socks5systemz | 777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa

General

Target

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe
Size

5.0MB
MD5

5caa366d1efe02cff18ee6d4d8d9fb56
SHA1

e2cbbfeaa67ad193736e08d057f92e4481834adc
SHA256

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa
SHA512

7a4fa9328dbb475d28540ffbe6c271d184b6d5b516ce5511c57ab5324643ffdeda8109ba07866c15d7a33f9f4514d8c94ced87fb1c8b3b89de8c00f290700311
SSDEEP

98304:mfb6skPJXWcPhKyx1F+CLmUEo6MflGimy356qVtc4s0EReZbL0N5E6SmdQ9zcBG:M5kPJBPM0FWklVJdm4sZMHgENmdQ9wBG

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ccxojym.net

http://ccxojym.net/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec9c933b

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3388-84-0x0000000002560000-0x0000000002602000-memory.dmp	family_socks5systemz

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

Processes:

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmpsvomediaplayer.exesvomediaplayer.exe

pid process

4648 777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
4444 svomediaplayer.exe
3388 svomediaplayer.exe
Loads dropped DLL 1 IoCs

Processes:

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

pid process

4648 777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.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:

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

pid process

4648 777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

pid	process
4648	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
4444	svomediaplayer.exe
3388	svomediaplayer.exe

pid	process
4648	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
4648	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

description	pid	process	target process
PID 4768 wrote to memory of 4648	4768	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
PID 4768 wrote to memory of 4648	4768	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
PID 4768 wrote to memory of 4648	4768	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
PID 4648 wrote to memory of 4444	4648	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 4648 wrote to memory of 4444	4648	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 4648 wrote to memory of 4444	4648	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 4648 wrote to memory of 3388	4648	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 4648 wrote to memory of 3388	4648	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe
PID 4648 wrote to memory of 3388	4648	777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp	svomediaplayer.exe

C:\Users\Admin\AppData\Local\Temp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe
"C:\Users\Admin\AppData\Local\Temp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4768

C:\Users\Admin\AppData\Local\Temp\is-4H1M3.tmp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp
"C:\Users\Admin\AppData\Local\Temp\is-4H1M3.tmp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp" /SL5="$502DE,4978193,54272,C:\Users\Admin\AppData\Local\Temp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4648

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -i
3⤵
- Executes dropped EXE
PID:4444

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -s
3⤵
- Executes dropped EXE
PID:3388

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\SVO Media Player\svomediaplayer.exe

Filesize
3.2MB

MD5
3b12c7a7a5a7bca107784597793bbf08

SHA1
7f7768cb78dc96126487ec1dd294ce629d11c9f9

SHA256
2ae5fa0dbb3274ed901fc031862b371e0ff34865b8fd76f9c3525f9ea84cff28

SHA512
451ebcd7c3283de341c6fed85c6cd4a5921a276ec565f18b1e960f66d896fe25f32d022f0d0929d4bff4927cca9e34f1772a3b8f2441cb5284292e7bef719955

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4H1M3.tmp\777402d9b676812bcf6538b694c1d1c5d47ac27e449e1954971010d9222a18aa.tmp

Filesize
680KB

MD5
f37cd0eb17015c4634d4612386a59e08

SHA1
db484a81b4e8e6bc1d5333d984e8bdca356b444a

SHA256
028c13f7b44b54dbb1020946769a780424d6116dc7f3f23273b8c09bb4984761

SHA512
1649a8c3b043dbe65c2ce63e29fbba04fc6b764f772dc20b61cca40e2eea9d5dea72fd07ddc1e058064664781080fe21def72cf59fc531a0e2b78fd2c8065852

Download Submit
\Users\Admin\AppData\Local\Temp\is-GGA95.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/3388-100-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-103-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-130-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-125-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-122-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-119-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-116-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-113-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-69-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-72-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-75-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-78-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-81-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-84-0x0000000002560000-0x0000000002602000-memory.dmp

Filesize
648KB

Download
memory/3388-86-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-91-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-94-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-97-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-110-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/3388-106-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/4444-64-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/4444-60-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/4444-59-0x0000000000400000-0x0000000000737000-memory.dmp

Filesize
3.2MB

Download
memory/4648-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4768-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4768-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4768-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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