Analysis
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max time kernel
126s -
max time network
145s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
10/03/2023, 12:26
Static task
static1
Behavioral task
behavioral1
Sample
4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.exe
Resource
win10-20230220-en
General
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Target
4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.exe
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Size
657KB
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MD5
63fd225cd9a1241ddee1df6f79198c8c
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SHA1
189afdfa79b8372e9adc35529ab898592c7ae05a
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SHA256
4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23
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SHA512
8a5e0f3eebefc747d01afa7b684ad14c7f73907d067ab3538c8cabaabd6e95ca3897e3231c5fef86b1914ee53530e71d3b118f07a64e2cfe78179c1b7d8af228
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SSDEEP
12288:teJdJGdTo3R8Ocbicp40ckJpoGpWpHOk451g7Zvm+zbd:tMEdoB8O50ckJKkkHOk4Tgpzbd
Malware Config
Extracted
redline
dezik
193.56.146.220:4174
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auth_value
d39f21dca8edc10800b036ab83f4d75e
Extracted
amadey
3.68
31.41.244.200/games/category/index.php
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" bum8113.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" bum8113.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" bum8113.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" bum8113.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" bum8113.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Executes dropped EXE 7 IoCs
pid Process 2200 film5950.exe 2444 bum8113.exe 4140 con3150.exe 3940 dRF92s79.exe 4428 metafor.exe 3728 metafor.exe 764 metafor.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features bum8113.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" bum8113.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.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\\\"" 4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce film5950.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\\\"" film5950.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2636 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2444 bum8113.exe 2444 bum8113.exe 4140 con3150.exe 4140 con3150.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2444 bum8113.exe Token: SeDebugPrivilege 4140 con3150.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1952 wrote to memory of 2200 1952 4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.exe 66 PID 1952 wrote to memory of 2200 1952 4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.exe 66 PID 1952 wrote to memory of 2200 1952 4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.exe 66 PID 2200 wrote to memory of 2444 2200 film5950.exe 67 PID 2200 wrote to memory of 2444 2200 film5950.exe 67 PID 2200 wrote to memory of 2444 2200 film5950.exe 67 PID 2200 wrote to memory of 4140 2200 film5950.exe 68 PID 2200 wrote to memory of 4140 2200 film5950.exe 68 PID 2200 wrote to memory of 4140 2200 film5950.exe 68 PID 1952 wrote to memory of 3940 1952 4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.exe 70 PID 1952 wrote to memory of 3940 1952 4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.exe 70 PID 1952 wrote to memory of 3940 1952 4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.exe 70 PID 3940 wrote to memory of 4428 3940 dRF92s79.exe 71 PID 3940 wrote to memory of 4428 3940 dRF92s79.exe 71 PID 3940 wrote to memory of 4428 3940 dRF92s79.exe 71 PID 4428 wrote to memory of 2636 4428 metafor.exe 72 PID 4428 wrote to memory of 2636 4428 metafor.exe 72 PID 4428 wrote to memory of 2636 4428 metafor.exe 72 PID 4428 wrote to memory of 3636 4428 metafor.exe 74 PID 4428 wrote to memory of 3636 4428 metafor.exe 74 PID 