Analysis
-
max time kernel
109s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
08-03-2023 12:23
Static task
static1
Behavioral task
behavioral1
Sample
87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe
Resource
win10v2004-20230221-en
General
-
Target
87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe
-
Size
386KB
-
MD5
6b25749a094642108dace3cdbc7d8d8f
-
SHA1
85798056e35f2f237efdc7b4cbd1a22542107a81
-
SHA256
87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449
-
SHA512
4d91e5a5a80d3ee6cf5ef1ca08ea5caef55c3de00878331da058cb978006c167aee203dd6257fbd7afd85e2647526665a952010d3a9bf5ee4e217f8a0c2c586c
-
SSDEEP
12288:fMrKy90k2qM4kxxa3nWyFccv5HHFqbt7:xy/Mla3WyFccvJlqb9
Malware Config
Extracted
redline
mango
193.233.20.28:4125
-
auth_value
ecf79d7f5227d998a3501c972d915d23
Signatures
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s8303da.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" s8303da.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s8303da.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s8303da.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s8303da.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s8303da.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine payload 33 IoCs
resource yara_rule behavioral1/memory/4280-151-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-152-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-154-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-156-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-158-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-160-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-162-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-164-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-166-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-168-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-170-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-172-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-174-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-176-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-178-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-180-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-182-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-184-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-186-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-188-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-190-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-192-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-194-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-196-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-198-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-200-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-202-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-204-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-206-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-208-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-210-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-212-0x0000000002710000-0x000000000274E000-memory.dmp family_redline behavioral1/memory/4280-214-0x0000000002710000-0x000000000274E000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
pid Process 1308 s8303da.exe 4280 t73FQ23.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" s8303da.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.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\\\"" 87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Program crash 1 IoCs
pid pid_target Process procid_target 2784 4280 WerFault.exe 88 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1308 s8303da.exe 1308 s8303da.exe 4280 t73FQ23.exe 4280 t73FQ23.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1308 s8303da.exe Token: SeDebugPrivilege 4280 t73FQ23.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1716 wrote to memory of 1308 1716 87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe 87 PID 1716 wrote to memory of 1308 1716 87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe 87 PID 1716 wrote to memory of 4280 1716 87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe 88 PID 1716 wrote to memory of 4280 1716 87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe 88 PID 1716 wrote to memory of 4280 1716 87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe"C:\Users\Admin\AppData\Local\Temp\87fc241102815d52cc2ba4c6e7e0fe851d58e1acf59f151bcb7329132fae0449.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s8303da.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s8303da.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1308
-
-
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t73FQ23.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t73FQ23.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4280 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 19683⤵
- Program crash
PID:2784
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4280 -ip 42801⤵PID:3220
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
-
Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
-
Filesize
301KB
MD5f4006c4e6f3575eb5dd28d933e787962
SHA1b8b8c2ff9434c35ec4cf9b3be3cf51dc2c69bb9b
SHA2561a05e9fcc4a4f16f3dff7e6447847604eeb050fb0f5eb96aeddfdc2069165f46
SHA512bd0235cd7f726bda71cf2aa4a2c60ab6026ad785d894b62866a62d66fb55957eaad535e54e7b557a9b0bb6217eb5a3ff25ae00ed6e1e203af627dd07aa3f7376
-
Filesize
301KB
MD5f4006c4e6f3575eb5dd28d933e787962
SHA1b8b8c2ff9434c35ec4cf9b3be3cf51dc2c69bb9b
SHA2561a05e9fcc4a4f16f3dff7e6447847604eeb050fb0f5eb96aeddfdc2069165f46
SHA512bd0235cd7f726bda71cf2aa4a2c60ab6026ad785d894b62866a62d66fb55957eaad535e54e7b557a9b0bb6217eb5a3ff25ae00ed6e1e203af627dd07aa3f7376