Analysis
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max time kernel
112s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
16/02/2023, 09:46
Static task
static1
Behavioral task
behavioral1
Sample
4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe
Resource
win10v2004-20221111-en
General
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Target
4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe
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Size
484KB
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MD5
ca687a1ccf8389d662de07afe5b82f9b
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SHA1
e336c6e32ed99137e83841d823e769387d65bef8
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SHA256
4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614
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SHA512
13b4f885f5998e755bee080a640a160869352693fc9103981b40302fe0cfb94643864863b6ac8d0b8be9640a64ae021fe2cd312bbdac139d2591960325db071f
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SSDEEP
12288:uMrjy90SwLCKPoJgiY73pC6G5uuypICkB1rBGTKbxbF:pycL9o2Nw6EMpIhr4axbF
Malware Config
Extracted
redline
fukia
193.233.20.13:4136
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auth_value
e5783636fbd9e4f0cf9a017bce02e67e
Signatures
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection eMS50XA.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" eMS50XA.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" eMS50XA.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" eMS50XA.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dvS01uh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dvS01uh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dvS01uh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dvS01uh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dvS01uh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dvS01uh.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" eMS50XA.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" eMS50XA.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Executes dropped EXE 4 IoCs
pid Process 4752 nMz18nF27.exe 1120 dvS01uh.exe 4532 eMS50XA.exe 4740 fBq95dg.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" dvS01uh.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features eMS50XA.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" eMS50XA.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 nMz18nF27.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\\\"" nMz18nF27.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.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\\\"" 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.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 1552 4532 WerFault.exe 86 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1120 dvS01uh.exe 1120 dvS01uh.exe 4532 eMS50XA.exe 4532 eMS50XA.exe 4740 fBq95dg.exe 4740 fBq95dg.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1120 dvS01uh.exe Token: SeDebugPrivilege 4532 eMS50XA.exe Token: SeDebugPrivilege 4740 fBq95dg.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4660 wrote to memory of 4752 4660 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe 82 PID 4660 wrote to memory of 4752 4660 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe 82 PID 4660 wrote to memory of 4752 4660 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe 82 PID 4752 wrote to memory of 1120 4752 nMz18nF27.exe 83 PID 4752 wrote to memory of 1120 4752 nMz18nF27.exe 83 PID 4752 wrote to memory of 4532 4752 nMz18nF27.exe 86 PID 4752 wrote to memory of 4532 4752 nMz18nF27.exe 86 PID 4752 wrote to memory of 4532 4752 nMz18nF27.exe 86 PID 4660 wrote to memory of 4740 4660 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe 89 PID 4660 wrote to memory of 4740 4660 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe 89 PID 4660 wrote to memory of 4740 4660 4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe"C:\Users\Admin\AppData\Local\Temp\4a9f1a20679302f1693339bc984efc5c819eec96695ec18cfd60cf1721909614.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nMz18nF27.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dvS01uh.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1120
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eMS50XA.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4532 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 10804⤵
- Program crash
PID:1552
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fBq95dg.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4740
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4532 -ip 45321⤵PID:3764
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2
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Filesize
339KB
MD50e1174fc587f94b110084e038ed1ddfa
SHA16dedaed9242d8e568c0b685ae2a00cc41b514f66
SHA2567f0893769c069e8c74dddf28e8683a045850a127980f78c1858e10a033e230a9
SHA51236de12e4750d96b8bb4dd89d0c3f769eaf482f8007032605209998488465fec16f54b7c4a3436a1a674d4eac51da8d0ace2f243294d58c8367200d2b77043332
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Filesize
339KB
MD50e1174fc587f94b110084e038ed1ddfa
SHA16dedaed9242d8e568c0b685ae2a00cc41b514f66
SHA2567f0893769c069e8c74dddf28e8683a045850a127980f78c1858e10a033e230a9
SHA51236de12e4750d96b8bb4dd89d0c3f769eaf482f8007032605209998488465fec16f54b7c4a3436a1a674d4eac51da8d0ace2f243294d58c8367200d2b77043332
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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
249KB
MD5ab970bf25face7f80c360eb7d19b093c
SHA1919fef0e22047325ee051f47a33ecb55545868ab
SHA256432bc283c6102f32e47118ad8595c1c806cc46c34555cc302f16d2657c0e5373
SHA512cdb97d1a80be862afce2eeed71451c5378ef6616f0152522f565cd23e65b6ec3333853767257a537f7d03c91944eb23729bff294b8250cf70e391a38ce0d411c
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Filesize
249KB
MD5ab970bf25face7f80c360eb7d19b093c
SHA1919fef0e22047325ee051f47a33ecb55545868ab
SHA256432bc283c6102f32e47118ad8595c1c806cc46c34555cc302f16d2657c0e5373
SHA512cdb97d1a80be862afce2eeed71451c5378ef6616f0152522f565cd23e65b6ec3333853767257a537f7d03c91944eb23729bff294b8250cf70e391a38ce0d411c