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Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/11/2024, 18:09
Static task
static1
Behavioral task
behavioral1
Sample
a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe
Resource
win10v2004-20241007-en
General
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Target
a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe
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Size
720KB
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MD5
c0a1bf8516da68434795e2318577a860
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SHA1
f0b3284806f991e0d58b7da548ebaa357241bfcb
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SHA256
a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa
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SHA512
a06b7d8c842f3fdaad856d27eb5fd5b5a365798fdba689cb4e60269469feffaadbacf3195f93588514b1f6961eb5d4337f26224a622e1e04b4afaaa31b411d7a
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SSDEEP
12288:MMrwy90WLl8VGQUFXjLRw2DtzgZrNsd6m1JFSQFicTv4jsAamxWcaKIWp0pThr+E:UyPLmVGdRvDtcrGbjF35p/LKIWpmAenj
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 2 IoCs
resource yara_rule behavioral1/files/0x000b000000023b7c-19.dat healer behavioral1/memory/4908-22-0x0000000000340000-0x000000000034A000-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\DisableRealtimeMonitoring = "1" ffL01jq.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" ffL01jq.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection ffL01jq.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" ffL01jq.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" ffL01jq.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" ffL01jq.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/0x000a000000023b7d-26.dat family_redline behavioral1/memory/1676-28-0x0000000000B80000-0x0000000000BB2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 2392 sbP61cV.exe 4344 sdV72Yd.exe 4908 ffL01jq.exe 1676 hCw91mj.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" ffL01jq.exe -
Adds Run key to start application 2 TTPs 3 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\\\"" a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.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\\\"" sbP61cV.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\\\"" sdV72Yd.exe -
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 a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sbP61cV.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sdV72Yd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hCw91mj.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4908 ffL01jq.exe 4908 ffL01jq.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4908 ffL01jq.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2496 wrote to memory of 2392 2496 a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe 83 PID 2496 wrote to memory of 2392 2496 a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe 83 PID 2496 wrote to memory of 2392 2496 a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe 83 PID 2392 wrote to memory of 4344 2392 sbP61cV.exe 84 PID 2392 wrote to memory of 4344 2392 sbP61cV.exe 84 PID 2392 wrote to memory of 4344 2392 sbP61cV.exe 84 PID 4344 wrote to memory of 4908 4344 sdV72Yd.exe 86 PID 4344 wrote to memory of 4908 4344 sdV72Yd.exe 86 PID 4344 wrote to memory of 1676 4344 sdV72Yd.exe 102 PID 4344 wrote to memory of 1676 4344 sdV72Yd.exe 102 PID 4344 wrote to memory of 1676 4344 sdV72Yd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe"C:\Users\Admin\AppData\Local\Temp\a7b83eb396a76d4abfdd618fc37d0d71d4909c045678abe11dcc5f71625105fa.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sbP61cV.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sbP61cV.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sdV72Yd.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sdV72Yd.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ffL01jq.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ffL01jq.exe4⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4908
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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hCw91mj.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\hCw91mj.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1676
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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
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Downloads
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Filesize
533KB
MD58b863671145e745536fdf70272997022
SHA19e03cf0f473403c404cf83e1948fde10c8765065
SHA25651ff1a43a1e3febe630655f568bef6a68bb16dfa77eb79bfa665f34da104861b
SHA51266886f45bc1b72b0e337e88f485207d40e6847c90e10ec3909e721804ab2c6d41f9c3da49e2e2634fdeb3e5fe164ee31540e228cc9b9302c553638630757f128
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Filesize
202KB
MD5c59f2990c2e4b8052c3146020ff3c70f
SHA1ae3cb454e1f81430749899ca706d95282e0705aa
SHA256539891f89cee4ec2358c4828582855bbccbebee53e463e2a8664c072a421567f
SHA51216801497df5a96b52f4d4d7f1a9e0d482bd94698eeda10223dfeb27a9729464bee1243d06a56a28a2641cf33370168b63a8ad89dbcd71917c767f05273b5a7ab
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2