Analysis
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max time kernel
61s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2023 07:10
Static task
static1
Behavioral task
behavioral1
Sample
bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exe
Resource
win10v2004-20230221-en
General
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Target
bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exe
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Size
684KB
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MD5
ab1dd561d82c7644af9152e0ab203fa7
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SHA1
3772bde724ea056865b01416f18a579c4c4e7d52
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SHA256
bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22
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SHA512
8e2f7c4110aba512f571df8386cc70609a1d39d9c69c247ac43b98928d1c6496f87ceb857217dc06d6ea3544703a4a1400a9dffce599deb452f71407b0196c4d
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SSDEEP
12288:TMr1y902mp80aatJo4KDLW5t49KyDjog+n4HWSbsfD7u87q:uydpLX9KyDj64UfD7tm
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
from
176.113.115.145:4125
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auth_value
8633e283485822a4a48f0a41d5397566
Signatures
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Processes:
pro7266.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro7266.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro7266.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro7266.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro7266.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro7266.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro7266.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/4844-193-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-194-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-196-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-198-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-200-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-202-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-204-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-206-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-210-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-208-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-212-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-214-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-216-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-218-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-220-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-222-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-224-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline behavioral1/memory/4844-226-0x0000000004D00000-0x0000000004D3F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
un060690.exepro7266.exequ3077.exesi791447.exepid process 2464 un060690.exe 2816 pro7266.exe 4844 qu3077.exe 2004 si791447.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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Processes:
pro7266.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro7266.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro7266.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
Processes:
un060690.exebf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exedescription ioc process 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\\\"" un060690.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.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\\\"" bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un060690.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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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 540 2816 WerFault.exe pro7266.exe 3936 4844 WerFault.exe qu3077.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro7266.exequ3077.exesi791447.exepid process 2816 pro7266.exe 2816 pro7266.exe 4844 qu3077.exe 4844 qu3077.exe 2004 si791447.exe 2004 si791447.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro7266.exequ3077.exesi791447.exedescription pid process Token: SeDebugPrivilege 2816 pro7266.exe Token: SeDebugPrivilege 4844 qu3077.exe Token: SeDebugPrivilege 2004 si791447.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exeun060690.exedescription pid process target process PID 1836 wrote to memory of 2464 1836 bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exe un060690.exe PID 1836 wrote to memory of 2464 1836 bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exe un060690.exe PID 1836 wrote to memory of 2464 1836 bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exe un060690.exe PID 2464 wrote to memory of 2816 2464 un060690.exe pro7266.exe PID 2464 wrote to memory of 2816 2464 un060690.exe pro7266.exe PID 2464 wrote to memory of 2816 2464 un060690.exe pro7266.exe PID 2464 wrote to memory of 4844 2464 un060690.exe qu3077.exe PID 2464 wrote to memory of 4844 2464 un060690.exe qu3077.exe PID 2464 wrote to memory of 4844 2464 un060690.exe qu3077.exe PID 1836 wrote to memory of 2004 1836 bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exe si791447.exe PID 1836 wrote to memory of 2004 1836 bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exe si791447.exe PID 1836 wrote to memory of 2004 1836 bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exe si791447.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exe"C:\Users\Admin\AppData\Local\Temp\bf8222cb2e502cab20910844c7de4c4f1dbaf3ae0a59c9fdbe9c92603ccace22.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1836 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060690.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un060690.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7266.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7266.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2816 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 10964⤵
- Program crash
PID:540
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3077.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3077.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4844 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 16244⤵
- Program crash
PID:3936
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si791447.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si791447.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2816 -ip 28161⤵PID:1172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4844 -ip 48441⤵PID:3412
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5c140eb7e13405399cea9ad9d0b6cafdb
SHA13c8e063d843ffe44d6953300e44e260ac03bc67d
SHA25645db734f88dbf396ef7657ae458497407835722db3ac2add7f0bab77a6b13418
SHA51289130bd69a9a6ecc823424d9d651b884ad8117ed2f359792e594abaf5d9d34032925ce5eeec60c27b23d40ff11b1fc8b6fa4b989e2c588545745a728fa105f1e
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Filesize
175KB
MD5c140eb7e13405399cea9ad9d0b6cafdb
SHA13c8e063d843ffe44d6953300e44e260ac03bc67d
SHA25645db734f88dbf396ef7657ae458497407835722db3ac2add7f0bab77a6b13418
SHA51289130bd69a9a6ecc823424d9d651b884ad8117ed2f359792e594abaf5d9d34032925ce5eeec60c27b23d40ff11b1fc8b6fa4b989e2c588545745a728fa105f1e
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Filesize
542KB
MD54634ad70e00de35b8444babf6a948dd3
SHA1dc9c18f3abf9322678e656769f1fce6856ac9076
SHA256f60746a6fa0bfabed806227fa3832aea81ad3667214b4dfddf4a7030e3543257
SHA51298beb95e1b25542b97be8b176784cfcbf75897573ef627ea2009d5a852c9e5048a5ef7614a830d03c34d71f327de72120fefb674c9ba1b4ff71d4c4e09aa6df7
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Filesize
542KB
MD54634ad70e00de35b8444babf6a948dd3
SHA1dc9c18f3abf9322678e656769f1fce6856ac9076
SHA256f60746a6fa0bfabed806227fa3832aea81ad3667214b4dfddf4a7030e3543257
SHA51298beb95e1b25542b97be8b176784cfcbf75897573ef627ea2009d5a852c9e5048a5ef7614a830d03c34d71f327de72120fefb674c9ba1b4ff71d4c4e09aa6df7
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Filesize
321KB
MD502bc50fb57a62b94b707fe2a23c1cf32
SHA1e129b2cfa6b9031c45f0be62330ed174dd53230e
SHA256d5c5dcda63fcbb7e97d4423537dbd8d0cd86e474e5875873aa0b2e8ee1cfeb17
SHA512b0ecd646f565e0af2a3976fa192790db370848936652a57777348449058db402e9bf38f94d9780d578efd16962c764696c3a8103f49aa4ad249596bd2c573d58
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Filesize
321KB
MD502bc50fb57a62b94b707fe2a23c1cf32
SHA1e129b2cfa6b9031c45f0be62330ed174dd53230e
SHA256d5c5dcda63fcbb7e97d4423537dbd8d0cd86e474e5875873aa0b2e8ee1cfeb17
SHA512b0ecd646f565e0af2a3976fa192790db370848936652a57777348449058db402e9bf38f94d9780d578efd16962c764696c3a8103f49aa4ad249596bd2c573d58
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Filesize
379KB
MD54b0bb983f9c4283af6ff3f17ec7c5d57
SHA14711018a46adf9c146b58689b66f64e6ed2dc6ea
SHA2569590922234d3dcfb33a9f260e0941bc4ababaf33e058c7c6211daf2bbbb96f78
SHA51275354ccf80772806e24d460753636fa321fffda41aa9f2c5bc1186bafda1416ef5084e880bc7e91e90b15348142623269489245a519b525797029bb7c184b82d
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Filesize
379KB
MD54b0bb983f9c4283af6ff3f17ec7c5d57
SHA14711018a46adf9c146b58689b66f64e6ed2dc6ea
SHA2569590922234d3dcfb33a9f260e0941bc4ababaf33e058c7c6211daf2bbbb96f78
SHA51275354ccf80772806e24d460753636fa321fffda41aa9f2c5bc1186bafda1416ef5084e880bc7e91e90b15348142623269489245a519b525797029bb7c184b82d