socks5systemz | 14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18

General

Target

14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe
Size

4.5MB
MD5

a392e5918e481544a786d7f6e5b3c029
SHA1

b19dd103ec830e6e9b6a8ab9b7fa2bc786a6daba
SHA256

14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18
SHA512

81d621bb9efd5553f0acfb5657fb57549837f8980553c01a21eb2fc0ddd5e0425bcbf8fea04a302fed7f93c43722e4091d182ffa5daa44777f6ea9bfd591a3dc
SSDEEP

98304:mNHemAgeTbFhVyhbvN2/7+w7KLacOog45vs2lDELxegUwGYx5:meYkFhVUbvpjvjyxe9m

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bxsnozu.com

http://bxsnozu.com/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ed9c933a

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3500-83-0x0000000000980000-0x0000000000A22000-memory.dmp	family_socks5systemz

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

Processes:

14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

4996 14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp
4320 playercloudfree32.exe
3500 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp

pid process

4996 14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.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 45.155.250.90
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:

14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp

pid process

4996 14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp

pid	process
4996	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp
4320	playercloudfree32.exe
3500	playercloudfree32.exe

pid	process
4996	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
4996	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp

description	pid	process	target process
PID 2428 wrote to memory of 4996	2428	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp
PID 2428 wrote to memory of 4996	2428	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp
PID 2428 wrote to memory of 4996	2428	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp
PID 4996 wrote to memory of 4320	4996	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp	playercloudfree32.exe
PID 4996 wrote to memory of 4320	4996	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp	playercloudfree32.exe
PID 4996 wrote to memory of 4320	4996	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp	playercloudfree32.exe
PID 4996 wrote to memory of 3500	4996	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp	playercloudfree32.exe
PID 4996 wrote to memory of 3500	4996	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp	playercloudfree32.exe
PID 4996 wrote to memory of 3500	4996	14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe
"C:\Users\Admin\AppData\Local\Temp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2428

C:\Users\Admin\AppData\Local\Temp\is-VM07S.tmp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp
"C:\Users\Admin\AppData\Local\Temp\is-VM07S.tmp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp" /SL5="$501FC,4492655,54272,C:\Users\Admin\AppData\Local\Temp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4996

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:4320

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:3500

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

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Downloads

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
Filesize
2.7MB

MD5
ad737a4e7e860b7b2c106d8da360a530

SHA1
92a8eedb9de2ba7a768a8cee4a82d9134be5e09d

SHA256
6b5041c01c4275ac8bbe76e90b5df54b54807404b3251e3ecfc1055ab44f62cc

SHA512
69e696d78d547a9f9ecb392fdc32be6a01f8b404acc9b7ea43bebc74b6242b40e8646ffde12dac696e45eae9f636b01503d2794963088356ed33bdcc0062e2a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VM07S.tmp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
\Users\Admin\AppData\Local\Temp\is-BH0IS.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2428-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2428-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2428-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3500-99-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-93-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-129-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-124-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-121-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-68-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-71-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-74-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-77-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-80-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-83-0x0000000000980000-0x0000000000A22000-memory.dmp

Filesize
648KB

Download
memory/3500-85-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-90-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-118-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-96-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-115-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-102-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-105-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-109-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/3500-112-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/4320-61-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/4320-59-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/4320-63-0x0000000000400000-0x00000000006B9000-memory.dmp

Filesize
2.7MB

Download
memory/4996-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4996-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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