socks5systemz | 871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4

General

Target

871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe
Size

6.3MB
MD5

4c34abe559275375d71522d0e9f4c931
SHA1

9b0a7b14cc22a221ef9cdcdfed00367c594a4658
SHA256

871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4
SHA512

640be4d94904295e866dfc65fed4d8691953284d509d95b06eb86c0eb0037d260b597d7e4f1833e3451ba9934ff12a030b1ee523f5e94a158c4448c0e39e49d9
SSDEEP

196608:bJOGlcExxpwcemAjQwceQpSR1rA/xPJmVJ5iF4C:bUGL136jXhQp0rA+55C

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1996-180-0x0000000002920000-0x00000000029C2000-memory.dmp	family_socks5systemz
behavioral1/memory/1996-203-0x0000000002920000-0x00000000029C2000-memory.dmp	family_socks5systemz
behavioral1/memory/1996-204-0x0000000002920000-0x00000000029C2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 2 IoCs

pid	Process
1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp
1996	syncplayer32_64.exe

Loads dropped DLL 6 IoCs

pid	Process
3004	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe
1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp
1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp
1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp
1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp
1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.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 3 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	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syncplayer32_64.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp
1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 1728	3004	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe	30
PID 3004 wrote to memory of 1728	3004	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe	30
PID 3004 wrote to memory of 1728	3004	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe	30
PID 3004 wrote to memory of 1728	3004	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe	30
PID 3004 wrote to memory of 1728	3004	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe	30
PID 3004 wrote to memory of 1728	3004	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe	30
PID 3004 wrote to memory of 1728	3004	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe	30
PID 1728 wrote to memory of 1996	1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp	31
PID 1728 wrote to memory of 1996	1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp	31
PID 1728 wrote to memory of 1996	1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp	31
PID 1728 wrote to memory of 1996	1728	871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp	31

C:\Users\Admin\AppData\Local\Temp\871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe
"C:\Users\Admin\AppData\Local\Temp\871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\is-5L5PD.tmp\871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-5L5PD.tmp\871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp" /SL5="$30144,6310560,54272,C:\Users\Admin\AppData\Local\Temp\871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.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:1728
- - C:\Users\Admin\AppData\Local\SyncPlayer 4.2.2\syncplayer32_64.exe
    "C:\Users\Admin\AppData\Local\SyncPlayer 4.2.2\syncplayer32_64.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1996

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\SyncPlayer 4.2.2\syncplayer32_64.exe

Filesize
2.9MB

MD5
34c29bc1e6f0a75c75b995dfb8a168dd

SHA1
e509982deaaa51dd941c7d568d00daff232fa519

SHA256
83462e86e071f39aca25ad7f2112101b1b93e9e722e39a3dc36428e53b6fa1a1

SHA512
dc98345c247c2629a2c9cf22c98879e7b539fa93c953143f2719d593c0388a3d9b7568dd2eb7d0ca6640c8fc4211a239d4acfc1eb1a270caa2b8d1982dc9ab2f

Download Submit
\Users\Admin\AppData\Local\Temp\is-5L5PD.tmp\871b6e5b29c958ce5f6e16d76e19b491a7caa9c226614852c990a938e792eef4.tmp

Filesize
692KB

MD5
5be27e6994dfe0643e852b3e7672ddb0

SHA1
ac9f8408292b387d039cf21bddd6424d5c393d4f

SHA256
7345a48775eedf53d4e72d23d0e1ec011bd2e7689e2d3862a5cc9816ba5288b1

SHA512
19a58ae437e212ed430ebde0e0d2d62c839f1fc01f4d289aba524cc7bd44557b927548f02b04d79744c479454e39c0494fc9417f5fb675e400783d68175c591b

Download Submit
\Users\Admin\AppData\Local\Temp\is-K3Q51.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-K3Q51.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
\Users\Admin\AppData\Local\Temp\is-K3Q51.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1728-161-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1728-190-0x0000000003990000-0x0000000003C7F000-memory.dmp

Filesize
2.9MB

Download
memory/1728-11-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1728-155-0x0000000003990000-0x0000000003C7F000-memory.dmp

Filesize
2.9MB

Download
memory/1996-167-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-186-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-157-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-211-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-164-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-208-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-170-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-173-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-176-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-179-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-180-0x0000000002920000-0x00000000029C2000-memory.dmp

Filesize
648KB

Download
memory/1996-158-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-189-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-204-0x0000000002920000-0x00000000029C2000-memory.dmp

Filesize
648KB

Download
memory/1996-193-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-196-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-199-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-202-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/1996-203-0x0000000002920000-0x00000000029C2000-memory.dmp

Filesize
648KB

Download
memory/3004-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3004-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3004-162-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing