socks5systemz | 6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73

General

Target

6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.exe
Size

5.4MB
MD5

fa3e57568a80f0fc9645580e116073b7
SHA1

50316634f825ccf113025f90f5d42932fa15771b
SHA256

6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73
SHA512

ddba647307dd7d8511455c9384ab5e59bef5d5c94985bcdd71522f2b3ec84a111f304c4ca213dc7b6d23d1b68400fb15cf47d17fd016521b60d7a08377353b77
SSDEEP

98304:Q4N6dmm6N9lXWr6NfJJ2yqNjIl3CLJuPbJtUiR6eaVuPmWj524KiqB5:rm+Wr6lJJjqa3cElqiYwPmIhKiM5

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3324-189-0x00000000009F0000-0x0000000000A92000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
3740	6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.tmp
3324	syncplayer.exe

Loads dropped DLL 1 IoCs

pid	Process
3740	6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.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	6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syncplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3740	6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.tmp

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 3740	3940	6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.exe	84
PID 3940 wrote to memory of 3740	3940	6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.exe	84
PID 3940 wrote to memory of 3740	3940	6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.exe	84
PID 3740 wrote to memory of 3324	3740	6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.tmp	88
PID 3740 wrote to memory of 3324	3740	6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.tmp	88
PID 3740 wrote to memory of 3324	3740	6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.tmp	88

C:\Users\Admin\AppData\Local\Temp\6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.exe
"C:\Users\Admin\AppData\Local\Temp\6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Users\Admin\AppData\Local\Temp\is-U83FG.tmp\6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-U83FG.tmp\6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.tmp" /SL5="$60062,5447822,54272,C:\Users\Admin\AppData\Local\Temp\6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3740
- - C:\Users\Admin\AppData\Local\SyncPlayer 1.7.11\syncplayer.exe
    "C:\Users\Admin\AppData\Local\SyncPlayer 1.7.11\syncplayer.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3324

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

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Downloads

C:\Users\Admin\AppData\Local\SyncPlayer 1.7.11\syncplayer.exe

Filesize
2.9MB

MD5
203e10c6534ace5bbf9cf4bd1d9b0edd

SHA1
49444dbefd78331d2e096e2b6bf48b44d9f182fd

SHA256
9e3ea9a0a275b2cb2476187fa6b0606de3f8a985180ceaa328cf29d14204801d

SHA512
6c31e958616a03d7875b22bdbaaab1ba2299eb40f3f00810fbc83bfc81ef2f26eae863935cefc4a58bc3b7fa6d93ca9ff990a5ef4c13c7612d9bfbe19ebcb643

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-NLS5T.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-U83FG.tmp\6149442dd86bfc531381f60b8e418b8cae8bc2e6e8b8d4ba8654689a73d50b73.tmp

Filesize
688KB

MD5
d582799ad904c1aa36fe4836d4aa481c

SHA1
414f9cb6dd1710a3bfc1bb053a50c73aa5046f29

SHA256
5c487f0a86547e0572ed370ffd7a509350fed3eeba0c1cdff226674be4baf244

SHA512
ac2816d74c9cc271c8cad6b1c42a413d2d8828e653080585db5453b38e1aeb70196d1c7b85cc2fb74211e71bab3ed3850ba75b4dfb01a48f7a6d3426a455e580

Download Submit
memory/3324-179-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-202-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-218-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-164-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-165-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-168-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-215-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-211-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-173-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-172-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-176-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-208-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-182-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-185-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-188-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-189-0x00000000009F0000-0x0000000000A92000-memory.dmp

Filesize
648KB

Download
memory/3324-195-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-198-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-199-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3324-205-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/3740-10-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3740-169-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3940-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3940-170-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3940-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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