Analysis
- max time kernel
143s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system - submitted
02/08/2024, 01:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.exe
Resource
win7-20240708-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.exe
Resource
win10v2004-20240730-en
10 signatures
150 seconds
General
- Target adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.exe
- Size 3.8MB
- Sample240802-bcn2wswdkn
- SHA256 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2
- MD5 0222fc9efea5f01d8f72d5c965439343
- SHA1 c3fa7d3cf9bb9032ed059cf2136a9d5252fcd6e7
- SHA512 17d6cefb14bba7d3373679f9eece292d99fdf4948932949d5c6fc011d5cded8cb72971d5dfdceec69059531fb55ad29e1ac891ac71608ecd2c955f8d14863b3c
- SSDEEP 98304:NwXPo8NYQr4+mODihX7X+LFzY5Pmg/7oAApCdF9:wqQKO6L+FzAjxApC39
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/2688-78-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz behavioral2/memory/2688-101-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz behavioral2/memory/2688-102-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz - Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
pid Process 2844 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp 4772 midi2mp3converter.exe 2688 midi2mp3converter.exe - Loads dropped DLL 1 IoCs
pid Process 2844 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.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.
- 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 midi2mp3converter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language midi2mp3converter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2844 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp 2844 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2844 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 468 wrote to memory of 2844 468 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.exe 83 PID 468 wrote to memory of 2844 468 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.exe 83 PID 468 wrote to memory of 2844 468 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.exe 83 PID 2844 wrote to memory of 4772 2844 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp 87 PID 2844 wrote to memory of 4772 2844 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp 87 PID 2844 wrote to memory of 4772 2844 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp 87 PID 2844 wrote to memory of 2688 2844 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp 88 PID 2844 wrote to memory of 2688 2844 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp 88 PID 2844 wrote to memory of 2688 2844 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.exe"C:\Users\Admin\AppData\Local\Temp\adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:468 -
C:\Users\Admin\AppData\Local\Temp\is-DAJAJ.tmp\adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp"C:\Users\Admin\AppData\Local\Temp\is-DAJAJ.tmp\adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp" /SL5="$C005C,3726069,54272,C:\Users\Admin\AppData\Local\Temp\adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.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:2844 -
C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4772
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C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe"C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2688
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe
- Size 4.1MB
- SHA256 f5b551713297360c003b01424dd3346a7089230e684c6a54c8e80d6726d9e8af
- MD5 788798d276ee72e863ea5294ea6c5ca5
- SHA1 6a73d27e7e95f0eb00875ca1c51aec24839a70bd
- SHA512 6956b3ac60a5b6e8a1fd139b72a849dadb0a6f7a87866cb16f6e4a8308724c56ee49e4aca500bd252c0ac5477f1c0acbaf8eeaf87a99f8f002565a2a6d1e523f
- SSDEEP 49152:x9VrEqAuTehyndrQFxuAZ8Wn15Us0gI7GmXt3AQZmZhW3Uj7N:JE4BrQPuAaWn1qjgI7GmXt3AQN3i7N
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-DAJAJ.tmp\adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2.tmp
- Size 692KB
- SHA256 6059cf705655b57218e452b220a688be54e99f4e98b94c7b35ec6334625c301c
- MD5 7901b5c892a015cc6087c6dcf2d1bfc0
- SHA1 dfdce2ac1340a9472a821eace02cf32cb413ad86
- SHA512 338f064a3adfe32f8bb1c929af3c1687c602a0cd62ffcd6a9d5a3987b7f00a2035cb54aeb6eea852a19b0cda2c03111d1d4e2e03bdbdfc2e547ea01871a569d8
- SSDEEP 12288:thu7eEcdCP8trP837szHUA6JCzS9Ntc3l3ER6orNjURhFDExyF:Pu7eEYCP8trP837szHUA60SLtcV3E9kT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-ODVTE.tmp\_isetup\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512