Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04/07/2024, 13:46
Static task
static1
Behavioral task
behavioral1
Sample
f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.exe
Resource
win11-20240611-en
General
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Target
f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.exe
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Size
5.3MB
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MD5
6f2f70353f95755bd4328197aa2bda5e
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SHA1
f853ef376c36f8087d863a8088b2abf8477ec407
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SHA256
f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb
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SHA512
6e0629016630e24f1b91e80bdf62c78bbc913b7870cf7d1f0e2a2ca318d3cd61e4594ddb6c7db3d23fd0bd014e094eef3f255b24bc983b252de0bb349938847a
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SSDEEP
98304:CbnMUvfMRKeYAN1RMXkxJ8QdaxSSxF3d1VTjh25E3q2knF3Qx3xw:WfkYy10ySQduDFt1VTjQ5Cq2klQrw
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/3984-85-0x0000000000AF0000-0x0000000000B92000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1800 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.tmp 464 3gpvideoconverter32.exe 3984 3gpvideoconverter32.exe -
Loads dropped DLL 1 IoCs
pid Process 1800 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.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 91.211.247.248 -
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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1800 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2984 wrote to memory of 1800 2984 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.exe 81 PID 2984 wrote to memory of 1800 2984 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.exe 81 PID 2984 wrote to memory of 1800 2984 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.exe 81 PID 1800 wrote to memory of 464 1800 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.tmp 82 PID 1800 wrote to memory of 464 1800 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.tmp 82 PID 1800 wrote to memory of 464 1800 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.tmp 82 PID 1800 wrote to memory of 3984 1800 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.tmp 83 PID 1800 wrote to memory of 3984 1800 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.tmp 83 PID 1800 wrote to memory of 3984 1800 f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.tmp 83
Processes
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C:\Users\Admin\AppData\Local\Temp\f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.exe"C:\Users\Admin\AppData\Local\Temp\f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Users\Admin\AppData\Local\Temp\is-VJ661.tmp\f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.tmp"C:\Users\Admin\AppData\Local\Temp\is-VJ661.tmp\f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.tmp" /SL5="$A0056,5319478,54272,C:\Users\Admin\AppData\Local\Temp\f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Users\Admin\AppData\Local\3GP Video Converter\3gpvideoconverter32.exe"C:\Users\Admin\AppData\Local\3GP Video Converter\3gpvideoconverter32.exe" -i3⤵
- Executes dropped EXE
PID:464
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C:\Users\Admin\AppData\Local\3GP Video Converter\3gpvideoconverter32.exe"C:\Users\Admin\AppData\Local\3GP Video Converter\3gpvideoconverter32.exe" -s3⤵
- Executes dropped EXE
PID:3984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.9MB
MD58160ddf42be871844d2ecd9c6100ee94
SHA1e03914c7f5e4f463fd4fbd94886932f8b7d0f131
SHA2563b5580702176b4e7b078063f8171838e731ecdec7bbbe36c15be391e77fa6195
SHA51263e3ffcd72ff8256876210dcda93224bfe59f6e4f8a7cd902541b0c53d43c8664bdfa3f82496be1929e2469755469e77608fc06de4a3cbbf30a164ea9b57d941
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-VJ661.tmp\f5fe1a8a8984ed4014b52a6288529bc32ed9bd1d4dcb903bdcb4a964902e63eb.tmp
Filesize680KB
MD5db83d289dcc1ffc4fa03a45e1d2b4ef0
SHA1d17603a722a4ec3fc1a1355d37f4d67f45d53f9b
SHA2562b896eb3adf00308929d9afbb0ad1a77cb0ac007422a325ae56a2034f3e87b4d
SHA5120807bb559572d023d2bff2a18b168f78949dec230e702a2d581b5a1f161277e43735261f1a205cad6fd35592d1be5f18136ea8f52a2e01a4949a58f390034813