socks5systemz | 6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb

General

Target

6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe
Size

4.5MB
MD5

fd2b436ea5c8555bb35085871409eabe
SHA1

a570c2b2bfb4bb9b6fc392a388f0cba0b6238b36
SHA256

6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb
SHA512

8dc06775cc2214c5437cae66e8ecc3a312be4509f438fcdf59d3c0811df3b374091bea3a84b716c7c806fd475ef230bce3788b06e3d4a7fbb86e22dcd463435b
SSDEEP

98304:mVyTc5P1eSgNeGdaQ/JxspGwlD7AgcyfT+Ybon4qpvQx:MCc5P1gwGdR+p9lD6ybpErpvK

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bpbzydi.com

http://bpbzydi.com/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c5ef959c3e

http://bpbzydi.com/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12eab517aa5c96bd86ee97874a875a8bbc896c58e713bc90c91b36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9d3ecd6f9013

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4480-85-0x00000000028A0000-0x0000000002942000-memory.dmp	family_socks5systemz
behavioral1/memory/4480-108-0x00000000028A0000-0x0000000002942000-memory.dmp	family_socks5systemz
behavioral1/memory/4480-109-0x00000000028A0000-0x0000000002942000-memory.dmp	family_socks5systemz

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

Processes:

6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

3408 6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
3656 playercloudfree32.exe
4480 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp

pid process

3408 6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.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:

6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp

pid process

3408 6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp

pid	process
3408	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
3656	playercloudfree32.exe
4480	playercloudfree32.exe

pid	process
3408	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
3408	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp

description	pid	process	target process
PID 1928 wrote to memory of 3408	1928	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
PID 1928 wrote to memory of 3408	1928	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
PID 1928 wrote to memory of 3408	1928	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
PID 3408 wrote to memory of 3656	3408	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp	playercloudfree32.exe
PID 3408 wrote to memory of 3656	3408	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp	playercloudfree32.exe
PID 3408 wrote to memory of 3656	3408	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp	playercloudfree32.exe
PID 3408 wrote to memory of 4480	3408	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp	playercloudfree32.exe
PID 3408 wrote to memory of 4480	3408	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp	playercloudfree32.exe
PID 3408 wrote to memory of 4480	3408	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe
"C:\Users\Admin\AppData\Local\Temp\6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1928

C:\Users\Admin\AppData\Local\Temp\is-FUID4.tmp\6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
"C:\Users\Admin\AppData\Local\Temp\is-FUID4.tmp\6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp" /SL5="$6011C,4444203,54272,C:\Users\Admin\AppData\Local\Temp\6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3408

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:3656

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:4480

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
c0271849e4aee494db3b4bea7bc5d9a7

SHA1
ab554e9c194f4adc19debe5f640521a9fc325362

SHA256
f4514826e1823924451e8594dc7418719a431e4a1264b9bc0d53d1f2f0a47207

SHA512
d2ff0147ff9b074c1fae793044593ab7d6d0ffad52d06df3c365892785415f47f9683dbdb7ba80233aca3275c31689daa3c57869f3c199f50aa2e38a2f1dd91c

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FUID4.tmp\6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
memory/1928-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1928-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1928-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3408-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3408-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3656-60-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3656-61-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3656-63-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3656-64-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-73-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-95-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-67-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-76-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-79-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-82-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-85-0x00000000028A0000-0x0000000002942000-memory.dmp

Filesize
648KB

Download
memory/4480-87-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-92-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-70-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-98-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-101-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-104-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-107-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-108-0x00000000028A0000-0x0000000002942000-memory.dmp

Filesize
648KB

Download
memory/4480-109-0x00000000028A0000-0x0000000002942000-memory.dmp

Filesize
648KB

Download
memory/4480-113-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4480-116-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download

Analysis

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