Analysis
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max time kernel
51s -
max time network
53s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
02/03/2023, 13:01
Static task
static1
Behavioral task
behavioral1
Sample
dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.exe
Resource
win10-20230220-en
General
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Target
dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.exe
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Size
685KB
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MD5
ec1878ab95fa853e8492d3ce88ca8390
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SHA1
f8fd8309baae950868cb85134bfaf729cf3fcdc8
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SHA256
dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7
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SHA512
9c3b926d7639029f0e11e38862b3db93d6b48bce6f7f5ea0d7ef0da149c38576c5e61f5764969a991f75a9ea2db2fb04fc8103c5fe645abd7c7c6c43124a4ab0
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SSDEEP
12288:YMrpy90TsHs0iKOk+adDz9l5U5Lx4DEIVB7nSjxNi8:hyNr5dlak3VB7nSjPi8
Malware Config
Extracted
redline
stek
melevv.eu:4162
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auth_value
4205381daf6946b2df5fe3bc7eacc918
Extracted
redline
fomich
melevv.eu:4162
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auth_value
b018e52ac946001794d8b8c23e901859
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" sw29Py41WF46.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" sw29Py41WF46.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" sw29Py41WF46.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" sw29Py41WF46.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" sw29Py41WF46.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 21 IoCs
resource yara_rule behavioral1/memory/4736-180-0x0000000004860000-0x00000000048A6000-memory.dmp family_redline behavioral1/memory/4736-181-0x00000000076C0000-0x0000000007704000-memory.dmp family_redline behavioral1/memory/4736-182-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-183-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-185-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-187-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-189-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-191-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-193-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-196-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-197-0x00000000071B0000-0x00000000071C0000-memory.dmp family_redline behavioral1/memory/4736-200-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-202-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-204-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-206-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-208-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-210-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-212-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-214-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-216-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline behavioral1/memory/4736-218-0x00000000076C0000-0x00000000076FE000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 4228 vgr5451dV.exe 3652 sw29Py41WF46.exe 4736 tVj60fA00.exe 1176 uDC78pr68.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 sw29Py41WF46.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" sw29Py41WF46.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 dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.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\\\"" dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce vgr5451dV.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\\\"" vgr5451dV.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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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3652 sw29Py41WF46.exe 3652 sw29Py41WF46.exe 4736 tVj60fA00.exe 4736 tVj60fA00.exe 1176 uDC78pr68.exe 1176 uDC78pr68.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3652 sw29Py41WF46.exe Token: SeDebugPrivilege 4736 tVj60fA00.exe Token: SeDebugPrivilege 1176 uDC78pr68.