Analysis
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max time kernel
142s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
08/03/2025, 08:35
Static task
static1
Behavioral task
behavioral1
Sample
699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe
Resource
win7-20240903-en
General
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Target
699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe
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Size
207KB
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MD5
3181b42d5f7f125bbb51d06f58dd0fe5
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SHA1
828da6789f7b7998afd87069ad7d75ad67ddaf07
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SHA256
699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54
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SHA512
2ce042fe30a9e9e918ff3384700f60e86c1abdb82635b859ace86fadc68b923dfb3905959382b5eff114960bd07498741b724672978e01dfa27e8a890f371788
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SSDEEP
3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTF:X2vnSwjaOcADw9cUeCOf
Malware Config
Extracted
gh0strat
107.163.241.193:6520
http://107.163.241.181:16300/
http://107.163.241.182:12354/login.php
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user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C))
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)
Signatures
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Gh0strat family
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Deletes itself 1 IoCs
pid Process 1608 omuxbdx.exe -
Executes dropped EXE 2 IoCs
pid Process 1608 omuxbdx.exe 216 jamzccsq.exe -
Loads dropped DLL 1 IoCs
pid Process 216 jamzccsq.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-1-5-21-22591836-1183090055-1220658180-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\csnca\\jamzccsq.exe \"c:\\Program Files\\csnca\\jamzccsq.dll\",Compliance" jamzccsq.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) \??\l: jamzccsq.exe File opened (read-only) \??\o: jamzccsq.exe File opened (read-only) \??\r: jamzccsq.exe File opened (read-only) \??\t: jamzccsq.exe File opened (read-only) \??\a: jamzccsq.exe File opened (read-only) \??\i: jamzccsq.exe File opened (read-only) \??\v: jamzccsq.exe File opened (read-only) \??\w: jamzccsq.exe File opened (read-only) \??\x: jamzccsq.exe File opened (read-only) \??\z: jamzccsq.exe File opened (read-only) \??\h: jamzccsq.exe File opened (read-only) \??\k: jamzccsq.exe File opened (read-only) \??\m: jamzccsq.exe File opened (read-only) \??\n: jamzccsq.exe File opened (read-only) \??\u: jamzccsq.exe File opened (read-only) \??\y: jamzccsq.exe File opened (read-only) \??\b: jamzccsq.exe File opened (read-only) \??\e: jamzccsq.exe File opened (read-only) \??\g: jamzccsq.exe File opened (read-only) \??\j: jamzccsq.exe File opened (read-only) \??\p: jamzccsq.exe File opened (read-only) \??\q: jamzccsq.exe File opened (read-only) \??\s: jamzccsq.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 jamzccsq.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File created \??\c:\Program Files\csnca\jamzccsq.dll omuxbdx.exe File created \??\c:\Program Files\csnca\jamzccsq.exe omuxbdx.exe File opened for modification \??\c:\Program Files\csnca\jamzccsq.exe omuxbdx.exe File opened for modification \??\c:\Program Files\csnca omuxbdx.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 699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.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 omuxbdx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jamzccsq.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 8 cmd.exe 1988 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 jamzccsq.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString jamzccsq.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1988 PING.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 216 jamzccsq.exe 216 jamzccsq.exe 216 jamzccsq.exe 216 jamzccsq.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 216 jamzccsq.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3092 699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe 1608 omuxbdx.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3092 wrote to memory of 8 3092 699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe 85 PID 3092 wrote to memory of 8 3092 699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe 85 PID 3092 wrote to memory of 8 3092 699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe 85 PID 8 wrote to memory of 1988 8 cmd.exe 87 PID 8 wrote to memory of 1988 8 cmd.exe 87 PID 8 wrote to memory of 1988 8 cmd.exe 87 PID 8 wrote to memory of 1608 8 cmd.exe 90 PID 8 wrote to memory of 1608 8 cmd.exe 90 PID 8 wrote to memory of 1608 8 cmd.exe 90 PID 1608 wrote to memory of 216 1608 omuxbdx.exe 91 PID 1608 wrote to memory of 216 1608 omuxbdx.exe 91 PID 1608 wrote to memory of 216 1608 omuxbdx.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe"C:\Users\Admin\AppData\Local\Temp\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3092 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\omuxbdx.exe "C:\Users\Admin\AppData\Local\Temp\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:8 -
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:1988
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C:\Users\Admin\AppData\Local\Temp\omuxbdx.exeC:\Users\Admin\AppData\Local\Temp\\omuxbdx.exe "C:\Users\Admin\AppData\Local\Temp\699b67efd01dbac912ace418d65c6336cda33f6ee81b65bd15aae52d27159a54.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:1608 -
\??\c:\Program Files\csnca\jamzccsq.exe"c:\Program Files\csnca\jamzccsq.exe" "c:\Program Files\csnca\jamzccsq.dll",Compliance C:\Users\Admin\AppData\Local\Temp\omuxbdx.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:216
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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
Loading Replay Monitor...
Downloads
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
207KB
MD53744900dbebc61ba001f20bc8276321b
SHA10b4c904582f9c5a565b516ac3fc0dce46dec65dc
SHA25605843a9bb087f41413d897e4fba7f38955cb2be66212323c869fe023179dfe26
SHA51263b65446033b44d609f8daaf7dd670c75ff1ea1073351faafcec37b81c5fe6136651d6e08859f3628b46663c8a26dc721a1732b375ba162c1fd788e33c18e587
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Filesize
141KB
MD5698c0578a56c6d8cc03216307be5af46
SHA106c5e143f82e1d044399bf977b16cf4dd1aed01a
SHA256ed7cf6aca1f7b863d009fbc8d5747816903d005781bc2a4abef955aaa295699f
SHA51293ca8a15b3e063fcd66d8204040f85e6a530dc9e91157f1f0e877afe8976e29fc16a60d0c678e77cf693ff3b5ce848d61d409be2766fb98b2fa0773cee917ec6