20230220-en
General
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Target
4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exe
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Size
546KB
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MD5
69009081eb41ce6590dc4955137c3ecb
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SHA1
571ab1bb96b35239c1fdf29b842aab1c87bcff67
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SHA256
4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d
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SHA512
db7f6799e0d4590341bbda4d65476872f2b594196214361efe7fe070ce67d219db570838ad6da03ef4a291e2a5229afa4e9764315d80dbdc9e095fc2c7d5a243
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SSDEEP
12288:6Mrky90FWUsJ8J3YiJ892/KGUryje0STTGhZUpX+QFLY0z:Cy89saJD8s/tWyqjuPWX+Qdlz
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:
pro8211.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro8211.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro8211.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro8211.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro8211.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro8211.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro8211.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/4860-159-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-158-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-161-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-163-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-165-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-167-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-169-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-171-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-173-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-175-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-177-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-179-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-181-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-183-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-185-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-187-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-189-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-191-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-193-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-195-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-197-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-199-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-201-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-203-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-205-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-207-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-209-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-211-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-213-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-215-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-217-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-219-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline behavioral1/memory/4860-221-0x0000000004CF0000-0x0000000004D2E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
unio8283.exepro8211.exequ8260.exesi614591.exepid process 1424 unio8283.exe 2192 pro8211.exe 4860 qu8260.exe 3824 si614591.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:
pro8211.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" pro8211.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:
4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exeunio8283.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.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\\\"" 4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio8283.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\\\"" unio8283.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 2976 4860 WerFault.exe qu8260.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro8211.exequ8260.exesi614591.exepid process 2192 pro8211.exe 2192 pro8211.exe 4860 qu8260.exe 4860 qu8260.exe 3824 si614591.exe 3824 si614591.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro8211.exequ8260.exesi614591.exedescription pid process Token: SeDebugPrivilege 2192 pro8211.exe Token: SeDebugPrivilege 4860 qu8260.exe Token: SeDebugPrivilege 3824 si614591.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exeunio8283.exedescription pid process target process PID 4652 wrote to memory of 1424 4652 4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exe unio8283.exe PID 4652 wrote to memory of 1424 4652 4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exe unio8283.exe PID 4652 wrote to memory of 1424 4652 4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exe unio8283.exe PID 1424 wrote to memory of 2192 1424 unio8283.exe pro8211.exe PID 1424 wrote to memory of 2192 1424 unio8283.exe pro8211.exe PID 1424 wrote to memory of 4860 1424 unio8283.exe qu8260.exe PID 1424 wrote to memory of 4860 1424 unio8283.exe qu8260.exe PID 1424 wrote to memory of 4860 1424 unio8283.exe qu8260.exe PID 4652 wrote to memory of 3824 4652 4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exe si614591.exe PID 4652 wrote to memory of 3824 4652 4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exe si614591.exe PID 4652 wrote to memory of 3824 4652 4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exe si614591.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exe"C:\Users\Admin\AppData\Local\Temp\4c77359d3430502da9958d6771fa43e8d243ba857638190605b060f6d847a20d.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio8283.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio8283.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro8211.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro8211.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2192
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8260.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8260.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4860 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 17724⤵
- Program crash
PID:2976
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si614591.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si614591.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4860 -ip 48601⤵PID:396
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
MD50d0fbf32302dee79d1155f2f977529b0
SHA16cce4c5687c17bc352e8d023b58dd8165c108bed
SHA2566fd37163187ebdef2f17a5c3134ed71a1f4712b9ad68f622b80adafdd3777647
SHA512252d6765558068865e08d0dc0cc524473c4f9943da828e26c42a83a48d6becc3e4eb7bea2101ce1e7d298934e959bcdcaf62e46085e0bf5ff7e8eda2b6fb201c
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Filesize
404KB
MD50d0fbf32302dee79d1155f2f977529b0
SHA16cce4c5687c17bc352e8d023b58dd8165c108bed
SHA2566fd37163187ebdef2f17a5c3134ed71a1f4712b9ad68f622b80adafdd3777647
SHA512252d6765558068865e08d0dc0cc524473c4f9943da828e26c42a83a48d6becc3e4eb7bea2101ce1e7d298934e959bcdcaf62e46085e0bf5ff7e8eda2b6fb201c
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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
MD5c06ae5bf62418f146ce0603b8466aaa9
SHA116d1e656d4a6ee98d03ec5d1c1abdb174a17e10b
SHA25695b7e195022f3bcfed4ad7996e8976d96f0d73e8e9e527db880373a74ec4a6a7
SHA51220ad2efeaf8688bccf2eaf51f4276cd77087d85850b5c8950d455fb3ea3654659464f81dc165928436662299862a6a9a0e7d0660268b330d4d476cc8f2a2abfb
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Filesize
358KB
MD5c06ae5bf62418f146ce0603b8466aaa9
SHA116d1e656d4a6ee98d03ec5d1c1abdb174a17e10b
SHA25695b7e195022f3bcfed4ad7996e8976d96f0d73e8e9e527db880373a74ec4a6a7
SHA51220ad2efeaf8688bccf2eaf51f4276cd77087d85850b5c8950d455fb3ea3654659464f81dc165928436662299862a6a9a0e7d0660268b330d4d476cc8f2a2abfb