Analysis
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max time kernel
147s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
11-08-2024 02:53
Static task
static1
Behavioral task
behavioral1
Sample
d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe
Resource
win10v2004-20240802-en
General
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Target
d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe
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Size
258KB
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MD5
db21558922a70ca44b73bab04a6ae8e8
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SHA1
82d34b70aa58e6a0ac5794b3e9d1af08c6f3a9ac
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SHA256
d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912
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SHA512
0e04bdabc7b26206f5f0e8733156441008e390059b124495a94d5c35a5e0d4964ba10bd6113338609d6bef78fbf139dc83769ce49ca4799380051f2f820408b0
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SSDEEP
6144:iyHJ4wTB5Ia9p+S0dSpTU+h/zquE1j57Lu6Bwc772:ig4wTvoS05kzNEj7Lu6n
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2700 ylvmq.exe -
Executes dropped EXE 2 IoCs
pid Process 2700 ylvmq.exe 2864 evroawpr.exe -
Loads dropped DLL 7 IoCs
pid Process 2684 cmd.exe 2684 cmd.exe 2700 ylvmq.exe 2864 evroawpr.exe 2864 evroawpr.exe 2864 evroawpr.exe 2864 evroawpr.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\hzmcr\\evroawpr.exe \"c:\\Program Files\\hzmcr\\evroawpr.dll\",Compliance" evroawpr.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\a: evroawpr.exe File opened (read-only) \??\g: evroawpr.exe File opened (read-only) \??\i: evroawpr.exe File opened (read-only) \??\u: evroawpr.exe File opened (read-only) \??\v: evroawpr.exe File opened (read-only) \??\b: evroawpr.exe File opened (read-only) \??\n: evroawpr.exe File opened (read-only) \??\p: evroawpr.exe File opened (read-only) \??\q: evroawpr.exe File opened (read-only) \??\r: evroawpr.exe File opened (read-only) \??\t: evroawpr.exe File opened (read-only) \??\x: evroawpr.exe File opened (read-only) \??\y: evroawpr.exe File opened (read-only) \??\z: evroawpr.exe File opened (read-only) \??\h: evroawpr.exe File opened (read-only) \??\j: evroawpr.exe File opened (read-only) \??\k: evroawpr.exe File opened (read-only) \??\l: evroawpr.exe File opened (read-only) \??\s: evroawpr.exe File opened (read-only) \??\e: evroawpr.exe File opened (read-only) \??\m: evroawpr.exe File opened (read-only) \??\o: evroawpr.exe File opened (read-only) \??\w: evroawpr.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 evroawpr.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File created \??\c:\Program Files\hzmcr\evroawpr.dll ylvmq.exe File created \??\c:\Program Files\hzmcr\evroawpr.exe ylvmq.exe File opened for modification \??\c:\Program Files\hzmcr\evroawpr.exe ylvmq.exe File opened for modification \??\c:\Program Files\hzmcr ylvmq.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 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 ylvmq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language evroawpr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2684 cmd.exe 2780 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 evroawpr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString evroawpr.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2780 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2864 evroawpr.exe 2864 evroawpr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2864 evroawpr.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1848 d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe 2700 ylvmq.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1848 wrote to memory of 2684 1848 d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe 31 PID 1848 wrote to memory of 2684 1848 d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe 31 PID 1848 wrote to memory of 2684 1848 d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe 31 PID 1848 wrote to memory of 2684 1848 d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe 31 PID 2684 wrote to memory of 2780 2684 cmd.exe 33 PID 2684 wrote to memory of 2780 2684 cmd.exe 33 PID 2684 wrote to memory of 2780 2684 cmd.exe 33 PID 2684 wrote to memory of 2780 2684 cmd.exe 33 PID 2684 wrote to memory of 2700 2684 cmd.exe 34 PID 2684 wrote to memory of 2700 2684 cmd.exe 34 PID 2684 wrote to memory of 2700 2684 cmd.exe 34 PID 2684 wrote to memory of 2700 2684 cmd.exe 34 PID 2700 wrote to memory of 2864 2700 ylvmq.exe 35 PID 2700 wrote to memory of 2864 2700 ylvmq.exe 35 PID 2700 wrote to memory of 2864 2700 ylvmq.exe 35 PID 2700 wrote to memory of 2864 2700 ylvmq.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe"C:\Users\Admin\AppData\Local\Temp\d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ylvmq.exe "C:\Users\Admin\AppData\Local\Temp\d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2780
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C:\Users\Admin\AppData\Local\Temp\ylvmq.exeC:\Users\Admin\AppData\Local\Temp\\ylvmq.exe "C:\Users\Admin\AppData\Local\Temp\d66e7b23bc909447e0e5e52c85c60ee62bb785419c5b66bcb04da9a53402f912.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2700 -
\??\c:\Program Files\hzmcr\evroawpr.exe"c:\Program Files\hzmcr\evroawpr.exe" "c:\Program Files\hzmcr\evroawpr.dll",Compliance C:\Users\Admin\AppData\Local\Temp\ylvmq.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2864
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
179KB
MD57c0a2e12422f4e6c0570e5dc70e95f69
SHA172c34c7442859fd3ebc4c3f268ae8d32bd3f383a
SHA256bcfac9fa803644344cee008df9539c5c49125bc032d3296508670d1ec39162d6
SHA512072b80e1f93099f3e462545332e6a109ae7ffc3774872bf791fe7bc9c2a9245dbd2f5be9fff8ba253f6bba6d003829a834a078e980009a774965155923ed2c07
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
258KB
MD5461d118f2e17b56eb816325aeee46848
SHA12dba3081a64f8c1c22d2619ce87192e30ac4254e
SHA256fa20c92ac5b18c5d89393842cf11818028f652153a71686fad1fb6f4e344e65b
SHA512c345e81ef19e532b1a42576a3d8938c88fe01f154e45e76676972ff865a9dab37b72ff64b08d95b32ad5e6b76d702532518ef76469e14d2520b9ae3c0f3cf956