Analysis
- max time kernel
142s - max time network
126s - platform
windows11-21h2_x64 - resource
win11-20240802-en - resource tags
- submitted
03/08/2024, 21:07
General
- Target dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe
- Size 3.8MB
- Sample240803-zyb68azdmd
- SHA256 dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe"C:\Users\Admin\AppData\Local\Temp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-5UG1N.tmp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp"C:\Users\Admin\AppData\Local\Temp\is-5UG1N.tmp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp" /SL5="$60208,3761789,54272,C:\Users\Admin\AppData\Local\Temp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
jeengle32_64.exe
_iscrypt.dll
dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp
memory/2156-62-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2156-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2156-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2220-81-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-87-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-109-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-106-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-61-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-60-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-102-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-99-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-64-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-67-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-68-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-71-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-74-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-77-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-80-0x0000000000B60000-0x0000000000C02000-memory.dmp
memory/2220-96-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-93-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2220-90-0x0000000000400000-0x0000000000868000-memory.dmp
memory/2268-13-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2268-63-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4484-52-0x0000000000400000-0x0000000000868000-memory.dmp
memory/4484-53-0x0000000000400000-0x0000000000868000-memory.dmp
memory/4484-57-0x0000000000400000-0x0000000000868000-memory.dmp
memory/4484-55-0x0000000000400000-0x0000000000868000-memory.dmp