Analysis
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max time kernel
143s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 01:33
Static task
static1
Behavioral task
behavioral1
Sample
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe
Resource
win10v2004-20241007-en
General
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Target
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe
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Size
157KB
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MD5
ef6b151670589c2d5251cf8eb37f2ab8
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SHA1
0af04d5b1d2e2f844065c7285f1ef94b18f1a1b4
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SHA256
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28
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SHA512
17a6a49d5b5e4aec38a86fa830c46a1ead78a484469471c19cdc4966aa5c0fe8bf124931ec38ec2567bc159634802589358a2fa06a93ff19ac05ca99373c443e
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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\idnct\gcgjy.dll acprotect -
Deletes itself 1 IoCs
Processes:
emlrb.exepid process 2288 emlrb.exe -
Executes dropped EXE 2 IoCs
Processes:
emlrb.exegcg.exepid process 2288 emlrb.exe 2228 gcg.exe -
Loads dropped DLL 7 IoCs
Processes:
cmd.exeemlrb.exegcg.exepid process 2240 cmd.exe 2240 cmd.exe 2288 emlrb.exe 2228 gcg.exe 2228 gcg.exe 2228 gcg.exe 2228 gcg.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:
gcg.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Linycpy = "c:\\Program Files\\idnct\\gcg.exe \"c:\\Program Files\\idnct\\gcgjy.dll\",SetHandle" gcg.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
gcg.exedescription ioc process File opened (read-only) \??\o: gcg.exe File opened (read-only) \??\r: gcg.exe File opened (read-only) \??\v: gcg.exe File opened (read-only) \??\w: gcg.exe File opened (read-only) \??\z: gcg.exe File opened (read-only) \??\b: gcg.exe File opened (read-only) \??\g: gcg.exe File opened (read-only) \??\h: gcg.exe File opened (read-only) \??\n: gcg.exe File opened (read-only) \??\q: gcg.exe File opened (read-only) \??\u: gcg.exe File opened (read-only) \??\y: gcg.exe File opened (read-only) \??\e: gcg.exe File opened (read-only) \??\i: gcg.exe File opened (read-only) \??\l: gcg.exe File opened (read-only) \??\m: gcg.exe File opened (read-only) \??\p: gcg.exe File opened (read-only) \??\a: gcg.exe File opened (read-only) \??\j: gcg.exe File opened (read-only) \??\k: gcg.exe File opened (read-only) \??\s: gcg.exe File opened (read-only) \??\t: gcg.exe File opened (read-only) \??\x: gcg.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:
gcg.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 gcg.exe -
Drops file in Program Files directory 4 IoCs
Processes:
emlrb.exedescription ioc process File created \??\c:\Program Files\idnct\gcgjy.dll emlrb.exe File created \??\c:\Program Files\idnct\gcg.exe emlrb.exe File opened for modification \??\c:\Program Files\idnct\gcg.exe emlrb.exe File opened for modification \??\c:\Program Files\idnct emlrb.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:
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.execmd.exePING.EXEemlrb.exegcg.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.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 emlrb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gcg.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 2240 cmd.exe 2452 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
gcg.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 gcg.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString gcg.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
gcg.exepid process 2228 gcg.exe 2228 gcg.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
gcg.exedescription pid process Token: SeDebugPrivilege 2228 gcg.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exeemlrb.exepid process 2036 5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe 2288 emlrb.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.execmd.exeemlrb.exedescription pid process target process PID 2036 wrote to memory of 2240 2036 5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe cmd.exe PID 2036 wrote to memory of 2240 2036 5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe cmd.exe PID 2036 wrote to memory of 2240 2036 5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe cmd.exe PID 2036 wrote to memory of 2240 2036 5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe cmd.exe PID 2240 wrote to memory of 2452 2240 cmd.exe PING.EXE PID 2240 wrote to memory of 2452 2240 cmd.exe PING.EXE PID 2240 wrote to memory of 2452 2240 cmd.exe PING.EXE PID 2240 wrote to memory of 2452 2240 cmd.exe PING.EXE PID 2240 wrote to memory of 2288 2240 cmd.exe emlrb.exe PID 2240 wrote to memory of 2288 2240 cmd.exe emlrb.exe PID 2240 wrote to memory of 2288 2240 cmd.exe emlrb.exe PID 2240 wrote to memory of 2288 2240 cmd.exe emlrb.exe PID 2288 wrote to memory of 2228 2288 emlrb.exe gcg.exe PID 2288 wrote to memory of 2228 2288 emlrb.exe gcg.exe PID 2288 wrote to memory of 2228 2288 emlrb.exe gcg.exe PID 2288 wrote to memory of 2228 2288 emlrb.exe gcg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe"C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\emlrb.exe "C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2240 -
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:2452 -
C:\Users\Admin\AppData\Local\Temp\emlrb.exeC:\Users\Admin\AppData\Local\Temp\\emlrb.exe "C:\Users\Admin\AppData\Local\Temp\5d88ac510dab67357818b220283a13fa8eec19200642d154c396274dcbfa1a28.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:2288 -
\??\c:\Program Files\idnct\gcg.exe"c:\Program Files\idnct\gcg.exe" "c:\Program Files\idnct\gcgjy.dll",SetHandle C:\Users\Admin\AppData\Local\Temp\emlrb.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:2228
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
128KB
MD56e600feeb88b0dfd7c63b1eb3c3b5e09
SHA1cbba2a16bd9ee85945d8dd5efac454f16e825cab
SHA25647d3393529961351425d75b04eb5300b3b82e9857c2b50986bc163c9ca48c9fe
SHA512e6f857283805cf08ec99bd74667122f2dd3b94505ebcfbc19ad1cbe6701f798c165ee5b2a3a17b51c337c36046d02b5f0e85523640652dd6ffd607603db37c4e
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
158KB
MD5d4875621d07b4ef02c75397ed79452fb
SHA170ea3feaf6b1d540cb4c47a00705afc03d5cbf83
SHA2566d51502f10e9c2aaa360084782c4e02bff97027a1d4e2bbc9da29d6957288326
SHA512e555009edd3318a3b1c49f5f82fb3f0171cb6a0fec7b0a03d15c7724e9b2925936cbb9c1d050191c20cbf91af5cde3da52b6b4072905b0fccc2c3df27f775397