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Analysis
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max time kernel
126s -
max time network
142s -
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, 04:08
Static task
static1
Behavioral task
behavioral1
Sample
f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe
Resource
win10v2004-20241007-en
General
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Target
f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe
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Size
500KB
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MD5
e98084368d46cb78c0c62b1dc729cac5
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SHA1
36afec1601ed63400ef1efe7074e623731cd2d43
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SHA256
f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c
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SHA512
f9f745d663609e89c198e59a02ee188bac6d9823c0355010089abedb0afe0e3dc7b84e9bdd47761dc5d254baa98d74bd58550da6f7fc91afcfea91d7e132ceef
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SSDEEP
12288:KMrRy90lLBwjqClOim5/2jprdWeM+LL0oVV:rymUlOi+OjloeMfoP
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/0x0008000000023c8d-12.dat healer behavioral1/memory/1932-15-0x00000000008F0000-0x00000000008FA000-memory.dmp healer behavioral1/memory/4568-22-0x0000000002690000-0x00000000026AA000-memory.dmp healer behavioral1/memory/4568-24-0x0000000004B60000-0x0000000004B78000-memory.dmp healer behavioral1/memory/4568-25-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-34-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-52-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-50-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-48-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-46-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-44-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-42-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-40-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-36-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-32-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-30-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-28-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-26-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/4568-38-0x0000000004B60000-0x0000000004B72000-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" eRI39ty.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dxI76MY.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dxI76MY.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dxI76MY.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dxI76MY.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dxI76MY.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection eRI39ty.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" eRI39ty.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" eRI39ty.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dxI76MY.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" eRI39ty.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" eRI39ty.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/0x0007000000023c8b-58.dat family_redline behavioral1/memory/4364-59-0x0000000000BC0000-0x0000000000BF2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 2656 naR66if76.exe 1932 dxI76MY.exe 4568 eRI39ty.exe 4364 fws48Vs.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dxI76MY.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features eRI39ty.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" eRI39ty.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\\\"" f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.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\\\"" naR66if76.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1760 4568 WerFault.exe 93 -
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 eRI39ty.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fws48Vs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language naR66if76.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1932 dxI76MY.exe 1932 dxI76MY.exe 4568 eRI39ty.exe 4568 eRI39ty.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1932 dxI76MY.exe Token: SeDebugPrivilege 4568 eRI39ty.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4472 wrote to memory of 2656 4472 f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe 83 PID 4472 wrote to memory of 2656 4472 f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe 83 PID 4472 wrote to memory of 2656 4472 f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe 83 PID 2656 wrote to memory of 1932 2656 naR66if76.exe 85 PID 2656 wrote to memory of 1932 2656 naR66if76.exe 85 PID 2656 wrote to memory of 4568 2656 naR66if76.exe 93 PID 2656 wrote to memory of 4568 2656 naR66if76.exe 93 PID 2656 wrote to memory of 4568 2656 naR66if76.exe 93 PID 4472 wrote to memory of 4364 4472 f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe 98 PID 4472 wrote to memory of 4364 4472 f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe 98 PID 4472 wrote to memory of 4364 4472 f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe"C:\Users\Admin\AppData\Local\Temp\f83c2f3091514fa2772993c5e9b954c132c899cf23eb746b8243f7c5264f932c.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\naR66if76.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dxI76MY.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1932
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eRI39ty.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:4568 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 10884⤵
- Program crash
PID:1760
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fws48Vs.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fws48Vs.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4568 -ip 45681⤵PID:748
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
355KB
MD56052fa062b369e8ec94ece4cedbf6047
SHA1a0381fdb0f32697c7c8933791f8e54356c6c5acc
SHA2565a69b2a88d1b0cbf2157d3cc56167a439a6f8d203a1c2ee3ac81dbb8a8b02fa0
SHA5122271cbb9edf813a3cb183f0bddd04e5d6ea4663403c80a1c1a9244455c7d99bc663d5e69c442460ea09d040b6270a8fdc2169d53542b36c5c65071997db78de8
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
295KB
MD5304766f61a677814af31d2737d118b6f
SHA1213a7e70d4f7d13e17ddff12152bcfe2c1cc2de4
SHA25607c33396ed7ec1b40808aae921c50c552dc21b08beabbd5541b9fc9f062e08ac
SHA51208c9202e988e4f6518a14f37b19eefc8b5901a2c07472140303c48535b67830e956759db3738b3bf63559220cb1e59f8045a2fad5d84530e9cb2e670740441ea