Analysis
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max time kernel
105s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2023 08:00
Static task
static1
Behavioral task
behavioral1
Sample
0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exe
Resource
win10v2004-20230220-en
General
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Target
0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exe
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Size
683KB
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MD5
ccd14ae643089701f3e2e0c425399d87
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SHA1
8827a4b083a23ecadfe2d621c08dd4d7e5f2aae9
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SHA256
0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb
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SHA512
de3673f5381a2e2573262904d945365f5549bb0dbd078af21308da5388afa5ffd6dabcbf1f3194c64c404092efbf786baa73b6ed38d5a0d3482649faa9ebbdb8
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SSDEEP
12288:MMrXy90ohV+SNjjs7Ms/YIHFHFk/J/F3322dfUDMmkL3FaP3d:byXsS9jnlIllcJ/F33ZB3mkL4Pt
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
from
176.113.115.145:4125
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auth_value
8633e283485822a4a48f0a41d5397566
Signatures
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Processes:
pro7557.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro7557.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro7557.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro7557.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro7557.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro7557.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro7557.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/1948-193-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-196-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-198-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-200-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-190-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-202-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-204-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-206-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-210-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-208-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-212-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-214-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-216-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-218-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-220-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-222-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-224-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline behavioral1/memory/1948-226-0x0000000004E10000-0x0000000004E4F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
un296321.exepro7557.exequ9988.exesi506865.exepid process 3432 un296321.exe 4684 pro7557.exe 1948 qu9988.exe 4992 si506865.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:
pro7557.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro7557.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro7557.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:
0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exeun296321.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\\\"" 0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un296321.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\\\"" un296321.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.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 2948 4684 WerFault.exe pro7557.exe 4732 1948 WerFault.exe qu9988.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro7557.exequ9988.exesi506865.exepid process 4684 pro7557.exe 4684 pro7557.exe 1948 qu9988.exe 1948 qu9988.exe 4992 si506865.exe 4992 si506865.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro7557.exequ9988.exesi506865.exedescription pid process Token: SeDebugPrivilege 4684 pro7557.exe Token: SeDebugPrivilege 1948 qu9988.exe Token: SeDebugPrivilege 4992 si506865.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exeun296321.exedescription pid process target process PID 1180 wrote to memory of 3432 1180 0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exe un296321.exe PID 1180 wrote to memory of 3432 1180 0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exe un296321.exe PID 1180 wrote to memory of 3432 1180 0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exe un296321.exe PID 3432 wrote to memory of 4684 3432 un296321.exe pro7557.exe PID 3432 wrote to memory of 4684 3432 un296321.exe pro7557.exe PID 3432 wrote to memory of 4684 3432 un296321.exe pro7557.exe PID 3432 wrote to memory of 1948 3432 un296321.exe qu9988.exe PID 3432 wrote to memory of 1948 3432 un296321.exe qu9988.exe PID 3432 wrote to memory of 1948 3432 un296321.exe qu9988.exe PID 1180 wrote to memory of 4992 1180 0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exe si506865.exe PID 1180 wrote to memory of 4992 1180 0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exe si506865.exe PID 1180 wrote to memory of 4992 1180 0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exe si506865.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exe"C:\Users\Admin\AppData\Local\Temp\0548f281bc1f2d0dfb68a237f69c91943e18a787df4456118c6880c54db1a7eb.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un296321.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un296321.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3432 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7557.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7557.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4684 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4684 -s 10884⤵
- Program crash
PID:2948
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu9988.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu9988.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1948 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 15404⤵
- Program crash
PID:4732
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si506865.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si506865.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4684 -ip 46841⤵PID:3048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1948 -ip 19481⤵PID:576
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD53e7f15b160ecbf04eeff836d48763b13
SHA1dc4447f2558d23f0570a5224f0196565dd34ae61
SHA25663fad10f103ea3265d0f57b170098b62beb70c232690a1b74b222bacd65915a7
SHA512a1c22120a341c67956f179621be876e9cfd84e181d87d12bcc79815f0e5517b2ad2ce894146b2a1cafa4ef5c0c8e9c474d5dacaa4252c2d77ae40a953d1d04e4
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Filesize
175KB
MD53e7f15b160ecbf04eeff836d48763b13
SHA1dc4447f2558d23f0570a5224f0196565dd34ae61
SHA25663fad10f103ea3265d0f57b170098b62beb70c232690a1b74b222bacd65915a7
SHA512a1c22120a341c67956f179621be876e9cfd84e181d87d12bcc79815f0e5517b2ad2ce894146b2a1cafa4ef5c0c8e9c474d5dacaa4252c2d77ae40a953d1d04e4
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Filesize
541KB
MD58e60260e685d47d5f8fc918a498096ef
SHA13a2ed8de025b64d23061d00f18f7e7972c66e825
SHA2562b1f006c1ae481d8e10484c5265af411bd0d130fafe052fc36188d528e8877b1
SHA5127b632f953b35e1e877da21c4559abd9870635f0e338c8e59d4cf32420a06cc39e32c8a32bcefc9ae7ac2b1d90c3cea3f1c79d2c5a3efb8255aa02bdffcf69dac
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Filesize
541KB
MD58e60260e685d47d5f8fc918a498096ef
SHA13a2ed8de025b64d23061d00f18f7e7972c66e825
SHA2562b1f006c1ae481d8e10484c5265af411bd0d130fafe052fc36188d528e8877b1
SHA5127b632f953b35e1e877da21c4559abd9870635f0e338c8e59d4cf32420a06cc39e32c8a32bcefc9ae7ac2b1d90c3cea3f1c79d2c5a3efb8255aa02bdffcf69dac
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Filesize
321KB
MD5a8a0fe504b8138e03b4e19fe82a970e5
SHA1408dfa16d1ec8dca736a32927487035963d59c34
SHA2561c63defe7689cda7cef067e19c533404f5ffc42625023d81e5042cbf48086c0b
SHA512f1d430f8f867f736db4322560d01797d48d9b7d82652308a2ccf6b90e06177775a558f7b06e6af72ea078362058ab743549db082f03162c36c618d994b1e16b2
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Filesize
321KB
MD5a8a0fe504b8138e03b4e19fe82a970e5
SHA1408dfa16d1ec8dca736a32927487035963d59c34
SHA2561c63defe7689cda7cef067e19c533404f5ffc42625023d81e5042cbf48086c0b
SHA512f1d430f8f867f736db4322560d01797d48d9b7d82652308a2ccf6b90e06177775a558f7b06e6af72ea078362058ab743549db082f03162c36c618d994b1e16b2
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Filesize
380KB
MD51e0ec80e99aca97f490b53038c79061f
SHA1c480c83f72891899e572d16469c93bb159454269
SHA2560b317853338ccf5a0febd6e38a6b46375e36119fec41b9cbc4e8e6baaf4ea708
SHA5125155367f0d890fc87355d4f45aaa28c8e02b1cb5f989b38c2d0cb133437feed2331ea50ad85dee7048892064a3cddb6b21dd22d4c33825c9922eeb4bb48b9bc1
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Filesize
380KB
MD51e0ec80e99aca97f490b53038c79061f
SHA1c480c83f72891899e572d16469c93bb159454269
SHA2560b317853338ccf5a0febd6e38a6b46375e36119fec41b9cbc4e8e6baaf4ea708
SHA5125155367f0d890fc87355d4f45aaa28c8e02b1cb5f989b38c2d0cb133437feed2331ea50ad85dee7048892064a3cddb6b21dd22d4c33825c9922eeb4bb48b9bc1