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Analysis
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max time kernel
118s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
27/07/2024, 05:40
Static task
static1
Behavioral task
behavioral1
Sample
9abedfec687db7a9273e5e9157af74e0N.exe
Resource
win7-20240705-en
General
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Target
9abedfec687db7a9273e5e9157af74e0N.exe
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Size
81KB
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MD5
9abedfec687db7a9273e5e9157af74e0
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SHA1
1d79bd8bef8703f1f3b3031d83cb50a23964133e
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SHA256
95ffed6888dde882a053f5498ad9d4f0feb1b49bfc22ce934c3c76593f1e514d
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SHA512
c9bb28a50aaecef0f2e010216591d9771a2c6689b6a8c40a43e7e52b2385961ab229e7eeda180411cde289dac83e69a77923f8c27a87b7af77319b140da71ceb
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SSDEEP
1536:6LxJJlguY/NbvWU2VkWlVvtlqDyKJR40AEEot:cc/R+U23vtlPR0pN
Malware Config
Signatures
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Blocklisted process makes network request 7 IoCs
flow pid Process 21 4460 rundll32.exe 40 4460 rundll32.exe 42 4460 rundll32.exe 43 4460 rundll32.exe 44 4460 rundll32.exe 47 4460 rundll32.exe 56 4460 rundll32.exe -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x00070000000234b6-11.dat acprotect -
Deletes itself 1 IoCs
pid Process 4416 whayr.exe -
Executes dropped EXE 1 IoCs
pid Process 4416 whayr.exe -
Loads dropped DLL 1 IoCs
pid Process 4460 rundll32.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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resource yara_rule behavioral2/files/0x00070000000234b6-11.dat upx behavioral2/memory/4460-13-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/4460-14-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/4460-16-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/4460-17-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/4460-18-0x0000000010000000-0x0000000010024000-memory.dmp upx behavioral2/memory/4460-25-0x0000000010000000-0x0000000010024000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\pkmop\\aeoxsoe.dll\",init" rundll32.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) \??\r: rundll32.exe File opened (read-only) \??\v: rundll32.exe File opened (read-only) \??\b: rundll32.exe File opened (read-only) \??\g: rundll32.exe File opened (read-only) \??\h: rundll32.exe File opened (read-only) \??\j: rundll32.exe File opened (read-only) \??\o: rundll32.exe File opened (read-only) \??\q: rundll32.exe File opened (read-only) \??\y: rundll32.exe File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\t: rundll32.exe File opened (read-only) \??\u: rundll32.exe File opened (read-only) \??\x: rundll32.exe File opened (read-only) \??\z: rundll32.exe File opened (read-only) \??\p: rundll32.exe File opened (read-only) \??\s: rundll32.exe File opened (read-only) \??\e: rundll32.exe File opened (read-only) \??\i: rundll32.exe File opened (read-only) \??\k: rundll32.exe File opened (read-only) \??\l: rundll32.exe File opened (read-only) \??\m: rundll32.exe File opened (read-only) \??\n: rundll32.exe File opened (read-only) \??\w: rundll32.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 rundll32.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 9abedfec687db7a9273e5e9157af74e0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language whayr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1004 cmd.exe 2036 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 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2036 PING.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4460 rundll32.exe 4460 rundll32.exe 4460 rundll32.exe 4460 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4460 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4536 9abedfec687db7a9273e5e9157af74e0N.exe 4416 whayr.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4536 wrote to memory of 1004 4536 9abedfec687db7a9273e5e9157af74e0N.exe 87 PID 4536 wrote to memory of 1004 4536 9abedfec687db7a9273e5e9157af74e0N.exe 87 PID 4536 wrote to memory of 1004 4536 9abedfec687db7a9273e5e9157af74e0N.exe 87 PID 1004 wrote to memory of 2036 1004 cmd.exe 89 PID 1004 wrote to memory of 2036 1004 cmd.exe 89 PID 1004 wrote to memory of 2036 1004 cmd.exe 89 PID 1004 wrote to memory of 4416 1004 cmd.exe 90 PID 1004 wrote to memory of 4416 1004 cmd.exe 90 PID 1004 wrote to memory of 4416 1004 cmd.exe 90 PID 4416 wrote to memory of 4460 4416 whayr.exe 91 PID 4416 wrote to memory of 4460 4416 whayr.exe 91 PID 4416 wrote to memory of 4460 4416 whayr.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe"C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4536 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&c:\whayr.exe "C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1004 -
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:2036
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\??\c:\whayr.exec:\whayr.exe "C:\Users\Admin\AppData\Local\Temp\9abedfec687db7a9273e5e9157af74e0N.exe"3⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4416 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\pkmop\aeoxsoe.dll",init c:\whayr.exe4⤵
- Blocklisted process makes network request
- 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:4460
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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
81KB
MD5a92737123ae7c0536d64ada0bdd68567
SHA145c1efa9fca1bd7f9742e6f1b0bf1d74c382fe96
SHA25689683b3f16d67e3f6e2f53135aeadb6e6ef581e54cd222b04863b0f1ee24348e
SHA5124e825f14fc85a21881e2a04ea7c4d4fee175dbac6bf5669d87cabd33603deb41faa3685e25a2172669878a3b56927374c0a5399967d55cc79d3d675d33fa09a6
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Filesize
46KB
MD542fe886bcb6460f7c2a46e21ecac5da6
SHA17d9a1c9fe17121cf61444da965f29e974a95ede2
SHA256b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e
SHA5123d1a7dc1d9ca8a4376302ba20df584ad59b98e0d3b18b06b22d7f5a455833ce124e412fc1922a3b704dcbafa31987cda3115c9a71dd6299683502cebae33567c