Analysis
- max time kernel
142s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
12/04/2024, 07:57
General
- Target b59b49633661c5dd6921da1c65dfa862.exe
- Size 490KB
- Sample240412-js811agh73
- SHA256 0dc9afa5a875c051c3dacf9be22239a41bda5c2eb39fb5e69b1e7059e542fe53
Malware Config
Extracted
-
stealc
-
http://185.172.128.209
-
url_path
/3cd2b41cbde8fc9c.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 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
- 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.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 52 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 7 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b59b49633661c5dd6921da1c65dfa862.exe"C:\Users\Admin\AppData\Local\Temp\b59b49633661c5dd6921da1c65dfa862.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\u1sg.0.exe"C:\Users\Admin\AppData\Local\Temp\u1sg.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
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AAKEGIJEHJ.exe"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\AAKEGIJEHJ.exe"C:\Users\Admin\AppData\Local\Temp\AAKEGIJEHJ.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
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\AAKEGIJEHJ.exe5⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 24363⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\u1sg.1.exe"C:\Users\Admin\AppData\Local\Temp\u1sg.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
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 11482⤵
- Program crash
-
-
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=3128 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:31⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2320 -ip 23201⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4184 -ip 41841⤵
-
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=5248 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Are.docx
mozglue.dll
nss3.dll
SCT Auditing Pending Reports
Sdch Dictionaries
AAKEGIJEHJ.exe
ioloDMLog.txt
ioloDMLog.txt
u1sg.0.exe
u1sg.1.exe
memory/1152-192-0x0000028933DB0000-0x00000289340B0000-memory.dmp
memory/1152-196-0x00000289336B0000-0x00000289336C0000-memory.dmp
memory/1152-212-0x00000289336B0000-0x00000289336C0000-memory.dmp
memory/1152-211-0x00000289336B0000-0x00000289336C0000-memory.dmp
memory/1152-210-0x00000289336B0000-0x00000289336C0000-memory.dmp
memory/1152-208-0x00007FFBED3F0000-0x00007FFBEDEB1000-memory.dmp
memory/1152-207-0x00000289388A0000-0x00000289388BE000-memory.dmp
memory/1152-206-0x0000028938870000-0x0000028938892000-memory.dmp
memory/1152-205-0x00000289387D0000-0x00000289387DC000-memory.dmp
memory/1152-204-0x0000028938820000-0x0000028938870000-memory.dmp
memory/1152-201-0x0000028939760000-0x0000028939C88000-memory.dmp
memory/1152-199-0x0000028938790000-0x000002893879A000-memory.dmp
memory/1152-200-0x00000289387B0000-0x00000289387D2000-memory.dmp
memory/1152-198-0x00000289380D0000-0x00000289380DE000-memory.dmp
memory/1152-197-0x0000028938100000-0x0000028938138000-memory.dmp
memory/1152-195-0x0000028938780000-0x0000028938788000-memory.dmp
memory/1152-194-0x00000289336B0000-0x00000289336C0000-memory.dmp
memory/1152-188-0x0000028919500000-0x000002891950A000-memory.dmp
memory/1152-187-0x0000028933D30000-0x0000028933DA6000-memory.dmp
memory/1152-186-0x0000028933C50000-0x0000028933CB2000-memory.dmp
memory/1152-174-0x00007FFBED3F0000-0x00007FFBEDEB1000-memory.dmp
memory/1152-175-0x0000028915750000-0x0000028919048000-memory.dmp
memory/1152-176-0x00000289336B0000-0x00000289336C0000-memory.dmp
memory/1152-177-0x0000028933950000-0x0000028933A60000-memory.dmp
memory/1152-178-0x00000289194E0000-0x00000289194F0000-memory.dmp
memory/1152-179-0x0000028919540000-0x000002891954C000-memory.dmp
memory/1152-180-0x0000028919520000-0x0000028919534000-memory.dmp
memory/1152-181-0x000002891AE70000-0x000002891AE94000-memory.dmp
memory/1152-182-0x000002891AE90000-0x000002891AE9A000-memory.dmp
memory/1152-184-0x0000028933BA0000-0x0000028933C52000-memory.dmp
memory/1152-183-0x0000028933670000-0x000002893369A000-memory.dmp
memory/1152-185-0x00000289337C0000-0x000002893383A000-memory.dmp
memory/2320-4-0x0000000000400000-0x000000000048B000-memory.dmp
memory/2320-2-0x00000000021E0000-0x000000000224C000-memory.dmp
memory/2320-79-0x00000000021E0000-0x000000000224C000-memory.dmp
memory/2320-1-0x00000000006C0000-0x00000000007C0000-memory.dmp
memory/2320-101-0x0000000000400000-0x000000000048B000-memory.dmp
memory/2320-47-0x00000000006C0000-0x00000000007C0000-memory.dmp
memory/2320-17-0x0000000000400000-0x000000000048B000-memory.dmp
memory/2320-3-0x0000000000400000-0x000000000048B000-memory.dmp
memory/4036-173-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4036-156-0x0000000000400000-0x00000000008AD000-memory.dmp
memory/4036-80-0x0000000000B60000-0x0000000000B61000-memory.dmp
memory/4184-155-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4184-15-0x00000000008C0000-0x00000000008E7000-memory.dmp
memory/4184-14-0x0000000000950000-0x0000000000A50000-memory.dmp
memory/4184-16-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4184-78-0x0000000000400000-0x000000000063B000-memory.dmp
memory/4184-18-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/4656-154-0x00000000004C0000-0x00000000004E0000-memory.dmp
memory/4656-157-0x00000000713A0000-0x0000000071B50000-memory.dmp
memory/4656-160-0x00000000713A0000-0x0000000071B50000-memory.dmp