Analysis
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max time kernel
146s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system -
submitted
02/09/2023, 11:50
Static task
static1
Behavioral task
behavioral1
Sample
a4ee2cfc1cbd9e298141bbfde343af98dd6f8ef9f72edae72e40689f894d76a8.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a4ee2cfc1cbd9e298141bbfde343af98dd6f8ef9f72edae72e40689f894d76a8.exe
Resource
win10v2004-20230831-en
General
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Target
a4ee2cfc1cbd9e298141bbfde343af98dd6f8ef9f72edae72e40689f894d76a8.exe
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Size
828KB
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MD5
9451cabb6a19f7a4610bc7abc27feddb
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SHA1
fa064a2352b283669be8a781a7059d8005d22b79
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SHA256
a4ee2cfc1cbd9e298141bbfde343af98dd6f8ef9f72edae72e40689f894d76a8
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SHA512
11d9c87bf9021ff09baf3fd54714d87cc6c3557742d8dc5f47d36af25ee53b8c607642cb18636227fbebe812ed45ecac42d09d2c6e0b67df0e323ded19afa499
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SSDEEP
12288:nMrAy90jey2SiHFSumTGMYjvPJMIop5Nh+WKJlWUCucfRF583SYTYKcqst2c6A:nyRN5XeEjZMFXh+WKoxLfRL8CDqa56A
Malware Config
Extracted
redline
sruta
77.91.124.82:19071
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auth_value
c556edcd49703319eca74247de20c236
Signatures
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Detects Healer an antivirus disabler dropper 3 IoCs
resource yara_rule behavioral2/files/0x0007000000023279-33.dat healer behavioral2/files/0x0007000000023279-34.dat healer behavioral2/memory/4472-35-0x0000000000430000-0x000000000043A000-memory.dmp healer -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection a1848296.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" a1848296.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" a1848296.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" a1848296.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" a1848296.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" a1848296.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 3420 v4337748.exe 4236 v7777234.exe 3144 v0112683.exe 2088 v1365745.exe 4472 a1848296.exe 4088 b7311188.exe 1436 c2413523.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" a1848296.exe -
Adds Run key to start application 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" v0112683.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\"" v1365745.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\\\"" a4ee2cfc1cbd9e298141bbfde343af98dd6f8ef9f72edae72e40689f894d76a8.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\\\"" v4337748.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\\\"" v7777234.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4472 a1848296.exe 4472 a1848296.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4472 a1848296.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3580 wrote to memory of 3420 3580 a4ee2cfc1cbd9e298141bbfde343af98dd6f8ef9f72edae72e40689f894d76a8.exe 87 PID 3580 wrote to memory of 3420 3580 a4ee2cfc1cbd9e298141bbfde343af98dd6f8ef9f72edae72e40689f894d76a8.exe 87 PID 3580 wrote to memory of 3420 3580 a4ee2cfc1cbd9e298141bbfde343af98dd6f8ef9f72edae72e40689f894d76a8.exe 87 PID 3420 wrote to memory of 4236 3420 v4337748.exe 88 PID 3420 wrote to memory of 4236 3420 v4337748.exe 88 PID 3420 wrote to memory of 4236 3420 v4337748.exe 88 PID 4236 wrote to memory of 3144 4236 v7777234.exe 89 PID 4236 wrote to memory of 3144 4236 v7777234.exe 89 PID 4236 wrote to memory of 3144 4236 v7777234.exe 89 PID 3144 wrote to memory of 2088 3144 v0112683.exe 90 PID 3144 wrote to memory of 2088 3144 v0112683.exe 90 PID 3144 wrote to memory of 2088 3144 v0112683.exe 90 PID 2088 wrote to memory of 4472 2088 v1365745.exe 91 PID 2088 wrote to memory of 4472 2088 v1365745.exe 91 PID 2088 wrote to memory of 4088 2088 v1365745.exe 94 PID 2088 wrote to memory of 4088 2088 v1365745.exe 94 PID 2088 wrote to memory of 4088 2088 v1365745.exe 94 PID 3144 wrote to memory of 1436 3144 v0112683.exe 95 PID 3144 wrote to memory of 1436 3144 v0112683.exe 95 PID 3144 wrote to memory of 1436 3144 v0112683.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\a4ee2cfc1cbd9e298141bbfde343af98dd6f8ef9f72edae72e40689f894d76a8.exe"C:\Users\Admin\AppData\Local\Temp\a4ee2cfc1cbd9e298141bbfde343af98dd6f8ef9f72edae72e40689f894d76a8.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3580 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4337748.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4337748.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7777234.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v7777234.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4236 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v0112683.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v0112683.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3144 -
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v1365745.exeC:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v1365745.exe5⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a1848296.exeC:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a1848296.exe6⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4472
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C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b7311188.exeC:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b7311188.exe6⤵
- Executes dropped EXE
PID:4088
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C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\c2413523.exeC:\Users\Admin\AppData\Local\Temp\IXP003.TMP\c2413523.exe5⤵
- Executes dropped EXE
PID:1436
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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
Loading Replay Monitor...
