Analysis
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max time kernel
135s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2023 03:30
Static task
static1
Behavioral task
behavioral1
Sample
a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exe
Resource
win10v2004-20230220-en
General
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Target
a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exe
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Size
689KB
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MD5
70667d257916e778fa3eae93d7bc1f69
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SHA1
f204e61f58bc8c997a50fc87870c9ec7dabe22b2
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SHA256
a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9
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SHA512
1d7a3e5a0552bac933fd6219a1739c026efd02ceab1cb889d07b7ad32e71169610284d149e7a3b1a42487f2c4c1b691bca185572071c7689e595b76682dbd84e
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SSDEEP
12288:+Mrmy90fhbDnaazaTx8wdBLbiyi65hLuS+1EKiJNUrtQK5EhWsmJzvuFuafig9CS:8ygvnaTx7TLbvxfaZ1EKiJEtQ6EfmJz+
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:
pro8924.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro8924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro8924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro8924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro8924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro8924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro8924.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/1144-191-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-192-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-194-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-196-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-198-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-200-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-202-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-204-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-206-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-211-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-214-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-216-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-218-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-220-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-222-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-224-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-226-0x0000000003960000-0x000000000399F000-memory.dmp family_redline behavioral1/memory/1144-228-0x0000000003960000-0x000000000399F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
un636548.exepro8924.exequ5728.exesi849578.exepid process 4928 un636548.exe 4908 pro8924.exe 1144 qu5728.exe 3888 si849578.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:
pro8924.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro8924.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro8924.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:
a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exeun636548.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.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\\\"" a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un636548.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\\\"" un636548.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 2040 4908 WerFault.exe pro8924.exe 3476 1144 WerFault.exe qu5728.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro8924.exequ5728.exesi849578.exepid process 4908 pro8924.exe 4908 pro8924.exe 1144 qu5728.exe 1144 qu5728.exe 3888 si849578.exe 3888 si849578.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro8924.exequ5728.exesi849578.exedescription pid process Token: SeDebugPrivilege 4908 pro8924.exe Token: SeDebugPrivilege 1144 qu5728.exe Token: SeDebugPrivilege 3888 si849578.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exeun636548.exedescription pid process target process PID 4208 wrote to memory of 4928 4208 a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exe un636548.exe PID 4208 wrote to memory of 4928 4208 a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exe un636548.exe PID 4208 wrote to memory of 4928 4208 a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exe un636548.exe PID 4928 wrote to memory of 4908 4928 un636548.exe pro8924.exe PID 4928 wrote to memory of 4908 4928 un636548.exe pro8924.exe PID 4928 wrote to memory of 4908 4928 un636548.exe pro8924.exe PID 4928 wrote to memory of 1144 4928 un636548.exe qu5728.exe PID 4928 wrote to memory of 1144 4928 un636548.exe qu5728.exe PID 4928 wrote to memory of 1144 4928 un636548.exe qu5728.exe PID 4208 wrote to memory of 3888 4208 a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exe si849578.exe PID 4208 wrote to memory of 3888 4208 a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exe si849578.exe PID 4208 wrote to memory of 3888 4208 a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exe si849578.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exe"C:\Users\Admin\AppData\Local\Temp\a7db750413614b36b2e17a8cb3543351af730a4a8786eacf3d952aadbc5f02c9.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4208 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un636548.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un636548.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro8924.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro8924.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4908 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 10844⤵
- Program crash
PID:2040 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5728.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5728.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1144 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 13604⤵
- Program crash
PID:3476 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si849578.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si849578.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4908 -ip 49081⤵PID:2600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1144 -ip 11441⤵PID:4616
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD549dd144158ca90cca4c39769acd6c19a
SHA1a338465706e1dbc261e20316ac9dea62b732cd04
SHA25628435bab860ec0199ae8080a88f06b97f40ca88804a371f54281afe63aac1586
SHA51204c084156e3eb680eb2a95888a8c4bf7074f455a3c968629d818f28ccdb4b3e20506dafaf829143ad8df93b268b104c43378500b96a9fffa4b361c43b6f38621
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Filesize
175KB
MD549dd144158ca90cca4c39769acd6c19a
SHA1a338465706e1dbc261e20316ac9dea62b732cd04
SHA25628435bab860ec0199ae8080a88f06b97f40ca88804a371f54281afe63aac1586
SHA51204c084156e3eb680eb2a95888a8c4bf7074f455a3c968629d818f28ccdb4b3e20506dafaf829143ad8df93b268b104c43378500b96a9fffa4b361c43b6f38621
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Filesize
547KB
MD501def3d6574c50ca5d991715d9bfc11f
SHA1e7cc618e8eeaf8c6383f81586f01295e0eea3ca6
SHA256e881eae60001bbf70022d5485d16fefdeb490201028971bc9947dcacadb09f6f
SHA512cfe820d104e48ded6df4902b939ca9a50baf3e82261eb3100be168aff8c04d377d7e047a4b74eb33cc56e3431f1ef8f46e4fd58a0c701cde6742b5ea2242fe3d
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Filesize
547KB
MD501def3d6574c50ca5d991715d9bfc11f
SHA1e7cc618e8eeaf8c6383f81586f01295e0eea3ca6
SHA256e881eae60001bbf70022d5485d16fefdeb490201028971bc9947dcacadb09f6f
SHA512cfe820d104e48ded6df4902b939ca9a50baf3e82261eb3100be168aff8c04d377d7e047a4b74eb33cc56e3431f1ef8f46e4fd58a0c701cde6742b5ea2242fe3d
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Filesize
291KB
MD501a383d327696723514394ab6c3259af
SHA1efb271378b58e024e1eb7bb9bfd21364eeb8fc73
SHA2564af642c42ce6b1bf725f07348729b6bade63f0fb52485086165d7f9609d123cd
SHA512346188ca56812d80a384931f8dfb3792478986539279536180c30d5926b7ed24d718c63e240b0a58e10fec14850c10f0824b48d32203979a59d55aecdbea6041
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Filesize
291KB
MD501a383d327696723514394ab6c3259af
SHA1efb271378b58e024e1eb7bb9bfd21364eeb8fc73
SHA2564af642c42ce6b1bf725f07348729b6bade63f0fb52485086165d7f9609d123cd
SHA512346188ca56812d80a384931f8dfb3792478986539279536180c30d5926b7ed24d718c63e240b0a58e10fec14850c10f0824b48d32203979a59d55aecdbea6041
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Filesize
345KB
MD51a822a3c34c50d6477906bd2be6321e1
SHA118a98cc8f202e288cf1b5f6a316f5641d41ade03
SHA256867ace2d508da79a5496c375808eb234b6f09cead247992f65b065c9e8c9c4d4
SHA51247faa38c8c5c703cb81697ba394ab2abaed7ad9e299b91c9574d62ea14d83599d64d64bbfcb94fcc81863362dbb49ab5552a8d87e81551d4df1e99e3caa81dd6
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Filesize
345KB
MD51a822a3c34c50d6477906bd2be6321e1
SHA118a98cc8f202e288cf1b5f6a316f5641d41ade03
SHA256867ace2d508da79a5496c375808eb234b6f09cead247992f65b065c9e8c9c4d4
SHA51247faa38c8c5c703cb81697ba394ab2abaed7ad9e299b91c9574d62ea14d83599d64d64bbfcb94fcc81863362dbb49ab5552a8d87e81551d4df1e99e3caa81dd6