Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-12-2024 12:21
Static task
static1
Behavioral task
behavioral1
Sample
439194c0af02fd82c5540a082543090f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
439194c0af02fd82c5540a082543090f.exe
Resource
win10v2004-20241007-en
General
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Target
439194c0af02fd82c5540a082543090f.exe
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Size
6.9MB
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MD5
439194c0af02fd82c5540a082543090f
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SHA1
4f113878dc99fa7e079a95bda31f3abc351fa8ef
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SHA256
abeee1f06b6b4634fcf4cc47b6ff341537f96e3adaf2b351b213321e26e07177
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SHA512
669e4dec07a69744261bb5c79243df72a0570b99033617a3f8a30001b399b8769fc112ab91135089380fef37f5c05fbf3d97ab5c9230d783831733cb3bf8743a
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SSDEEP
98304:++koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:Dz25G6bV1yYDuZxCWQNhUU2uNzj
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral2/memory/4968-178-0x0000000000830000-0x00000000008D1000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Socks5systemz family
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Executes dropped EXE 3 IoCs
pid Process 1240 439194c0af02fd82c5540a082543090f.tmp 2984 crtgame.exe 4968 crtgame.exe -
Loads dropped DLL 3 IoCs
pid Process 1240 439194c0af02fd82c5540a082543090f.tmp 1240 439194c0af02fd82c5540a082543090f.tmp 1240 439194c0af02fd82c5540a082543090f.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 81.31.197.38 -
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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Drops file in Program Files directory 63 IoCs
description ioc Process File created C:\Program Files (x86)\CRTGame\uninstall\is-JQUNP.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-2O4ON.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-1DFS6.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-9DFHS.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-ID6V4.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-4GPGD.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-OPL1H.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-7QF8T.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-DBCAA.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-IJ7H6.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-H2L5K.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-PIIS3.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-QJG7O.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-1UNLR.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-GV6T6.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-OMV6E.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-AQH9D.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-7EO8T.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-S3GL6.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-AP7QL.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-PLBQ6.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-74RA8.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-HANSQ.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\is-NR4E8.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-MG986.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-25KQ2.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-5AIHN.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-QGGN4.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-2HBD5.tmp 439194c0af02fd82c5540a082543090f.tmp File opened for modification C:\Program Files (x86)\CRTGame\uninstall\unins000.dat 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-M38TG.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-56T7E.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-RPG5H.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-5IVP3.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-1AD8I.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-LPU0K.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-46DR1.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-V160C.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-ABRF4.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-BV2MS.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-C8988.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-1AERT.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-FKMRF.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-8U5E8.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-TV2O2.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-7M4HM.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\plugins\internal\is-R5A6K.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\uninstall\unins000.dat 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-IVEU6.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-TCJT8.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-MF8H8.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\plugins\internal\is-S69HU.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-GR393.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-C6M51.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-O3TI0.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-CCP0R.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-FL77Q.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-6SU9L.tmp 439194c0af02fd82c5540a082543090f.tmp File opened for modification C:\Program Files (x86)\CRTGame\crtgame.exe 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\stuff\is-HVFE2.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-RSC36.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\is-8VLPL.tmp 439194c0af02fd82c5540a082543090f.tmp File created C:\Program Files (x86)\CRTGame\bin\x86\lessmsi\is-973NG.tmp 439194c0af02fd82c5540a082543090f.tmp -
System Location Discovery: System Language Discovery 1 TTPs 7 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 crtgame.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 439194c0af02fd82c5540a082543090f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 439194c0af02fd82c5540a082543090f.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language crtgame.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1240 439194c0af02fd82c5540a082543090f.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4564 wrote to memory of 1240 4564 439194c0af02fd82c5540a082543090f.exe 83 PID 4564 wrote to memory of 1240 4564 439194c0af02fd82c5540a082543090f.exe 83 PID 4564 wrote to memory of 1240 4564 439194c0af02fd82c5540a082543090f.exe 83 PID 1240 wrote to memory of 1320 1240 439194c0af02fd82c5540a082543090f.tmp 84 PID 1240 wrote to memory of 1320 1240 439194c0af02fd82c5540a082543090f.tmp 84 PID 1240 wrote to memory of 1320 1240 439194c0af02fd82c5540a082543090f.tmp 84 PID 1240 wrote to memory of 2984 1240 439194c0af02fd82c5540a082543090f.tmp 85 PID 1240 wrote to memory of 2984 1240 439194c0af02fd82c5540a082543090f.tmp 85 PID 1240 wrote to memory of 2984 1240 439194c0af02fd82c5540a082543090f.tmp 85 PID 1240 wrote to memory of 2544 1240 439194c0af02fd82c5540a082543090f.tmp 87 PID 1240 wrote to memory of 2544 1240 439194c0af02fd82c5540a082543090f.tmp 87 PID 1240 wrote to memory of 2544 1240 439194c0af02fd82c5540a082543090f.tmp 87 PID 1240 wrote to memory of 4968 1240 439194c0af02fd82c5540a082543090f.tmp 88 PID 1240 wrote to memory of 4968 1240 439194c0af02fd82c5540a082543090f.tmp 88 PID 1240 wrote to memory of 4968 1240 439194c0af02fd82c5540a082543090f.tmp 88 PID 2544 wrote to memory of 5008 2544 net.exe 90 PID 2544 wrote to memory of 5008 2544 net.exe 90 PID 2544 wrote to memory of 5008 2544 net.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\439194c0af02fd82c5540a082543090f.exe"C:\Users\Admin\AppData\Local\Temp\439194c0af02fd82c5540a082543090f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Users\Admin\AppData\Local\Temp\is-7FMJ3.tmp\439194c0af02fd82c5540a082543090f.tmp"C:\Users\Admin\AppData\Local\Temp\is-7FMJ3.tmp\439194c0af02fd82c5540a082543090f.tmp" /SL5="$F0062,6985375,54272,C:\Users\Admin\AppData\Local\Temp\439194c0af02fd82c5540a082543090f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵
- System Location Discovery: System Language Discovery
PID:1320
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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2984
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 103⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 104⤵
- System Location Discovery: System Language Discovery
PID:5008
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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4968
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD5a158c99aa92f0e29ed84bb25976d4f7a
SHA1165831b30ec9ea08fa80e348ae1a522256a633bd
SHA256d038c11b0567ee81823a93bd8a1cc62f176ac7ce785104e7b08954b1b3d80fa4
SHA512dccf5785ba72c46cd38766610341ccc1df2cb4c98f2c475105b06ceae461bd109974d3b9d8de945619b7acfa88a85082c6ef239d7e074511b411a3706521a170
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4