Analysis
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max time kernel
145s -
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
07-11-2024 03:33
Static task
static1
Behavioral task
behavioral1
Sample
b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.exe
Resource
win10v2004-20241007-en
General
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Target
b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.exe
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Size
809KB
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MD5
18d678677b191caa112085fa670b0ee3
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SHA1
6c9e3bd43ef0e7c3cff9501c599e51ad412eb3f0
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SHA256
b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6
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SHA512
4d0194076faf30ed46f8dbcee122cde475542353e0be494175b76741cb739e3981c207b8c2c843c69940983413f635942cd11380f73fd9b289ec44805f285da6
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SSDEEP
24576:hy3Oz/jfMzD7dVBemYq6JzRv3/HbyYfLqP6:U3O0zD7QmrkzRHHmYLq
Malware Config
Extracted
redline
lada
185.161.248.90:4125
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auth_value
0b3678897547fedafe314eda5a2015ba
Extracted
redline
diza
185.161.248.90:4125
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auth_value
0d09b419c8bc967f91c68be4a17e92ee
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
resource yara_rule behavioral1/memory/3852-19-0x0000000004AF0000-0x0000000004B0A000-memory.dmp healer behavioral1/memory/3852-21-0x0000000004B80000-0x0000000004B98000-memory.dmp healer behavioral1/memory/3852-29-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-49-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-47-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-45-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-43-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-41-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-39-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-37-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-35-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-33-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-31-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-27-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-25-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-23-0x0000000004B80000-0x0000000004B92000-memory.dmp healer behavioral1/memory/3852-22-0x0000000004B80000-0x0000000004B92000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pr134936.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pr134936.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pr134936.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pr134936.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pr134936.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pr134936.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 5 IoCs
resource yara_rule behavioral1/memory/2432-2205-0x0000000004BD0000-0x0000000004C02000-memory.dmp family_redline behavioral1/files/0x0011000000023b74-2210.dat family_redline behavioral1/memory/3076-2218-0x00000000001F0000-0x000000000021E000-memory.dmp family_redline behavioral1/files/0x0007000000023cb5-2226.dat family_redline behavioral1/memory/2964-2229-0x00000000003B0000-0x00000000003E0000-memory.dmp family_redline -
Redline family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation qu817579.exe -
Executes dropped EXE 5 IoCs
pid Process 1412 un084875.exe 3852 pr134936.exe 2432 qu817579.exe 3076 1.exe 2964 si259575.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pr134936.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pr134936.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\\\"" b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.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\\\"" un084875.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 4612 3852 WerFault.exe 84 216 2432 WerFault.exe 100 -
System Location Discovery: System Language Discovery 1 TTPs 6 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 qu817579.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language si259575.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language un084875.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pr134936.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3852 pr134936.exe 3852 pr134936.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3852 pr134936.exe Token: SeDebugPrivilege 2432 qu817579.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4944 wrote to memory of 1412 4944 b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.exe 83 PID 4944 wrote to memory of 1412 4944 b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.exe 83 PID 4944 wrote to memory of 1412 4944 b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.exe 83 PID 1412 wrote to memory of 3852 1412 un084875.exe 84 PID 1412 wrote to memory of 3852 1412 un084875.exe 84 PID 1412 wrote to memory of 3852 1412 un084875.exe 84 PID 1412 wrote to memory of 2432 1412 un084875.exe 100 PID 1412 wrote to memory of 2432 1412 un084875.exe 100 PID 1412 wrote to memory of 2432 1412 un084875.exe 100 PID 2432 wrote to memory of 3076 2432 qu817579.exe 101 PID 2432 wrote to memory of 3076 2432 qu817579.exe 101 PID 2432 wrote to memory of 3076 2432 qu817579.exe 101 PID 4944 wrote to memory of 2964 4944 b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.exe 104 PID 4944 wrote to memory of 2964 4944 b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.exe 104 PID 4944 wrote to memory of 2964 4944 b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.exe"C:\Users\Admin\AppData\Local\Temp\b99733e09acfed27e30034a5b9cc51bd556b908cbf9a38a4c59c41f54500f4d6.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un084875.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un084875.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1412 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr134936.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr134936.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:3852 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3852 -s 10844⤵
- Program crash
PID:4612
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu817579.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu817579.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 13844⤵
- Program crash
PID:216
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si259575.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si259575.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2964
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3852 -ip 38521⤵PID:2408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2432 -ip 24321⤵PID:5000
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
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
168KB
MD5c52ebada00a59ec1f651a0e9fbcef2eb
SHA1e1941278df76616f1ca3202ef2a9f99d2592d52f
SHA25635d5cff482e78c0137b3c51556d1e14aab0f38921ebfe46abc979a826301d28e
SHA5126b11124fa6cfa1d2fdb8b6a4cc237b4a65ecbeb1797179568dcef378041ce05bdf0af9b6434cc0b3feb2479112d003b0fa5c0d2178c73bc65d35f5c2cfb36be2
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Filesize
655KB
MD5535d5b0bceb302a72591455611f71137
SHA17dd9d4a4c28e1e11f110f314f9fcd19242b363f0
SHA256aa644da5a56f553eedf4c3c713a03d083238cfb4fd41aa32bc16dc5c943fa33e
SHA512ce40a50481cc946f3ec8d1099ad75dd29b4ad40d9103160bc0fd792ffbb9f289e480bfe139f026e65e32b86565c67c9ac3c2aa9a5395dc57e318a308a108f26e
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Filesize
254KB
MD5068edb3c287c076323d6141471780648
SHA11f8c509279b69dc825460f0b16d2c30add778170
SHA256e1071b026c7d9cf0606e7f811f63f657ca4b73cfa5095248a3935e8f0c16ff3d
SHA512954dc7a1dc055b253aec73d8f3a5fb7092448695e1fddf745bade82f03f03fcbeb26a54d768d557c495ed7d13bf7990fa99e36681dc97359a4b595fdd2bcfeab
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Filesize
438KB
MD5bca9463f765947928eb895627746cd34
SHA1cdabf13b674ae3bfdf24768b8c61510c8867a3e2
SHA2560651ae92009eb6076d1d608b3f9eee412b2215c82492b0362724cddff4550c97
SHA5129f266763ecfb0efa1f259bbd5e8a204eee5b6890bbc8c5fbfeebfb388db38905e0f64d90a50d5b93a6056233f8f3c9a11bd482c01c84504b334961f85f14d8d3
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Filesize
168KB
MD503728fed675bcde5256342183b1d6f27
SHA1d13eace7d3d92f93756504b274777cc269b222a2
SHA256f1181356c69b3dcebadc67d4c751d01164c929eab2b250b83cdedeedd4cd5ef0
SHA5126e2800d2d4e7dcbcbe1842d78029b75d2faa742c8fd7925ae2486396c3dd8c0b8f66e760f3916e42631cde41c0606c48528a4cb779f124b8d28c7af9197c18d1