Analysis
-
max time kernel
126s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-11-2024 14:40
Static task
static1
Behavioral task
behavioral1
Sample
671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe
Resource
win10v2004-20241007-en
General
-
Target
671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe
-
Size
500KB
-
MD5
b35aac2302710b58e603a478c976a21f
-
SHA1
d3aeb8905432d1a5501d2cf658ea9697732bbb10
-
SHA256
671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4
-
SHA512
656ec607d2cfb008bd8ce7090d08d10379fe8fdb9999881702b86ff1cdf1834aee9663b6f1d9e9161e666dd25e22f3b9b42e6b5abd6f19bd8f3024b1edaba3ef
-
SSDEEP
12288:0MrAy90gwzXcGeMWbY7ezPp002W/TiFSgNxtj:cykLcUYY+GpW/QVNj
Malware Config
Extracted
redline
fukia
193.233.20.13:4136
-
auth_value
e5783636fbd9e4f0cf9a017bce02e67e
Signatures
-
Detects Healer an antivirus disabler dropper 19 IoCs
resource yara_rule behavioral1/files/0x0008000000023c93-12.dat healer behavioral1/memory/4692-15-0x0000000000780000-0x000000000078A000-memory.dmp healer behavioral1/memory/2296-21-0x0000000004AE0000-0x0000000004AFA000-memory.dmp healer behavioral1/memory/2296-23-0x0000000004B60000-0x0000000004B78000-memory.dmp healer behavioral1/memory/2296-51-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-49-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-48-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-45-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-43-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-41-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-39-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-37-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-35-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-33-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-31-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-29-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-27-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-24-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/2296-25-0x0000000004B60000-0x0000000004B72000-memory.dmp healer -
Healer family
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dET40uo.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dET40uo.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dET40uo.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection eLN24Ok.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" eLN24Ok.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" eLN24Ok.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" eLN24Ok.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dET40uo.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dET40uo.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dET40uo.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" eLN24Ok.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" eLN24Ok.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine payload 2 IoCs
resource yara_rule behavioral1/files/0x0007000000023c91-57.dat family_redline behavioral1/memory/4428-58-0x0000000000870000-0x00000000008A2000-memory.dmp family_redline -
Redline family
-
Executes dropped EXE 4 IoCs
pid Process 1708 nRK61PA42.exe 4692 dET40uo.exe 2296 eLN24Ok.exe 4428 fhj83pI.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" eLN24Ok.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dET40uo.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features eLN24Ok.exe -
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\\\"" 671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.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\\\"" nRK61PA42.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4576 2296 WerFault.exe 95 -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nRK61PA42.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eLN24Ok.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fhj83pI.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4692 dET40uo.exe 4692 dET40uo.exe 2296 eLN24Ok.exe 2296 eLN24Ok.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4692 dET40uo.exe Token: SeDebugPrivilege 2296 eLN24Ok.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4676 wrote to memory of 1708 4676 671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe 83 PID 4676 wrote to memory of 1708 4676 671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe 83 PID 4676 wrote to memory of 1708 4676 671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe 83 PID 1708 wrote to memory of 4692 1708 nRK61PA42.exe 84 PID 1708 wrote to memory of 4692 1708 nRK61PA42.exe 84 PID 1708 wrote to memory of 2296 1708 nRK61PA42.exe 95 PID 1708 wrote to memory of 2296 1708 nRK61PA42.exe 95 PID 1708 wrote to memory of 2296 1708 nRK61PA42.exe 95 PID 4676 wrote to memory of 4428 4676 671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe 100 PID 4676 wrote to memory of 4428 4676 671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe 100 PID 4676 wrote to memory of 4428 4676 671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe"C:\Users\Admin\AppData\Local\Temp\671365ca3ad7867ef69b74c76a861c8de197d88e86a9f681c49ff703945c0dd4.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4676 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nRK61PA42.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dET40uo.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dET40uo.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4692
-
-
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eLN24Ok.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2296 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 10684⤵
- Program crash
PID:4576
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhj83pI.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhj83pI.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4428
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2296 -ip 22961⤵PID:4432
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2
-
Filesize
355KB
MD5e96ed6c721d7d6653dc3d5b84286d64b
SHA14a060322b6e9fa05136dbf87fba48ae1f0ce8557
SHA2569ff31f5192a99517a5afe2e114e8b89439cb2e51624793b5da3afc212908d05e
SHA5122a0c93fc621310e0db514490c9cb2173a7b0196b2d8f850e1c0a6377031d15157db96a23b00ab3e9b07339e093b435c5362af86a7c2a15e67a8460e61fb04915
-
Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
-
Filesize
295KB
MD5dd0adf92524d842b17843e3a38769564
SHA14b34fbf5dade2193630f92053be9f0dcfe563d3c
SHA256489cdd40de47bde8a31100897afafb3213c01de9cab0bc656e3cbf01c48e3682
SHA5127fbb9c9ad3df3bfd0ae3741bf76c92bdd9ea3f23e1316f4948a60e1efc3ff6dcbd4d37d7da725659fa38a0cbc0fc41d1dc85515d56b15af5cbf891bfe6853bc2