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Analysis
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max time kernel
120s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2023, 20:36
Static task
static1
Behavioral task
behavioral1
Sample
a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe
Resource
win10v2004-20230220-en
General
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Target
a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe
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Size
385KB
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MD5
94c9a0e45e548e3ede918ae4b347b854
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SHA1
36688ce0388208a2ff3485b1fc0473003582edd4
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SHA256
a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4
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SHA512
b002550bbb0217ddcf9b62ddce1b6f4a5fd75534f4ee3fe095297045dc022b6ec22022d20a34527fda31ad1b9ded75c531e8063564d5dd35fb83f6df61709cc1
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SSDEEP
6144:Kuy+bnr+Jp0yN90QEP008vMO+A8zJ6pqyJ4R5fQUIp5nVZRmLnLriillu:+MrBy90yT+A8zJC7J4RK3ppVKLdlu
Malware Config
Extracted
redline
mango
193.233.20.28:4125
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auth_value
ecf79d7f5227d998a3501c972d915d23
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s7196Rb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s7196Rb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s7196Rb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s7196Rb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s7196Rb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" s7196Rb.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
resource yara_rule behavioral1/memory/1200-147-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-148-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-150-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-154-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-157-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-160-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-162-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-164-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-166-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-168-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-170-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-172-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-174-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-176-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-178-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-180-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-182-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-184-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-186-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-188-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-190-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-192-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-194-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-196-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-198-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-200-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-202-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-204-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-206-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-208-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-210-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-212-0x0000000005010000-0x000000000504E000-memory.dmp family_redline behavioral1/memory/1200-214-0x0000000005010000-0x000000000504E000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
pid Process 560 s7196Rb.exe 1200 t82eB31.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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" s7196Rb.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
description 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\\\"" a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.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
pid pid_target Process procid_target 2840 1200 WerFault.exe 96 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 560 s7196Rb.exe 560 s7196Rb.exe 1200 t82eB31.exe 1200 t82eB31.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 560 s7196Rb.exe Token: SeDebugPrivilege 1200 t82eB31.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2244 wrote to memory of 560 2244 a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe 86 PID 2244 wrote to memory of 560 2244 a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe 86 PID 2244 wrote to memory of 1200 2244 a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe 96 PID 2244 wrote to memory of 1200 2244 a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe 96 PID 2244 wrote to memory of 1200 2244 a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe"C:\Users\Admin\AppData\Local\Temp\a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s7196Rb.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s7196Rb.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:560
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t82eB31.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t82eB31.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1200 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 9803⤵
- Program crash
PID:2840
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1200 -ip 12001⤵PID:5096
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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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
307KB
MD5b38442ac9576002c1a86151bb7ff6314
SHA1c23eb6fd9e5ad95b0617e47636e4cccf1d50c199
SHA256d5388c7c2b3d1d1f78bf05fa921d08da77dbd95bda870dd6586ef454f1baf057
SHA51204ec82e5f89dbebaf334979871810f97ace765dba1f8a903abd4de177f38e421163b0fef119af1506f74b5634a32bf869873e611c8f5a0eef3af5cf1c0f281fe
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Filesize
307KB
MD5b38442ac9576002c1a86151bb7ff6314
SHA1c23eb6fd9e5ad95b0617e47636e4cccf1d50c199
SHA256d5388c7c2b3d1d1f78bf05fa921d08da77dbd95bda870dd6586ef454f1baf057
SHA51204ec82e5f89dbebaf334979871810f97ace765dba1f8a903abd4de177f38e421163b0fef119af1506f74b5634a32bf869873e611c8f5a0eef3af5cf1c0f281fe