socks5systemz | 275c6aabe5b320cc88136bd6e04eb7a0613eceb74c9ef2a1177d5f8413cecf07

General

Target

275c6aabe5b320cc88136bd6e04eb7a0613eceb74c9ef2a1177d5f8413cecf07.exe
Size

6.5MB
MD5

7e08a9a10271accd6b96bc1438a8f638
SHA1

e12ca579fa30bfc8b1325afacd945b0a8bbd8832
SHA256

275c6aabe5b320cc88136bd6e04eb7a0613eceb74c9ef2a1177d5f8413cecf07
SHA512

099375bb0ae1c6bef9271ec4cd5877a089ef4a56b7d0fa4c6fc0a5ff2be1219bbf75b173dccf73db3b63d8e55b8aa2925e7548fbfd7905f0ea6d8aaffdf9edfb
SSDEEP

196608:HEuZX/0UocGXOydma86CALudt4wtqySzc6K3w:HEuZX/0Ud2V+daUY8w

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2872-83-0x0000000000980000-0x0000000000A22000-memory.dmp	family_socks5systemz
behavioral1/memory/2872-105-0x0000000000980000-0x0000000000A22000-memory.dmp	family_socks5systemz
behavioral1/memory/2872-106-0x0000000000980000-0x0000000000A22000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1768	is-L4PGL.tmp
1396	totalvideoplayer32_64.exe
2872	totalvideoplayer32_64.exe

Loads dropped DLL 1 IoCs

pid	Process
1768	is-L4PGL.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	45.155.250.90

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 WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 1768	4864	275c6aabe5b320cc88136bd6e04eb7a0613eceb74c9ef2a1177d5f8413cecf07.exe	83
PID 4864 wrote to memory of 1768	4864	275c6aabe5b320cc88136bd6e04eb7a0613eceb74c9ef2a1177d5f8413cecf07.exe	83
PID 4864 wrote to memory of 1768	4864	275c6aabe5b320cc88136bd6e04eb7a0613eceb74c9ef2a1177d5f8413cecf07.exe	83
PID 1768 wrote to memory of 1396	1768	is-L4PGL.tmp	87
PID 1768 wrote to memory of 1396	1768	is-L4PGL.tmp	87
PID 1768 wrote to memory of 1396	1768	is-L4PGL.tmp	87
PID 1768 wrote to memory of 2872	1768	is-L4PGL.tmp	88
PID 1768 wrote to memory of 2872	1768	is-L4PGL.tmp	88
PID 1768 wrote to memory of 2872	1768	is-L4PGL.tmp	88

C:\Users\Admin\AppData\Local\Temp\275c6aabe5b320cc88136bd6e04eb7a0613eceb74c9ef2a1177d5f8413cecf07.exe
"C:\Users\Admin\AppData\Local\Temp\275c6aabe5b320cc88136bd6e04eb7a0613eceb74c9ef2a1177d5f8413cecf07.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Users\Admin\AppData\Local\Temp\is-RMNFR.tmp\is-L4PGL.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-RMNFR.tmp\is-L4PGL.tmp" /SL4 $70046 "C:\Users\Admin\AppData\Local\Temp\275c6aabe5b320cc88136bd6e04eb7a0613eceb74c9ef2a1177d5f8413cecf07.exe" 6509512 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1768
- - C:\Users\Admin\AppData\Local\Total Video Player\totalvideoplayer32_64.exe
    "C:\Users\Admin\AppData\Local\Total Video Player\totalvideoplayer32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1396
- - C:\Users\Admin\AppData\Local\Total Video Player\totalvideoplayer32_64.exe
    "C:\Users\Admin\AppData\Local\Total Video Player\totalvideoplayer32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2872

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-7M02S.tmp\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RMNFR.tmp\is-L4PGL.tmp

Filesize
642KB

MD5
e4f203bdb1990fb662b78636bf3f09dc

SHA1
a8f3ca823cb1c238b912fed70f46542a8266aa0f

SHA256
5d11e9591891aced587eb75cd3c448ebcb819c3e27300d209953b687a728c555

SHA512
e2596ad2d8c15366d262769b0ed0770a8a792f211b4e79cceafb9a17e3e55eea38face7e12347e95ff9442e2e89b7ec1e5dcc89caadad7b321781adadcb526db

Download Submit
C:\Users\Admin\AppData\Local\Total Video Player\totalvideoplayer32_64.exe

Filesize
3.0MB

MD5
4c41b3637e7c63c9aa617ef05d529c47

SHA1
0064463147643e1dd4ca7baa96acf12f6ac85f33

SHA256
5312c63609d20b338b40a31826daffb1032b2992475df2a01ef4d15cea699cdd

SHA512
3622538febd5824800a851ac9527b7e725c77a2b35678c9d3cc04735a51f917fadd7713193b46bd96d8992fec1d271d1516ac35ce2751077f375c98a9b7cb594

Download Submit
memory/1396-61-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/1396-57-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/1396-59-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/1768-66-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/1768-9-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/2872-73-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-104-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-113-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-110-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-67-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-70-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-106-0x0000000000980000-0x0000000000A22000-memory.dmp

Filesize
648KB

Download
memory/2872-76-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-79-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-82-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-83-0x0000000000980000-0x0000000000A22000-memory.dmp

Filesize
648KB

Download
memory/2872-89-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-92-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-95-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-98-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-101-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-64-0x0000000000400000-0x0000000000706000-memory.dmp

Filesize
3.0MB

Download
memory/2872-105-0x0000000000980000-0x0000000000A22000-memory.dmp

Filesize
648KB

Download
memory/4864-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4864-2-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/4864-65-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

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