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Analysis
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max time kernel
86s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01/04/2023, 18:23
Static task
static1
Behavioral task
behavioral1
Sample
37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.exe
Resource
win10v2004-20230220-en
General
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Target
37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.exe
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Size
658KB
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MD5
e91026d18e89493d1dfe812d36e5d818
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SHA1
d76d2e84c57803beb39dc64a7a2b1a78fbc6d376
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SHA256
37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0
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SHA512
e574a9d4eb1f39e6cf16538179a6bb483016b6f74752691147bcc84a6e0d2e115561a45b0502d0d2c0d04132bdb971f717edae8b435e190e11add654ea285857
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SSDEEP
12288:kMrOy90xvAhSIq7aC956IFZyAMSpLCPGZcFm155WK+EAZxpuaRAqa:iyjhsuC5678pL6UT5WK+EAzpuaa5
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
spora
176.113.115.145:4125
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auth_value
441b39ab37774b2ca9931c31e1bc6071
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro0362.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro0362.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro0362.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro0362.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro0362.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro0362.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 19 IoCs
resource yara_rule behavioral1/memory/3304-188-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-189-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-191-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-193-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-195-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-197-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-199-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-201-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-203-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-205-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-208-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-210-0x00000000048A0000-0x00000000048B0000-memory.dmp family_redline behavioral1/memory/3304-213-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-215-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-219-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-221-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-217-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-223-0x0000000007700000-0x000000000773F000-memory.dmp family_redline behavioral1/memory/3304-225-0x0000000007700000-0x000000000773F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 4596 un616616.exe 1208 pro0362.exe 3304 qu0242.exe 1260 si228360.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 pro0362.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro0362.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 37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.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\\\"" 37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un616616.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\\\"" un616616.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
pid pid_target Process procid_target 1364 1208 WerFault.exe 85 4564 3304 WerFault.exe 91 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1208 pro0362.exe 1208 pro0362.exe 3304 qu0242.exe 3304 qu0242.exe 1260 si228360.exe 1260 si228360.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1208 pro0362.exe Token: SeDebugPrivilege 3304 qu0242.exe Token: SeDebugPrivilege 1260 si228360.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4420 wrote to memory of 4596 4420 37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.exe 84 PID 4420 wrote to memory of 4596 4420 37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.exe 84 PID 4420 wrote to memory of 4596 4420 37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.exe 84 PID 4596 wrote to memory of 1208 4596 un616616.exe 85 PID 4596 wrote to memory of 1208 4596 un616616.exe 85 PID 4596 wrote to memory of 1208 4596 un616616.exe 85 PID 4596 wrote to memory of 3304 4596 un616616.exe 91 PID 4596 wrote to memory of 3304 4596 un616616.exe 91 PID 4596 wrote to memory of 3304 4596 un616616.exe 91 PID 4420 wrote to memory of 1260 4420 37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.exe 95 PID 4420 wrote to memory of 1260 4420 37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.exe 95 PID 4420 wrote to memory of 1260 4420 37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.exe"C:\Users\Admin\AppData\Local\Temp\37a85e31303be747a40bab92ba6661c15341dbf7d2087bf9b9595db5fb427aa0.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4420 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un616616.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un616616.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro0362.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro0362.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1208 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 10764⤵
- Program crash
PID:1364
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0242.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0242.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3304 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 13484⤵
- Program crash
PID:4564
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si228360.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si228360.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1208 -ip 12081⤵PID:3744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3304 -ip 33041⤵PID:4156
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5042bbafee5a2ee0074f25e3bfae7431b
SHA10136c6f5242211ad8ee5c64f8258f17c20b6b38e
SHA25685bfa6d89c573a40d6060d25027c9adf9b38d0e1be547288e64301dec31194b2
SHA512506c81c559de0f00aaaf405cf8fa4c057289de926bfc2ed5590be1dd919a8dca5bca1d9837e5484a87a195a03c7ec5d9e60ba0e34faffb62744fbc92e3c0dc3c
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Filesize
175KB
MD5042bbafee5a2ee0074f25e3bfae7431b
SHA10136c6f5242211ad8ee5c64f8258f17c20b6b38e
SHA25685bfa6d89c573a40d6060d25027c9adf9b38d0e1be547288e64301dec31194b2
SHA512506c81c559de0f00aaaf405cf8fa4c057289de926bfc2ed5590be1dd919a8dca5bca1d9837e5484a87a195a03c7ec5d9e60ba0e34faffb62744fbc92e3c0dc3c
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Filesize
516KB
MD5b73dc595993d63b2c4d6ca8fd65a26c2
SHA128af8cfb586ef26ce52e36e6a323490f518a1eeb
SHA25632924824b3a7a775321c04936fd177744c971e7540b6cc7d09c59c29f99acd1c
SHA5126ab1725233cca6d80f080aecf3f3f8b75c2bc8f1a441815def5649053153e2a05828f910977f82fe2a29fce253e480318ca2c532ea71ca0583463c2397bc6db4
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Filesize
516KB
MD5b73dc595993d63b2c4d6ca8fd65a26c2
SHA128af8cfb586ef26ce52e36e6a323490f518a1eeb
SHA25632924824b3a7a775321c04936fd177744c971e7540b6cc7d09c59c29f99acd1c
SHA5126ab1725233cca6d80f080aecf3f3f8b75c2bc8f1a441815def5649053153e2a05828f910977f82fe2a29fce253e480318ca2c532ea71ca0583463c2397bc6db4
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Filesize
295KB
MD5a51d02b92d5175d4efca761c41e5b019
SHA12e9ee4f7499b52cb3d02fb8b4d8c826865d5229f
SHA2568fd676b58a491da0640879de42e2275334d98aef19d1b9d95ac45afb44465de4
SHA5129a55fb3980573e8504f8d66fca1cb6a1bf2244550d1b25fd98bfe9d80d70e919048eb80f1e8350f33f6430a06e706feb49bd654eaad6d90368d996414d0fd66a
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Filesize
295KB
MD5a51d02b92d5175d4efca761c41e5b019
SHA12e9ee4f7499b52cb3d02fb8b4d8c826865d5229f
SHA2568fd676b58a491da0640879de42e2275334d98aef19d1b9d95ac45afb44465de4
SHA5129a55fb3980573e8504f8d66fca1cb6a1bf2244550d1b25fd98bfe9d80d70e919048eb80f1e8350f33f6430a06e706feb49bd654eaad6d90368d996414d0fd66a
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Filesize
354KB
MD58104e6765fe2672a031347bd9d53631c
SHA1823793651a8f3670302c48b3c3b93ab346384503
SHA256a9be38754676bf1abd0be01d4239c0a023cf5a285d598ca92875566d8f8db1b3
SHA5123b1e4fd59761a4b9a839d020b1e8e6370cb13581eb16628a756e02f19527437aa31b793cbfcf7e1c3952c9ffa5aa3b5123fe5f3ff230303d63f2c50e915dc4f4
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Filesize
354KB
MD58104e6765fe2672a031347bd9d53631c
SHA1823793651a8f3670302c48b3c3b93ab346384503
SHA256a9be38754676bf1abd0be01d4239c0a023cf5a285d598ca92875566d8f8db1b3
SHA5123b1e4fd59761a4b9a839d020b1e8e6370cb13581eb16628a756e02f19527437aa31b793cbfcf7e1c3952c9ffa5aa3b5123fe5f3ff230303d63f2c50e915dc4f4