Analysis
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max time kernel
141s -
max time network
126s -
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, 22:31
Static task
static1
Behavioral task
behavioral1
Sample
7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe
Resource
win11-20240802-en
General
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Target
7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe
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Size
3.8MB
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MD5
e26c76100a089a94c3d1acd93db457cf
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SHA1
25fb66bc18362ee0c008e72b909190a3f18e7f34
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SHA256
7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5
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SHA512
c98c097edb078293201ac2f8ac0dcf11d518d5b500a14437011fefbc4b855073801b66bc1fccded42c34723dedb810d3b46d722cf92a9a1106c37afba8a8a8d4
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SSDEEP
49152:1vM6eXNvwBT5/E+bHCofOzDgnK5g56tsNXwmS3oYC9LIrFkf23KbgONkLZidgkT7:NMOlnfmD6FcuyFTcgNodJIK9wPpGcKd3
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/4944-76-0x0000000000B70000-0x0000000000C12000-memory.dmp family_socks5systemz behavioral2/memory/4944-103-0x0000000000B70000-0x0000000000C12000-memory.dmp family_socks5systemz behavioral2/memory/4944-102-0x0000000000B70000-0x0000000000C12000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1572 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp 3684 jeengle32_64.exe 4944 jeengle32_64.exe -
Loads dropped DLL 1 IoCs
pid Process 1572 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.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 141.98.234.31 -
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 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.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 1572 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp 1572 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1572 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 976 wrote to memory of 1572 976 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe 80 PID 976 wrote to memory of 1572 976 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe 80 PID 976 wrote to memory of 1572 976 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe 80 PID 1572 wrote to memory of 3684 1572 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp 82 PID 1572 wrote to memory of 3684 1572 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp 82 PID 1572 wrote to memory of 3684 1572 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp 82 PID 1572 wrote to memory of 4944 1572 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp 83 PID 1572 wrote to memory of 4944 1572 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp 83 PID 1572 wrote to memory of 4944 1572 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp 83
Processes
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C:\Users\Admin\AppData\Local\Temp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe"C:\Users\Admin\AppData\Local\Temp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Users\Admin\AppData\Local\Temp\is-O9G3R.tmp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp"C:\Users\Admin\AppData\Local\Temp\is-O9G3R.tmp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp" /SL5="$501A4,3735475,54272,C:\Users\Admin\AppData\Local\Temp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.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:1572 -
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:3684
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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:4944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.4MB
MD55e0a8ffd2f356a2a76265f2cf335f67a
SHA13ecfb5f97f8eb6a4f0682a526318054e2348c9e3
SHA256858e9b948f89b35e5686aef218bddaf698569739159ef8162640bbcadf56238e
SHA512c2201cd29d3edaf5e1b292a89902ea9e833e1ec4ee3d2a2a53563de1300330b5f5925da6a02c34b3c5c451569e51b0d5626f972141fe6493c315b55cd151cf49
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-O9G3R.tmp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp
Filesize692KB
MD596e2c8db3dd8e1f3632aab3b400e4b9a
SHA14272048cddf5a17cee879c2c421f61e33baeff69
SHA256624f7af3f2c4baa83666b9d02935116368c7660d5ee7059704f1d7279cde4cf2
SHA5121d1642d10d31bf54e78fa6b3bba5e31b4fe745f1834d61dcf5ffd1d99934c1d7ba3ecc4832d0c3519380f5ded71632bf084ad4cfb3f74785e54d434508a8e984