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Analysis
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max time kernel
100s -
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
09/03/2023, 23:11
Static task
static1
Behavioral task
behavioral1
Sample
b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.exe
Resource
win10v2004-20230220-en
General
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Target
b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.exe
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Size
550KB
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MD5
55959b018bc944cb790ce12d441c76d5
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SHA1
62b846c240cce100adc2b4be08d84d1c3489e9b5
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SHA256
b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7
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SHA512
874b9da879ff437ced3274ae9e6caab0694d73cf26de4b6d1d30f5b1235c8f97fb369ba91fa711ebbab8816c281ee53ae8ccdf9e17f7e5928612da26a51eded0
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SSDEEP
12288:BMr5y90y2dvl0fBDGx9JMH2jvMk2oRJ3Yj:EydUoi9A2l3s
Malware Config
Extracted
redline
mango
193.233.20.28:4125
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auth_value
ecf79d7f5227d998a3501c972d915d23
Extracted
redline
dezik
193.56.146.220:4174
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auth_value
d39f21dca8edc10800b036ab83f4d75e
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" b7817Ao.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" b7817Ao.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" b7817Ao.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection b7817Ao.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" b7817Ao.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" b7817Ao.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 35 IoCs
resource yara_rule behavioral1/memory/3532-155-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-156-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-158-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-160-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-162-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-164-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-166-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-173-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-170-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-175-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-177-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-179-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-181-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-183-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-185-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-187-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-189-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-191-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-193-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-195-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-197-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-199-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-201-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-203-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-205-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-207-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-209-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-211-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-213-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-215-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-217-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-219-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-221-0x0000000004BC0000-0x0000000004BFE000-memory.dmp family_redline behavioral1/memory/3532-1074-0x0000000004D00000-0x0000000004D10000-memory.dmp family_redline behavioral1/memory/3532-1076-0x0000000004D00000-0x0000000004D10000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1536 nice6586.exe 2784 b7817Ao.exe 3532 c18qt48.exe 1688 dxhtK73.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" b7817Ao.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 b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.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\\\"" b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce nice6586.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\\\"" nice6586.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 1784 3532 WerFault.exe 87 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2784 b7817Ao.exe 2784 b7817Ao.exe 3532 c18qt48.exe 3532 c18qt48.exe 1688 dxhtK73.exe 1688 dxhtK73.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2784 b7817Ao.exe Token: SeDebugPrivilege 3532 c18qt48.exe Token: SeDebugPrivilege 1688 dxhtK73.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1252 wrote to memory of 1536 1252 b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.exe 85 PID 1252 wrote to memory of 1536 1252 b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.exe 85 PID 1252 wrote to memory of 1536 1252 b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.exe 85 PID 1536 wrote to memory of 2784 1536 nice6586.exe 86 PID 1536 wrote to memory of 2784 1536 nice6586.exe 86 PID 1536 wrote to memory of 3532 1536 nice6586.exe 87 PID 1536 wrote to memory of 3532 1536 nice6586.exe 87 PID 1536 wrote to memory of 3532 1536 nice6586.exe 87 PID 1252 wrote to memory of 1688 1252 b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.exe 90 PID 1252 wrote to memory of 1688 1252 b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.exe 90 PID 1252 wrote to memory of 1688 1252 b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.exe"C:\Users\Admin\AppData\Local\Temp\b2ae03dfa1e2a88fa10e8e1542766dddab7262164fdb8c7c9664439ebeb4f2c7.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1252 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nice6586.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nice6586.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7817Ao.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b7817Ao.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2784
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c18qt48.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c18qt48.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3532 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 20924⤵
- Program crash
PID:1784
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxhtK73.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dxhtK73.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3532 -ip 35321⤵PID:5116
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD592f2a148b8f701e50e2f838f73d4d7b7
SHA1324d8546e35d4f4285cac15b21620299ba5cb023
SHA2569ad66388140ef3b4a7c2918eb3c9083dd80396949f385dd6d17c28f97cf14f04
SHA5123300c7606f872e75deaff924ee77fcd975e515a0dbca907ddd16b25910f250c6b8c46c6cabda3ac4780a8dce5fb9a70bd0c4c184f649cd5375fb6278b2a0ea6c
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Filesize
175KB
MD592f2a148b8f701e50e2f838f73d4d7b7
SHA1324d8546e35d4f4285cac15b21620299ba5cb023
SHA2569ad66388140ef3b4a7c2918eb3c9083dd80396949f385dd6d17c28f97cf14f04
SHA5123300c7606f872e75deaff924ee77fcd975e515a0dbca907ddd16b25910f250c6b8c46c6cabda3ac4780a8dce5fb9a70bd0c4c184f649cd5375fb6278b2a0ea6c
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Filesize
405KB
MD535ecc15077eba9f8e0b48f3955821f11
SHA17fc56b2763e21e8f5c8a773de7f90faf53cf306b
SHA256a9f6366cfe80a498e8c6505a0716e5d6d7887403807e11c3bd4aada93a9af5a9
SHA512962fa6254760263972cf2535838efe8351855504b8681a45490e01a619227d1df084ebdbba8d38a7eb33d08d73044baa530010955603d41868a18db6b6c18ac7
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Filesize
405KB
MD535ecc15077eba9f8e0b48f3955821f11
SHA17fc56b2763e21e8f5c8a773de7f90faf53cf306b
SHA256a9f6366cfe80a498e8c6505a0716e5d6d7887403807e11c3bd4aada93a9af5a9
SHA512962fa6254760263972cf2535838efe8351855504b8681a45490e01a619227d1df084ebdbba8d38a7eb33d08d73044baa530010955603d41868a18db6b6c18ac7
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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
373KB
MD520b99e34b0d80c494d31fe7c82a62209
SHA162c58dea610c0247878fbb650d8d738be77eccc4
SHA256a1724e99b9051e9c6ec4fb697bba797b0dd2397d382122f58b4dc08e83f233d6
SHA5125253b5b871be67bc35b82a0ba52369675be11350d10cf41c5109547ad1c08fbf1f2534a57dede5102e7b5c171d955bfd4a706304d46903a4549a2ea867bdb811
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Filesize
373KB
MD520b99e34b0d80c494d31fe7c82a62209
SHA162c58dea610c0247878fbb650d8d738be77eccc4
SHA256a1724e99b9051e9c6ec4fb697bba797b0dd2397d382122f58b4dc08e83f233d6
SHA5125253b5b871be67bc35b82a0ba52369675be11350d10cf41c5109547ad1c08fbf1f2534a57dede5102e7b5c171d955bfd4a706304d46903a4549a2ea867bdb811