Analysis
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max time kernel
127s -
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
07-11-2024 06:26
Static task
static1
Behavioral task
behavioral1
Sample
caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe
Resource
win10v2004-20241007-en
General
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Target
caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe
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Size
478KB
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MD5
4d72634ba644e97558011895e933656b
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SHA1
0297f46293b64341f4d28b9f4f736a73f4318eca
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SHA256
caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98
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SHA512
a6640909dae611f1f854cc8c5ae9177af76fb2089e8fff9aba0f03e6dfa5ffdaea4d3bd445d77cf059a0751966cbfe7fc49387b00a9f36ae55c6d2f5a0946138
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SSDEEP
12288:dMrsy90LgLwB+W9mpx12vUj4CKRmOQ+cXa9TR:5ytLI+W9mpjbNKAXtKTR
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 19 IoCs
resource yara_rule behavioral1/files/0x0008000000023c77-12.dat healer behavioral1/memory/3516-15-0x0000000000AA0000-0x0000000000AAA000-memory.dmp healer behavioral1/memory/1132-22-0x0000000002750000-0x000000000276A000-memory.dmp healer behavioral1/memory/1132-24-0x0000000004CB0000-0x0000000004CC8000-memory.dmp healer behavioral1/memory/1132-25-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-32-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-52-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-51-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-49-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-46-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-44-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-42-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-40-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-38-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-37-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-34-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-30-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-28-0x0000000004CB0000-0x0000000004CC2000-memory.dmp healer behavioral1/memory/1132-26-0x0000000004CB0000-0x0000000004CC2000-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\DisableOnAccessProtection = "1" egQ84wt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" egQ84wt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dlR39Ct.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dlR39Ct.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dlR39Ct.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection egQ84wt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" egQ84wt.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dlR39Ct.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dlR39Ct.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dlR39Ct.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" egQ84wt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" egQ84wt.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/0x0007000000023c75-57.dat family_redline behavioral1/memory/1604-59-0x0000000000790000-0x00000000007C2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 2092 nKH88PZ60.exe 3516 dlR39Ct.exe 1132 egQ84wt.exe 1604 fhA96lg.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features egQ84wt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" egQ84wt.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dlR39Ct.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\\\"" nKH88PZ60.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\\\"" caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4108 1132 WerFault.exe 96 -
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 caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nKH88PZ60.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language egQ84wt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fhA96lg.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3516 dlR39Ct.exe 3516 dlR39Ct.exe 1132 egQ84wt.exe 1132 egQ84wt.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3516 dlR39Ct.exe Token: SeDebugPrivilege 1132 egQ84wt.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1576 wrote to memory of 2092 1576 caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe 83 PID 1576 wrote to memory of 2092 1576 caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe 83 PID 1576 wrote to memory of 2092 1576 caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe 83 PID 2092 wrote to memory of 3516 2092 nKH88PZ60.exe 84 PID 2092 wrote to memory of 3516 2092 nKH88PZ60.exe 84 PID 2092 wrote to memory of 1132 2092 nKH88PZ60.exe 96 PID 2092 wrote to memory of 1132 2092 nKH88PZ60.exe 96 PID 2092 wrote to memory of 1132 2092 nKH88PZ60.exe 96 PID 1576 wrote to memory of 1604 1576 caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe 101 PID 1576 wrote to memory of 1604 1576 caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe 101 PID 1576 wrote to memory of 1604 1576 caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe"C:\Users\Admin\AppData\Local\Temp\caa065f9fd7f3ce5e0bf0c40f0cb1aa59e4e671d91b23a40f8905d604325cc98.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKH88PZ60.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlR39Ct.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dlR39Ct.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3516
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\egQ84wt.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:1132 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1132 -s 10804⤵
- Program crash
PID:4108
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhA96lg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fhA96lg.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1604
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1132 -ip 11321⤵PID:3436
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
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2
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Filesize
333KB
MD59ebfda1ff46a1966f9f95c8f305ac029
SHA1b852851bd319425f305f64a5e07b04175b991fa9
SHA256eba30435556a29109a699e5b6f713a67c943dbf61c741205321efb3bb9993dd0
SHA5124b8dd2d7449772d541a24d930fae8170305b27d478a5774b8153ac6e43d20011f8f70e12a45082bfb1dc431ec7da51adb0fc8e221c85d523a23c4d9d80148c71
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
235KB
MD551eaf3c9171c3352f9656cae26564893
SHA1f34140400948baf80b116d9d59839a3f9018168d
SHA2567f83dffe8e01e47ab8e070ff65d79e728d717efac490183e68ba36908fd2a720
SHA512dff81178fc1a2e66e701a722244f2bba11994762f11fac71880f82eb816183e61f203fc0ad5adbaa17992f6ccad63f962420a3037ecfc35a21de8af8e091fe02