Analysis
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max time kernel
78s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
25-03-2023 05:18
Static task
static1
Behavioral task
behavioral1
Sample
f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.exe
Resource
win10v2004-20230220-en
General
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Target
f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.exe
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Size
727KB
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MD5
952b6bd83483282a40670d96b9d898f2
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SHA1
b459effecb293d04739bfcd7917c882ca0b68d6a
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SHA256
f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3
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SHA512
d70e75e15fabe5c3ef8937446d52c6f2f93981bd239a672c2e04c061c00ae606f0cdd84a3b4ee4c1bd338ef03959f00d0194f89f3e8434206dd370b3ae47b780
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SSDEEP
12288:JUncFmjm+9WPtD3BDyTNqHJ1zWPQU7ICRsUb5bmybnJ9kK2vxR:Jqjj4BuRy1WYCRsUb57i
Malware Config
Extracted
redline
boris
193.233.20.32:4125
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auth_value
766b5bdf6dbefcf7ca223351952fc38f
Extracted
redline
firmu
193.233.20.32:4125
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auth_value
9f3e5e35e4a3a38fc36c5a851728aa33
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr683043.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr683043.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr683043.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr683043.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr683043.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr683043.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/3076-158-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-159-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-161-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-163-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-165-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-168-0x0000000007200000-0x0000000007210000-memory.dmp family_redline behavioral1/memory/3076-169-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-172-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-174-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-176-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-178-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-180-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-182-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-184-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-186-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-188-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-190-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-192-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-194-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-196-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-198-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-200-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-202-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-204-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-206-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-208-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-210-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-212-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-214-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-216-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-218-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-220-0x0000000007130000-0x000000000716F000-memory.dmp family_redline behavioral1/memory/3076-222-0x0000000007130000-0x000000000716F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 5092 zicD8762.exe 904 jr683043.exe 3076 ku134912.exe 4380 lr230803.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" jr683043.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 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\\\"" f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce zicD8762.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\\\"" zicD8762.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.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
pid pid_target Process procid_target 1904 3076 WerFault.exe 92 4212 4648 WerFault.exe 85 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 904 jr683043.exe 904 jr683043.exe 3076 ku134912.exe 3076 ku134912.exe 4380 lr230803.exe 4380 lr230803.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 904 jr683043.exe Token: SeDebugPrivilege 3076 ku134912.exe Token: SeDebugPrivilege 4380 lr230803.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4648 wrote to memory of 5092 4648 f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.exe 86 PID 4648 wrote to memory of 5092 4648 f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.exe 86 PID 4648 wrote to memory of 5092 4648 f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.exe 86 PID 5092 wrote to memory of 904 5092 zicD8762.exe 87 PID 5092 wrote to memory of 904 5092 zicD8762.exe 87 PID 5092 wrote to memory of 3076 5092 zicD8762.exe 92 PID 5092 wrote to memory of 3076 5092 zicD8762.exe 92 PID 5092 wrote to memory of 3076 5092 zicD8762.exe 92 PID 4648 wrote to memory of 4380 4648 f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.exe 99 PID 4648 wrote to memory of 4380 4648 f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.exe 99 PID 4648 wrote to memory of 4380 4648 f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.exe"C:\Users\Admin\AppData\Local\Temp\f57e6f2d50b19fa87716244245fd83cbdb5b848e039f73d658754c7f90bcebf3.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zicD8762.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zicD8762.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5092 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr683043.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr683043.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:904
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku134912.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku134912.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3076 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 13284⤵
- Program crash
PID:1904
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr230803.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr230803.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 4242⤵
- Program crash
PID:4212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3076 -ip 30761⤵PID:2424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4648 -ip 46481⤵PID:2620
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD56b780eb9c71d7b15142e05f33765678b
SHA11b853b28e715a7c7a8e4a39567e7b22697265741
SHA2562067ab13d0198979bf52e0b0e37bc9187cb178517620826424fc3c9f41c06d76
SHA512a149005b933b4a7739cf723ee1fec219e8eb2019fbe5300a807383aae83c46e60d0fcd8f3b1f5cb8d85556ade4567db91ecdaa4fdbbc87350d5cb7b1f4274314
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Filesize
175KB
MD56b780eb9c71d7b15142e05f33765678b
SHA11b853b28e715a7c7a8e4a39567e7b22697265741
SHA2562067ab13d0198979bf52e0b0e37bc9187cb178517620826424fc3c9f41c06d76
SHA512a149005b933b4a7739cf723ee1fec219e8eb2019fbe5300a807383aae83c46e60d0fcd8f3b1f5cb8d85556ade4567db91ecdaa4fdbbc87350d5cb7b1f4274314
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Filesize
414KB
MD5bdc5b00970a11c4210511cad06fbfa3a
SHA1b178e1ea7f36874823beaa9a9e6c56c5d8055db4
SHA25661c4c7b43d10088783b8493aace4cee253a1632f4a79c2e0b2ff539209ba868e
SHA512d20ea017764f5ec11db9422b213fedfdbcfcf703860d75973fadb590c9d45651a511fc18bc82d6113ef40d8327f24127b311e85551101e16414e2b7f69140f91
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Filesize
414KB
MD5bdc5b00970a11c4210511cad06fbfa3a
SHA1b178e1ea7f36874823beaa9a9e6c56c5d8055db4
SHA25661c4c7b43d10088783b8493aace4cee253a1632f4a79c2e0b2ff539209ba868e
SHA512d20ea017764f5ec11db9422b213fedfdbcfcf703860d75973fadb590c9d45651a511fc18bc82d6113ef40d8327f24127b311e85551101e16414e2b7f69140f91
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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
386KB
MD5cf46f81c22a53aa2022397fb0153be27
SHA17e7d3d8ed973b4f9678effe884dad7c9a719901d
SHA25661f8bdb21162325efc156c649086127e04ed5de4db26dbec7871c522c56d7816
SHA512f6bc361afe309bc3052f6570ffbc9c6c3666febee9333edb72885b070ef5d8d688b845bcd590dc04e4bc16c029e416e720ac260163eafc6769f4c8cdefd3616d
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Filesize
386KB
MD5cf46f81c22a53aa2022397fb0153be27
SHA17e7d3d8ed973b4f9678effe884dad7c9a719901d
SHA25661f8bdb21162325efc156c649086127e04ed5de4db26dbec7871c522c56d7816
SHA512f6bc361afe309bc3052f6570ffbc9c6c3666febee9333edb72885b070ef5d8d688b845bcd590dc04e4bc16c029e416e720ac260163eafc6769f4c8cdefd3616d