Analysis
- max time kernel
147s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
28/04/2024, 08:32
General
- Target 8d509fe888bd41f79451c628541344b79e5f7cbcc4834c5573d8346d1aef4302.exe
- Size 457KB
- Sample240428-kfc88sca2w
- SHA256 8d509fe888bd41f79451c628541344b79e5f7cbcc4834c5573d8346d1aef4302
Malware Config
Extracted
-
stealc
-
http://185.172.128.62
-
url_path
/902e53a07830e030.php
Signatures
- Detect ZGRat V1 3 IoCs
- SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
- SectopRAT payload 1 IoCs
- Stealc
Stealc is an infostealer written in C++.
- ZGRat
ZGRat is remote access trojan written in C#.
- Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 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.
- Suspicious behavior: EnumeratesProcesses 28 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8d509fe888bd41f79451c628541344b79e5f7cbcc4834c5573d8346d1aef4302.exe"C:\Users\Admin\AppData\Local\Temp\8d509fe888bd41f79451c628541344b79e5f7cbcc4834c5573d8346d1aef4302.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u1xg.0.exe"C:\Users\Admin\AppData\Local\Temp\u1xg.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 24443⤵
- Program crash
-
-
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C:\Users\Admin\AppData\Local\Temp\u1xg.2\run.exe"C:\Users\Admin\AppData\Local\Temp\u1xg.2\run.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\SysWOW64\cmd.exe3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
-
-
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C:\Users\Admin\AppData\Local\Temp\u1xg.3.exe"C:\Users\Admin\AppData\Local\Temp\u1xg.3.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
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 2500 -s 10202⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2500 -ip 25001⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 436 -ip 4361⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
bb8a83a6
ioloDMLog.txt
ioloDMLog.txt
tmpDEC8.tmp
tmpDEEA.tmp
u1xg.0.exe
u1xg.1.zip
UIxMarketPlugin.dll
bunch.dat
relay.dll
run.exe
whale.dbf
u1xg.3.exe
memory/436-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/436-15-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/436-14-0x0000000003760000-0x0000000003787000-memory.dmp
memory/436-13-0x0000000001C40000-0x0000000001D40000-memory.dmp
memory/436-237-0x0000000001C40000-0x0000000001D40000-memory.dmp
memory/436-174-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/436-271-0x0000000000400000-0x0000000001A19000-memory.dmp
memory/1464-277-0x0000000004DA0000-0x0000000004E16000-memory.dmp
memory/1464-278-0x0000000004E40000-0x0000000004E90000-memory.dmp
memory/1464-281-0x0000000005A50000-0x0000000005A6E000-memory.dmp
memory/1464-276-0x0000000005000000-0x00000000051C2000-memory.dmp
memory/1464-275-0x00000000052D0000-0x0000000005876000-memory.dmp
memory/1464-274-0x0000000004C80000-0x0000000004D12000-memory.dmp
memory/1464-273-0x0000000000700000-0x00000000007C6000-memory.dmp
memory/1464-282-0x0000000005B20000-0x0000000005B86000-memory.dmp
memory/1464-268-0x00000000710E0000-0x00000000723F7000-memory.dmp
memory/1464-279-0x0000000004D50000-0x0000000004D5A000-memory.dmp
memory/1464-280-0x0000000005EF0000-0x000000000641C000-memory.dmp
memory/1464-301-0x0000000007270000-0x000000000727A000-memory.dmp
memory/2460-214-0x000001EFF7DC0000-0x000001EFF7E3A000-memory.dmp
memory/2460-213-0x000001EFF80B0000-0x000001EFF8162000-memory.dmp
memory/2460-215-0x000001EFF8160000-0x000001EFF81C2000-memory.dmp
memory/2460-216-0x000001EFF8240000-0x000001EFF82B6000-memory.dmp
memory/2460-217-0x000001EFF7D60000-0x000001EFF7D6A000-memory.dmp
memory/2460-221-0x000001EFF82C0000-0x000001EFF85C0000-memory.dmp
memory/2460-223-0x000001EFFCCE0000-0x000001EFFCCE8000-memory.dmp
memory/2460-224-0x000001EFFC620000-0x000001EFFC658000-memory.dmp
memory/2460-225-0x000001EFFC5F0000-0x000001EFFC5FE000-memory.dmp
memory/2460-228-0x000001EFFCFA0000-0x000001EFFCFC2000-memory.dmp
memory/2460-227-0x000001EFFCCF0000-0x000001EFFCCFA000-memory.dmp
memory/2460-229-0x000001EFFD4F0000-0x000001EFFDA18000-memory.dmp
memory/2460-232-0x000001EFFCD70000-0x000001EFFCDC0000-memory.dmp
memory/2460-233-0x000001EFFCD00000-0x000001EFFCD0C000-memory.dmp
memory/2460-234-0x000001EFFCDC0000-0x000001EFFCDE2000-memory.dmp
memory/2460-235-0x000001EFFCD50000-0x000001EFFCD6E000-memory.dmp
memory/2460-211-0x000001EFF7B50000-0x000001EFF7B5A000-memory.dmp
memory/2460-205-0x000001EFD9B20000-0x000001EFDD418000-memory.dmp
memory/2460-212-0x000001EFF7D90000-0x000001EFF7DBA000-memory.dmp
memory/2460-208-0x000001EFF7AC0000-0x000001EFF7ACC000-memory.dmp
memory/2460-210-0x000001EFF7B20000-0x000001EFF7B44000-memory.dmp
memory/2460-209-0x000001EFF7AB0000-0x000001EFF7AC4000-memory.dmp
memory/2460-206-0x000001EFF7E50000-0x000001EFF7F60000-memory.dmp
memory/2460-272-0x000001EFF7B70000-0x000001EFF7D23000-memory.dmp
memory/2460-207-0x000001EFF7AA0000-0x000001EFF7AB0000-memory.dmp
memory/2500-1-0x0000000001B00000-0x0000000001C00000-memory.dmp
memory/2500-165-0x0000000000400000-0x0000000001A3D000-memory.dmp
memory/2500-166-0x0000000003750000-0x00000000037BD000-memory.dmp
memory/2500-3-0x0000000000400000-0x0000000001A3D000-memory.dmp
memory/2500-2-0x0000000003750000-0x00000000037BD000-memory.dmp
memory/3080-241-0x00000000725E0000-0x000000007275D000-memory.dmp
memory/3080-190-0x00007FFC6A820000-0x00007FFC6AA29000-memory.dmp
memory/4256-204-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4256-201-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4636-171-0x00000000725E0000-0x000000007275D000-memory.dmp
memory/4636-141-0x00007FFC6A820000-0x00007FFC6AA29000-memory.dmp
memory/4636-140-0x00000000725E0000-0x000000007275D000-memory.dmp