Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2024, 14:23
Static task
static1
Behavioral task
behavioral1
Sample
c497b020b46af87bb55c627357f5a4ff2d2b40427634a112ed7c336bcb34b23b.exe
Resource
win10v2004-20241007-en
General
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Target
c497b020b46af87bb55c627357f5a4ff2d2b40427634a112ed7c336bcb34b23b.exe
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Size
1.1MB
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MD5
de71c5f1a6451e3b8b1e8f321ddc98e3
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SHA1
f2684f1e4c9b53b28196952979179d37f2a756b0
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SHA256
c497b020b46af87bb55c627357f5a4ff2d2b40427634a112ed7c336bcb34b23b
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SHA512
dc2c8c4680d6d4a15d81a8bde2f40ab7061bc8ccb0d8cd3defa9a8ba20647f7a937add942761db38cf2298e53beec39a6384a70c19f0f5d7c324bd66a539f4be
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SSDEEP
24576:MypTyccchID79eGqzt4YzpJmknf+HJ8CdQ:7ps+ID78G8zbmknf+H1d
Malware Config
Extracted
redline
rumfa
193.233.20.24:4123
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auth_value
749d02a6b4ef1fa2ad908e44ec2296dc
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0008000000023caf-34.dat healer behavioral1/memory/4672-35-0x00000000007B0000-0x00000000007BA000-memory.dmp healer -
Healer family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" buiX79ZW51.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" buiX79ZW51.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" buiX79ZW51.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" buiX79ZW51.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" buiX79ZW51.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection buiX79ZW51.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 35 IoCs
resource yara_rule behavioral1/memory/3988-41-0x0000000002750000-0x0000000002796000-memory.dmp family_redline behavioral1/memory/3988-43-0x0000000005180000-0x00000000051C4000-memory.dmp family_redline behavioral1/memory/3988-44-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-57-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-103-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-107-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-105-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-101-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-99-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-97-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-95-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-91-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-93-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-89-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-87-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-83-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-81-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-79-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-77-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-75-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-73-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-71-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-69-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-65-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-63-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-61-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-59-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-55-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-53-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-51-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-49-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-47-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-45-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-85-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline behavioral1/memory/3988-67-0x0000000005180000-0x00000000051BE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 6 IoCs
pid Process 3460 plku03VQ91.exe 3564 plMY44ss91.exe 2496 plED51ia84.exe 3500 plwj23yN28.exe 4672 buiX79ZW51.exe 3988 carY51Ao85.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" buiX79ZW51.exe -
Adds Run key to start application 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" plED51ia84.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\"" plwj23yN28.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\\\"" c497b020b46af87bb55c627357f5a4ff2d2b40427634a112ed7c336bcb34b23b.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\\\"" plku03VQ91.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" plMY44ss91.exe -
