socks5systemz | 17c98b33f87befc913c8d67314190cd05597717c49090b50d8c8a04f6ad22e2f

General

Target

2ec886d8770da09928682590d15d7404.exe
Size

3.8MB
MD5

2ec886d8770da09928682590d15d7404
SHA1

56e22d3d0272c3cbc4abb8ed2e5c2507f70eac5c
SHA256

17c98b33f87befc913c8d67314190cd05597717c49090b50d8c8a04f6ad22e2f
SHA512

454570cab426425c0ef8804e8b27cb9aebac490c6c087aff116a690430b2e12e0f74b7ac9573fed6e0ad9d4a2ba7d07b802843728102735000a99095a585b103
SSDEEP

98304:xdogpKn3xqbthT3457Gj822hIY/h77nnxan4PiJ9xx9bpmBeE:DogpS3EhUwwh/Bg8o9dbpmBeE

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/4520-104-0x0000000000850000-0x00000000008F2000-memory.dmp	family_socks5systemz
behavioral2/memory/4520-128-0x0000000000850000-0x00000000008F2000-memory.dmp	family_socks5systemz
behavioral2/memory/4520-129-0x0000000000850000-0x00000000008F2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
3588	is-KIV6F.tmp
4520	superplay3_3264.exe

Loads dropped DLL 1 IoCs

pid	Process
3588	is-KIV6F.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

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	superplay3_3264.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ec886d8770da09928682590d15d7404.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	is-KIV6F.tmp

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 3588	3872	2ec886d8770da09928682590d15d7404.exe	84
PID 3872 wrote to memory of 3588	3872	2ec886d8770da09928682590d15d7404.exe	84
PID 3872 wrote to memory of 3588	3872	2ec886d8770da09928682590d15d7404.exe	84
PID 3588 wrote to memory of 4520	3588	is-KIV6F.tmp	87
PID 3588 wrote to memory of 4520	3588	is-KIV6F.tmp	87
PID 3588 wrote to memory of 4520	3588	is-KIV6F.tmp	87

C:\Users\Admin\AppData\Local\Temp\2ec886d8770da09928682590d15d7404.exe
"C:\Users\Admin\AppData\Local\Temp\2ec886d8770da09928682590d15d7404.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Users\Admin\AppData\Local\Temp\is-69UMG.tmp\is-KIV6F.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-69UMG.tmp\is-KIV6F.tmp" /SL4 $50212 "C:\Users\Admin\AppData\Local\Temp\2ec886d8770da09928682590d15d7404.exe" 3756095 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3588
- - C:\Users\Admin\AppData\Local\Super Play 3\superplay3_3264.exe
    "C:\Users\Admin\AppData\Local\Super Play 3\superplay3_3264.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4520

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

C:\Users\Admin\AppData\Local\Super Play 3\superplay3_3264.exe

Filesize
3.4MB

MD5
1b46202194d6a15fd291e373466c9988

SHA1
83350a463d48844070ac5bdffb8869f7da951a30

SHA256
a0f318d0200872b4d54fd56ad7baab9ed2b11cf0a1a4cd3034874e5d9c086cf0

SHA512
6cb37a56cf15d5b67b5983e296c0f83318f1bf06a37409860472ee87094991e96a35601fd2560d66121fe59310c0c34f09c051535845e219c8248bb40ee13e69

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-69UMG.tmp\is-KIV6F.tmp

Filesize
647KB

MD5
5ec1c51da61b4f15b2f40339d7d1df7c

SHA1
bab46af9f3d1d78130d73951022b163720bc040f

SHA256
ae8d36e1edc71bcb37c4636e2c8b364698f0238039cb7e12571022a94fb66897

SHA512
b2b208e0b9d3508bf958dda89d16286921664833de9d237ec61cc9402f36ce380cc361dcf4b1373505af6e56254515c74f49d58a099c5da90f9052697342825e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-I4V1G.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/3588-84-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3588-10-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3872-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3872-2-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/3872-85-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4520-94-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-111-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-80-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-87-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-88-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-91-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-79-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-97-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-100-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-103-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-104-0x0000000000850000-0x00000000008F2000-memory.dmp

Filesize
648KB

Download
memory/4520-83-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-114-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-115-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-118-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-121-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-124-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-127-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-128-0x0000000000850000-0x00000000008F2000-memory.dmp

Filesize
648KB

Download
memory/4520-129-0x0000000000850000-0x00000000008F2000-memory.dmp

Filesize
648KB

Download
memory/4520-133-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download
memory/4520-136-0x0000000000400000-0x0000000000771000-memory.dmp

Filesize
3.4MB

Download

Analysis

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