Analysis
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max time kernel
148s -
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
09-11-2024 19:03
Static task
static1
Behavioral task
behavioral1
Sample
091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe
Resource
win10v2004-20241007-en
General
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Target
091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe
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Size
158KB
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MD5
d95290c7dd02af90af3a1f74e5c22bd3
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SHA1
e8d61b77ac83f82255025e1bddba185ec2aad331
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SHA256
091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b
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SHA512
da18c0960d19a08de5cf996bec1018edbfc122ee68a58bc753a88d9bb6ef62afd857826e55d9f702356ab794418612b909ed55fb0f188cadcccbd97f369916e0
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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\rrvwh\pctou.dll acprotect -
Deletes itself 1 IoCs
Processes:
pegsp.exepid process 700 pegsp.exe -
Executes dropped EXE 2 IoCs
Processes:
pegsp.exepct.exepid process 700 pegsp.exe 1508 pct.exe -
Loads dropped DLL 1 IoCs
Processes:
pct.exepid process 1508 pct.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:
pct.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\rrvwh\\pct.exe \"c:\\Program Files\\rrvwh\\pctou.dll\",SetHandle" pct.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
pct.exedescription ioc process File opened (read-only) \??\i: pct.exe File opened (read-only) \??\k: pct.exe File opened (read-only) \??\l: pct.exe File opened (read-only) \??\t: pct.exe File opened (read-only) \??\u: pct.exe File opened (read-only) \??\v: pct.exe File opened (read-only) \??\y: pct.exe File opened (read-only) \??\h: pct.exe File opened (read-only) \??\z: pct.exe File opened (read-only) \??\j: pct.exe File opened (read-only) \??\n: pct.exe File opened (read-only) \??\p: pct.exe File opened (read-only) \??\x: pct.exe File opened (read-only) \??\g: pct.exe File opened (read-only) \??\r: pct.exe File opened (read-only) \??\s: pct.exe File opened (read-only) \??\e: pct.exe File opened (read-only) \??\b: pct.exe File opened (read-only) \??\m: pct.exe File opened (read-only) \??\o: pct.exe File opened (read-only) \??\q: pct.exe File opened (read-only) \??\w: pct.exe File opened (read-only) \??\a: pct.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:
pct.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 pct.exe -
Drops file in Program Files directory 4 IoCs
Processes:
pegsp.exedescription ioc process File created \??\c:\Program Files\rrvwh\pctou.dll pegsp.exe File created \??\c:\Program Files\rrvwh\pct.exe pegsp.exe File opened for modification \??\c:\Program Files\rrvwh\pct.exe pegsp.exe File opened for modification \??\c:\Program Files\rrvwh pegsp.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:
PING.EXEpegsp.exepct.exe091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.execmd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pegsp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pct.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
PING.EXEcmd.exepid process 1044 PING.EXE 4400 cmd.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
pct.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 pct.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString pct.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
pct.exepid process 1508 pct.exe 1508 pct.exe 1508 pct.exe 1508 pct.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
pct.exedescription pid process Token: SeDebugPrivilege 1508 pct.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exepegsp.exepid process 3828 091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe 700 pegsp.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.execmd.exepegsp.exedescription pid process target process PID 3828 wrote to memory of 4400 3828 091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe cmd.exe PID 3828 wrote to memory of 4400 3828 091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe cmd.exe PID 3828 wrote to memory of 4400 3828 091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe cmd.exe PID 4400 wrote to memory of 1044 4400 cmd.exe PING.EXE PID 4400 wrote to memory of 1044 4400 cmd.exe PING.EXE PID 4400 wrote to memory of 1044 4400 cmd.exe PING.EXE PID 4400 wrote to memory of 700 4400 cmd.exe pegsp.exe PID 4400 wrote to memory of 700 4400 cmd.exe pegsp.exe PID 4400 wrote to memory of 700 4400 cmd.exe pegsp.exe PID 700 wrote to memory of 1508 700 pegsp.exe pct.exe PID 700 wrote to memory of 1508 700 pegsp.exe pct.exe PID 700 wrote to memory of 1508 700 pegsp.exe pct.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe"C:\Users\Admin\AppData\Local\Temp\091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\pegsp.exe "C:\Users\Admin\AppData\Local\Temp\091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4400 -
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:1044 -
C:\Users\Admin\AppData\Local\Temp\pegsp.exeC:\Users\Admin\AppData\Local\Temp\\pegsp.exe "C:\Users\Admin\AppData\Local\Temp\091ee50704e73b1403cad308a62be22601ffd7617b811a68bed852b5d4d00d2b.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:700 -
\??\c:\Program Files\rrvwh\pct.exe"c:\Program Files\rrvwh\pct.exe" "c:\Program Files\rrvwh\pctou.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\pegsp.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:1508
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
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
158KB
MD55343823a7fc80b98e20e3dadb8ca188a
SHA1fcde52140b233520c127c620ec590d4f43aa6d2c
SHA256cacd3a06a89d07b254eca871b55c408f2809973636986ba7fee815f4cf74ae97
SHA5126b08bfcde27330bfd47842fa7b81cd476d0a8037964934da624616ea33fc0908ee3adb2f7c7870e76dca90d4b0cf206b019050a22279fa6288607b7ae39e81ee
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Filesize
128KB
MD56b3293ec8ecdf758147b1a2be34f003c
SHA1eaec12132914c5ee6ebdb6c45fea4f6a8d577c3f
SHA2567f37cb817fca6d12aa91ab1c699b7edf35c8a8c6b369707ee8100a3a41eb1a3a
SHA512e0f1f1c2e9962f4a42959c753d6b0a793b6e3d72e20ffe6cfa77f5d18cb2db0eb698df6723000b7d3d930b33243086dbaafeb246f5ffbc9f80f7612987b67970