4428 wrote to memory of 3636 4428 metafor.exe 74 PID 3636 wrote to memory of 1240 3636 cmd.exe 76 PID 3636 wrote to memory of 1240 3636 cmd.exe 76 PID 3636 wrote to memory of 1240 3636 cmd.exe 76 PID 3636 wrote to memory of 2972 3636 cmd.exe 77 PID 3636 wrote to memory of 2972 3636 cmd.exe 77 PID 3636 wrote to memory of 2972 3636 cmd.exe 77 PID 3636 wrote to memory of 3512 3636 cmd.exe 78 PID 3636 wrote to memory of 3512 3636 cmd.exe 78 PID 3636 wrote to memory of 3512 3636 cmd.exe 78 PID 3636 wrote to memory of 3676 3636 cmd.exe 79 PID 3636 wrote to memory of 3676 3636 cmd.exe 79 PID 3636 wrote to memory of 3676 3636 cmd.exe 79 PID 3636 wrote to memory of 3812 3636 cmd.exe 80 PID 3636 wrote to memory of 3812 3636 cmd.exe 80 PID 3636 wrote to memory of 3812 3636 cmd.exe 80 PID 3636 wrote to memory of 1668 3636 cmd.exe 81 PID 3636 wrote to memory of 1668 3636 cmd.exe 81 PID 3636 wrote to memory of 1668 3636 cmd.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.exe"C:\Users\Admin\AppData\Local\Temp\4b4a8dfafdbc3f0fce1e51d3d09d414327370aceb758cd3eba2fe3a7f604cc23.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\film5950.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\film5950.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bum8113.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bum8113.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2444
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\con3150.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\con3150.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4140
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRF92s79.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRF92s79.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3940 -
C:\Users\Admin\AppData\Local\Temp\5975271bda\metafor.exe"C:\Users\Admin\AppData\Local\Temp\5975271bda\metafor.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4428 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN metafor.exe /TR "C:\Users\Admin\AppData\Local\Temp\5975271bda\metafor.exe" /F4⤵
- Creates scheduled task(s)
PID:2636
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "metafor.exe" /P "Admin:N"&&CACLS "metafor.exe" /P "Admin:R" /E&&echo Y|CACLS "..\5975271bda" /P "Admin:N"&&CACLS "..\5975271bda" /P "Admin:R" /E&&Exit4⤵
- Suspicious use of WriteProcessMemory
PID:3636 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:1240
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C:\Windows\SysWOW64\cacls.exeCACLS "metafor.exe" /P "Admin:N"5⤵PID:2972
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C:\Windows\SysWOW64\cacls.exeCACLS "metafor.exe" /P "Admin:R" /E5⤵PID:3512
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:3676
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5975271bda" /P "Admin:N"5⤵PID:3812
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5975271bda" /P "Admin:R" /E5⤵PID:1668
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C:\Users\Admin\AppData\Local\Temp\5975271bda\metafor.exeC:\Users\Admin\AppData\Local\Temp\5975271bda\metafor.exe1⤵
- Executes dropped EXE
PID:3728
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C:\Users\Admin\AppData\Local\Temp\5975271bda\metafor.exeC:\Users\Admin\AppData\Local\Temp\5975271bda\metafor.exe1⤵
- Executes dropped EXE
PID:764
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
226KB
MD58627ebe3777cc777ed2a14b907162224
SHA106eeed93eb3094f9d0b13ac4a6936f7088fbbdaa
SHA256319b22945beeb7424fe6db1e9953ad5f2dc12cbba2fe24e599c3deda678893bb
SHA5129de429300c95d52452caeb80c9d44ff72714f017319e416649c2100f882c394f5ab9f3876cc68d338f4b5a3cd58337defff9405be64c87d078edd0d86259c845
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Filesize
226KB
MD58627ebe3777cc777ed2a14b907162224
SHA106eeed93eb3094f9d0b13ac4a6936f7088fbbdaa
SHA256319b22945beeb7424fe6db1e9953ad5f2dc12cbba2fe24e599c3deda678893bb
SHA5129de429300c95d52452caeb80c9d44ff72714f017319e416649c2100f882c394f5ab9f3876cc68d338f4b5a3cd58337defff9405be64c87d078edd0d86259c845
