Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2024 18:10
Static task
static1
Behavioral task
behavioral1
Sample
51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.exe
Resource
win11-20240426-en
General
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Target
51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.exe
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Size
5.6MB
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MD5
89f349f034ffed8b61d6965ca6befc64
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SHA1
7df5843696a622f6e5f08b990b9c6c00f2d4e96a
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SHA256
51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994
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SHA512
7757abfdbdfcd25b0a0de6a7897523bc17d9f8fc1157f81a2ee2dcc01a5dadd1b7971566698232c3a2358c4ba968832471c848c12ca6414d6eab99b3aa40b271
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SSDEEP
98304:mcO9qA69LhiAEoY0FM5OEZQTmHo5lm49Tfx1/uKhK+Ck3tN3:lOgA69LhSoLM5HyfRbmMK+LdN3
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/3840-94-0x0000000000990000-0x0000000000A32000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp5kplayer32.exe5kplayer32.exepid process 2628 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp 3680 5kplayer32.exe 3840 5kplayer32.exe -
Loads dropped DLL 3 IoCs
Processes:
51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmppid process 2628 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp 2628 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp 2628 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
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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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
Processes:
51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmppid process 2628 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.exe51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmpdescription pid process target process PID 3208 wrote to memory of 2628 3208 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.exe 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp PID 3208 wrote to memory of 2628 3208 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.exe 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp PID 3208 wrote to memory of 2628 3208 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.exe 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp PID 2628 wrote to memory of 3680 2628 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp 5kplayer32.exe PID 2628 wrote to memory of 3680 2628 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp 5kplayer32.exe PID 2628 wrote to memory of 3680 2628 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp 5kplayer32.exe PID 2628 wrote to memory of 3840 2628 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp 5kplayer32.exe PID 2628 wrote to memory of 3840 2628 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp 5kplayer32.exe PID 2628 wrote to memory of 3840 2628 51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp 5kplayer32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.exe"C:\Users\Admin\AppData\Local\Temp\51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3208 -
C:\Users\Admin\AppData\Local\Temp\is-VIMS2.tmp\51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp"C:\Users\Admin\AppData\Local\Temp\is-VIMS2.tmp\51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp" /SL5="$120066,5577335,54272,C:\Users\Admin\AppData\Local\Temp\51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i3⤵
- Executes dropped EXE
PID:3680
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C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s3⤵
- Executes dropped EXE
PID:3840
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.3MB
MD53eab7e829a7de037bf6c6814b609611b
SHA153ab4625f8e08a19a13874bc0eba39aacc1ac624
SHA2565450d35a1ed2e8a40131d11aff4331c94dedc2d5bb6acee9ad226c9e3311c987
SHA512d4a7b35504efcfb6356523f7a3f48d6e9b9ee9a518fbadb6207351118955f7f4e286a113fcb86bfbd0a46c70818f399681ef149fee98b211a4711a26f9206871
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
32KB
MD5b6f11a0ab7715f570f45900a1fe84732
SHA177b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA51278a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771
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C:\Users\Admin\AppData\Local\Temp\is-VIMS2.tmp\51b3d5c95d102910e5eac811942c33dca87bdddb1069e337810109d8da5d3994.tmp
Filesize680KB
MD5ef9105d68de970efad785e01b21e4e2b
SHA17fe8801a3e86814972da63a7a943bdc5e31d8888
SHA256381198ca0669ab760f6f9b84e39c39ab5e870f65d17d03ed0dc572a1c602364a
SHA512e388cbf32a4d833c0e4c6c1a129515b4d12eac5b333f2aec39e741d3a0da856c5923d47cf4d3083ad030f7f07b9214261b2b9119720920dd42929eeb617e779c