Analysis
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max time kernel
143s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 01:54
Static task
static1
Behavioral task
behavioral1
Sample
af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5.exe
Resource
win10v2004-20240226-en
General
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Target
af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5.exe
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Size
566KB
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MD5
0809d10c714cc165b6affe65339f759f
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SHA1
c0f4cf73ab08525a8d8c2730bf51e7fc81f70e3e
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SHA256
af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5
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SHA512
7e90f897bbb8581d01dd8c625cff5eaa025c6b57a00520691b64127c6e77beca84b0960436e80aea8626b509bb8aa73880f4f711bbd5c6c2471f8ccca2b085c3
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SSDEEP
12288:9Mrly90wPJc8rmYUx672ZjtuvNv03NOotO+wPil/8FHUnn:EytJcbYUx6yVQlELOvPOAHQ
Malware Config
Extracted
redline
mucha
83.97.73.131:19071
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auth_value
5d76e123341992ecf110010eb89456f0
Signatures
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Detects Healer an antivirus disabler dropper 4 IoCs
resource yara_rule behavioral1/memory/5008-16-0x00000000004C0000-0x00000000004CA000-memory.dmp healer behavioral1/memory/5008-20-0x0000000000400000-0x000000000042B000-memory.dmp healer behavioral1/files/0x0007000000023240-24.dat healer behavioral1/memory/1676-26-0x0000000000950000-0x000000000095A000-memory.dmp healer -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection a1470938.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" a1470938.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" a1470938.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" b8098677.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" b8098677.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" b8098677.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" a1470938.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" a1470938.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" a1470938.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection b8098677.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" b8098677.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" b8098677.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 1 IoCs
resource yara_rule behavioral1/memory/2548-31-0x0000000000650000-0x0000000000680000-memory.dmp family_redline -
Detects executables embedding registry key / value combination indicative of disabling Windows Defender features 4 IoCs
resource yara_rule behavioral1/memory/5008-16-0x00000000004C0000-0x00000000004CA000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/5008-20-0x0000000000400000-0x000000000042B000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/files/0x0007000000023240-24.dat INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/1676-26-0x0000000000950000-0x000000000095A000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender -
Detects executables packed with ConfuserEx Mod 1 IoCs
resource yara_rule behavioral1/memory/2548-31-0x0000000000650000-0x0000000000680000-memory.dmp INDICATOR_EXE_Packed_ConfuserEx -
Executes dropped EXE 4 IoCs
pid Process 3292 v3576731.exe 5008 a1470938.exe 1676 b8098677.exe 2548 c0688533.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features a1470938.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" a1470938.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" b8098677.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\\\"" af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5.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\\\"" v3576731.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5008 a1470938.exe 5008 a1470938.exe 1676 b8098677.exe 1676 b8098677.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5008 a1470938.exe Token: SeDebugPrivilege 1676 b8098677.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4868 wrote to memory of 3292 4868 af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5.exe 90 PID 4868 wrote to memory of 3292 4868 af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5.exe 90 PID 4868 wrote to memory of 3292 4868 af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5.exe 90 PID 3292 wrote to memory of 5008 3292 v3576731.exe 91 PID 3292 wrote to memory of 5008 3292 v3576731.exe 91 PID 3292 wrote to memory of 5008 3292 v3576731.exe 91 PID 3292 wrote to memory of 1676 3292 v3576731.exe 93 PID 3292 wrote to memory of 1676 3292 v3576731.exe 93 PID 4868 wrote to memory of 2548 4868 af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5.exe 94 PID 4868 wrote to memory of 2548 4868 af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5.exe 94 PID 4868 wrote to memory of 2548 4868 af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5.exe"C:\Users\Admin\AppData\Local\Temp\af63a0840769b5d7fed3005e16a849822ad67d0db9376bd285b00071a4110bb5.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3576731.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3576731.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3292 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1470938.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a1470938.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5008
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8098677.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8098677.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1676
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c0688533.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c0688533.exe2⤵
- Executes dropped EXE
PID:2548
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4072 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:81⤵PID:1920
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
Loading Replay Monitor...
Downloads
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Filesize
226B
MD5916851e072fbabc4796d8916c5131092
SHA1d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA2567e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
SHA51207ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
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Filesize
1.3MB
MD5182c6af4094363fa0c9fe412412049f9
SHA17f5d97b8b0e9c11791c17ce9858ea16b9e449689
SHA25653e020667419dcc8f204f15fe73aceb265812c84ad16ee90209bc8bcc6f4944f
SHA512c31a31c9ac44d20b0cb7e8a3607ca1ffc4a9929bf75870246d1e6d0ac27940ac56b15bc2041531fbf264d7b1293d4b940c8ad6671f95152477f6b1bc53ed85c6
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Filesize
227KB
MD58743cd9a2b9d8390e931822aefc88adf
SHA14cef922bea0b74764c3375a5a84dac2472d8a3b6
SHA2565342aa0addc530d12d6c1ea7e3ff227120c7b4a6aac6a42645ffd847b861592a
SHA512a4621fc7e8c5fdb48c19e975afaeb022a94370b23d321897344a649ecd340e69c289b12a675b1f686e1dabe6647826dcb352b95ce0add30d3f15129e718393e7
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Filesize
176KB
MD5211a06e9ae68ced1234252a48696431b
SHA169950e2ee2fafd177d1a295836713bfd8d18df9c
SHA2560bdca9c84103454e329cfde4e69dc41a0ec0196c078c8fc195b0fa739d2f905d
SHA512b1643ba376075619335b4bdf0d7610aece13b7c9db60eecb508465f97ef3e6a9d5297f9ac8529886efa052cdd8814ac7d4eeab44812f797a1b2dc5fa967ee7eb
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91