Downloads
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Filesize
723KB
MD508f9a3b5fe3bf3bff4060a042f4765c3
SHA1dc2d582c97d6ebac0f162e6e90dc9e9d60d2ba64
SHA256c4b7d00b4a04beaea9fd20281ca859d3f34f8827f98d4f1bd6022f06502e03ee
SHA5125d5b9275ce48ebcf76ed96e5b94c94fc55eef2bb91846e18ade6a3cfd6f74e9e02c618b7534c83b464d6b8561604ee194919c2604c3b615bb393bf565d3c0235
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Filesize
723KB
MD508f9a3b5fe3bf3bff4060a042f4765c3
SHA1dc2d582c97d6ebac0f162e6e90dc9e9d60d2ba64
SHA256c4b7d00b4a04beaea9fd20281ca859d3f34f8827f98d4f1bd6022f06502e03ee
SHA5125d5b9275ce48ebcf76ed96e5b94c94fc55eef2bb91846e18ade6a3cfd6f74e9e02c618b7534c83b464d6b8561604ee194919c2604c3b615bb393bf565d3c0235
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Filesize
497KB
MD57d7b8829c810676260554a60845184d6
SHA15f88b1b8fe029704eb1da743c608a9e2d4110fa1
SHA256d32ec82f55016c334e1e5af15765f0d48760d97a0adaffc0091c853013ab3db7
SHA5126c03d4004f283bbe1ed6d61d1e91e5742e34b8898d33ecd31fbca2632c3b56538a0f1fcf0860cb4acaaa54671f3b83f1e41d46b1dee27df4d9da47c381eac16c
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Filesize
497KB
MD57d7b8829c810676260554a60845184d6
SHA15f88b1b8fe029704eb1da743c608a9e2d4110fa1
SHA256d32ec82f55016c334e1e5af15765f0d48760d97a0adaffc0091c853013ab3db7
SHA5126c03d4004f283bbe1ed6d61d1e91e5742e34b8898d33ecd31fbca2632c3b56538a0f1fcf0860cb4acaaa54671f3b83f1e41d46b1dee27df4d9da47c381eac16c
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Filesize
372KB
MD5902ee12fceedd635f71b7b7b1e3e7b8f
SHA1e2ca499f23fe748e8d31896f878a50f876dab5a9
SHA256327fd7e92e3a01ecb913674aaefaa6dbd6174fe2761108aa240e4b59ae41ca04
SHA512eb0fb688ff2452adb4ee5bebca94265b8fd09e96908aa5836eb770ae2f0559862135c13b1a92ddd7b6574f6e1b07fb3b216f62279ede67cf04008e09234d4b27
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Filesize
372KB
MD5902ee12fceedd635f71b7b7b1e3e7b8f
SHA1e2ca499f23fe748e8d31896f878a50f876dab5a9
SHA256327fd7e92e3a01ecb913674aaefaa6dbd6174fe2761108aa240e4b59ae41ca04
SHA512eb0fb688ff2452adb4ee5bebca94265b8fd09e96908aa5836eb770ae2f0559862135c13b1a92ddd7b6574f6e1b07fb3b216f62279ede67cf04008e09234d4b27
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Filesize
176KB
MD59e10faa42c5b7fd76d7de5165a104ebe
SHA143415b8f16096e41d51579b6130591fb88dfb50d
SHA2563208a31697c9290343ad88387daae01f15c4d15612be8900a2a4c0038c195af1
SHA512cd535e9d7c93d8e8f090d088c84668438c86211d5a10a3cc8fa2d4d96775de64fa4f2ed38d384a90c5c8ff0171a99a547fadbcadcda76cd4b47cc72c13763800
