socks5systemz | fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49

General

Target

fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe
Size

4.2MB
MD5

1b407df95a2d5afdde748e586dcbc2dd
SHA1

63913b5534a060cebea34f8e5103190f78ef96a0
SHA256

fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49
SHA512

c9e6e22eb9dfad7347c8a19bb5e862472977d47cb003d48be5ee536d767defcb31191fed63be36469142d18681b9dff16427c1bbdfff38de1be5c88f463d04c2
SSDEEP

98304:IMgMjGDTviWlYCP6/mReh1h+9EP9lZNTPmsYBW+yzEq:rgMjGfXYCP6/WePA9uljmsYBhoEq

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2736-105-0x00000000028D0000-0x0000000002972000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp
2736	softartsvc.exe

Loads dropped DLL 5 IoCs

pid	Process
1236	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe
3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp
3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp
3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp
3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.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

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	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	softartsvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp
3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 3060	1236	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe	30
PID 1236 wrote to memory of 3060	1236	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe	30
PID 1236 wrote to memory of 3060	1236	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe	30
PID 1236 wrote to memory of 3060	1236	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe	30
PID 1236 wrote to memory of 3060	1236	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe	30
PID 1236 wrote to memory of 3060	1236	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe	30
PID 1236 wrote to memory of 3060	1236	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe	30
PID 3060 wrote to memory of 2736	3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp	31
PID 3060 wrote to memory of 2736	3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp	31
PID 3060 wrote to memory of 2736	3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp	31
PID 3060 wrote to memory of 2736	3060	fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp	31

C:\Users\Admin\AppData\Local\Temp\fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe
"C:\Users\Admin\AppData\Local\Temp\fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\is-G8KRG.tmp\fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-G8KRG.tmp\fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp" /SL5="$30144,4075621,54272,C:\Users\Admin\AppData\Local\Temp\fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.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:3060
- - C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc.exe
    "C:\Users\Admin\AppData\Local\SoftArts Video Converter\softartsvc.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2736

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\SoftArts Video Converter\softartsvc.exe

Filesize
2.7MB

MD5
4db67a78a8ad56f624262e4849d7de1b

SHA1
3efd26410c8dd9cc7afeea0df5fda5153dc2dc42

SHA256
954e7379d68ea53c2f71b13e687010408051f2ae88c34c9e026c63cdd6342bd8

SHA512
c61e9c9cfe783c31257fca46a42179141ae278699cc7ff4d106a6a09e3b8b2a663e2e8f779ed35a9eaad60c25e141b74c394d5c7cc8f4fb84c2d229c44d0bbe7

Download Submit
\Users\Admin\AppData\Local\Temp\is-G8KRG.tmp\fc2d3e19c5cb32d13436dd0ace4a26f11ee94c73dacff09ad1b57c494948ea49.tmp

Filesize
689KB

MD5
45c00318572f7f1428f34486affd7fb2

SHA1
be7685f75e22b77ba889da303b1d82990db66238

SHA256
a87ddeb19277ae5e4f2d2fb191dd6c3d17e8cfde405f7abe1c2086c3f3c4ea6c

SHA512
1a32d691ae03cb94a77cceb4a68e1ece0293a04cbaedea633ff2c3feeafd455022a39fe9ba59512a935d76f51cb68e960a8fc2bf0bfdff459184afb03d0586b4

Download Submit
\Users\Admin\AppData\Local\Temp\is-UN974.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-UN974.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1236-87-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1236-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1236-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2736-95-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-105-0x00000000028D0000-0x0000000002972000-memory.dmp

Filesize
648KB

Download
memory/2736-83-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-134-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-82-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-89-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-92-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-131-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-98-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-101-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-104-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-127-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-111-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-114-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-124-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-118-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/2736-121-0x0000000000400000-0x00000000006C0000-memory.dmp

Filesize
2.8MB

Download
memory/3060-115-0x00000000056E0000-0x00000000059A0000-memory.dmp

Filesize
2.8MB

Download
memory/3060-80-0x00000000056E0000-0x00000000059A0000-memory.dmp

Filesize
2.8MB

Download
memory/3060-8-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3060-86-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

Sharing