socks5systemz | a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51

General

Target

a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.exe
Size

4.4MB
MD5

0c3c837b8af4290f68bca2f488bc0481
SHA1

bc0a393aee5792135f3a0585dbd041073027abbc
SHA256

a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51
SHA512

24000935afabaae02f94a1bb03b885fb7b978f7290775bd7e2588372d029c100acdc582f29ddc05c21bcd95e75f28e79cd351baad3a4b033767260e67f905ef2
SSDEEP

98304:mfXlB+ltWIVNhD8XGj49jesPk26B9xWaw50rONnUY8GH+ZZw/k:qXPnGjVsPlAbqZ+Y8GH+ZZw/k

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ckgoidy.net

http://ckgoidy.net/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c5e99d9b3a

http://ckgoidy.net/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12eab517aa5c96bd86ec958349865a8bbc896c58e713bc90c91a36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9d3ecb679717

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4812-88-0x00000000009E0000-0x0000000000A82000-memory.dmp	family_socks5systemz
behavioral2/memory/4812-112-0x00000000009E0000-0x0000000000A82000-memory.dmp	family_socks5systemz
behavioral2/memory/4812-113-0x00000000009E0000-0x0000000000A82000-memory.dmp	family_socks5systemz

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

Processes:

a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

1596 a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp
1680 playercloudfree32.exe
4812 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp

pid process

1596 a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.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:

a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp

pid process

1596 a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp

pid	process
1596	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp
1680	playercloudfree32.exe
4812	playercloudfree32.exe

pid	process
1596	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
1596	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.exea89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp

description	pid	process	target process
PID 4808 wrote to memory of 1596	4808	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.exe	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp
PID 4808 wrote to memory of 1596	4808	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.exe	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp
PID 4808 wrote to memory of 1596	4808	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.exe	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp
PID 1596 wrote to memory of 1680	1596	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp	playercloudfree32.exe
PID 1596 wrote to memory of 1680	1596	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp	playercloudfree32.exe
PID 1596 wrote to memory of 1680	1596	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp	playercloudfree32.exe
PID 1596 wrote to memory of 4812	1596	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp	playercloudfree32.exe
PID 1596 wrote to memory of 4812	1596	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp	playercloudfree32.exe
PID 1596 wrote to memory of 4812	1596	a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.exe
"C:\Users\Admin\AppData\Local\Temp\a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4808

C:\Users\Admin\AppData\Local\Temp\is-12396.tmp\a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp
"C:\Users\Admin\AppData\Local\Temp\is-12396.tmp\a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp" /SL5="$A0070,4381922,54272,C:\Users\Admin\AppData\Local\Temp\a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1596

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -i
3⤵
- Executes dropped EXE
PID:1680

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -s
3⤵
- Executes dropped EXE
PID:4812

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\FanPlayer Cloud Free\playercloudfree32.exe
Filesize
2.6MB

MD5
9c115ad60e8aa29e4f5cec66046a6963

SHA1
63dcd2c2a1842a83e935202d870a22e13372650e

SHA256
5e9edbefbc1402bec1b9440eb87456104f7c57f87ab289b347dec13ddccc3b29

SHA512
ed090ddff684c7282540ae22eaf9477b0916661ee607c113abcee07a9c37ac576f86abd0842d54102fc59407941be3b1bc51a551c261b9738b8a3628c5dcb4f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-12396.tmp\a89cf984403322f7bc5a3e8af819dae68410c6e331952e993ce23d6c726a7f51.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1596-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1596-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1680-59-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1680-61-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1680-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1680-64-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4808-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4808-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4808-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4812-76-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-91-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-72-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-75-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-68-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-79-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-82-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-85-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-88-0x00000000009E0000-0x0000000000A82000-memory.dmp

Filesize
648KB

Download
memory/4812-69-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-96-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-99-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-102-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-105-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-108-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-111-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-112-0x00000000009E0000-0x0000000000A82000-memory.dmp

Filesize
648KB

Download
memory/4812-113-0x00000000009E0000-0x0000000000A82000-memory.dmp

Filesize
648KB

Download
memory/4812-117-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4812-120-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download

Analysis

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