Analysis
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max time kernel
101s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2023, 11:50
Static task
static1
Behavioral task
behavioral1
Sample
4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.exe
Resource
win10v2004-20230220-en
General
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Target
4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.exe
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Size
723KB
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MD5
3961d8bf1a35dbb03073dc76842681af
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SHA1
ab6deddb79fd65ee537783e3e7be13708326c4b8
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SHA256
4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6
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SHA512
314197e637fd0afe16209b2f9c967db0946936c051533a24fb60d5cc1b7a204235522e476bdc8f9463f093622c0352ebc528a5ea7ee5bb03bdbbc44a48977213
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SSDEEP
12288:oquPpfwDP3V2l+yRowjKHl0y0N7q4UDmlP0uM3DQYtrdEe77dflfxsqRbVsOBVdj:oqnDPF8+eEFLC3FMuM3DQUf7ZfHsCRsO
Malware Config
Extracted
redline
boris
193.233.20.32:4125
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auth_value
766b5bdf6dbefcf7ca223351952fc38f
Extracted
redline
firmu
193.233.20.32:4125
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auth_value
9f3e5e35e4a3a38fc36c5a851728aa33
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr580098.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr580098.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr580098.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr580098.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr580098.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr580098.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/2788-158-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-159-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-161-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-163-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-165-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-167-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-169-0x00000000072A0000-0x00000000072B0000-memory.dmp family_redline behavioral1/memory/2788-174-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-170-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-176-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-178-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-180-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-182-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-184-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-186-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-188-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-190-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-192-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-194-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-196-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-198-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-200-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-202-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-204-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-206-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-208-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-210-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-212-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-214-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-216-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-218-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-220-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-222-0x0000000007860000-0x000000000789F000-memory.dmp family_redline behavioral1/memory/2788-1078-0x00000000072A0000-0x00000000072B0000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1240 ziHX2692.exe 2448 jr580098.exe 2788 ku525293.exe 3772 lr698188.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" jr580098.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 ziHX2692.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\\\"" ziHX2692.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.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\\\"" 4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.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 1984 2788 WerFault.exe 96 3132 4228 WerFault.exe 85 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2448 jr580098.exe 2448 jr580098.exe 2788 ku525293.exe 2788 ku525293.exe 3772 lr698188.exe 3772 lr698188.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2448 jr580098.exe Token: SeDebugPrivilege 2788 ku525293.exe Token: SeDebugPrivilege 3772 lr698188.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4228 wrote to memory of 1240 4228 4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.exe 86 PID 4228 wrote to memory of 1240 4228 4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.exe 86 PID 4228 wrote to memory of 1240 4228 4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.exe 86 PID 1240 wrote to memory of 2448 1240 ziHX2692.exe 87 PID 1240 wrote to memory of 2448 1240 ziHX2692.exe 87 PID 1240 wrote to memory of 2788 1240 ziHX2692.exe 96 PID 1240 wrote to memory of 2788 1240 ziHX2692.exe 96 PID 1240 wrote to memory of 2788 1240 ziHX2692.exe 96 PID 4228 wrote to memory of 3772 4228 4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.exe 100 PID 4228 wrote to memory of 3772 4228 4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.exe 100 PID 4228 wrote to memory of 3772 4228 4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.exe"C:\Users\Admin\AppData\Local\Temp\4b0f5b50a3f33bfd567d4c18e739530558c3c5619bf4d01b13fd77cbf362b6d6.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4228 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziHX2692.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziHX2692.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr580098.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr580098.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2448
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku525293.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku525293.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2788 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 13644⤵
- Program crash
PID:1984
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr698188.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr698188.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4228 -s 4242⤵
- Program crash
PID:3132
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2788 -ip 27881⤵PID:3376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 4228 -ip 42281⤵PID:5072
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD56b780eb9c71d7b15142e05f33765678b
SHA11b853b28e715a7c7a8e4a39567e7b22697265741
SHA2562067ab13d0198979bf52e0b0e37bc9187cb178517620826424fc3c9f41c06d76
SHA512a149005b933b4a7739cf723ee1fec219e8eb2019fbe5300a807383aae83c46e60d0fcd8f3b1f5cb8d85556ade4567db91ecdaa4fdbbc87350d5cb7b1f4274314
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Filesize
175KB
MD56b780eb9c71d7b15142e05f33765678b
SHA11b853b28e715a7c7a8e4a39567e7b22697265741
SHA2562067ab13d0198979bf52e0b0e37bc9187cb178517620826424fc3c9f41c06d76
SHA512a149005b933b4a7739cf723ee1fec219e8eb2019fbe5300a807383aae83c46e60d0fcd8f3b1f5cb8d85556ade4567db91ecdaa4fdbbc87350d5cb7b1f4274314
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Filesize
411KB
MD58d91ec84f02718c369e9f9eaab51e1ce
SHA11b0018def4b3cdadce39384d6a2e79f56fe44053
SHA256819583e33839182609181cc48b1bafc0ebab7bbb484e87a91629952d7498939e
SHA512b2eccec0af45552760fe620416eb8020f456d70a08cdea3d0f3de18de0784a9593d78743af3c51b9e7783a1b8681caaa2f55d1b71d3cc935d5f60daa97cb2b7d
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Filesize
411KB
MD58d91ec84f02718c369e9f9eaab51e1ce
SHA11b0018def4b3cdadce39384d6a2e79f56fe44053
SHA256819583e33839182609181cc48b1bafc0ebab7bbb484e87a91629952d7498939e
SHA512b2eccec0af45552760fe620416eb8020f456d70a08cdea3d0f3de18de0784a9593d78743af3c51b9e7783a1b8681caaa2f55d1b71d3cc935d5f60daa97cb2b7d
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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
385KB
MD5caff184a81a985eaf2586bf5718a9034
SHA1f443603f67b615813370fbd5d936b73acd1f9bba
SHA256a29ac52c5442775c1131743f1a283bcf84da104673753887b64b2692b32c6ebb
SHA512f4eff40ac6c79739f0fe1edad8998e2577ec7c8a0b921b19f9a438dc435e38dad6d130b538a36c04ebe5dd9bd239e9da180484329c5732e5e1a19de71158e77d
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Filesize
385KB
MD5caff184a81a985eaf2586bf5718a9034
SHA1f443603f67b615813370fbd5d936b73acd1f9bba
SHA256a29ac52c5442775c1131743f1a283bcf84da104673753887b64b2692b32c6ebb
SHA512f4eff40ac6c79739f0fe1edad8998e2577ec7c8a0b921b19f9a438dc435e38dad6d130b538a36c04ebe5dd9bd239e9da180484329c5732e5e1a19de71158e77d