socks5systemz | d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9

General

Target

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe
Size

4.8MB
MD5

8080398d520a25b1587e9a975b3cfd42
SHA1

df73aa7ca5771aacb26951a294485be7d1071a2d
SHA256

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9
SHA512

cae9d1ab580e0989366a8ab9308b896bbd346b2c8cfc93f8fe9754ddf1e1b4ba881adf3619ed6c4ca55f16754f0af53c3355029dba2287b842441cb1d2a3c482
SSDEEP

98304:mDElCwuwp9ZaV8i6habMdAPqkpcoE9sv0NFMQV0d9SnODaE181dkAU:4wXp9sVN9ao9pEsc/1V0d9/aE1IBU

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ccodshc.net

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1584-85-0x0000000000AB0000-0x0000000000B52000-memory.dmp	family_socks5systemz

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

Processes:

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmpm4atomp3freeconverter.exem4atomp3freeconverter.exe

pid process

952 d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
2268 m4atomp3freeconverter.exe
1584 m4atomp3freeconverter.exe
Loads dropped DLL 1 IoCs

Processes:

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

pid process

952 d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 152.89.198.214
Destination IP 91.211.247.248
Destination IP 91.211.247.248
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:

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

pid process

952 d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

pid	process
952	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
2268	m4atomp3freeconverter.exe
1584	m4atomp3freeconverter.exe

pid	process
952	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	91.211.247.248

pid	process
952	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exed16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp

description	pid	process	target process
PID 1652 wrote to memory of 952	1652	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
PID 1652 wrote to memory of 952	1652	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
PID 1652 wrote to memory of 952	1652	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
PID 952 wrote to memory of 2268	952	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe
PID 952 wrote to memory of 2268	952	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe
PID 952 wrote to memory of 2268	952	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe
PID 952 wrote to memory of 1584	952	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe
PID 952 wrote to memory of 1584	952	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe
PID 952 wrote to memory of 1584	952	d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp	m4atomp3freeconverter.exe

C:\Users\Admin\AppData\Local\Temp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe
"C:\Users\Admin\AppData\Local\Temp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\is-90CLS.tmp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
"C:\Users\Admin\AppData\Local\Temp\is-90CLS.tmp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp" /SL5="$5006A,4802338,54272,C:\Users\Admin\AppData\Local\Temp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:952

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -i
3⤵
- Executes dropped EXE
PID:2268

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -s
3⤵
- Executes dropped EXE
PID:1584

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\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
Filesize
2.9MB

MD5
ec3f28daf42949c6aa1bcb4e66c22535

SHA1
f613902a277ce0d893548eec4b6eb2335283261d

SHA256
856151ce65a749d0c28c3712a4d24f0072bad2c64807002fe71e7517325f2d16

SHA512
4d48396fd8dc176a24b0f64cb6cc914104f1d51e99cbe4d3a0d22d5ef9b5c92b99bee57c5594db50c6c3d8c0f847b283cdb343e316b46869094084d5c98607ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-90CLS.tmp\d16c5d97363c38f50a244f206655cdc40b0f9d715573b335659ff41e34fb6de9.tmp
Filesize
680KB

MD5
dafff71ba13e58daac2c21ed0ed54458

SHA1
ec169d6088ee3a539030ef630164dae1dd7d9a80

SHA256
167c4af51c1b261fc6bc53d7e4eab5cc5408ac4953518f1dcd129dbe62aca9fb

SHA512
ecd2f14d391892f82efea278949c0a20367bec0eefef159ad44915d008b462ba0ffb5b00175c5b7f9b9e1f2779f9ed562eb39cf143dd9f44b550f96a7c9bc719

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LJ0P2.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/952-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/952-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1584-97-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-103-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-115-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-112-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-109-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-68-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-106-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-100-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-71-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-74-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-77-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-80-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-83-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-85-0x0000000000AB0000-0x0000000000B52000-memory.dmp

Filesize
648KB

Download
memory/1584-89-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1584-94-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1652-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1652-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1652-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2268-59-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2268-65-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2268-60-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/2268-62-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download

Analysis

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