Analysis
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max time kernel
143s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
04-03-2023 06:44
Static task
static1
Behavioral task
behavioral1
Sample
a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe
Resource
win10v2004-20230220-en
General
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Target
a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe
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Size
658KB
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MD5
fb5bbc1bf21e12a65a4c7e1c619c6cdd
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SHA1
c402b0ca6fb8249b97b53922fd5ad905c7810762
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SHA256
a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6
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SHA512
63ad8b041cdb69979017307b29952803209c18a1429b46dc76c5e25066d65f5d0d46c4e905b467827225cb2ba6f51efc5cdfa126bfc76a22a087b3ba88383e44
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SSDEEP
12288:iMruy90uCEeYYvzskk/MeaDS6lIg6BF54ztBn2grAgbSjuSW6Sfu2zcN:EybCDVY1/UDSdK721gPZ6SfZzcN
Malware Config
Extracted
redline
rosto
hueref.eu:4162
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auth_value
07d81eba8cad42bbd0ae60042d48eac6
Extracted
redline
foksa
hueref.eu:4162
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auth_value
6a9b2601a21672b285de3ed41b5402e4
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" ursO82Js18.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection ursO82Js18.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" ursO82Js18.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" ursO82Js18.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" ursO82Js18.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" ursO82Js18.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/528-192-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-191-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-194-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-196-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-198-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-200-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-202-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-204-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-206-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-208-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-210-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-212-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-214-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-216-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-218-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-220-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-222-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-224-0x0000000004B30000-0x0000000004B6E000-memory.dmp family_redline behavioral1/memory/528-360-0x0000000004CA0000-0x0000000004CB0000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 940 yckh66Qy39.exe 368 ursO82Js18.exe 528 wrkL62zM92.exe 1856 xuYn47zf96.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 ursO82Js18.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" ursO82Js18.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 yckh66Qy39.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\\\"" yckh66Qy39.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.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\\\"" a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.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 3628 368 WerFault.exe 86 4836 528 WerFault.exe 92 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 368 ursO82Js18.exe 368 ursO82Js18.exe 528 wrkL62zM92.exe 528 wrkL62zM92.exe 1856 xuYn47zf96.exe 1856 xuYn47zf96.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 368 ursO82Js18.exe Token: SeDebugPrivilege 528 wrkL62zM92.exe Token: SeDebugPrivilege 1856 xuYn47zf96.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2672 wrote to memory of 940 2672 a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe 85 PID 2672 wrote to memory of 940 2672 a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe 85 PID 2672 wrote to memory of 940 2672 a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe 85 PID 940 wrote to memory of 368 940 yckh66Qy39.exe 86 PID 940 wrote to memory of 368 940 yckh66Qy39.exe 86 PID 940 wrote to memory of 368 940 yckh66Qy39.exe 86 PID 940 wrote to memory of 528 940 yckh66Qy39.exe 92 PID 940 wrote to memory of 528 940 yckh66Qy39.exe 92 PID 940 wrote to memory of 528 940 yckh66Qy39.exe 92 PID 2672 wrote to memory of 1856 2672 a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe 96 PID 2672 wrote to memory of 1856 2672 a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe 96 PID 2672 wrote to memory of 1856 2672 a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe"C:\Users\Admin\AppData\Local\Temp\a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2672 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckh66Qy39.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckh66Qy39.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:940 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursO82Js18.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursO82Js18.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:368 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 10844⤵
- Program crash
PID:3628
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrkL62zM92.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrkL62zM92.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:528 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 16804⤵
- Program crash
PID:4836
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuYn47zf96.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuYn47zf96.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 368 -ip 3681⤵PID:3748
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 528 -ip 5281⤵PID:432
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175KB
MD575ced8ad0d8cd237ebc9cb7b00852651
SHA1adab63df3e0a40fd9f170ab57da66f01f226141c
SHA256a35a264162c124ffd066dd867ed96359131d37b243cb0445c1c9eba6a58de819
SHA512f565a49b14671683a1e48cece82a437a79bf8bdb456a3c6f35fac020e5fef3cd666399208633b7d2da9407f7b334a311a416b0a969c8b62ff28e15e7d4a0c431
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Filesize
175KB
MD575ced8ad0d8cd237ebc9cb7b00852651
SHA1adab63df3e0a40fd9f170ab57da66f01f226141c
SHA256a35a264162c124ffd066dd867ed96359131d37b243cb0445c1c9eba6a58de819
SHA512f565a49b14671683a1e48cece82a437a79bf8bdb456a3c6f35fac020e5fef3cd666399208633b7d2da9407f7b334a311a416b0a969c8b62ff28e15e7d4a0c431
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Filesize
513KB
MD53b5adf0a02305e4ba3a8cfffd3fa327d
SHA16b214cd9fa758cc86231b3604ea72344214e851f
SHA256cbf60872fe44817358383248aba795ce15b891f3bd9db18d4c61d0d4e22b0bb4
SHA51254a99c607662be3d55bd7cb99ec259fbe9466903f9624d58b279148677b1eaa945454ca22c753ea13f1d2b67677c030e7b04ccdceb2e56963c77b6075de67b1b
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Filesize
513KB
MD53b5adf0a02305e4ba3a8cfffd3fa327d
SHA16b214cd9fa758cc86231b3604ea72344214e851f
SHA256cbf60872fe44817358383248aba795ce15b891f3bd9db18d4c61d0d4e22b0bb4
SHA51254a99c607662be3d55bd7cb99ec259fbe9466903f9624d58b279148677b1eaa945454ca22c753ea13f1d2b67677c030e7b04ccdceb2e56963c77b6075de67b1b
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Filesize
232KB
MD51d8450c22d0685062fa559346d97c2f9
SHA194d2edc27c9ad87acf29421aa6088fd2a44656ab
SHA256202b3d8198df3df67a813cc982b0b8633d7b37b9e2989b095b2f11003dd19d4e
SHA5122ce62c12a659a5f4b57cb2c603a14e9582f317b4c2f154ce83660f9eb1ab75586c146b7b939d2b6f920602c762e22c6c543a5d4edc2d51bb693bfc21f9c43c58
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Filesize
232KB
MD51d8450c22d0685062fa559346d97c2f9
SHA194d2edc27c9ad87acf29421aa6088fd2a44656ab
SHA256202b3d8198df3df67a813cc982b0b8633d7b37b9e2989b095b2f11003dd19d4e
SHA5122ce62c12a659a5f4b57cb2c603a14e9582f317b4c2f154ce83660f9eb1ab75586c146b7b939d2b6f920602c762e22c6c543a5d4edc2d51bb693bfc21f9c43c58
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Filesize
289KB
MD5f0e44cc1d3ea3d0f271600614f465e1c
SHA16d4deac97a138ee4b71ff26d81873ad0f6087215
SHA256b5c957666de5d36b238029df439991d3aae2a0351e983b641989e13d254fe52c
SHA5129dc227622c328ecdc9e29390eacdd04cc8c5a405a483068f0104989e4f29e46957b1c2b92d66a5d1a08b59d5172bb4d2729509f2ef9eff6c9cbf553280e261f8
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Filesize
289KB
MD5f0e44cc1d3ea3d0f271600614f465e1c
SHA16d4deac97a138ee4b71ff26d81873ad0f6087215
SHA256b5c957666de5d36b238029df439991d3aae2a0351e983b641989e13d254fe52c
SHA5129dc227622c328ecdc9e29390eacdd04cc8c5a405a483068f0104989e4f29e46957b1c2b92d66a5d1a08b59d5172bb4d2729509f2ef9eff6c9cbf553280e261f8