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Filesize
226KB
MD58627ebe3777cc777ed2a14b907162224
SHA106eeed93eb3094f9d0b13ac4a6936f7088fbbdaa
SHA256319b22945beeb7424fe6db1e9953ad5f2dc12cbba2fe24e599c3deda678893bb
SHA5129de429300c95d52452caeb80c9d44ff72714f017319e416649c2100f882c394f5ab9f3876cc68d338f4b5a3cd58337defff9405be64c87d078edd0d86259c845
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Filesize
226KB
MD58627ebe3777cc777ed2a14b907162224
SHA106eeed93eb3094f9d0b13ac4a6936f7088fbbdaa
SHA256319b22945beeb7424fe6db1e9953ad5f2dc12cbba2fe24e599c3deda678893bb
SHA5129de429300c95d52452caeb80c9d44ff72714f017319e416649c2100f882c394f5ab9f3876cc68d338f4b5a3cd58337defff9405be64c87d078edd0d86259c845
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Filesize
226KB
MD58627ebe3777cc777ed2a14b907162224
SHA106eeed93eb3094f9d0b13ac4a6936f7088fbbdaa
SHA256319b22945beeb7424fe6db1e9953ad5f2dc12cbba2fe24e599c3deda678893bb
SHA5129de429300c95d52452caeb80c9d44ff72714f017319e416649c2100f882c394f5ab9f3876cc68d338f4b5a3cd58337defff9405be64c87d078edd0d86259c845
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Filesize
226KB
MD58627ebe3777cc777ed2a14b907162224
SHA106eeed93eb3094f9d0b13ac4a6936f7088fbbdaa
SHA256319b22945beeb7424fe6db1e9953ad5f2dc12cbba2fe24e599c3deda678893bb
SHA5129de429300c95d52452caeb80c9d44ff72714f017319e416649c2100f882c394f5ab9f3876cc68d338f4b5a3cd58337defff9405be64c87d078edd0d86259c845
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Filesize
226KB
MD58627ebe3777cc777ed2a14b907162224
SHA106eeed93eb3094f9d0b13ac4a6936f7088fbbdaa
SHA256319b22945beeb7424fe6db1e9953ad5f2dc12cbba2fe24e599c3deda678893bb
SHA5129de429300c95d52452caeb80c9d44ff72714f017319e416649c2100f882c394f5ab9f3876cc68d338f4b5a3cd58337defff9405be64c87d078edd0d86259c845
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Filesize
382KB
MD565e4e4f30a4aef3d28440aefb0a4b05b
SHA19ba27fc1878e66823785565db46369ca3b065d35
SHA25656566c47f68d8ec0b75f780b64efe454c5bf0ecd29dfd9f0ca75378dc0a002fa
SHA51286ba9d1b36fc3f8e53465ae1492d7d4df2d7b34fa5805a0d669452cea7b3bc4001a3ac62a1d0d871ed5786f08eaaff6c446964d8d72c8dff697a7ab5f63032e4
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Filesize
382KB
MD565e4e4f30a4aef3d28440aefb0a4b05b
SHA19ba27fc1878e66823785565db46369ca3b065d35
SHA25656566c47f68d8ec0b75f780b64efe454c5bf0ecd29dfd9f0ca75378dc0a002fa
SHA51286ba9d1b36fc3f8e53465ae1492d7d4df2d7b34fa5805a0d669452cea7b3bc4001a3ac62a1d0d871ed5786f08eaaff6c446964d8d72c8dff697a7ab5f63032e4
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Filesize
323KB
MD5ee43881ab62092621b2d2e22a0295878
SHA10339221e3f787602fea6a0541817565d751a293c
SHA2562764ed1001c0289c438398b43297206b64e883f65c34eec0418f809392bab22d
SHA512df6b636d896665a3ec9ee572dc8dcb79169c02316741d9a693d7c09be7ce419e373b1c4d0635c8ecda95e936313750820fb97ee31111a005b334f44ec6112f6c
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Filesize
323KB
MD5ee43881ab62092621b2d2e22a0295878
SHA10339221e3f787602fea6a0541817565d751a293c
SHA2562764ed1001c0289c438398b43297206b64e883f65c34eec0418f809392bab22d
SHA512df6b636d896665a3ec9ee572dc8dcb79169c02316741d9a693d7c09be7ce419e373b1c4d0635c8ecda95e936313750820fb97ee31111a005b334f44ec6112f6c
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Filesize
175KB
MD592f2a148b8f701e50e2f838f73d4d7b7
SHA1324d8546e35d4f4285cac15b21620299ba5cb023
SHA2569ad66388140ef3b4a7c2918eb3c9083dd80396949f385dd6d17c28f97cf14f04
SHA5123300c7606f872e75deaff924ee77fcd975e515a0dbca907ddd16b25910f250c6b8c46c6cabda3ac4780a8dce5fb9a70bd0c4c184f649cd5375fb6278b2a0ea6c
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Filesize
175KB
MD592f2a148b8f701e50e2f838f73d4d7b7
SHA1324d8546e35d4f4285cac15b21620299ba5cb023
SHA2569ad66388140ef3b4a7c2918eb3c9083dd80396949f385dd6d17c28f97cf14f04
SHA5123300c7606f872e75deaff924ee77fcd975e515a0dbca907ddd16b25910f250c6b8c46c6cabda3ac4780a8dce5fb9a70bd0c4c184f649cd5375fb6278b2a0ea6c