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3632 wrote to memory of 4228 3632 dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.exe 66 PID 3632 wrote to memory of 4228 3632 dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.exe 66 PID 3632 wrote to memory of 4228 3632 dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.exe 66 PID 4228 wrote to memory of 3652 4228 vgr5451dV.exe 67 PID 4228 wrote to memory of 3652 4228 vgr5451dV.exe 67 PID 4228 wrote to memory of 3652 4228 vgr5451dV.exe 67 PID 4228 wrote to memory of 4736 4228 vgr5451dV.exe 68 PID 4228 wrote to memory of 4736 4228 vgr5451dV.exe 68 PID 4228 wrote to memory of 4736 4228 vgr5451dV.exe 68 PID 3632 wrote to memory of 1176 3632 dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.exe 70 PID 3632 wrote to memory of 1176 3632 dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.exe 70 PID 3632 wrote to memory of 1176 3632 dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.exe"C:\Users\Admin\AppData\Local\Temp\dc7aa7cc3a4ac710d5a2955c78ee831867e520044fcab6d353631745acbe49d7.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3632 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vgr5451dV.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vgr5451dV.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4228 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw29Py41WF46.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw29Py41WF46.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3652
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tVj60fA00.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tVj60fA00.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4736
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uDC78pr68.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uDC78pr68.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1176
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD572b86ac862798c930a94e69c4dbeabe2
SHA1e44051080056c89d0cb67170c5cc296c95b71660
SHA2561a1802a3519f48f878618343728cda034cc04673357c411cc8073e7b386a3d8a
SHA512f155d1d71650689b5c9d3370f8134fbb645fd4ce0186dab347055014e174512e0f9321ceddacfa881d5317f8612178a7eecb310c612832757f80d86534906ea8
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Filesize
175KB
MD572b86ac862798c930a94e69c4dbeabe2
SHA1e44051080056c89d0cb67170c5cc296c95b71660
SHA2561a1802a3519f48f878618343728cda034cc04673357c411cc8073e7b386a3d8a
SHA512f155d1d71650689b5c9d3370f8134fbb645fd4ce0186dab347055014e174512e0f9321ceddacfa881d5317f8612178a7eecb310c612832757f80d86534906ea8
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Filesize
541KB
MD57aa1b433364613d478fc26cf3925b1e9
SHA1edcc0b3433e8ac8f441b3ab98a08d2ade4842a6e
SHA256c23f9bfd9affb51e9cb8cad86aa7dc624346b6c9890c7a19ebe06231e47aea79
SHA5123b2297c550f173ceb9393d2d9524ca1960c48b403f27e8d6e664d0ef7c8a1f1c681d237c5d4cb824f82d7db2f97a992688b6b28ca02eedd5332b6ead406bee4a
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Filesize
541KB
MD57aa1b433364613d478fc26cf3925b1e9
SHA1edcc0b3433e8ac8f441b3ab98a08d2ade4842a6e
SHA256c23f9bfd9affb51e9cb8cad86aa7dc624346b6c9890c7a19ebe06231e47aea79
SHA5123b2297c550f173ceb9393d2d9524ca1960c48b403f27e8d6e664d0ef7c8a1f1c681d237c5d4cb824f82d7db2f97a992688b6b28ca02eedd5332b6ead406bee4a
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Filesize
322KB
MD595d870b20fd753bfc45f87e159f3ec33
SHA1c416f81fd8185abdff6c8161e5c7ebafac082a14
SHA25621999b0890343195296b6f9092c12370103d4601ab3d6e4a0c3c16e02874c294
SHA512621a06f070c8665feb000d09fbd5a69dc1bd77cf5e85ca0b4c6b52207421d78659e8e773e425dbeded24112c49f6a5896e79771d497904debfcb11a8e92e63c3
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Filesize
322KB
MD595d870b20fd753bfc45f87e159f3ec33
SHA1c416f81fd8185abdff6c8161e5c7ebafac082a14
SHA25621999b0890343195296b6f9092c12370103d4601ab3d6e4a0c3c16e02874c294
SHA512621a06f070c8665feb000d09fbd5a69dc1bd77cf5e85ca0b4c6b52207421d78659e8e773e425dbeded24112c49f6a5896e79771d497904debfcb11a8e92e63c3
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Filesize
380KB
MD5b1259a88ce10925af0c6d1c40a31829e
SHA18169392a9eb86360263d5a8b241fe47fa7719c9d
SHA2566b9cf72989af9b41d085fecd764f3e4ce04fcf9a68e4703168b26ae5bf0ec833
SHA512af0e1c6df58239b5e0e52b5cc648b3102eee78eaee71dc0a3ae27c54a2d9d5ae23bfac446144a2a28a6c676411f4efa2cf3f4f82e83cfc2775a129e7e795e00f
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Filesize
380KB
MD5b1259a88ce10925af0c6d1c40a31829e
SHA18169392a9eb86360263d5a8b241fe47fa7719c9d
SHA2566b9cf72989af9b41d085fecd764f3e4ce04fcf9a68e4703168b26ae5bf0ec833
SHA512af0e1c6df58239b5e0e52b5cc648b3102eee78eaee71dc0a3ae27c54a2d9d5ae23bfac446144a2a28a6c676411f4efa2cf3f4f82e83cfc2775a129e7e795e00f