socks5systemz | 3b08c0bf59dee045ad9806283fc13bb12d81815b37494f5909303ce7ad212592

General

Target

0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe
Size

3.3MB
MD5

ffc40c13789292372ba1e3dbe57a8f98
SHA1

8e9c1d8263fa1334a334a838e7da9babe9e73ab3
SHA256

0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4
SHA512

ec00fd4616c3936b638f4d8fe08975a5f3cf4f462c12f0d01c0472339a77dcffdbd9f2c4fbf77748bd8ddb6e43b3ca1b5b9bb4869619eb088f6263637e12d1eb
SSDEEP

98304:MB4PgMBVUgk5vd/ztpg6M+pJTyOwgYwvg9Ozy:OMsJNJzwwYOpe9

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/2620-70-0x0000000002C40000-0x0000000002CE2000-memory.dmp	family_socks5systemz
behavioral1/memory/2620-92-0x0000000002C40000-0x0000000002CE2000-memory.dmp	family_socks5systemz
behavioral1/memory/2620-93-0x0000000002C40000-0x0000000002CE2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp
2620	batchaviconverter32_64.exe

Loads dropped DLL 6 IoCs

pid	Process
2232	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe
2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp
2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp
2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp
2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp
2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.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	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	batchaviconverter32_64.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp
2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2744	2232	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe	30
PID 2232 wrote to memory of 2744	2232	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe	30
PID 2232 wrote to memory of 2744	2232	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe	30
PID 2232 wrote to memory of 2744	2232	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe	30
PID 2232 wrote to memory of 2744	2232	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe	30
PID 2232 wrote to memory of 2744	2232	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe	30
PID 2232 wrote to memory of 2744	2232	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe	30
PID 2744 wrote to memory of 2620	2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp	31
PID 2744 wrote to memory of 2620	2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp	31
PID 2744 wrote to memory of 2620	2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp	31
PID 2744 wrote to memory of 2620	2744	0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp	31

C:\Users\Admin\AppData\Local\Temp\0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe
"C:\Users\Admin\AppData\Local\Temp\0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\is-NJ8KI.tmp\0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-NJ8KI.tmp\0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp" /SL5="$400F4,3168538,56832,C:\Users\Admin\AppData\Local\Temp\0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.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:2744
- - C:\Users\Admin\AppData\Local\Batch AVI Converter\batchaviconverter32_64.exe
    "C:\Users\Admin\AppData\Local\Batch AVI Converter\batchaviconverter32_64.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2620

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

\Users\Admin\AppData\Local\Batch AVI Converter\batchaviconverter32_64.exe

Filesize
2.4MB

MD5
d76d6e8f837846bbc32f950511805ea1

SHA1
d8bd5f7e3ccc245dc6f71dcb874dc0aecdab7a86

SHA256
e8e12301aacd244acfc0af9706e6d997b857227c5e4abe2ddd486655f5b3b673

SHA512
a40b303935b65ff5e4fb5ad05486410959472dc9c263c142e72bf881dbdcdacb766014c238210e75447ed0d593fda82101a9a63421f34ae0fddda9b161bd4766

Download Submit
\Users\Admin\AppData\Local\Temp\is-H3BQV.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-H3BQV.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
\Users\Admin\AppData\Local\Temp\is-H3BQV.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-NJ8KI.tmp\0c7aaf640120bd6ee174f9a5db14dd22c689815b3a0965bb951de5a52ca896d4.tmp

Filesize
690KB

MD5
f02c8c4b73c31fd56fd90dc77235363b

SHA1
8438360794ab53372730afafc976925b51d135ab

SHA256
8a8eebe5d778b9da7c563719cde8dac42b9d0c534827a5f979a6c09e3834b351

SHA512
3a8238a412ebc9574f1c34ee8371f0c49dcbec43aa674eaaa98dae11280b1046c94f7545dad5b87d7ae29b34bb78e18fdd17d982915d99f2fae113ac96d30e66

Download Submit
memory/2232-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2232-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2232-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2620-82-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-66-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-46-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-100-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-97-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-93-0x0000000002C40000-0x0000000002CE2000-memory.dmp

Filesize
648KB

Download
memory/2620-54-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-53-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-57-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-60-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-63-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-45-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-69-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-70-0x0000000002C40000-0x0000000002CE2000-memory.dmp

Filesize
648KB

Download
memory/2620-76-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-79-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-92-0x0000000002C40000-0x0000000002CE2000-memory.dmp

Filesize
648KB

Download
memory/2620-85-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-88-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2620-91-0x0000000000400000-0x000000000066B000-memory.dmp

Filesize
2.4MB

Download
memory/2744-8-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2744-43-0x0000000003400000-0x000000000366B000-memory.dmp

Filesize
2.4MB

Download
memory/2744-50-0x0000000003400000-0x000000000366B000-memory.dmp

Filesize
2.4MB

Download
memory/2744-49-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

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