socks5systemz | adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2

Analysis

max time kernel
143s
max time network
128s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31/07/2024, 14:41

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General

Target
0222fc9efea5f01d8f72d5c965439343.exe
Size 3.8MB
Sample240731-r2eshstalg
SHA256 adcde787a75fa1df4c1e1abf54c13cbfaf014f6b910c074bfae4576a900834d2
MD5 0222fc9efea5f01d8f72d5c965439343
SHA1 c3fa7d3cf9bb9032ed059cf2136a9d5252fcd6e7
SHA512 17d6cefb14bba7d3373679f9eece292d99fdf4948932949d5c6fc011d5cded8cb72971d5dfdceec69059531fb55ad29e1ac891ac71608ecd2c955f8d14863b3c
SSDEEP 98304:NwXPo8NYQr4+mODihX7X+LFzY5Pmg/7oAApCdF9:wqQKO6L+FzAjxApC39
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2716-85-0x00000000024C0000-0x0000000002562000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1668	0222fc9efea5f01d8f72d5c965439343.tmp
2868	midi2mp3converter.exe
2716	midi2mp3converter.exe

Loads dropped DLL 5 IoCs

pid	Process
1720	0222fc9efea5f01d8f72d5c965439343.exe
1668	0222fc9efea5f01d8f72d5c965439343.tmp
1668	0222fc9efea5f01d8f72d5c965439343.tmp
1668	0222fc9efea5f01d8f72d5c965439343.tmp
1668	0222fc9efea5f01d8f72d5c965439343.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.
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	0222fc9efea5f01d8f72d5c965439343.tmp
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	0222fc9efea5f01d8f72d5c965439343.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1668	0222fc9efea5f01d8f72d5c965439343.tmp
1668	0222fc9efea5f01d8f72d5c965439343.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1668	0222fc9efea5f01d8f72d5c965439343.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1668	1720	0222fc9efea5f01d8f72d5c965439343.exe	30
PID 1720 wrote to memory of 1668	1720	0222fc9efea5f01d8f72d5c965439343.exe	30
PID 1720 wrote to memory of 1668	1720	0222fc9efea5f01d8f72d5c965439343.exe	30
PID 1720 wrote to memory of 1668	1720	0222fc9efea5f01d8f72d5c965439343.exe	30
PID 1720 wrote to memory of 1668	1720	0222fc9efea5f01d8f72d5c965439343.exe	30
PID 1720 wrote to memory of 1668	1720	0222fc9efea5f01d8f72d5c965439343.exe	30
PID 1720 wrote to memory of 1668	1720	0222fc9efea5f01d8f72d5c965439343.exe	30
PID 1668 wrote to memory of 2868	1668	0222fc9efea5f01d8f72d5c965439343.tmp	31
PID 1668 wrote to memory of 2868	1668	0222fc9efea5f01d8f72d5c965439343.tmp	31
PID 1668 wrote to memory of 2868	1668	0222fc9efea5f01d8f72d5c965439343.tmp	31
PID 1668 wrote to memory of 2868	1668	0222fc9efea5f01d8f72d5c965439343.tmp	31
PID 1668 wrote to memory of 2716	1668	0222fc9efea5f01d8f72d5c965439343.tmp	32
PID 1668 wrote to memory of 2716	1668	0222fc9efea5f01d8f72d5c965439343.tmp	32
PID 1668 wrote to memory of 2716	1668	0222fc9efea5f01d8f72d5c965439343.tmp	32
PID 1668 wrote to memory of 2716	1668	0222fc9efea5f01d8f72d5c965439343.tmp	32

C:\Users\Admin\AppData\Local\Temp\0222fc9efea5f01d8f72d5c965439343.exe
"C:\Users\Admin\AppData\Local\Temp\0222fc9efea5f01d8f72d5c965439343.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\is-G7M71.tmp\0222fc9efea5f01d8f72d5c965439343.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-G7M71.tmp\0222fc9efea5f01d8f72d5c965439343.tmp" /SL5="$600CA,3726069,54272,C:\Users\Admin\AppData\Local\Temp\0222fc9efea5f01d8f72d5c965439343.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:1668
- - 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:2868
- - 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:2716

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 \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

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_iscrypt.dll

Path \Users\Admin\AppData\Local\Temp\is-CJTU5.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

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_shfoldr.dll

Path \Users\Admin\AppData\Local\Temp\is-CJTU5.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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0222fc9efea5f01d8f72d5c965439343.tmp

Path \Users\Admin\AppData\Local\Temp\is-G7M71.tmp\0222fc9efea5f01d8f72d5c965439343.tmp
Size 692KB
SHA256 6059cf705655b57218e452b220a688be54e99f4e98b94c7b35ec6334625c301c
MD5 7901b5c892a015cc6087c6dcf2d1bfc0
SHA1 dfdce2ac1340a9472a821eace02cf32cb413ad86
SHA512 338f064a3adfe32f8bb1c929af3c1687c602a0cd62ffcd6a9d5a3987b7f00a2035cb54aeb6eea852a19b0cda2c03111d1d4e2e03bdbdfc2e547ea01871a569d8
SSDEEP 12288:thu7eEcdCP8trP837szHUA6JCzS9Ntc3l3ER6orNjURhFDExyF:Pu7eEYCP8trP837szHUA60SLtcV3E9kT
MD5 SHA1 SHA512 SSDEEP

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memory/1668-11-0x0000000000400000-0x00000000004BD000-memory.dmp

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memory/1668-56-0x00000000036A0000-0x0000000003AB5000-memory.dmp

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memory/1668-72-0x00000000036A0000-0x0000000003AB5000-memory.dmp

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memory/1668-67-0x0000000000400000-0x00000000004BD000-memory.dmp

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memory/1720-66-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/1720-0-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/1720-2-0x0000000000401000-0x000000000040B000-memory.dmp

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memory/2716-68-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-97-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-113-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-110-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-71-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-106-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-75-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-78-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-81-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-84-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-85-0x00000000024C0000-0x0000000002562000-memory.dmp

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memory/2716-91-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-94-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-64-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-100-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2716-103-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2868-57-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2868-58-0x0000000000400000-0x0000000000815000-memory.dmp

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memory/2868-62-0x0000000000400000-0x0000000000815000-memory.dmp

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