Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2024 06:18
Static task
static1
Behavioral task
behavioral1
Sample
5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe
Resource
win10v2004-20241007-en
General
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Target
5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe
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Size
478KB
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MD5
94bbff58a36f30112071d49d48d3103f
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SHA1
db3232656041c447729e39fd7b0a8163e0d3160d
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SHA256
5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c
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SHA512
293f8195c6088cec91f897ac629ea3aef8933d0576eabd53046c9cf732d4995d2ce2243104e15433d5f2b7cfea0549f496ed567087a0ab6a8806c07b6bfb6dd5
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SSDEEP
12288:/MrRy905yppeeRiLaYx+rmFedQxzZGYG:Wy4yppziLtxsvdQi/
Malware Config
Extracted
redline
fukia
193.233.20.13:4136
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auth_value
e5783636fbd9e4f0cf9a017bce02e67e
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
resource yara_rule behavioral1/memory/1780-19-0x00000000024D0000-0x00000000024EA000-memory.dmp healer behavioral1/memory/1780-21-0x00000000027F0000-0x0000000002808000-memory.dmp healer behavioral1/memory/1780-49-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-47-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-45-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-44-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-41-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-40-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-37-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-36-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-33-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-31-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-29-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-27-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-25-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-23-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/1780-22-0x00000000027F0000-0x0000000002802000-memory.dmp healer -
Healer family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" bfX82Zp.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" bfX82Zp.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" bfX82Zp.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" bfX82Zp.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" bfX82Zp.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection bfX82Zp.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
resource yara_rule behavioral1/files/0x0007000000023cb4-58.dat family_redline behavioral1/memory/2628-60-0x0000000000850000-0x0000000000882000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 3664 nQb08CW.exe 1780 bfX82Zp.exe 2628 dYO57vY.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features bfX82Zp.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" bfX82Zp.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" nQb08CW.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\\\"" 5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1232 1780 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 5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nQb08CW.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bfX82Zp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dYO57vY.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1780 bfX82Zp.exe 1780 bfX82Zp.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1780 bfX82Zp.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1468 wrote to memory of 3664 1468 5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe 83 PID 1468 wrote to memory of 3664 1468 5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe 83 PID 1468 wrote to memory of 3664 1468 5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe 83 PID 3664 wrote to memory of 1780 3664 nQb08CW.exe 85 PID 3664 wrote to memory of 1780 3664 nQb08CW.exe 85 PID 3664 wrote to memory of 1780 3664 nQb08CW.exe 85 PID 3664 wrote to memory of 2628 3664 nQb08CW.exe 96 PID 3664 wrote to memory of 2628 3664 nQb08CW.exe 96 PID 3664 wrote to memory of 2628 3664 nQb08CW.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe"C:\Users\Admin\AppData\Local\Temp\5b740e6f4f82ac10ccb9b71494599f4ffe41d84a19326ee6e8117a6cda962c9c.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1468 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nQb08CW.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bfX82Zp.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:1780 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 10764⤵
- Program crash
PID:1232
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYO57vY.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYO57vY.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1780 -ip 17801⤵PID:4660
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
374KB
MD58ccb8ffe287428a019d57e36066ff7d0
SHA1dbc527abd8a74065d828afbf270fe47abc3ab114
SHA256589f5928b2b134378a43d65cc279c318a20809ec7ea271422b4d1b6c9c4286a7
SHA512e34872d82d0c48c14248824c48de669d14c71c7df3ba5494810287a2c76cfd6bc308bcc70dfa82a8a60a1c17afc014d383d9fc898b33398bcecbd5ba0e878993
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Filesize
234KB
MD5353c989b6b901edf860a132aa278144c
SHA1b900aeb6427096ba11bc80552d71b8de14a3f921
SHA25613f7ba7f9d4ef700b504fb077fc13b1d0fd008456d3fca56c5df3a4306db7a87
SHA5122f3a3eb6508f5f3ab2308e76481155d6336a606011c1276e24d5fb8925a622ff0ea06ff7a7932753f844d578353c9a1cc9eb5d99378d65b09352d93f01deb6d1
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2