Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
22/01/2024, 04:28
General
- Target toolspub1.exe
- Size 215KB
- Sample240122-e3netsgfg3
- SHA256 75bcc7144c36d2931b31364db4d3b3fc44b1ad803790ea1077f228efc715bb6d
Malware Config
Extracted
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smokeloader
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pub1
Extracted
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smokeloader
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2022
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http://trad-einmyus.com/index.php
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http://tradein-myus.com/index.php
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http://trade-inmyus.com/index.php
Extracted
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djvu
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http://habrafa.com/test1/get.php
-
extension
.cdpo
-
offline_id
Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1
-
payload_url
http://brusuax.com/dl/build2.exe
http://habrafa.com/files/1/build3.exe
-
ransomnote
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Extracted
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redline
-
LogsDiller Cloud (TG: @logsdillabot)
-
45.15.156.60:12050
Signatures
- Detect ZGRat V1 19 IoCs
- Detected Djvu ransomware 9 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- ZGRat
ZGRat is remote access trojan written in C#.
- Downloads MZ/PE file
- Modifies Installed Components in the registry 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Deletes itself 1 IoCs
- Executes dropped EXE 10 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- 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 connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 3 IoCs
- 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 9 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Modifies registry class 8 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 20 IoCs
- Suspicious use of FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 9 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 51 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\A4BC.exeC:\Users\Admin\AppData\Local\Temp\A4BC.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\C842.exeC:\Users\Admin\AppData\Local\Temp\C842.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\C842.exeC:\Users\Admin\AppData\Local\Temp\C842.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\6b4a86c7-7350-4ca0-af25-8bc97cfa91aa" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
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C:\Users\Admin\AppData\Local\Temp\C842.exe"C:\Users\Admin\AppData\Local\Temp\C842.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\C842.exe"C:\Users\Admin\AppData\Local\Temp\C842.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1776 -s 5685⤵
- Program crash
-
-
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1776 -ip 17761⤵
-
C:\Users\Admin\AppData\Local\Temp\FDF9.exeC:\Users\Admin\AppData\Local\Temp\FDF9.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\179D.exeC:\Users\Admin\AppData\Local\Temp\179D.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Roaming\jjhitbjC:\Users\Admin\AppData\Roaming\jjhitbj1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\5696.exeC:\Users\Admin\AppData\Local\Temp\5696.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\59F3.exeC:\Users\Admin\AppData\Local\Temp\59F3.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Enumerates connected drives
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
179D.exe
5696.exe
59F3.exe
A4BC.exe
C842.exe
C842.exe
C842.exe
FDF9.exe
FDF9.exe
memory/1056-27-0x0000000000670000-0x0000000000705000-memory.dmp
memory/1056-28-0x0000000002290000-0x00000000023AB000-memory.dmp
memory/1244-16-0x0000000000780000-0x0000000000880000-memory.dmp
memory/1244-17-0x0000000000400000-0x000000000043B000-memory.dmp
memory/1244-19-0x0000000000400000-0x000000000043B000-memory.dmp
memory/1776-52-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1776-49-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1776-50-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1896-3-0x00000000006F0000-0x00000000006FB000-memory.dmp
memory/1896-2-0x0000000000400000-0x000000000043B000-memory.dmp
memory/1896-5-0x0000000000400000-0x000000000043B000-memory.dmp
memory/1896-1-0x0000000000760000-0x0000000000860000-memory.dmp
memory/2088-76-0x0000000002790000-0x0000000004790000-memory.dmp
memory/2088-68-0x0000000000360000-0x00000000003C4000-memory.dmp
memory/2088-69-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/2088-71-0x0000000004F70000-0x0000000004F80000-memory.dmp
memory/2088-78-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/2864-117-0x0000000005450000-0x0000000005460000-memory.dmp
memory/2864-121-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-116-0x0000000074A40000-0x00000000751F0000-memory.dmp
memory/2864-115-0x0000000000A40000-0x0000000000B06000-memory.dmp
memory/2864-149-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-119-0x0000000005460000-0x000000000552A000-memory.dmp
memory/2864-120-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-151-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-118-0x0000000005340000-0x0000000005408000-memory.dmp
memory/2864-129-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-153-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-141-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-147-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-143-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-145-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-127-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-139-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-133-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-137-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-135-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-123-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-125-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2864-131-0x0000000005460000-0x0000000005523000-memory.dmp
memory/2976-29-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-32-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-33-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-43-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2976-31-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3492-102-0x00000000025A0000-0x00000000025B6000-memory.dmp
memory/3492-18-0x0000000002D10000-0x0000000002D26000-memory.dmp
memory/3492-4-0x0000000002790000-0x00000000027A6000-memory.dmp
memory/3536-81-0x0000000000190000-0x0000000000A44000-memory.dmp
memory/3536-62-0x0000000000190000-0x0000000000A44000-memory.dmp
memory/3536-60-0x0000000001350000-0x0000000001351000-memory.dmp
memory/3536-61-0x0000000000190000-0x0000000000A44000-memory.dmp
memory/4520-100-0x00000000005F0000-0x00000000006F0000-memory.dmp
memory/4520-103-0x0000000000400000-0x000000000043B000-memory.dmp
memory/4520-101-0x0000000000400000-0x000000000043B000-memory.dmp
memory/4576-47-0x0000000002190000-0x0000000002226000-memory.dmp
memory/4920-89-0x0000000005760000-0x000000000579C000-memory.dmp
memory/4920-88-0x00000000056F0000-0x0000000005702000-memory.dmp
memory/4920-92-0x0000000007D10000-0x0000000007ED2000-memory.dmp
memory/4920-91-0x0000000006040000-0x00000000060A6000-memory.dmp
memory/4920-90-0x00000000057B0000-0x00000000057FC000-memory.dmp
memory/4920-94-0x0000000007230000-0x0000000007280000-memory.dmp
memory/4920-87-0x0000000005870000-0x000000000597A000-memory.dmp
memory/4920-93-0x0000000008410000-0x000000000893C000-memory.dmp
memory/4920-86-0x00000000065F0000-0x0000000006C08000-memory.dmp
memory/4920-83-0x0000000005620000-0x0000000005630000-memory.dmp
memory/4920-82-0x0000000005610000-0x000000000561A000-memory.dmp
memory/4920-80-0x0000000005470000-0x0000000005502000-memory.dmp
memory/4920-79-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/4920-77-0x0000000005A20000-0x0000000005FC4000-memory.dmp
memory/4920-73-0x0000000000400000-0x0000000000454000-memory.dmp
memory/4920-96-0x0000000074A50000-0x0000000075200000-memory.dmp