Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15/10/2024, 22:29
Static task
static1
Behavioral task
behavioral1
Sample
d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe
Resource
win10v2004-20241007-en
General
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Target
d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe
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Size
199KB
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MD5
9c1e01d13bc902cde06fa61d91584923
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SHA1
241c6da2a39a45304e19f85295a398d6c2fb1d08
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SHA256
d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760
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SHA512
8af4ce80a2463f8131eb7c95e26150c9e5cafbad7b086db4ffcb892ad71a508cdf5cab81f7e8c0d0dce375a17152fb2d9035ab0e5284d3a9f65824ff4378a44d
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SSDEEP
3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1500 mijxxcfq.exe -
Executes dropped EXE 2 IoCs
pid Process 1500 mijxxcfq.exe 892 ocm.exe -
Loads dropped DLL 1 IoCs
pid Process 892 ocm.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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\xrskp\\ocm.exe \"c:\\Program Files\\xrskp\\ocmfw.dll\",Compliance" ocm.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) \??\e: ocm.exe File opened (read-only) \??\l: ocm.exe File opened (read-only) \??\s: ocm.exe File opened (read-only) \??\g: ocm.exe File opened (read-only) \??\m: ocm.exe File opened (read-only) \??\p: ocm.exe File opened (read-only) \??\q: ocm.exe File opened (read-only) \??\u: ocm.exe File opened (read-only) \??\v: ocm.exe File opened (read-only) \??\r: ocm.exe File opened (read-only) \??\w: ocm.exe File opened (read-only) \??\a: ocm.exe File opened (read-only) \??\b: ocm.exe File opened (read-only) \??\h: ocm.exe File opened (read-only) \??\i: ocm.exe File opened (read-only) \??\j: ocm.exe File opened (read-only) \??\n: ocm.exe File opened (read-only) \??\x: ocm.exe File opened (read-only) \??\z: ocm.exe File opened (read-only) \??\k: ocm.exe File opened (read-only) \??\o: ocm.exe File opened (read-only) \??\t: ocm.exe File opened (read-only) \??\y: ocm.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 ocm.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification \??\c:\Program Files\xrskp mijxxcfq.exe File created \??\c:\Program Files\xrskp\ocmfw.dll mijxxcfq.exe File created \??\c:\Program Files\xrskp\ocm.exe mijxxcfq.exe File opened for modification \??\c:\Program Files\xrskp\ocm.exe mijxxcfq.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 d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.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 mijxxcfq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ocm.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4240 cmd.exe 1416 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 ocm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ocm.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1416 PING.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 892 ocm.exe 892 ocm.exe 892 ocm.exe 892 ocm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 892 ocm.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3004 d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe 1500 mijxxcfq.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3004 wrote to memory of 4240 3004 d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe 86 PID 3004 wrote to memory of 4240 3004 d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe 86 PID 3004 wrote to memory of 4240 3004 d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe 86 PID 4240 wrote to memory of 1416 4240 cmd.exe 89 PID 4240 wrote to memory of 1416 4240 cmd.exe 89 PID 4240 wrote to memory of 1416 4240 cmd.exe 89 PID 4240 wrote to memory of 1500 4240 cmd.exe 90 PID 4240 wrote to memory of 1500 4240 cmd.exe 90 PID 4240 wrote to memory of 1500 4240 cmd.exe 90 PID 1500 wrote to memory of 892 1500 mijxxcfq.exe 91 PID 1500 wrote to memory of 892 1500 mijxxcfq.exe 91 PID 1500 wrote to memory of 892 1500 mijxxcfq.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe"C:\Users\Admin\AppData\Local\Temp\d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\mijxxcfq.exe "C:\Users\Admin\AppData\Local\Temp\d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4240 -
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:1416
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C:\Users\Admin\AppData\Local\Temp\mijxxcfq.exeC:\Users\Admin\AppData\Local\Temp\\mijxxcfq.exe "C:\Users\Admin\AppData\Local\Temp\d9ecde38b017cca00945ba2458a4dbb75eb84ac62dd7f2eea661e7e1ba9c1760.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:1500 -
\??\c:\Program Files\xrskp\ocm.exe"c:\Program Files\xrskp\ocm.exe" "c:\Program Files\xrskp\ocmfw.dll",Compliance C:\Users\Admin\AppData\Local\Temp\mijxxcfq.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:892
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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
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
199KB
MD5ab53816f91ab6eea0f85ef6466cdc669
SHA1da4e0c9579b2fe4ee94b7749feb33d6bdfbb91c8
SHA256785287cc1252a42c05ffa330fc717d58730adaeb66a042a29bbf1a6a336d7ab2
SHA5129d0061b7c7dec799fb48cf1cda83f16c60f103775dd5dcc2cfe27981dcc95dfa670b7cf553e67cfe850af6aa05b5b01cde7b10df3794cefce21fe8455d8450ec
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Filesize
141KB
MD5610e88089e9fbd5a3ee0f1e1ceb8d565
SHA103d53d53cc06aaf052a43621f78a59cfb5eea91e
SHA256f24a33cfc686ccc4645e7cffeb12e85b8523fa23505ee9953ad12f1c91f71a8d
SHA512ea58c98e6062b4ba7ddee8f4cff2c3ad40eb8d12c2e7037e69ff8cf10af5c00b77b5b85707c21b2a73f728905a8b6d717442527400e0ab27b4a9f0d5a8fd1b76