Analysis
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max time kernel
78s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
22-03-2023 13:54
Static task
static1
Behavioral task
behavioral1
Sample
b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.exe
Resource
win10v2004-20230220-en
General
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Target
b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.exe
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Size
536KB
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MD5
f163827178e7044cd35f16e84cc320a1
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SHA1
553f45493e2d330458bce3298b48523f4d859edd
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SHA256
b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658
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SHA512
4140156471273bad264c2fc551d10e7a632d4a2023e348bae91ed0952a3085aecd9b6bc194bca0e284e659ecfce91ff05a7dc8964251101e85d05d7ca4022c16
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SSDEEP
12288:3MrOy905QHy+daQ3SdHjAiYkR3N6DklOdkZsy4jewO7Y2F:lyyL+daQ3SdDAiYkR3EQOyZsy452F
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
polo
193.233.20.31:4125
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auth_value
f1a1b1041a864e0f1f788d42ececa8b3
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro9617.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro9617.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro9617.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro9617.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro9617.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro9617.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 34 IoCs
resource yara_rule behavioral1/memory/3904-156-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-157-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-159-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-161-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-163-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-165-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-167-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-169-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-171-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-173-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-175-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-177-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-179-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-181-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-184-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-187-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-185-0x0000000002170000-0x0000000002180000-memory.dmp family_redline behavioral1/memory/3904-189-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-191-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-193-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-195-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-197-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-201-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-199-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-203-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-205-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-207-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-209-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-211-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-213-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-215-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-217-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-221-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline behavioral1/memory/3904-219-0x00000000051A0000-0x00000000051DE000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1448 unio3167.exe 1592 pro9617.exe 3904 qu1414.exe 1604 si821135.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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" pro9617.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 b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.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\\\"" b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio3167.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\\\"" unio3167.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 1 IoCs
pid pid_target Process procid_target 4780 3904 WerFault.exe 93 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1592 pro9617.exe 1592 pro9617.exe 3904 qu1414.exe 3904 qu1414.exe 1604 si821135.exe 1604 si821135.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1592 pro9617.exe Token: SeDebugPrivilege 3904 qu1414.exe Token: SeDebugPrivilege 1604 si821135.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4188 wrote to memory of 1448 4188 b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.exe 87 PID 4188 wrote to memory of 1448 4188 b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.exe 87 PID 4188 wrote to memory of 1448 4188 b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.exe 87 PID 1448 wrote to memory of 1592 1448 unio3167.exe 88 PID 1448 wrote to memory of 1592 1448 unio3167.exe 88 PID 1448 wrote to memory of 3904 1448 unio3167.exe 93 PID 1448 wrote to memory of 3904 1448 unio3167.exe 93 PID 1448 wrote to memory of 3904 1448 unio3167.exe 93 PID 4188 wrote to memory of 1604 4188 b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.exe 98 PID 4188 wrote to memory of 1604 4188 b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.exe 98 PID 4188 wrote to memory of 1604 4188 b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.exe"C:\Users\Admin\AppData\Local\Temp\b7e51552346f8977cfab48ff24bcb4f369af446111e5391239cb7bdfc4055658.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4188 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio3167.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio3167.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9617.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9617.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1592
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1414.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1414.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3904 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 18884⤵
- Program crash
PID:4780
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si821135.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si821135.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1604
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3904 -ip 39041⤵PID:3192
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD544a26d7004f8b65e1a8bac0ccac86d6a
SHA130b583c2c04c1167703ae255b4d44b96b411c8ff
SHA25637384f1bfb6d2193e4ece0ed1f6989f9ebd238e7b4582e1aedfa136cdfd07eb9
SHA51217788355a5190ca17ead744cad71ebb7cfc7ceb84625310d31a469af0fbd50b2c304ce969530e99effeb0d23b0530b57a001f02fe918abc40ea68ad336fa187b
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Filesize
175KB
MD544a26d7004f8b65e1a8bac0ccac86d6a
SHA130b583c2c04c1167703ae255b4d44b96b411c8ff
SHA25637384f1bfb6d2193e4ece0ed1f6989f9ebd238e7b4582e1aedfa136cdfd07eb9
SHA51217788355a5190ca17ead744cad71ebb7cfc7ceb84625310d31a469af0fbd50b2c304ce969530e99effeb0d23b0530b57a001f02fe918abc40ea68ad336fa187b
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Filesize
394KB
MD5b34206141f22d8d8ae7a96418f1dab71
SHA1303a74aee6bdf742b7c868886439058026baf70e
SHA256e6a586dcb550c652ae816224285f9abcd49d184c11987c0588e0e4eed2239200
SHA51215763b13542b89d5915f876c87d94da349fae1908089c9e1437eadaf73436893be9f7c2c9925d5a5d4ca2126077ff62c96604ab9cfbfe00a6295235c77df7578
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Filesize
394KB
MD5b34206141f22d8d8ae7a96418f1dab71
SHA1303a74aee6bdf742b7c868886439058026baf70e
SHA256e6a586dcb550c652ae816224285f9abcd49d184c11987c0588e0e4eed2239200
SHA51215763b13542b89d5915f876c87d94da349fae1908089c9e1437eadaf73436893be9f7c2c9925d5a5d4ca2126077ff62c96604ab9cfbfe00a6295235c77df7578
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
468KB
MD57b82598f880a3819b3a0d996675679b4
SHA1c6373bf40199181258b87c601eff7c2ee4c77ee5
SHA25697d33dda56b59c90e4aef0bf83dc1d80736a4556d9c76e4f0dfb3f6cf289e615
SHA5124ad5ed82b4191c18a296f68e182c6ab879257eaf919fcde3bac23677363fb487186e59e58d92de4d61c6424444116042b0cabf392ad61950cf30a5fa648d7060
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Filesize
468KB
MD57b82598f880a3819b3a0d996675679b4
SHA1c6373bf40199181258b87c601eff7c2ee4c77ee5
SHA25697d33dda56b59c90e4aef0bf83dc1d80736a4556d9c76e4f0dfb3f6cf289e615
SHA5124ad5ed82b4191c18a296f68e182c6ab879257eaf919fcde3bac23677363fb487186e59e58d92de4d61c6424444116042b0cabf392ad61950cf30a5fa648d7060