System Location Discovery: System Language Discovery 1 TTPs 6 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 c497b020b46af87bb55c627357f5a4ff2d2b40427634a112ed7c336bcb34b23b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language plku03VQ91.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language plMY44ss91.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language plED51ia84.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language plwj23yN28.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language carY51Ao85.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4672 buiX79ZW51.exe 4672 buiX79ZW51.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4672 buiX79ZW51.exe Token: SeDebugPrivilege 3988 carY51Ao85.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3256 wrote to memory of 3460 3256 c497b020b46af87bb55c627357f5a4ff2d2b40427634a112ed7c336bcb34b23b.exe 86 PID 3256 wrote to memory of 3460 3256 c497b020b46af87bb55c627357f5a4ff2d2b40427634a112ed7c336bcb34b23b.exe 86 PID 3256 wrote to memory of 3460 3256 c497b020b46af87bb55c627357f5a4ff2d2b40427634a112ed7c336bcb34b23b.exe 86 PID 3460 wrote to memory of 3564 3460 plku03VQ91.exe 88 PID 3460 wrote to memory of 3564 3460 plku03VQ91.exe 88 PID 3460 wrote to memory of 3564 3460 plku03VQ91.exe 88 PID 3564 wrote to memory of 2496 3564 plMY44ss91.exe 89 PID 3564 wrote to memory of 2496 3564 plMY44ss91.exe 89 PID 3564 wrote to memory of 2496 3564 plMY44ss91.exe 89 PID 2496 wrote to memory of 3500 2496 plED51ia84.exe 90 PID 2496 wrote to memory of 3500 2496 plED51ia84.exe 90 PID 2496 wrote to memory of 3500 2496 plED51ia84.exe 90 PID 3500 wrote to memory of 4672 3500 plwj23yN28.exe 91 PID 3500 wrote to memory of 4672 3500 plwj23yN28.exe 91 PID 3500 wrote to memory of 3988 3500 plwj23yN28.exe 99 PID 3500 wrote to memory of 3988 3500 plwj23yN28.exe 99 PID 3500 wrote to memory of 3988 3500 plwj23yN28.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\c497b020b46af87bb55c627357f5a4ff2d2b40427634a112ed7c336bcb34b23b.exe"C:\Users\Admin\AppData\Local\Temp\c497b020b46af87bb55c627357f5a4ff2d2b40427634a112ed7c336bcb34b23b.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3256 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plku03VQ91.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plku03VQ91.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plMY44ss91.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plMY44ss91.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3564 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plED51ia84.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\plED51ia84.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plwj23yN28.exeC:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plwj23yN28.exe5⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3500 -
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buiX79ZW51.exeC:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buiX79ZW51.exe6⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4672
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C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\carY51Ao85.exeC:\Users\Admin\AppData\Local\Temp\IXP004.TMP\carY51Ao85.exe6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3988
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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
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Filesize
1018KB
MD5db5c6afb7b61d8c09ccedf21cb0f5fa3
SHA183ad989f879b2147b5c626d03b16ac7590e95446
SHA2562dded9b33295703636b1572f336c53f887673e4fe4f907f79415d131a63c29f7
SHA512feaeadece129a3b0e8059d0906f9c6b40ada18d750e721a29efc44d449d4ede13389b3cd9875ac5fe112651fb126867df7b195ee9eec3637320dd6070b13bf09
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Filesize
926KB
MD5dfd91305be7948f076f0328d985cac8d
SHA1d1bb1f4acd4e6ffacc9bb3b5dbf0248dfb7ffbe5
SHA2562e1e8aef8d7bdfefbd6803fbba5a5186f1a3a69c360b129059e6c67856f12379
SHA512e18a7472625481481ef7bb737507facfa47c12f6382949e4007e6a53b15c185c1b64f7541a0a5d05a23a99032e3eaeaaba079325b44ae3607a9712b4a3acda80
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Filesize
660KB
MD57dd5f168aca8aa0c06bf42c12fb4ea8c
SHA16ebee77862765fd840f8a36ded44f75a073b637b
SHA2560fe899f4f1158ec0cc6bf8257fec58ab24e37de8e65417f7305702eda773da4b
SHA512861fbd51f5c6cba2d0da82fe0c62bef02faffe32f0b9e675e59ece95ac39d22b2bc3437321edb387e79df250420f4d561fb2196ca3cba27d7dd9ebd8008607ea
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Filesize
388KB
MD53939b865246522cb95aeb64ebfc22209
SHA11a948bc7bc5996a16870f905a1c0047bcf7690a9
SHA256401c4c8328319fdb00bc25a4939f27bf2f9cccf79fe80ff3f13e2a02cbdf84ee
SHA51222d0900a8b977070fbc26f09198d8ad416d8e9afc6f6af1d59568a054bd2eb4f6b7f61c173b0a918eab8c3d09c67c873bcea9dbbaff7807f0052cbd33596e133
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Filesize
11KB
MD55836fc971ad0e822e318efbd37c22203
SHA1c04bbdbf90ba13e3da5ee5b52ad8fb04be0d507f
SHA256c293f1536e043931e997f04839e1eed545c977a71879127ef5dcf5a90929b0fc
SHA512909f763578e5a9287fb544d660151df31cf73302ee0104a5517766e2b419a76793ce5b32a0fe8b0f4cb3ae22bf7d9e44d4f06cdf40c16c0d443d6531e982f928
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Filesize
305KB
MD5e11ed6fc64ebc2ac86e3a4e39aa0b6b6
SHA1ad61736c537f06c5eda7ae7064b55a37b514eea1
SHA2568b09887654b84d73fdaf0d421b2d5910529cbfcd5a4848a23111c2612d3a1695
SHA51243e07b129d1b0269027fca92c05cd28fcecd5c9469df0b414ad24ba1b3270f6e55c2e5b67bc4734ec43d72e0609d58c068c23560716db14cd468031cb7b6b880