Analysis
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max time kernel
79s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
22/03/2023, 22:14
Static task
static1
Behavioral task
behavioral1
Sample
b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.exe
Resource
win10v2004-20230221-en
General
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Target
b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.exe
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Size
551KB
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MD5
cfad0db7a3356724db287528b3043e3c
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SHA1
df4e6fe10f963bf5167b86a58f8ef39522b767f7
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SHA256
b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1
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SHA512
27221f77b8f7ccc0b71e4a4da670af3de785302854ff533ec1bad5e7862d1a135dd83fd8151ae820c15c9bbb7b75c9800ae604e5937c2ec114fc4b1136150597
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SSDEEP
12288:CMrKy90Z5Bidx2CeH9BIOQf5R7zXeEmBS56a2ep1ffEE97pZP3:Eye/2g7ez7zXxmBSyGNN3
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
real
193.233.20.31:4125
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auth_value
bb22a50228754849387d5f4d1611e71b
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro7755.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro7755.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro7755.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro7755.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro7755.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro7755.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
resource yara_rule behavioral1/memory/1972-155-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-156-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-158-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-160-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-162-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-164-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-166-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-168-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-170-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-172-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-174-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-178-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-180-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-182-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-184-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-186-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-188-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-190-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-192-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-194-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-196-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-198-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-200-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-202-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-204-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-206-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-208-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-210-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-212-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-214-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-216-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-218-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline behavioral1/memory/1972-220-0x0000000004BE0000-0x0000000004C1E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1976 unio0006.exe 1888 pro7755.exe 1972 qu6414.exe 3612 si087836.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" pro7755.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 b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.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\\\"" b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio0006.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\\\"" unio0006.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 4904 1972 WerFault.exe 96 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1888 pro7755.exe 1888 pro7755.exe 1972 qu6414.exe 1972 qu6414.exe 3612 si087836.exe 3612 si087836.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1888 pro7755.exe Token: SeDebugPrivilege 1972 qu6414.exe Token: SeDebugPrivilege 3612 si087836.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2156 wrote to memory of 1976 2156 b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.exe 85 PID 2156 wrote to memory of 1976 2156 b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.exe 85 PID 2156 wrote to memory of 1976 2156 b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.exe 85 PID 1976 wrote to memory of 1888 1976 unio0006.exe 86 PID 1976 wrote to memory of 1888 1976 unio0006.exe 86 PID 1976 wrote to memory of 1972 1976 unio0006.exe 96 PID 1976 wrote to memory of 1972 1976 unio0006.exe 96 PID 1976 wrote to memory of 1972 1976 unio0006.exe 96 PID 2156 wrote to memory of 3612 2156 b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.exe 103 PID 2156 wrote to memory of 3612 2156 b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.exe 103 PID 2156 wrote to memory of 3612 2156 b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.exe"C:\Users\Admin\AppData\Local\Temp\b88ac567286dcc88503415bdde50da840f7dd51324eb5c966ca89b533a6dfcc1.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio0006.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio0006.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7755.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro7755.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1888
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu6414.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu6414.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1972 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 15324⤵
- Program crash
PID:4904
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si087836.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si087836.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3612
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1972 -ip 19721⤵PID:3684
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD541707338e1e2d868aa699ac0dd2e77b0
SHA136e0dfba09f9fb409faf0f9a99217d0d0c524b82
SHA2568d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557
SHA51280c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2
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Filesize
175KB
MD541707338e1e2d868aa699ac0dd2e77b0
SHA136e0dfba09f9fb409faf0f9a99217d0d0c524b82
SHA2568d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557
SHA51280c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2
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Filesize
409KB
MD5e9478ea4675ee2dbe6c7191cb9b2df72
SHA1f644d380cbef1b765eb6d32b94359b51100af002
SHA25645a976d83f9560cc4177fafff0790fdddb4cdf8d82872144756205303812c6ce
SHA5128c553bbe5128251936b640edef134d12e3c726e980eb970c13604407370eebbb4e3b3be6164f9e99d450b702d28a9c2d41b5c87c202afeef1785eff1f98521d4
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Filesize
409KB
MD5e9478ea4675ee2dbe6c7191cb9b2df72
SHA1f644d380cbef1b765eb6d32b94359b51100af002
SHA25645a976d83f9560cc4177fafff0790fdddb4cdf8d82872144756205303812c6ce
SHA5128c553bbe5128251936b640edef134d12e3c726e980eb970c13604407370eebbb4e3b3be6164f9e99d450b702d28a9c2d41b5c87c202afeef1785eff1f98521d4
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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
497KB
MD54c1c57c1b94d919f587465d0c8b2fb88
SHA1e0817baf1c702ba7663d890b6e6e9af5a08bb4e0
SHA256a9ab5f4bfcf2ce54a5ebdaeea91816e7cab7433acf5d1a5da7493bac605849ff
SHA51250a11243a57548578f8d4ab4cac9d004480301de14ed3fe26588919d95b2b529fc7ffe45c7f1a0110831b737282fcf8f200402b1aee522d0781702cc782a0957
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Filesize
497KB
MD54c1c57c1b94d919f587465d0c8b2fb88
SHA1e0817baf1c702ba7663d890b6e6e9af5a08bb4e0
SHA256a9ab5f4bfcf2ce54a5ebdaeea91816e7cab7433acf5d1a5da7493bac605849ff
SHA51250a11243a57548578f8d4ab4cac9d004480301de14ed3fe26588919d95b2b529fc7ffe45c7f1a0110831b737282fcf8f200402b1aee522d0781702cc782a0957