socks5systemz | 8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba

General

Target

8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.exe
Size

4.8MB
MD5

c5cbb7ae4ce987ab447f284e2418b39d
SHA1

3019a74e17480361a9f7f8e1d95f1b796454530d
SHA256

8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba
SHA512

5aa931992f698fc6de62afd7d22cdf84b5f72dcffd2fe93dd36df080f445eef3ee5b82cf08944c4ddd4e38f7241c7960fd2381634158e8ec2e88770b96242653
SSDEEP

98304:mj+t3qnZfMg6EvGFZ391CcBmWLxa00weEsz0ukYncE:2i3AZUiG73CcBmv5zfcE

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aioaqtg.ru

http://aioaqtg.ru/search/?q=67e28dd8655df07d165afd1f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff712c4ed949d38

http://aioaqtg.ru/search/?q=67e28dd8655df07d165afd1f7c27d78406abdd88be4b12eab517aa5c96bd86ee95844a885a8bbc896c58e713bc90c91936b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d993fcf6e9115

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3788-88-0x0000000000A60000-0x0000000000B02000-memory.dmp	family_socks5systemz
behavioral2/memory/3788-111-0x0000000000A60000-0x0000000000B02000-memory.dmp	family_socks5systemz
behavioral2/memory/3788-112-0x0000000000A60000-0x0000000000B02000-memory.dmp	family_socks5systemz

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

Processes:

8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmpm4atomp3freeconverter.exem4atomp3freeconverter.exe

pid process

4036 8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp
1908 m4atomp3freeconverter.exe
3788 m4atomp3freeconverter.exe
Loads dropped DLL 1 IoCs

Processes:

8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp

pid process

4036 8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.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:

8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp

pid process

4036 8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp

pid	process
4036	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp
1908	m4atomp3freeconverter.exe
3788	m4atomp3freeconverter.exe

pid	process
4036	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
4036	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.exe8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp

description	pid	process	target process
PID 3812 wrote to memory of 4036	3812	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.exe	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp
PID 3812 wrote to memory of 4036	3812	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.exe	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp
PID 3812 wrote to memory of 4036	3812	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.exe	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp
PID 4036 wrote to memory of 1908	4036	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp	m4atomp3freeconverter.exe
PID 4036 wrote to memory of 1908	4036	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp	m4atomp3freeconverter.exe
PID 4036 wrote to memory of 1908	4036	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp	m4atomp3freeconverter.exe
PID 4036 wrote to memory of 3788	4036	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp	m4atomp3freeconverter.exe
PID 4036 wrote to memory of 3788	4036	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp	m4atomp3freeconverter.exe
PID 4036 wrote to memory of 3788	4036	8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp	m4atomp3freeconverter.exe

C:\Users\Admin\AppData\Local\Temp\8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.exe
"C:\Users\Admin\AppData\Local\Temp\8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3812

C:\Users\Admin\AppData\Local\Temp\is-57CJR.tmp\8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp
"C:\Users\Admin\AppData\Local\Temp\is-57CJR.tmp\8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp" /SL5="$1301EA,4757022,54272,C:\Users\Admin\AppData\Local\Temp\8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4036

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:1908

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:3788

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
Filesize
2.9MB

MD5
20d113357a3e4673a9173b9358b7f997

SHA1
159779bb0b5a64530805687203dc42c7025ad14b

SHA256
6849d5798692e61ecc0635989f5690f806593fd27951f780e2732162ce32668a

SHA512
7881f5a9b087315a6b7e6e88e5a8c56307accc40e68c4145512b43d41b1a5a036ee82b8f7beda76303f14381aee27b76fce2cabf883fb51abe9e2ae4644c165c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-57CJR.tmp\8d8743f5f1eabae664e41dad00603f5a177a7bd52e36493dd8f1194c432656ba.tmp
Filesize
680KB

MD5
dafff71ba13e58daac2c21ed0ed54458

SHA1
ec169d6088ee3a539030ef630164dae1dd7d9a80

SHA256
167c4af51c1b261fc6bc53d7e4eab5cc5408ac4953518f1dcd129dbe62aca9fb

SHA512
ecd2f14d391892f82efea278949c0a20367bec0eefef159ad44915d008b462ba0ffb5b00175c5b7f9b9e1f2779f9ed562eb39cf143dd9f44b550f96a7c9bc719

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IQ4V8.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1908-63-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1908-65-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1908-60-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/1908-59-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-76-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-88-0x0000000000A60000-0x0000000000B02000-memory.dmp

Filesize
648KB

Download
memory/3788-119-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-67-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-69-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-116-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-112-0x0000000000A60000-0x0000000000B02000-memory.dmp

Filesize
648KB

Download
memory/3788-72-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-75-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-111-0x0000000000A60000-0x0000000000B02000-memory.dmp

Filesize
648KB

Download
memory/3788-79-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-82-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-85-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-110-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-89-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-95-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-98-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-101-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-104-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3788-107-0x0000000000400000-0x00000000006EE000-memory.dmp

Filesize
2.9MB

Download
memory/3812-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3812-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3812-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4036-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4036-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing