Analysis
- max time kernel
143s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
10/05/2024, 09:29
General
- Target 1aa2463e6b3373a1769dd41d2ed055fa045cd481100a5f06b8e241e6e3241076.exe
- Size 372KB
- Sample240510-lfxtbaad27
- SHA256 1aa2463e6b3373a1769dd41d2ed055fa045cd481100a5f06b8e241e6e3241076
Malware Config
Extracted
-
stealc
-
http://185.172.128.150
-
url_path
/c698e1bc8a2f5e6d.php
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 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 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
- 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 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 50 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1aa2463e6b3373a1769dd41d2ed055fa045cd481100a5f06b8e241e6e3241076.exe"C:\Users\Admin\AppData\Local\Temp\1aa2463e6b3373a1769dd41d2ed055fa045cd481100a5f06b8e241e6e3241076.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\u18c.0.exe"C:\Users\Admin\AppData\Local\Temp\u18c.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 23603⤵
- Program crash
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-
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C:\Users\Admin\AppData\Local\Temp\u18c.1.exe"C:\Users\Admin\AppData\Local\Temp\u18c.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
-
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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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 11402⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1596 -ip 15961⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:81⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=4188 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:31⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2120 -ip 21201⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
SCT Auditing Pending Reports
Sdch Dictionaries
ioloDMLog.txt
ioloDMLog.txt
u18c.0.exe
u18c.1.exe
memory/1596-13-0x0000000000400000-0x0000000002599000-memory.dmp
memory/1596-34-0x0000000000400000-0x0000000002599000-memory.dmp
memory/1596-35-0x00000000041B0000-0x000000000421C000-memory.dmp
memory/1596-36-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1596-1-0x00000000025C0000-0x00000000026C0000-memory.dmp
memory/1596-4-0x0000000000400000-0x0000000002599000-memory.dmp
memory/1596-3-0x0000000000400000-0x000000000046F000-memory.dmp
memory/1596-2-0x00000000041B0000-0x000000000421C000-memory.dmp
memory/2120-171-0x0000000000400000-0x0000000002575000-memory.dmp
memory/2120-133-0x0000000000400000-0x0000000002575000-memory.dmp
memory/2120-93-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4636-53-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4636-64-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4968-73-0x00000170344E0000-0x000001703450A000-memory.dmp
memory/4968-88-0x0000017039830000-0x0000017039852000-memory.dmp
memory/4968-75-0x00000170345B0000-0x00000170345D2000-memory.dmp
memory/4968-76-0x0000017033DF0000-0x0000017033DFA000-memory.dmp
memory/4968-80-0x00000170345E0000-0x00000170348E0000-memory.dmp
memory/4968-82-0x0000017038FE0000-0x0000017038FE8000-memory.dmp
memory/4968-83-0x0000017038960000-0x0000017038998000-memory.dmp
memory/4968-84-0x0000017038930000-0x000001703893E000-memory.dmp
memory/4968-85-0x0000017038950000-0x0000017038958000-memory.dmp
memory/4968-86-0x0000017039800000-0x000001703980A000-memory.dmp
memory/4968-87-0x0000017039AB0000-0x0000017039B12000-memory.dmp
memory/4968-74-0x0000017034560000-0x00000170345B0000-memory.dmp
memory/4968-89-0x000001703A040000-0x000001703A568000-memory.dmp
memory/4968-92-0x0000017039810000-0x000001703981C000-memory.dmp
memory/4968-72-0x00000170341C0000-0x0000017034272000-memory.dmp
memory/4968-116-0x0000017039920000-0x0000017039996000-memory.dmp
memory/4968-71-0x00000170341A0000-0x00000170341AA000-memory.dmp
memory/4968-70-0x0000017033E70000-0x0000017033E94000-memory.dmp
memory/4968-69-0x000001701B710000-0x000001701B724000-memory.dmp
memory/4968-68-0x0000017033E10000-0x0000017033E1C000-memory.dmp
memory/4968-67-0x0000017019DA0000-0x0000017019DB0000-memory.dmp
memory/4968-66-0x0000017034280000-0x000001703438A000-memory.dmp
memory/4968-172-0x0000017034B00000-0x0000017034B1E000-memory.dmp
memory/4968-65-0x0000017016150000-0x0000017019984000-memory.dmp