Analysis
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max time kernel
148s -
max time network
150s -
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 13:41
Static task
static1
Behavioral task
behavioral1
Sample
7525726fef574a7d265c4b63ce8e43e10006e91414774d37ead32537ad650da4.exe
Resource
win10v2004-20241007-en
General
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Target
7525726fef574a7d265c4b63ce8e43e10006e91414774d37ead32537ad650da4.exe
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Size
693KB
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MD5
39035a87737d8415fd065125906c3d12
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SHA1
7af99a65ab7fcd41ad6c07a4e571f29fad798d4c
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SHA256
7525726fef574a7d265c4b63ce8e43e10006e91414774d37ead32537ad650da4
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SHA512
1560fa4f819380268a2bcee5861244140708fcdfc6dbe882186ae78a5c8bdd40e9f3d2eb52e5f9a884cb1361d2484c687909b71ac7715eb883c4c3c7dbb17d73
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SSDEEP
12288:2Mrry90j8UmeACtPGB8VyYumHBDB5FKwqNVOnuaFb9SHEZamOAZ+x8piCe7/uq:Fyx23t4xmHBbFKtVOntl9SHoun0Pe7/L
Malware Config
Extracted
redline
ruzhpe
pepunn.com:4162
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auth_value
f735ced96ae8d01d0bd1d514240e54e0
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
resource yara_rule behavioral1/memory/3560-17-0x00000000049C0000-0x00000000049DA000-memory.dmp healer behavioral1/memory/3560-19-0x0000000004C00000-0x0000000004C18000-memory.dmp healer behavioral1/memory/3560-22-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-26-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-46-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-44-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-41-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-39-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-48-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-36-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-34-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-32-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-30-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-28-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-24-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-21-0x0000000004C00000-0x0000000004C12000-memory.dmp healer behavioral1/memory/3560-42-0x0000000004C00000-0x0000000004C12000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection urQT33ij66.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" urQT33ij66.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" urQT33ij66.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" urQT33ij66.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" urQT33ij66.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" urQT33ij66.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
resource yara_rule behavioral1/memory/4940-59-0x0000000004B00000-0x0000000004B46000-memory.dmp family_redline behavioral1/memory/4940-60-0x00000000071C0000-0x0000000007204000-memory.dmp family_redline behavioral1/memory/4940-72-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-94-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-92-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-91-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-88-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-86-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-84-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-82-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-80-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-78-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-76-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-74-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-70-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-68-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-67-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-64-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-62-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline behavioral1/memory/4940-61-0x00000000071C0000-0x00000000071FE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 4752 ycke65qq88.exe 3560 urQT33ij66.exe 4940 wraA50wM92.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features urQT33ij66.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" urQT33ij66.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\\\"" 7525726fef574a7d265c4b63ce8e43e10006e91414774d37ead32537ad650da4.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\\\"" ycke65qq88.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4540 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3376 3560 WerFault.exe 85 -
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 7525726fef574a7d265c4b63ce8e43e10006e91414774d37ead32537ad650da4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ycke65qq88.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language urQT33ij66.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wraA50wM92.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3560 urQT33ij66.exe 3560 urQT33ij66.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3560 urQT33ij66.exe Token: SeDebugPrivilege 4940 wraA50wM92.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 424 wrote to memory of 4752 424 7525726fef574a7d265c4b63ce8e43e10006e91414774d37ead32537ad650da4.exe 84 PID 424 wrote to memory of 4752 424 7525726fef574a7d265c4b63ce8e43e10006e91414774d37ead32537ad650da4.exe 84 PID 424 wrote to memory of 4752 424 7525726fef574a7d265c4b63ce8e43e10006e91414774d37ead32537ad650da4.exe 84 PID 4752 wrote to memory of 3560 4752 ycke65qq88.exe 85 PID 4752 wrote to memory of 3560 4752 ycke65qq88.exe 85 PID 4752 wrote to memory of 3560 4752 ycke65qq88.exe 85 PID 4752 wrote to memory of 4940 4752 ycke65qq88.exe 97 PID 4752 wrote to memory of 4940 4752 ycke65qq88.exe 97 PID 4752 wrote to memory of 4940 4752 ycke65qq88.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\7525726fef574a7d265c4b63ce8e43e10006e91414774d37ead32537ad650da4.exe"C:\Users\Admin\AppData\Local\Temp\7525726fef574a7d265c4b63ce8e43e10006e91414774d37ead32537ad650da4.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:424 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycke65qq88.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycke65qq88.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urQT33ij66.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urQT33ij66.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:3560 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 10764⤵
- Program crash
PID:3376
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wraA50wM92.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wraA50wM92.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3560 -ip 35601⤵PID:3424
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:4540
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
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Downloads
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Filesize
548KB
MD55ba3294247d435017f364004cf99cb9d
SHA120c9345dfd3858c206e75c4cc869bf8a7af7b355
SHA256c6364c818f2c407cad10f3a61422c17332ffa7c69a68c9850f85d079b7abf316
SHA512f42b7d1d1995fc49cceae61a4cfb396df26d8f4efb36dac94635660d143423a21466d2fab5b1e3972615e5f8b0aaf387fe0cd172114c77f91b0e8040b0597370
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Filesize
352KB
MD56345b3da7da3d9a3012ba87a252a29f6
SHA1a36f23e5d0802652705df132bce0a8589ff5e7bf
SHA256caf994d14f8b0767df1e38508af9bb7816673aa0b6fc7fbf591a135e3173b7df
SHA5123d82f717809ab81fa0fdb60d262af1547d12a69331b755d02ec94a250f4e25c5aa1adc910381e91bf4d9b32aa8f281f1252e5912068d0378461890a5893fae82
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Filesize
410KB
MD5cc1e39c942634bbd04ef3eb880af3cb4
SHA1390ee64e70074c204d8c7fc736e69b91940375bc
SHA25698f330627fe244da794aa21cd74d45861fab6d06f9fedc1bcc02eaf434adacec
SHA512f66cac5ccd3318e7c9baca955b64b22f9cb96693557dcf13a7e334878a0e3c2bc18f1757432b78b6c06c28c91881fb2436fc0641f6eb75a57167a4254cb470d2