socks5systemz | 456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f

General

Target

456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.exe
Size

5.1MB
MD5

656da4e8d58ffb5106563bd53c8ee75b
SHA1

e430f2f363424d378fcbe4ec3450b858b7648880
SHA256

456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f
SHA512

84b713b78ee89310ad95718499642d3a548d1faf2194995a4d37955275711be04f9319f023f2eef3fcffb1cadb76c305646c822ac54b9b05c9578a9b97dfffe3
SSDEEP

98304:mcWdfgQlT4BWTtJFxScRC+q+JlB0dUSOkGbC6JIAJQIyDR:noaBWTT1//TiUXDnNI

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/2052-94-0x0000000000900000-0x00000000009A2000-memory.dmp	family_socks5systemz
behavioral2/memory/2052-118-0x0000000000900000-0x00000000009A2000-memory.dmp	family_socks5systemz
behavioral2/memory/2052-119-0x0000000000900000-0x00000000009A2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3796	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp
1936	soundnormalizer32.exe
2052	soundnormalizer32.exe

Loads dropped DLL 3 IoCs

pid	Process
3796	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp
3796	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp
3796	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.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	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.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 3796	2952	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.exe	83
PID 2952 wrote to memory of 3796	2952	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.exe	83
PID 2952 wrote to memory of 3796	2952	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.exe	83
PID 3796 wrote to memory of 1936	3796	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp	85
PID 3796 wrote to memory of 1936	3796	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp	85
PID 3796 wrote to memory of 1936	3796	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp	85
PID 3796 wrote to memory of 2052	3796	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp	86
PID 3796 wrote to memory of 2052	3796	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp	86
PID 3796 wrote to memory of 2052	3796	456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp	86

C:\Users\Admin\AppData\Local\Temp\456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.exe
"C:\Users\Admin\AppData\Local\Temp\456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Users\Admin\AppData\Local\Temp\is-LFCE6.tmp\456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-LFCE6.tmp\456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp" /SL5="$E004C,5090801,54272,C:\Users\Admin\AppData\Local\Temp\456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3796
- - C:\Users\Admin\AppData\Local\Sound Normalizer\soundnormalizer32.exe
    "C:\Users\Admin\AppData\Local\Sound Normalizer\soundnormalizer32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1936
- - C:\Users\Admin\AppData\Local\Sound Normalizer\soundnormalizer32.exe
    "C:\Users\Admin\AppData\Local\Sound Normalizer\soundnormalizer32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Sound Normalizer\soundnormalizer32.exe

Filesize
2.3MB

MD5
f50232f1ed6724539c163fd9899b4865

SHA1
43063e36995cbc888ec372461a4355a5c94074b1

SHA256
d980f252db597a47cafc0a9fe5e828d45eee0f316cb1cc323f7860f963e05406

SHA512
c6eb9ae51ffe9e9dd51d5ecd79284e89c79ce0e3f7a16807a9137494423ef9662eac4a2fdc74e3b0efff2c08769fef1ac3ac5afcd40075a0a924ecf2a725557c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-H88L6.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-H88L6.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LFCE6.tmp\456d59855de357997c62a5ae94fd8efbf6a1563bc0d88ec572b0a19feb7bc53f.tmp

Filesize
677KB

MD5
9f921cdacae738e34d928ac66d9a50a1

SHA1
b206e7ff0a0c34c8bce21c749fd07f35cec8e092

SHA256
39f229d47ef1f48e676babc0b37debf1ed15293a3cf2b26fef5485052665de2a

SHA512
a9896734fd2f67e959b4cab6a13760c3bfb470de62f002b021cec9b1a1fa323f6702d6f3be39b12e5f0adcf0df50ac5b8a1fefc82d46715027ef55f86c539a66

Download Submit
memory/1936-66-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1936-71-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1936-68-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1936-65-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-81-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-94-0x0000000000900000-0x00000000009A2000-memory.dmp

Filesize
648KB

Download
memory/2052-126-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-73-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-75-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-123-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-119-0x0000000000900000-0x00000000009A2000-memory.dmp

Filesize
648KB

Download
memory/2052-78-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-118-0x0000000000900000-0x00000000009A2000-memory.dmp

Filesize
648KB

Download
memory/2052-82-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-85-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-88-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-91-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-117-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-96-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-102-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-105-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-108-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-111-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2052-114-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/2952-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2952-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2952-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3796-10-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3796-77-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

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