Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
21/03/2024, 02:51
General
- Target 3169bb8ae4a4c129c9aae5f4d9fa357f.exe
- Size 453KB
- Sample240321-db6awsab94
- SHA256 00fed3aba0f9581ef2b3df7e140a5008e3f62b56b5f6feb4519032067fda0c5f
Malware Config
Signatures
- Detect ZGRat V1 3 IoCs
- Stealc
Stealc is an infostealer written in C++.
- ZGRat
ZGRat is remote access trojan written in C#.
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3169bb8ae4a4c129c9aae5f4d9fa357f.exe"C:\Users\Admin\AppData\Local\Temp\3169bb8ae4a4c129c9aae5f4d9fa357f.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u1yk.0.exe"C:\Users\Admin\AppData\Local\Temp\u1yk.0.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\DGIJEGHDAE.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DGIJEGHDAE.exe"C:\Users\Admin\AppData\Local\Temp\DGIJEGHDAE.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\DGIJEGHDAE.exe5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\u1yk.1.exe"C:\Users\Admin\AppData\Local\Temp\u1yk.1.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 16282⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2540 -ip 25401⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
DGIJEGHDAE.exe
u1yk.0.exe
u1yk.1.exe
u1yk.1.exe
memory/1116-92-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1116-55-0x00000000026A0000-0x00000000026A1000-memory.dmp
memory/1116-104-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/1368-116-0x000001BED5F10000-0x000001BED5F8A000-memory.dmp
memory/1368-127-0x000001BEDA830000-0x000001BEDA868000-memory.dmp
memory/1368-157-0x000001BED5DA0000-0x000001BED5DB0000-memory.dmp
memory/1368-148-0x000001BED5DA0000-0x000001BED5DB0000-memory.dmp
memory/1368-147-0x000001BED5DA0000-0x000001BED5DB0000-memory.dmp
memory/1368-145-0x000001BED5DA0000-0x000001BED5DB0000-memory.dmp
memory/1368-105-0x00007FFC66780000-0x00007FFC67241000-memory.dmp
memory/1368-106-0x000001BEB7EA0000-0x000001BEBB772000-memory.dmp
memory/1368-107-0x000001BED5DA0000-0x000001BED5DB0000-memory.dmp
memory/1368-108-0x000001BED6090000-0x000001BED619E000-memory.dmp
memory/1368-110-0x000001BEBD520000-0x000001BEBD52C000-memory.dmp
memory/1368-109-0x000001BEBD500000-0x000001BEBD510000-memory.dmp
memory/1368-111-0x000001BEBD510000-0x000001BEBD524000-memory.dmp
memory/1368-112-0x000001BED5D40000-0x000001BED5D64000-memory.dmp
memory/1368-113-0x000001BED5D60000-0x000001BED5D6A000-memory.dmp
memory/1368-115-0x000001BED62E0000-0x000001BED6392000-memory.dmp
memory/1368-118-0x000001BED6470000-0x000001BED64E6000-memory.dmp
memory/1368-117-0x000001BED6390000-0x000001BED63F2000-memory.dmp
memory/1368-119-0x000001BED5D70000-0x000001BED5D7A000-memory.dmp
memory/1368-123-0x000001BED64F0000-0x000001BED67F0000-memory.dmp
memory/1368-144-0x00007FFC66780000-0x00007FFC67241000-memory.dmp
memory/1368-114-0x000001BED5EE0000-0x000001BED5F0A000-memory.dmp
memory/1368-141-0x000001BEDB7C0000-0x000001BEDB7DE000-memory.dmp
memory/1368-126-0x000001BEDA8B0000-0x000001BEDA8B8000-memory.dmp
memory/1368-128-0x000001BEDA800000-0x000001BEDA80E000-memory.dmp
memory/1368-140-0x000001BEDB790000-0x000001BEDB7B2000-memory.dmp
memory/1368-130-0x000001BEDB950000-0x000001BEDB95A000-memory.dmp
memory/1368-131-0x000001BEDB6D0000-0x000001BEDB6F2000-memory.dmp
memory/1368-135-0x000001BED5DA0000-0x000001BED5DB0000-memory.dmp
memory/1368-139-0x000001BEDB6F0000-0x000001BEDB6FC000-memory.dmp
memory/1368-138-0x000001BEDB740000-0x000001BEDB790000-memory.dmp
memory/1368-133-0x000001BED5DA0000-0x000001BED5DB0000-memory.dmp
memory/1368-132-0x000001BEDBE90000-0x000001BEDC3B8000-memory.dmp
memory/1368-134-0x000001BED5DA0000-0x000001BED5DB0000-memory.dmp
memory/1644-197-0x00000000002C0000-0x00000000002DE000-memory.dmp
memory/1644-202-0x0000000004BC0000-0x0000000004BD0000-memory.dmp
memory/1644-201-0x0000000072EB0000-0x0000000073660000-memory.dmp
memory/1644-199-0x0000000004BC0000-0x0000000004BD0000-memory.dmp
memory/1644-198-0x0000000072EB0000-0x0000000073660000-memory.dmp
memory/2104-14-0x0000000002EB0000-0x0000000002ED7000-memory.dmp
memory/2104-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2104-15-0x0000000000400000-0x0000000002D4A000-memory.dmp
memory/2104-13-0x0000000002EE0000-0x0000000002FE0000-memory.dmp
memory/2104-190-0x0000000000400000-0x0000000002D4A000-memory.dmp
memory/2104-193-0x0000000000400000-0x0000000002D4A000-memory.dmp
memory/2104-91-0x0000000000400000-0x0000000002D4A000-memory.dmp
memory/2104-125-0x0000000002EE0000-0x0000000002FE0000-memory.dmp
memory/2540-75-0x0000000002F20000-0x0000000002F8F000-memory.dmp
memory/2540-70-0x0000000000400000-0x0000000002D6F000-memory.dmp
memory/2540-3-0x0000000000400000-0x0000000002D6F000-memory.dmp
memory/2540-2-0x0000000002F20000-0x0000000002F8F000-memory.dmp
memory/2540-1-0x0000000002FB0000-0x00000000030B0000-memory.dmp