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Filesize
176KB
MD59e10faa42c5b7fd76d7de5165a104ebe
SHA143415b8f16096e41d51579b6130591fb88dfb50d
SHA2563208a31697c9290343ad88387daae01f15c4d15612be8900a2a4c0038c195af1
SHA512cd535e9d7c93d8e8f090d088c84668438c86211d5a10a3cc8fa2d4d96775de64fa4f2ed38d384a90c5c8ff0171a99a547fadbcadcda76cd4b47cc72c13763800
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Filesize
217KB
MD573822e49163b9dd032e9693ff6b2e1ce
SHA17e5bb4ff5383ed20776713f8392169824e0bf328
SHA2562f1f474c48ca164d5156c44a04cc688f424b89ff1fa5a3c1dd2c6a7596c954fc
SHA51235aa9579953344cea0aefd75f517eb83cfbf633fab7f0bb7f33a3f86f81b82283ae959074b5602c2b0f7e0cf1611920595b785d1d687013be8ea3f40c9f15eb5
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Filesize
217KB
MD573822e49163b9dd032e9693ff6b2e1ce
SHA17e5bb4ff5383ed20776713f8392169824e0bf328
SHA2562f1f474c48ca164d5156c44a04cc688f424b89ff1fa5a3c1dd2c6a7596c954fc
SHA51235aa9579953344cea0aefd75f517eb83cfbf633fab7f0bb7f33a3f86f81b82283ae959074b5602c2b0f7e0cf1611920595b785d1d687013be8ea3f40c9f15eb5
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Filesize
18KB
MD5d0043ab29aa66dce824a1bdd90ee89fd
SHA1001370983ec43b7488a3278df4bb8cc909304b59
SHA2561c76a65acfeb10daef52175fc9f5a564ebec235de94f55f8c968a9c448b0c02d
SHA51204e03acc72c58e18d2be6df8eb0cb97502f4fa26fba924263c81edf7bd49158c591503a6e94d843e6e4894d732fc34c8b9833faacd7bd0fffb7f0bd2b00e3f39
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Filesize
18KB
MD5d0043ab29aa66dce824a1bdd90ee89fd
SHA1001370983ec43b7488a3278df4bb8cc909304b59
SHA2561c76a65acfeb10daef52175fc9f5a564ebec235de94f55f8c968a9c448b0c02d
SHA51204e03acc72c58e18d2be6df8eb0cb97502f4fa26fba924263c81edf7bd49158c591503a6e94d843e6e4894d732fc34c8b9833faacd7bd0fffb7f0bd2b00e3f39
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Filesize
141KB
MD5c192b66f7fe315fc049e63f5450e0729
SHA16ed197de1500be26628afcaf980b0570a5b64c7e
SHA256e54e1eab937609081f1fa903b10e85a8e396e75c12e0e74cf88b78daecacac54
SHA51232c11eaa517e21b8eda0a45dc13f1abbd9a2fb57d8bd336f63ff1f4f30750e6f12dac229c42a43fc2cd7dc8babd5dce8359545c3d203ac34b7a51ad3ca2c30ef
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Filesize
141KB
MD5c192b66f7fe315fc049e63f5450e0729
SHA16ed197de1500be26628afcaf980b0570a5b64c7e
SHA256e54e1eab937609081f1fa903b10e85a8e396e75c12e0e74cf88b78daecacac54
SHA51232c11eaa517e21b8eda0a45dc13f1abbd9a2fb57d8bd336f63ff1f4f30750e6f12dac229c42a43fc2cd7dc8babd5dce8359545c3d203ac34b7a51ad3ca2c30ef