socks5systemz | ae8c02bd39bf583e222817248160a8833283074da48e7f8eb06cbeecdfac93cd

Analysis

max time kernel
142s
max time network
132s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31/07/2024, 22:06

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General

Target
2819912c1cf7a4fd8fe1fc96a54cd267.exe
Size 3.8MB
Sample240731-1z2zps1amd
SHA256 ae8c02bd39bf583e222817248160a8833283074da48e7f8eb06cbeecdfac93cd
MD5 2819912c1cf7a4fd8fe1fc96a54cd267
SHA1 d9ef590aa2a997c7c30a9ce8244236ec023f6630
SHA512 794f1db87e9a2e724996df7c80fca2bc0512c3b4b8bfacbec0bd2ae3e18efffbffda2d424d96bdf6f8baca44429aa3f17a137862a9d3092bd620955ca5492f9b
SSDEEP 98304:NmgAs2rVNKQ3WeCbTS3RrXO7XGtwejDT+agAD++5FAdZ:Ybrr+QWTS3RrXQ2twwH0KT5yv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1352-84-0x0000000002500000-0x00000000025A2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp
2536	midi2mp3converter.exe
1352	midi2mp3converter.exe

Loads dropped DLL 5 IoCs

pid	Process
2664	2819912c1cf7a4fd8fe1fc96a54cd267.exe
2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp
2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp
2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp
2720	2819912c1cf7a4fd8fe1fc96a54cd267.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	152.89.198.214

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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.

discovery

System Language Discovery

T1614.001

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	2819912c1cf7a4fd8fe1fc96a54cd267.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2819912c1cf7a4fd8fe1fc96a54cd267.tmp

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp
2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2720	2664	2819912c1cf7a4fd8fe1fc96a54cd267.exe	30
PID 2664 wrote to memory of 2720	2664	2819912c1cf7a4fd8fe1fc96a54cd267.exe	30
PID 2664 wrote to memory of 2720	2664	2819912c1cf7a4fd8fe1fc96a54cd267.exe	30
PID 2664 wrote to memory of 2720	2664	2819912c1cf7a4fd8fe1fc96a54cd267.exe	30
PID 2664 wrote to memory of 2720	2664	2819912c1cf7a4fd8fe1fc96a54cd267.exe	30
PID 2664 wrote to memory of 2720	2664	2819912c1cf7a4fd8fe1fc96a54cd267.exe	30
PID 2664 wrote to memory of 2720	2664	2819912c1cf7a4fd8fe1fc96a54cd267.exe	30
PID 2720 wrote to memory of 2536	2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp	31
PID 2720 wrote to memory of 2536	2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp	31
PID 2720 wrote to memory of 2536	2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp	31
PID 2720 wrote to memory of 2536	2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp	31
PID 2720 wrote to memory of 1352	2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp	32
PID 2720 wrote to memory of 1352	2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp	32
PID 2720 wrote to memory of 1352	2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp	32
PID 2720 wrote to memory of 1352	2720	2819912c1cf7a4fd8fe1fc96a54cd267.tmp	32

C:\Users\Admin\AppData\Local\Temp\2819912c1cf7a4fd8fe1fc96a54cd267.exe
"C:\Users\Admin\AppData\Local\Temp\2819912c1cf7a4fd8fe1fc96a54cd267.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Users\Admin\AppData\Local\Temp\is-7CQJ4.tmp\2819912c1cf7a4fd8fe1fc96a54cd267.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7CQJ4.tmp\2819912c1cf7a4fd8fe1fc96a54cd267.tmp" /SL5="$40026,3672956,54272,C:\Users\Admin\AppData\Local\Temp\2819912c1cf7a4fd8fe1fc96a54cd267.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:2720
- - C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe
    "C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2536
- - C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe
    "C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe" -s
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

midi2mp3converter.exe

Path C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter.exe
Size 4.1MB
SHA256 ad2b23a90fab40f933a41bb3382800a7d5f3e5a901c6cbdb45c388c22fcff746
MD5 39f681f7ad866c1dc3cf28dfde2138f8
SHA1 5803af3dea7fad38e1d6f101d752ac318da468cd
SHA512 55939b72474615900338e68165dee7ad27ceb5c09f483509bdc1dcd4043859d3327288c01ac6e2afc1bc24aea086e94622f0b9dbe51dbdbe6458120e1e7514d6
SSDEEP 49152:5DkR8EYpgXrQF0HLCGCPZTE6ec1ZIn5jXHo:GrQmHLCGC1E6PZIn9Ho
MD5 SHA1 SHA512 SSDEEP

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2819912c1cf7a4fd8fe1fc96a54cd267.tmp

Path \Users\Admin\AppData\Local\Temp\is-7CQJ4.tmp\2819912c1cf7a4fd8fe1fc96a54cd267.tmp
Size 692KB
SHA256 e901669213b8d6730d8b5ff3c2dc6e9cd6ea971d9f601e71229e8c4fd5284b75
MD5 206263a92318c99bf4819cceadb8f541
SHA1 cc5949512af6b87d72716d7cae2767639233dd8e
SHA512 6c94346f0c80ee897ad94d3f2d059e0af1e0c19fccbd603f69ae4ecdd8d09a259c8be1b9d7025ca0e2a22e40b57cb04940c8f1e62f3bd0adceee864a2e5dd285
SSDEEP 12288:thu7eEcdCP8trP837szHUA6JCzS9Ntc3l3ER6orNjURQFDExyF:Pu7eEYCP8trP837szHUA60SLtcV3E9FT
MD5 SHA1 SHA512 SSDEEP

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_iscrypt.dll

Path \Users\Admin\AppData\Local\Temp\is-MJ2MU.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

Submit Download

_shfoldr.dll

Path \Users\Admin\AppData\Local\Temp\is-MJ2MU.tmp\_isetup\_shfoldr.dll
Size 22KB
SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
MD5 92dc6ef532fbb4a5c3201469a5b5eb63
SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
MD5 SHA1 SHA512 SSDEEP

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memory/1352-84-0x0000000002500000-0x00000000025A2000-memory.dmp

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memory/1352-93-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-112-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-109-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-105-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-63-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-102-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-99-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-96-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-90-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-67-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-70-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-83-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-74-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-77-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/1352-80-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/2536-58-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/2536-61-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/2536-57-0x0000000000400000-0x000000000081A000-memory.dmp

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memory/2664-0-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/2664-65-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/2664-3-0x0000000000401000-0x000000000040B000-memory.dmp

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memory/2720-71-0x00000000035A0000-0x00000000039BA000-memory.dmp

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memory/2720-66-0x0000000000400000-0x00000000004BD000-memory.dmp

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memory/2720-56-0x00000000035A0000-0x00000000039BA000-memory.dmp

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memory/2720-16-0x0000000000400000-0x00000000004BD000-memory.dmp

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