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Analysis
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max time kernel
129s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
10/03/2023, 07:36
Static task
static1
Behavioral task
behavioral1
Sample
c81067a2bd494fd599d348faf5525e20.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
c81067a2bd494fd599d348faf5525e20.exe
Resource
win10v2004-20230220-en
General
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Target
c81067a2bd494fd599d348faf5525e20.exe
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Size
773KB
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MD5
c81067a2bd494fd599d348faf5525e20
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SHA1
8d0c9c5a989119a6274e0a0ccadd3967355e1792
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SHA256
d8525593464fd57668aa86ee583452f5db36c7d55583252837072d3c1e54da47
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SHA512
2ba558a5852f3527c1dc454add20caca62ed9742c2dccf8025b7445495a2cfaa1c61c195a6b50c0600ac73f47f24446e5490df112dc5d7b273f4250438095c91
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SSDEEP
12288:8AZN5Bv30aX6nqtNl7BAmsRhUFjeTIEhhyFTIP2qVpZfxOFyrMxS6DVT:9N5Bv30a1l7StedeKGPnVPoS6DVT
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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" bum8113.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" bum8113.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection bum8113.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" bum8113.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" bum8113.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" bum8113.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation dRF92s79.exe Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation metafor.exe -
Executes dropped EXE 7 IoCs
pid Process 676 film5950.exe 5108 bum8113.exe 4428 con3150.exe 3904 dRF92s79.exe 3352 metafor.exe 860 metafor.exe 1720 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 c81067a2bd494fd599d348faf5525e20.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\\\"" c81067a2bd494fd599d348faf5525e20.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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Program crash 1 IoCs
pid pid_target Process procid_target 1720 2548 WerFault.exe 87 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4608 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 5108 bum8113.exe 5108 bum8113.exe 4428 con3150.exe 4428 con3150.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5108 bum8113.exe Token: SeDebugPrivilege 4428 con3150.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2548 wrote to memory of 676 2548 c81067a2bd494fd599d348faf5525e20.exe 88 PID 2548 wrote to memory of 676 2548 c81067a2bd494fd599d348faf5525e20.exe 88 PID 2548 wrote to memory of 676 2548 c81067a2bd494fd599d348faf5525e20.exe 88 PID 676 wrote to memory of 5108 676 film5950.exe 89 PID 676 wrote to memory of 5108 676 film5950.exe 89 PID 676 wrote to memory of 5108 676 film5950.exe 89 PID 676 wrote to memory of 4428 676 film5950.exe 93 PID 676 wrote to memory of 4428 676 film5950.exe 93 PID 676 wrote to memory of 4428 676 film5950.exe 93 PID 2548 wrote to memory of 3904 2548 c81067a2bd494fd599d348faf5525e20.exe 94 PID 2548 wrote to memory of 3904 2548 c81067a2bd494fd599d348faf5525e20.exe 94 PID 2548 wrote to memory of 3904 2548 c81067a2bd494fd599d348faf5525e20.exe 94 PID 3904 wrote to memory of 3352 3904 dRF92s79.exe 95 PID 3904 wrote to memory of 3352 3904 dRF92s79.exe 95 PID 3904 wrote to memory of 3352 3904 dRF92s79.exe 95 PID 3352 wrote to memory of 4608 3352 metafor.exe 97 PID 3352 wrote to memory of 4608 3352 metafor.exe 97 PID 3352 wrote to memory of 4608 3352 metafor.exe 97 PID 3352 wrote to memory of 3404 3352 metafor.exe 99 PID 3352 wrote to memory of 3404 3352 metafor.exe 99 PID 3352 wrote to memory of 3404 3352 metafor.exe 99 PID 3404 wrote to memory of 5020 3404 cmd.exe 102 PID 3404 wrote to memory of 5020 3404 cmd.exe 102 PID 3404 wrote to memory of 5020 3404 cmd.exe 102 PID 3404 wrote to memory of 664 3404 cmd.exe 103 PID 3404 wrote to memory of 664 3404 cmd.exe 103 PID 3404 wrote to memory of 664 3404 cmd.exe 103 PID 3404 wrote to memory of 2832 3404 cmd.exe 104 PID 3404 wrote to memory of 2832 3404 cmd.exe 104 PID 3404 wrote to memory of 2832 3404 cmd.exe 104 PID 3404 wrote to memory of 1456 3404 cmd.exe 105 PID 3404 wrote to memory of 1456 3404 cmd.exe 105 PID 3404 wrote to memory of 1456 3404 cmd.exe 105 PID 3404 wrote to memory of 3444 3404 cmd.exe 106 PID 3404 wrote to memory of 3444 3404 cmd.exe 106 PID 3404 wrote to memory of 3444 3404 cmd.exe 106 PID 3404 wrote to memory of 1344 3404 cmd.exe 107 PID 3404 wrote to memory of 1344 3404 cmd.exe 107 PID 3404 wrote to memory of 1344 3404 cmd.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\c81067a2bd494fd599d348faf5525e20.exe"C:\Users\Admin\AppData\Local\Temp\c81067a2bd494fd599d348faf5525e20.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2548 -
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:676 -
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:5108
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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:4428
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRF92s79.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dRF92s79.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3904 -
C:\Users\Admin\AppData\Local\Temp\5975271bda\metafor.exe"C:\Users\Admin\AppData\Local\Temp\5975271bda\metafor.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3352 -
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:4608
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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:3404 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:5020
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C:\Windows\SysWOW64\cacls.exeCACLS "metafor.exe" /P "Admin:N"5⤵PID:664
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C:\Windows\SysWOW64\cacls.exeCACLS "metafor.exe" /P "Admin:R" /E5⤵PID:2832
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"5⤵PID:1456
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5975271bda" /P "Admin:N"5⤵PID:3444
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C:\Windows\SysWOW64\cacls.exeCACLS "..\5975271bda" /P "Admin:R" /E5⤵PID:1344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 4842⤵
- Program crash
PID:1720
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2548 -ip 25481⤵PID:1740
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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:860
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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:1720
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