Analysis
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max time kernel
141s -
max time network
130s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
03/08/2024, 19:03
Static task
static1
Behavioral task
behavioral1
Sample
LYskLAEjCpn4NHqyARci9KzP.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
LYskLAEjCpn4NHqyARci9KzP.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
LYskLAEjCpn4NHqyARci9KzP.exe
Resource
win11-20240802-en
General
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Target
LYskLAEjCpn4NHqyARci9KzP.exe
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Size
3.8MB
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MD5
9581a05dfd4f448e92b557c449224955
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SHA1
343bf9a9b5eaeb077c6f7636c7b410224a2a1d69
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SHA256
46b4d936a7fd187ebb7b2ea21e0b3b56aba9c865652747426b8ca00535bfee58
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SHA512
033e98cbb7bf6f93ecb2e0f1925bc9c0e5251423d2d24a8b408b4733abb4cc6f2d3aa59875e68f789100089e58253b107aeba8c9869e14a951104a2e88df8dcd
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SSDEEP
98304:NYjHbYW0grcUwMZkQqnrpgeblpvqh89zZL09eCMd3:5qcUxsrpgJhg09eR9
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral3/memory/5000-77-0x0000000000BF0000-0x0000000000C92000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4224 LYskLAEjCpn4NHqyARci9KzP.tmp 3420 jeengle32_64.exe 5000 jeengle32_64.exe -
Loads dropped DLL 1 IoCs
pid Process 4224 LYskLAEjCpn4NHqyARci9KzP.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 152.89.198.214 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LYskLAEjCpn4NHqyARci9KzP.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LYskLAEjCpn4NHqyARci9KzP.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jeengle32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jeengle32_64.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4224 LYskLAEjCpn4NHqyARci9KzP.tmp 4224 LYskLAEjCpn4NHqyARci9KzP.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4224 LYskLAEjCpn4NHqyARci9KzP.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4280 wrote to memory of 4224 4280 LYskLAEjCpn4NHqyARci9KzP.exe 82 PID 4280 wrote to memory of 4224 4280 LYskLAEjCpn4NHqyARci9KzP.exe 82 PID 4280 wrote to memory of 4224 4280 LYskLAEjCpn4NHqyARci9KzP.exe 82 PID 4224 wrote to memory of 3420 4224 LYskLAEjCpn4NHqyARci9KzP.tmp 83 PID 4224 wrote to memory of 3420 4224 LYskLAEjCpn4NHqyARci9KzP.tmp 83 PID 4224 wrote to memory of 3420 4224 LYskLAEjCpn4NHqyARci9KzP.tmp 83 PID 4224 wrote to memory of 5000 4224 LYskLAEjCpn4NHqyARci9KzP.tmp 84 PID 4224 wrote to memory of 5000 4224 LYskLAEjCpn4NHqyARci9KzP.tmp 84 PID 4224 wrote to memory of 5000 4224 LYskLAEjCpn4NHqyARci9KzP.tmp 84
Processes
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C:\Users\Admin\AppData\Local\Temp\LYskLAEjCpn4NHqyARci9KzP.exe"C:\Users\Admin\AppData\Local\Temp\LYskLAEjCpn4NHqyARci9KzP.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Users\Admin\AppData\Local\Temp\is-A1VOR.tmp\LYskLAEjCpn4NHqyARci9KzP.tmp"C:\Users\Admin\AppData\Local\Temp\is-A1VOR.tmp\LYskLAEjCpn4NHqyARci9KzP.tmp" /SL5="$702AE,3726094,54272,C:\Users\Admin\AppData\Local\Temp\LYskLAEjCpn4NHqyARci9KzP.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
PID:4224 -
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
PID:3420
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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
PID:5000
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.4MB
MD59397346f25d5b6b0c7c04de5ac976e11
SHA195bcd788ccc770d3e0973284f8e8aa7dce74e20b
SHA2569e58dd38933762df9831779b275aba68ebfba07309bcc0491850020d87044db0
SHA512b3432f7b9c36babeb6e2e9cb822abb91504e25d8514356065aafca501b1052e91205f5c751099c2c41de0a0e5f3d49d7ef0bdcc43dd9533290d5c99ef4121784
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Filesize
692KB
MD596e2c8db3dd8e1f3632aab3b400e4b9a
SHA14272048cddf5a17cee879c2c421f61e33baeff69
SHA256624f7af3f2c4baa83666b9d02935116368c7660d5ee7059704f1d7279cde4cf2
SHA5121d1642d10d31bf54e78fa6b3bba5e31b4fe745f1834d61dcf5ffd1d99934c1d7ba3ecc4832d0c3519380f5ded71632bf084ad4cfb3f74785e54d434508a8e984
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63