Analysis
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max time kernel
143s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
09-03-2023 04:25
Static task
static1
Behavioral task
behavioral1
Sample
a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2.exe
Resource
win10v2004-20230220-en
General
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Target
a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2.exe
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Size
393KB
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MD5
d09857742d82594bde04d2ed674e83c5
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SHA1
858c9e98434c886877b517bd980ed995f21253f8
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SHA256
a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2
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SHA512
5763665547b47685bfde45e8e6da877312087bed49ef4b47f169046d14137f40cc34a87def817a5255fc45529c9cacd45566998e8c68086b9de02dddb1367487
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SSDEEP
6144:Kfy+bnr+Vp0yN90QEj7N9Je8brlCnfrPkEYhvakTIQ68FM2IMrBHdF:JMr1y90RNFVczPkxhv/IQ68FHF
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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s1205YF.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s1205YF.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s1205YF.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s1205YF.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" s1205YF.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s1205YF.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 34 IoCs
resource yara_rule behavioral1/memory/4304-148-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-149-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-151-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-153-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-155-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-159-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-161-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-157-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-164-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-170-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-172-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-176-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-174-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-178-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-168-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-180-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-186-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-184-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-182-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-188-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-190-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-198-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-200-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-196-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-194-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-202-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-192-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-206-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-204-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-208-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-210-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-212-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-214-0x0000000002400000-0x000000000243E000-memory.dmp family_redline behavioral1/memory/4304-1067-0x0000000004CC0000-0x0000000004CD0000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
pid Process 3428 s1205YF.exe 4304 t90KJ07.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" s1205YF.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 Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2.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\\\"" a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2.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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Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4040 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1468 4304 WerFault.exe 94 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3428 s1205YF.exe 3428 s1205YF.exe 4304 t90KJ07.exe 4304 t90KJ07.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3428 s1205YF.exe Token: SeDebugPrivilege 4304 t90KJ07.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4320 wrote to memory of 3428 4320 a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2.exe 85 PID 4320 wrote to memory of 3428 4320 a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2.exe 85 PID 4320 wrote to memory of 4304 4320 a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2.exe 94 PID 4320 wrote to memory of 4304 4320 a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2.exe 94 PID 4320 wrote to memory of 4304 4320 a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2.exe"C:\Users\Admin\AppData\Local\Temp\a6a82e1cf327284bd57c92a4d36abb48654523a05e4a509df2fa23cd194238e2.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4320 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s1205YF.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s1205YF.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3428
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t90KJ07.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t90KJ07.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4304 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 13443⤵
- Program crash
PID:1468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4304 -ip 43041⤵PID:1896
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:4040
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
323KB
MD5a18bc052dac76e8b0b9945594d2e8eab
SHA19342f954e199cb1e8375daf861d91b877f1c6ad9
SHA256d8a2a5c2cc4691861d4f8409f2877cac35b3e82ae94b90a45160ae204a4cf7d2
SHA512898156d3be9e60ae438033b2b9d9d30891781cb43841dd00e3dc6431d9ae458d61fd060348a6780d5d594b08c2a67978a62e81a37d7d777c8c8d5868ebdd33b6
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Filesize
323KB
MD5a18bc052dac76e8b0b9945594d2e8eab
SHA19342f954e199cb1e8375daf861d91b877f1c6ad9
SHA256d8a2a5c2cc4691861d4f8409f2877cac35b3e82ae94b90a45160ae204a4cf7d2
SHA512898156d3be9e60ae438033b2b9d9d30891781cb43841dd00e3dc6431d9ae458d61fd060348a6780d5d594b08c2a67978a62e81a37d7d777c8c8d5868ebdd33b6