Analysis
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max time kernel
128s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-11-2024 22:29
Static task
static1
Behavioral task
behavioral1
Sample
43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.exe
Resource
win10v2004-20241007-en
General
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Target
43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.exe
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Size
482KB
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MD5
7a1ee78787a3033a69e2c5b18a14dbdb
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SHA1
f6fb01dac88abb87a71f802535a961dca369f48e
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SHA256
43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1
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SHA512
918a817a63124a5012b41520cd475a6c6618e02ab68cb871fe8f600a0f98d35aec20b4fc1bb9ea9893763fce839ebd5e98be8da2200043e7097684aa885ae341
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SSDEEP
12288:gMrAy90CkqNve8m9qlG/0HDQKaUvp9pec1rPah7Bl4z:wyfdlmQeU7aWprecQiz
Malware Config
Extracted
redline
fukia
193.233.20.13:4136
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auth_value
e5783636fbd9e4f0cf9a017bce02e67e
Signatures
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Detects Healer an antivirus disabler dropper 19 IoCs
resource yara_rule behavioral1/files/0x0008000000023cae-12.dat healer behavioral1/memory/3600-15-0x0000000000C80000-0x0000000000C8A000-memory.dmp healer behavioral1/memory/860-22-0x0000000002520000-0x000000000253A000-memory.dmp healer behavioral1/memory/860-24-0x0000000005210000-0x0000000005228000-memory.dmp healer behavioral1/memory/860-25-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-34-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-52-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-50-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-48-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-46-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-44-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-42-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-40-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-38-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-36-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-32-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-30-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-28-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/860-26-0x0000000005210000-0x0000000005222000-memory.dmp healer -
Healer family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" erk97Lz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" erk97Lz.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dZM16mF.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dZM16mF.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dZM16mF.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection erk97Lz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" erk97Lz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" erk97Lz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dZM16mF.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dZM16mF.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dZM16mF.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" erk97Lz.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
resource yara_rule behavioral1/files/0x0007000000023cac-57.dat family_redline behavioral1/memory/2004-59-0x0000000000CA0000-0x0000000000CD2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 1756 noD22xe81.exe 3600 dZM16mF.exe 860 erk97Lz.exe 2004 fFj59hk.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dZM16mF.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features erk97Lz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" erk97Lz.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process 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\\\"" 43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.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\\\"" noD22xe81.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2056 860 WerFault.exe 94 -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fFj59hk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language noD22xe81.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language erk97Lz.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3600 dZM16mF.exe 3600 dZM16mF.exe 860 erk97Lz.exe 860 erk97Lz.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3600 dZM16mF.exe Token: SeDebugPrivilege 860 erk97Lz.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2060 wrote to memory of 1756 2060 43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.exe 83 PID 2060 wrote to memory of 1756 2060 43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.exe 83 PID 2060 wrote to memory of 1756 2060 43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.exe 83 PID 1756 wrote to memory of 3600 1756 noD22xe81.exe 84 PID 1756 wrote to memory of 3600 1756 noD22xe81.exe 84 PID 1756 wrote to memory of 860 1756 noD22xe81.exe 94 PID 1756 wrote to memory of 860 1756 noD22xe81.exe 94 PID 1756 wrote to memory of 860 1756 noD22xe81.exe 94 PID 2060 wrote to memory of 2004 2060 43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.exe 101 PID 2060 wrote to memory of 2004 2060 43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.exe 101 PID 2060 wrote to memory of 2004 2060 43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.exe"C:\Users\Admin\AppData\Local\Temp\43bd7d4e43b4c3a1fa3564f17202e7db9f0ee8f01f86bde6f857e7a0bb870cd1.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\noD22xe81.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\noD22xe81.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZM16mF.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dZM16mF.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3600
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\erk97Lz.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\erk97Lz.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:860 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 10884⤵
- Program crash
PID:2056
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFj59hk.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fFj59hk.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 860 -ip 8601⤵PID:1124
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2
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Filesize
338KB
MD5226270ed0ab7b286b6173a9a4cfa3eb6
SHA1b17ddae04e915a4755b859465d1d09368b913469
SHA256fea62bbbdcba93a098460f9f44ffda8654765806f85ca63957ff251be24b74cf
SHA512c273838fc9bdcec84b3813290a68809a82594c466d0cb0fb8bda2903c82a897e134d05fdb876b2e4eb2cb186a28d91ef94d23e17524f19dfa9bf1dce5482e41d
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
257KB
MD5e49fa5ba43614c20a6e9a653b500e5bd
SHA1d6d76389cf00507f93509977259ba8c0a9fb599e
SHA25602f7b7bdcf207c8150a02f146d1f6c999cb01bf9097ab0c9afff913b822f2b28
SHA5127db255689df4aab22921ab01c7f7336adea135a06da23d9ad9de2a2db44b8b0547e9279c73dd4ac2cf48aedb8f24c0ac42f81449a4bbf8b15456f08bdd759349