socks5systemz | 4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca

General

Target

4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.exe
Size

6.2MB
MD5

e7b3be02efc776e8143caae588b8c5d6
SHA1

0c81f7394213ac21b0e300c5f088f2c155a2d92f
SHA256

4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca
SHA512

7179b59d0f880dd2599aeadd2ae868e5091c611fa549b96643790004ff36022ba94df44380b2d5063f493379a56ebd1ad712c445adb8d79e40c2faaf9eb3a88b
SSDEEP

98304:mmbImfOqoX5c4ktzdzOUQlL5IGahoVcfruP2EgJ1wTlEcSAucwan/v8VZwBC5Z0:Fvfz4iQ55Itopluolpuen38QB4+

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/4700-86-0x0000000000BA0000-0x0000000000C42000-memory.dmp	family_socks5systemz
behavioral2/memory/4700-109-0x0000000000BA0000-0x0000000000C42000-memory.dmp	family_socks5systemz
behavioral2/memory/4700-110-0x0000000000BA0000-0x0000000000C42000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3880	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.tmp
1828	galaxymusicstudio32.exe
4700	galaxymusicstudio32.exe

Loads dropped DLL 1 IoCs

pid	Process
3880	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3880	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 3880	3428	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.exe	80
PID 3428 wrote to memory of 3880	3428	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.exe	80
PID 3428 wrote to memory of 3880	3428	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.exe	80
PID 3880 wrote to memory of 1828	3880	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.tmp	82
PID 3880 wrote to memory of 1828	3880	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.tmp	82
PID 3880 wrote to memory of 1828	3880	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.tmp	82
PID 3880 wrote to memory of 4700	3880	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.tmp	83
PID 3880 wrote to memory of 4700	3880	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.tmp	83
PID 3880 wrote to memory of 4700	3880	4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.tmp	83

C:\Users\Admin\AppData\Local\Temp\4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.exe
"C:\Users\Admin\AppData\Local\Temp\4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\is-PD4RK.tmp\4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-PD4RK.tmp\4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.tmp" /SL5="$5021C,6267756,54272,C:\Users\Admin\AppData\Local\Temp\4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3880
- - C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe
    "C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1828
- - C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe
    "C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4700

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\Galaxy Music Studio\galaxymusicstudio32.exe

Filesize
4.7MB

MD5
60c1d91a4fda1df60fe1f07d28ce4b43

SHA1
5f46888b3bdbb8596cd2e038410f1a753637f65c

SHA256
f23498e52bef49c1458dfdf6dcc7b422b7d9aecef4ad12656b90b7117752ee72

SHA512
66dd610857d28ee941c0210652c1a67ffc3b3b92d1abdee37ef474c419778fce329ab6ef16d976b5e1a1813cac5c9c54de9c42f5b850944588768cc926db3589

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-L612K.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PD4RK.tmp\4745a2498f4b05a5977b7e871b6767f50f507e444ca73d753f1eaef86d9903ca.tmp

Filesize
680KB

MD5
332acef4530330e3bead1e8232276cb1

SHA1
f7d7ede7a07bb4994cc7331419236943a259df4a

SHA256
253a980f2b805b6bbdf017c8e93288c32ccf364251006d164f2420b5abc9326a

SHA512
206ceb60cb18781f0d3bbb4543507ad235684279fb580f3679a70f1f6e06b309ed47a975077ea62ff81b96b1b1c696500b24c060b29247ca9bccd8fb98884f40

Download Submit
memory/1828-59-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/1828-63-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/1828-65-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/1828-60-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/3428-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3428-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3428-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3880-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3880-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4700-74-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-96-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-68-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-77-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-80-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-83-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-86-0x0000000000BA0000-0x0000000000C42000-memory.dmp

Filesize
648KB

Download
memory/4700-90-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-93-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-71-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-99-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-102-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-105-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-108-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-109-0x0000000000BA0000-0x0000000000C42000-memory.dmp

Filesize
648KB

Download
memory/4700-110-0x0000000000BA0000-0x0000000000C42000-memory.dmp

Filesize
648KB

Download
memory/4700-114-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download
memory/4700-117-0x0000000000400000-0x00000000008BF000-memory.dmp

Filesize
4.7MB

Download

Analysis

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