socks5systemz | 068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d

General

Target

068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.exe
Size

5.2MB
MD5

8499ebd4bafd18340944702b365019d3
SHA1

03059915f8a88c2c3db7f611f3e004dbbf5141c6
SHA256

068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d
SHA512

61c95b2b0c27e9e667210abecd8572b245336ef1885ed382e3db0f2ad835d44a2eb174eb04c0c0b2d3e8977eedcfeead2465937f7ef8c406576fd2ccab0a773c
SSDEEP

98304:mS0H/EAdLjSI4CEitmfsr/r1ZCN+Zjbj6Hsrm2czrOujZzbI9ZbChQ:aH/ECLjSxpS/hZhZjbjUsrmbnZzb2ZbD

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/584-90-0x0000000002410000-0x00000000024B2000-memory.dmp	family_socks5systemz
behavioral2/memory/584-116-0x0000000002410000-0x00000000024B2000-memory.dmp	family_socks5systemz
behavioral2/memory/584-117-0x0000000002410000-0x00000000024B2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1592	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp
2208	soundermidiplayer.exe
584	soundermidiplayer.exe

Loads dropped DLL 3 IoCs

pid	Process
1592	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp
1592	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp
1592	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.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
1592	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 1592	4760	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.exe	78
PID 4760 wrote to memory of 1592	4760	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.exe	78
PID 4760 wrote to memory of 1592	4760	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.exe	78
PID 1592 wrote to memory of 2208	1592	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp	80
PID 1592 wrote to memory of 2208	1592	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp	80
PID 1592 wrote to memory of 2208	1592	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp	80
PID 1592 wrote to memory of 584	1592	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp	81
PID 1592 wrote to memory of 584	1592	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp	81
PID 1592 wrote to memory of 584	1592	068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp	81

C:\Users\Admin\AppData\Local\Temp\068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.exe
"C:\Users\Admin\AppData\Local\Temp\068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4760
- C:\Users\Admin\AppData\Local\Temp\is-Q8KED.tmp\068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-Q8KED.tmp\068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp" /SL5="$4020C,5159041,54272,C:\Users\Admin\AppData\Local\Temp\068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1592
- - C:\Users\Admin\AppData\Local\Sounder Midi Player\soundermidiplayer.exe
    "C:\Users\Admin\AppData\Local\Sounder Midi Player\soundermidiplayer.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2208
- - C:\Users\Admin\AppData\Local\Sounder Midi Player\soundermidiplayer.exe
    "C:\Users\Admin\AppData\Local\Sounder Midi Player\soundermidiplayer.exe" -s
    3⤵
    - Executes dropped EXE
    PID:584

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\Sounder Midi Player\soundermidiplayer.exe

Filesize
2.2MB

MD5
0cf9fbf6826e2d19f1653da9968a0477

SHA1
b99378b907e8166e9cbf71720d9f46e1265ea119

SHA256
4cfe6e6b1ffb7bce9b083a28c320d5b64708f1a3023fc36e0e85f69c1a1d9223

SHA512
82130c97c1126d82130420dc74ba2ea874819dbdb569a87ae84f26133222c08f572a3526efc16b0bff971e2838f8654495534300212a7665efcf7723033815df

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6R8HI.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-6R8HI.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q8KED.tmp\068a6797c2ab26e5c30305e6cba04d2cfbc373e566970f11ef1478682373409d.tmp

Filesize
680KB

MD5
af4f96df3d9d7d29a967714fc3663b1c

SHA1
c27a9f2ad1ba0cc2ad94954800a42bb87cbfcedb

SHA256
01ee813456c1103255b6a82aa802896b440ab086d567debaa6343e6df81317c4

SHA512
86abe1efa53bd18c2df22f5712de954a533563d27311e4b052626f30225d5883930c158fbf960bf7e32619ad2c84a863ac4fe53b44692c49935d700da7c7cad5

Download Submit
memory/584-100-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-106-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-124-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-121-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-117-0x0000000002410000-0x00000000024B2000-memory.dmp

Filesize
648KB

Download
memory/584-116-0x0000000002410000-0x00000000024B2000-memory.dmp

Filesize
648KB

Download
memory/584-74-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-115-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-112-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-109-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-77-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-80-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-83-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-86-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-89-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-90-0x0000000002410000-0x00000000024B2000-memory.dmp

Filesize
648KB

Download
memory/584-95-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/584-103-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/1592-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1592-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2208-66-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/2208-65-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/2208-71-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/2208-69-0x0000000000400000-0x000000000062C000-memory.dmp

Filesize
2.2MB

Download
memory/4760-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4760-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4760-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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