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

bmukicc.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3056-84-0x00000000009A0000-0x0000000000A42000-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

2684 6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
4352 playercloudfree32.exe
3056 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp

pid process

2684 6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.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 152.89.198.214
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

2684 6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp

pid	process
2684	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
4352	playercloudfree32.exe
3056	playercloudfree32.exe

pid	process
2684	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	152.89.198.214

pid	process
2684	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp

description	pid	process	target process
PID 4924 wrote to memory of 2684	4924	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
PID 4924 wrote to memory of 2684	4924	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
PID 4924 wrote to memory of 2684	4924	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
PID 2684 wrote to memory of 4352	2684	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp	playercloudfree32.exe
PID 2684 wrote to memory of 4352	2684	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp	playercloudfree32.exe
PID 2684 wrote to memory of 4352	2684	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp	playercloudfree32.exe
PID 2684 wrote to memory of 3056	2684	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp	playercloudfree32.exe
PID 2684 wrote to memory of 3056	2684	6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp	playercloudfree32.exe
PID 2684 wrote to memory of 3056	2684	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:4924

C:\Users\Admin\AppData\Local\Temp\is-MVG6T.tmp\6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
"C:\Users\Admin\AppData\Local\Temp\is-MVG6T.tmp\6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp" /SL5="$70240,4444203,54272,C:\Users\Admin\AppData\Local\Temp\6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2684

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:4352

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:3056

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-4I8IA.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MVG6T.tmp\6c8b225ec358d1cdc2a04c593d8a32240d8e88021da0838bf4e053e9ddeddddb.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
memory/2684-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2684-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3056-97-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-74-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-106-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-103-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-100-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-68-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-112-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-115-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-71-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-109-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-77-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-80-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-83-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-84-0x00000000009A0000-0x0000000000A42000-memory.dmp

Filesize
648KB

Download
memory/3056-88-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3056-94-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4352-59-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4352-64-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4352-65-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4352-61-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4924-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4924-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4924-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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