socks5systemz | fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630f

General

Target

fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe
Size

4.2MB
MD5

14d0694a693ba65335b2404f3cc54310
SHA1

3be0c605103dce36867643b09861cf17accc3451
SHA256

fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630f
SHA512

ccba663090d55785c1391db66b43b33bc7e4b36670f440cd69a296e31fbb6bc75f6078f48b5599d3c5ecb663cc443ae720c1bdffc8e2a80a18a601db280cf0f6
SSDEEP

98304:mQNUPs6cv999CIgObKeB8iyKn5Nhq5OjbmAYHz2R7z7q:vP6u99JgOpVy25NUOihT2RP+

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2672-106-0x0000000002A40000-0x0000000002AE2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2936	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp
2672	softartsvc32.exe

Loads dropped DLL 5 IoCs

pid	Process
2720	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe
2936	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp
2936	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp
2936	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp
2936	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp

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

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	softartsvc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2936	2720	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe	30
PID 2720 wrote to memory of 2936	2720	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe	30
PID 2720 wrote to memory of 2936	2720	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe	30
PID 2720 wrote to memory of 2936	2720	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe	30
PID 2720 wrote to memory of 2936	2720	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe	30
PID 2720 wrote to memory of 2936	2720	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe	30
PID 2720 wrote to memory of 2936	2720	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe	30
PID 2936 wrote to memory of 2672	2936	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp	31
PID 2936 wrote to memory of 2672	2936	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp	31
PID 2936 wrote to memory of 2672	2936	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp	31
PID 2936 wrote to memory of 2672	2936	fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp	31

C:\Users\Admin\AppData\Local\Temp\fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe
"C:\Users\Admin\AppData\Local\Temp\fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Users\Admin\AppData\Local\Temp\is-FTS42.tmp\fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-FTS42.tmp\fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp" /SL5="$5014E,4154501,54272,C:\Users\Admin\AppData\Local\Temp\fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc32.exe
    "C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2672

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

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

\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc32.exe

Filesize
3.0MB

MD5
851311c78baf76bd30ea157c774cf9a3

SHA1
6e70ab9b7c0300d09acba5b05904b56bb9478d0f

SHA256
de70f9f1da0fe55a91c564fdb95bbf052afe263a82686fe0e267c9f967d937a8

SHA512
a15a4fd2b2300e116e5276d831edc8a2640d373bff7433ce6d71bedac5a66ddf3e22211f0b94c8ee6cd8f1abe05c071a239d45177d61d9c33256ff4d1d2a1fac

Download Submit
\Users\Admin\AppData\Local\Temp\is-FTS42.tmp\fac7197c6c5e3e19cc9ca49813dc1be918fe442fa2ab529f231b7a8816c5630fN.tmp

Filesize
677KB

MD5
fd9a043395f5e065baeb5a5343812fdd

SHA1
17830b401d73b434d0228f30176f2e8ea56ee5ec

SHA256
b47b1bf8b35055ee54b2a21e24725d8590a9a3eca32e6a1e3aaca99ca54a2fb9

SHA512
3a52f79e3defbaa764289cfb1cd4421e3edd8c205d99f8330401ca4c27ae13bedfa27f74046d9c3527d4403218ae0f7236c9ffe566762f5a9983829fc855bdb1

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2672-90-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-93-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-119-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-83-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-125-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-84-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-122-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-112-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-106-0x0000000002A40000-0x0000000002AE2000-memory.dmp

Filesize
648KB

Download
memory/2672-115-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-96-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-99-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-102-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2672-105-0x0000000000400000-0x0000000000717000-memory.dmp

Filesize
3.1MB

Download
memory/2720-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2720-88-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2720-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2936-87-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2936-116-0x0000000005930000-0x0000000005C47000-memory.dmp

Filesize
3.1MB

Download
memory/2936-9-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2936-81-0x0000000005930000-0x0000000005C47000-memory.dmp

Filesize
3.1MB

Download

Analysis

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