Analysis
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max time kernel
142s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-11-2024 19:03
Static task
static1
Behavioral task
behavioral1
Sample
1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe
Resource
win10v2004-20241007-en
General
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Target
1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe
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Size
158KB
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MD5
e2a98bfcab2a0340857e17c262fd6498
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SHA1
dc53f223dab50dc942a8856df50a1a78b525665b
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SHA256
1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66
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SHA512
6729582dc791b71748755465c86d1219bdd0b4f1ab11f1ecfb912f9b1d72a68bbeda85607bc5a3a2191598480425563de2f9dce399d55f7f4edf1d7e8d20f906
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SSDEEP
3072:oZpYg19EeiLLmjempGuCYooEK1JWaCItULG3rt2Wcora4dI:OPjEl6jLiQ1JW+Oy3p/
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule \??\c:\Program Files\aimdhu\werku.dll acprotect -
Deletes itself 1 IoCs
Processes:
phgklky.exepid process 1788 phgklky.exe -
Executes dropped EXE 2 IoCs
Processes:
phgklky.exewer.exepid process 1788 phgklky.exe 2252 wer.exe -
Loads dropped DLL 7 IoCs
Processes:
cmd.exephgklky.exewer.exepid process 1556 cmd.exe 1556 cmd.exe 1788 phgklky.exe 2252 wer.exe 2252 wer.exe 2252 wer.exe 2252 wer.exe -
Reads user/profile data of web browsers 3 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
Processes:
wer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\aimdhu\\wer.exe \"c:\\Program Files\\aimdhu\\werku.dll\",SetHandle" wer.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
wer.exedescription ioc process File opened (read-only) \??\a: wer.exe File opened (read-only) \??\j: wer.exe File opened (read-only) \??\n: wer.exe File opened (read-only) \??\u: wer.exe File opened (read-only) \??\z: wer.exe File opened (read-only) \??\i: wer.exe File opened (read-only) \??\k: wer.exe File opened (read-only) \??\l: wer.exe File opened (read-only) \??\o: wer.exe File opened (read-only) \??\p: wer.exe File opened (read-only) \??\r: wer.exe File opened (read-only) \??\v: wer.exe File opened (read-only) \??\w: wer.exe File opened (read-only) \??\b: wer.exe File opened (read-only) \??\e: wer.exe File opened (read-only) \??\g: wer.exe File opened (read-only) \??\h: wer.exe File opened (read-only) \??\m: wer.exe File opened (read-only) \??\q: wer.exe File opened (read-only) \??\y: wer.exe File opened (read-only) \??\s: wer.exe File opened (read-only) \??\t: wer.exe File opened (read-only) \??\x: wer.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.
Processes:
wer.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 wer.exe -
Drops file in Program Files directory 4 IoCs
Processes:
phgklky.exedescription ioc process File opened for modification \??\c:\Program Files\aimdhu phgklky.exe File created \??\c:\Program Files\aimdhu\werku.dll phgklky.exe File created \??\c:\Program Files\aimdhu\wer.exe phgklky.exe File opened for modification \??\c:\Program Files\aimdhu\wer.exe phgklky.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.
Processes:
1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.execmd.exePING.EXEphgklky.exewer.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.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 phgklky.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wer.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid process 1556 cmd.exe 2356 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
wer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 wer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString wer.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
wer.exepid process 2252 wer.exe 2252 wer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wer.exedescription pid process Token: SeDebugPrivilege 2252 wer.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exephgklky.exepid process 2556 1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe 1788 phgklky.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.execmd.exephgklky.exedescription pid process target process PID 2556 wrote to memory of 1556 2556 1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe cmd.exe PID 2556 wrote to memory of 1556 2556 1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe cmd.exe PID 2556 wrote to memory of 1556 2556 1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe cmd.exe PID 2556 wrote to memory of 1556 2556 1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe cmd.exe PID 1556 wrote to memory of 2356 1556 cmd.exe PING.EXE PID 1556 wrote to memory of 2356 1556 cmd.exe PING.EXE PID 1556 wrote to memory of 2356 1556 cmd.exe PING.EXE PID 1556 wrote to memory of 2356 1556 cmd.exe PING.EXE PID 1556 wrote to memory of 1788 1556 cmd.exe phgklky.exe PID 1556 wrote to memory of 1788 1556 cmd.exe phgklky.exe PID 1556 wrote to memory of 1788 1556 cmd.exe phgklky.exe PID 1556 wrote to memory of 1788 1556 cmd.exe phgklky.exe PID 1788 wrote to memory of 2252 1788 phgklky.exe wer.exe PID 1788 wrote to memory of 2252 1788 phgklky.exe wer.exe PID 1788 wrote to memory of 2252 1788 phgklky.exe wer.exe PID 1788 wrote to memory of 2252 1788 phgklky.exe wer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe"C:\Users\Admin\AppData\Local\Temp\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\phgklky.exe "C:\Users\Admin\AppData\Local\Temp\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1556 -
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:2356 -
C:\Users\Admin\AppData\Local\Temp\phgklky.exeC:\Users\Admin\AppData\Local\Temp\\phgklky.exe "C:\Users\Admin\AppData\Local\Temp\1f887796678784eba74b5451e5419f77b3c85b17dbd3ef7502693ed65cea4d66.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:1788 -
\??\c:\Program Files\aimdhu\wer.exe"c:\Program Files\aimdhu\wer.exe" "c:\Program Files\aimdhu\werku.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\phgklky.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:2252
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
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
128KB
MD51301b7cd37bc1718574a3d827666af8e
SHA10394441df4fa5f39a80654876cd725bf4d159902
SHA2569d8f87db0605d0f32400b0deee9a908a677ef760c6044cf5fa094011d9754596
SHA51244494bad3ece01169b94fe724dc8b91ed857e6bd7c9b90c04140d6c5a65f5b8036bc8debf6ea3c7bbf971fcbdc3db36cb4e3dbbe4f1a741726befd07896cca53
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
158KB
MD551d5106deb27cf2a4eb2961e772ea1b1
SHA1ebb55feea84005aea09c46c390cc9f82ceb44f7e
SHA25689cafb0868f11be74a10f87cbbaa402c4e46cf07a5992d09ecd11abbe7c90fd6
SHA512c8d82265877e1d1743fc60dc351fe49aadb234c51566c81711574ee2860b1635bc0e60c60dd47636ad404000809ed52a8ff20dcf708188eecffb308c72b5e01c