Analysis
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max time kernel
77s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
04/03/2023, 03:02
Static task
static1
Behavioral task
behavioral1
Sample
31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe
Resource
win10v2004-20230221-en
General
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Target
31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe
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Size
659KB
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MD5
0f7f7c7afdc36ced1bfaf7863adde688
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SHA1
1906c65ac5ccb99a59609551aa157f064d8b57d7
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SHA256
31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5
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SHA512
5a1e9ac236d33abd2e172f74281fa4e594be730b5c7f491d7db2f969a4433a465851f699e5fe72dd5ee837698e5d4542c01d74ad70b1c321cc01def5e222b638
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SSDEEP
12288:nMrey90A/xxXV5iwyGdEsRXR8vqHw67jQZMx5dtFMy541:Byn/xtV5oJsVexMfHGy52
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 Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection urLG21fF51.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" urLG21fF51.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" urLG21fF51.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" urLG21fF51.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" urLG21fF51.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" urLG21fF51.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/2720-191-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-193-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-190-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-195-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-197-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-199-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-201-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-203-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-205-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-207-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-209-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-211-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-213-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-215-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-217-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-219-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-221-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-223-0x00000000050F0000-0x000000000512E000-memory.dmp family_redline behavioral1/memory/2720-543-0x00000000024D0000-0x00000000024E0000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 4968 ycyk97nd75.exe 4720 urLG21fF51.exe 2720 wrgz69Rr38.exe 2124 xuLG21eK52.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 urLG21fF51.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" urLG21fF51.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 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\\\"" ycyk97nd75.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.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\\\"" 31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ycyk97nd75.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 1116 4720 WerFault.exe 85 4896 2720 WerFault.exe 91 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4720 urLG21fF51.exe 4720 urLG21fF51.exe 2720 wrgz69Rr38.exe 2720 wrgz69Rr38.exe 2124 xuLG21eK52.exe 2124 xuLG21eK52.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4720 urLG21fF51.exe Token: SeDebugPrivilege 2720 wrgz69Rr38.exe Token: SeDebugPrivilege 2124 xuLG21eK52.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1412 wrote to memory of 4968 1412 31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe 84 PID 1412 wrote to memory of 4968 1412 31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe 84 PID 1412 wrote to memory of 4968 1412 31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe 84 PID 4968 wrote to memory of 4720 4968 ycyk97nd75.exe 85 PID 4968 wrote to memory of 4720 4968 ycyk97nd75.exe 85 PID 4968 wrote to memory of 4720 4968 ycyk97nd75.exe 85 PID 4968 wrote to memory of 2720 4968 ycyk97nd75.exe 91 PID 4968 wrote to memory of 2720 4968 ycyk97nd75.exe 91 PID 4968 wrote to memory of 2720 4968 ycyk97nd75.exe 91 PID 1412 wrote to memory of 2124 1412 31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe 95 PID 1412 wrote to memory of 2124 1412 31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe 95 PID 1412 wrote to memory of 2124 1412 31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe"C:\Users\Admin\AppData\Local\Temp\31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1412 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycyk97nd75.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycyk97nd75.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urLG21fF51.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urLG21fF51.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4720 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 10804⤵
- Program crash
PID:1116
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrgz69Rr38.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrgz69Rr38.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2720 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 13884⤵
- Program crash
PID:4896
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuLG21eK52.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuLG21eK52.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4720 -ip 47201⤵PID:424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2720 -ip 27201⤵PID:4804
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
514KB
MD57a2d469ad0f3225134eaf260e9293f9a
SHA177bd9f9d307375ed8a8ad0540a6af8f80e7037ab
SHA2567d9ebc5efd8ed7deecc6d244f2944b41f9716aa915e937a2042781fa951fb8e7
SHA512adc127cc65d493ad1763cf5e7f624a6d777feb9a4c5e7620feb69022cb2b27de4da133739ddd6eb530f416d44fff0fd57913f554df216a8a5f8d324a2eca2692
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Filesize
514KB
MD57a2d469ad0f3225134eaf260e9293f9a
SHA177bd9f9d307375ed8a8ad0540a6af8f80e7037ab
SHA2567d9ebc5efd8ed7deecc6d244f2944b41f9716aa915e937a2042781fa951fb8e7
SHA512adc127cc65d493ad1763cf5e7f624a6d777feb9a4c5e7620feb69022cb2b27de4da133739ddd6eb530f416d44fff0fd57913f554df216a8a5f8d324a2eca2692
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Filesize
232KB
MD5654d38a192aa90f8f2d4c64647ed64d1
SHA1366c844b2fc2b4c0b0191754d4a1470e1763ccb4
SHA25693f2d867562d5187beac7b8d7a55a8f435b7bbab77152b0c7bb3f8c22c2d23a2
SHA5129ce88068e0e4cfac55467fbccc2621bbe431353bf4faf6a0957a6ae38f083023fbd130abb423e35f344e4d3952aed8470eba47c3ab71ff7ec61ff5a79aa80303
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Filesize
232KB
MD5654d38a192aa90f8f2d4c64647ed64d1
SHA1366c844b2fc2b4c0b0191754d4a1470e1763ccb4
SHA25693f2d867562d5187beac7b8d7a55a8f435b7bbab77152b0c7bb3f8c22c2d23a2
SHA5129ce88068e0e4cfac55467fbccc2621bbe431353bf4faf6a0957a6ae38f083023fbd130abb423e35f344e4d3952aed8470eba47c3ab71ff7ec61ff5a79aa80303
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Filesize
289KB
MD51c795044102f7759152f7661b15c22bf
SHA166e3fee6ce5c4fd8974bb493b8ea7f63f0de4224
SHA2568f76de3f10a19e704eaaa544d8b0aea616b3b55e5e9d4f91afed3db0c60714a4
SHA5128c6313c1b71200f905a41b131ebb5a54f4057dd14fe062565674b4d86ebdb8ca2faf8655c970bb3ba279d34ea761c0d71d81c94f3fc9cec7dd2c49737b7653a1
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Filesize
289KB
MD51c795044102f7759152f7661b15c22bf
SHA166e3fee6ce5c4fd8974bb493b8ea7f63f0de4224
SHA2568f76de3f10a19e704eaaa544d8b0aea616b3b55e5e9d4f91afed3db0c60714a4
SHA5128c6313c1b71200f905a41b131ebb5a54f4057dd14fe062565674b4d86ebdb8ca2faf8655c970bb3ba279d34ea761c0d71d81c94f3fc9cec7dd2c49737b7653a1