socks5systemz | 01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93

General

Target

01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.exe
Size

4.8MB
MD5

e613d8f6cfe611b719658a2da4eab0b3
SHA1

d9c405c2d682ba2faf6f3584cc58051916a83f29
SHA256

01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93
SHA512

b8d8cf59ad1921e165010a9a4e2703a4f6055962e100283aea8af866e83983ff59fe803d10ccc7617cb3561767ab7eb57c45ee1bf368e725bf7865ce940c6c3e
SSDEEP

98304:m/oqHDKli6zJOz6XmMUiSUwvvI5NU/MJKmwkjrzLh7xjx8diF0K7H:mvRje+vIPsxCr3h7xl8EF0O

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bppqsxb.com

http://bppqsxb.com/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff713c7ee919d3e

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4428-87-0x0000000000910000-0x00000000009B2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmpmoonvoiceassist.exemoonvoiceassist.exe

pid process

2276 01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp
4832 moonvoiceassist.exe
4428 moonvoiceassist.exe
Loads dropped DLL 1 IoCs

Processes:

01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp

pid process

2276 01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 141.98.234.31
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 FindShellTrayWindow 1 IoCs

Processes:

01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp

pid process

2276 01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp

pid	process
2276	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp
4832	moonvoiceassist.exe
4428	moonvoiceassist.exe

pid	process
2276	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
2276	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.exe01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp

description	pid	process	target process
PID 2956 wrote to memory of 2276	2956	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.exe	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp
PID 2956 wrote to memory of 2276	2956	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.exe	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp
PID 2956 wrote to memory of 2276	2956	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.exe	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp
PID 2276 wrote to memory of 4832	2276	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp	moonvoiceassist.exe
PID 2276 wrote to memory of 4832	2276	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp	moonvoiceassist.exe
PID 2276 wrote to memory of 4832	2276	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp	moonvoiceassist.exe
PID 2276 wrote to memory of 4428	2276	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp	moonvoiceassist.exe
PID 2276 wrote to memory of 4428	2276	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp	moonvoiceassist.exe
PID 2276 wrote to memory of 4428	2276	01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp	moonvoiceassist.exe

C:\Users\Admin\AppData\Local\Temp\01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.exe
"C:\Users\Admin\AppData\Local\Temp\01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2956

C:\Users\Admin\AppData\Local\Temp\is-O925K.tmp\01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp
"C:\Users\Admin\AppData\Local\Temp\is-O925K.tmp\01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp" /SL5="$10004C,4788945,54272,C:\Users\Admin\AppData\Local\Temp\01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2276

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe" -i
3⤵
- Executes dropped EXE
PID:4832

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe" -s
3⤵
- Executes dropped EXE
PID:4428

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\Moon Voice Assist\moonvoiceassist.exe
Filesize
3.2MB

MD5
5b371b708637d64513240a7f3074932b

SHA1
cba9d427fc992c9c85b1a851e1509aaee295c0b1

SHA256
4b130e8136a225430c0f86707b0d453d9263dabd980113ddcb8c41a5a2c15fca

SHA512
4d17f926d5cbe4f0c76769ed5f0696ac85af61c2ddb18ede94535b5c2cbd8871c73cf2315c00130e58bb7682e39956922d34d3b75df3eb018d0215a102b1c8e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4RM8Q.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-O925K.tmp\01c7cd82d46f75a7d2629cce226d352bad56701737df265977789ade87e1cb93.tmp
Filesize
680KB

MD5
b69bf30e5f252cfcf7d82c84f8374a82

SHA1
4730c8a8a06df84e640f6ebc2aaa6f1236405f04

SHA256
d84b7d9a290803b0f334562ef81c1048c271d37fb9bc2d819fce473f26cb364b

SHA512
278be468edc57b6774c81755b8334eb9084eb683eeedc7d7537e6b6fdc2c104ba5392e98853dcd4e8ae052e7ca92a880b34b10c46096cfc2bc5034a15e46e52a

Download Submit
memory/2276-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2276-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2956-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2956-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2956-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4428-95-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-87-0x0000000000910000-0x00000000009B2000-memory.dmp

Filesize
648KB

Download
memory/4428-68-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-117-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-114-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-71-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-74-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-75-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-78-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-81-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-84-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-110-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-89-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-107-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-98-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-101-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4428-104-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4832-59-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4832-65-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4832-60-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download
memory/4832-64-0x0000000000400000-0x000000000072C000-memory.dmp

Filesize
3.2MB

Download

Analysis

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