socks5systemz | 397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f

General

Target

397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.exe
Size

2.0MB
MD5

4f5a4adcfb920c76674c95717d8643b4
SHA1

11a86a9430fddde287a7c1d5b4cefb8db4fc3e3d
SHA256

397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f
SHA512

cc6f5331d483368ea2f2bd4e24233f27521e9b96747eea567863751dafb646cd9a2a0df19f0b7c46ca540bd44953052d16cf330363f6e4f7b8c4189229fb0c56
SSDEEP

49152:J2yVWDv7eHOCxx3srLG5Bg0t6VCvPYd7fN3F+nlAhmd/ljj0blHn1/:cn7MOcx3srOgVCCzhmjQxV/

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bwbamgf.com/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffd13c3ed9c9b3b

http://bwbamgf.com/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12eab517aa5c96bd86ec978144865a8bbc896c58e713bc90c91136b5281fc235a925ed3e55d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee979838cf669716

Signatures

Detect Socks5Systemz Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2212-65-0x0000000000890000-0x0000000000932000-memory.dmp	family_socks5systemz
behavioral1/memory/2212-69-0x0000000000890000-0x0000000000932000-memory.dmp	family_socks5systemz
behavioral1/memory/2212-78-0x0000000000890000-0x0000000000932000-memory.dmp	family_socks5systemz
behavioral1/memory/2212-91-0x0000000000890000-0x0000000000932000-memory.dmp	family_socks5systemz
behavioral1/memory/2212-92-0x0000000000890000-0x0000000000932000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3844	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp
1212	whitetigeraudio.exe
2212	whitetigeraudio.exe

Loads dropped DLL 3 IoCs

pid	Process
3844	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp
3844	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp
3844	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.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 FindShellTrayWindow 1 IoCs

pid	Process
3844	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 3844	1836	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.exe	87
PID 1836 wrote to memory of 3844	1836	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.exe	87
PID 1836 wrote to memory of 3844	1836	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.exe	87
PID 3844 wrote to memory of 1212	3844	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp	90
PID 3844 wrote to memory of 1212	3844	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp	90
PID 3844 wrote to memory of 1212	3844	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp	90
PID 3844 wrote to memory of 2212	3844	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp	91
PID 3844 wrote to memory of 2212	3844	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp	91
PID 3844 wrote to memory of 2212	3844	397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp	91

C:\Users\Admin\AppData\Local\Temp\397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.exe
"C:\Users\Admin\AppData\Local\Temp\397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Users\Admin\AppData\Local\Temp\is-C2704.tmp\397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-C2704.tmp\397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp" /SL5="$5006A,1768446,120832,C:\Users\Admin\AppData\Local\Temp\397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3844
- - C:\Users\Admin\AppData\Local\White Tiger Audio\whitetigeraudio.exe
    "C:\Users\Admin\AppData\Local\White Tiger Audio\whitetigeraudio.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1212
- - C:\Users\Admin\AppData\Local\White Tiger Audio\whitetigeraudio.exe
    "C:\Users\Admin\AppData\Local\White Tiger Audio\whitetigeraudio.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2212

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\Temp\is-C2704.tmp\397e125b8792247f24c7e63145461ef7ca5577e611cf81681cdc84567a90878f.tmp

Filesize
680KB

MD5
0a0e2c968bf76330938872fd9785966b

SHA1
67149bc21b07f774a00dc241539365efa39594d1

SHA256
09c696b72f9d9a8dd0d3b036d4496c4a441985c37ac93950fa1cb18338b0c67b

SHA512
e1d8de25f8a7eb98bfb9e63caa92de38a2d15cce99491209c54fed1b50f255e7dbb62e943f04786a74de0166b0a6d2399e3dfc20c3fb0f30350c761b572c97ac

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\White Tiger Audio\whitetigeraudio.exe

Filesize
2.2MB

MD5
0c248502ac4b450abdc8ffdf95eeaca9

SHA1
97fedcc85aa1915369972abda3c7670b0c5aff35

SHA256
9e1e33afb3da7b6d6b6f88405f3d7a585b1361fbf20e23189ba759d74b2a056a

SHA512
c77a1b473e480612e3ddbf68a2d59523f0dab2c5df775a3e0bc7222a77447e06895390c982a82161bb50ff4ee723e9823795f2fbf1311c6c9a54c0e80848793f

Download Submit
memory/1212-37-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/1212-38-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/1212-41-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/1212-51-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/1836-46-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1836-2-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1836-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2212-54-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-87-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-99-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-48-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-96-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-43-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-53-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-92-0x0000000000890000-0x0000000000932000-memory.dmp

Filesize
648KB

Download
memory/2212-57-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-60-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-63-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-65-0x0000000000890000-0x0000000000932000-memory.dmp

Filesize
648KB

Download
memory/2212-68-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-69-0x0000000000890000-0x0000000000932000-memory.dmp

Filesize
648KB

Download
memory/2212-74-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-77-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-78-0x0000000000890000-0x0000000000932000-memory.dmp

Filesize
648KB

Download
memory/2212-81-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-84-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-45-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-90-0x0000000000400000-0x0000000000631000-memory.dmp

Filesize
2.2MB

Download
memory/2212-91-0x0000000000890000-0x0000000000932000-memory.dmp

Filesize
648KB

Download
memory/3844-7-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/3844-49-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/3844-47-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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