socks5systemz | de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833

General

Target

de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.exe
Size

4.5MB
MD5

7ba0fbe5697771fa27b650273c8824fc
SHA1

3737bf7b8a60f6a13fbdf627249e3369aa355730
SHA256

de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833
SHA512

b088b42c94ef8df3233bf6da8f6cdeeb0d666b6712644edca6ee0cd06fe4ffdb4b548a8d127e68ba6a0b833783b568f1478a0e222c630d3bcec19d7426bc54ee
SSDEEP

98304:meoqEgukLFb6ZY9guhkhrJTYQy3BZK5ijs3BiT1M:+g9b6ghkXo8IA85M

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dtrnmfo.info

http://dtrnmfo.info/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2e997983e

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4772-81-0x0000000000900000-0x00000000009A2000-memory.dmp	family_socks5systemz

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

Processes:

de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

4112 de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp
1576 playercloudfree32.exe
4772 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp

pid process

4112 de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.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 91.211.247.248
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:

de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp

pid process

4112 de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp

pid	process
4112	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp
1576	playercloudfree32.exe
4772	playercloudfree32.exe

pid	process
4112	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
4112	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.exede49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp

description	pid	process	target process
PID 1964 wrote to memory of 4112	1964	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.exe	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp
PID 1964 wrote to memory of 4112	1964	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.exe	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp
PID 1964 wrote to memory of 4112	1964	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.exe	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp
PID 4112 wrote to memory of 1576	4112	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp	playercloudfree32.exe
PID 4112 wrote to memory of 1576	4112	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp	playercloudfree32.exe
PID 4112 wrote to memory of 1576	4112	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp	playercloudfree32.exe
PID 4112 wrote to memory of 4772	4112	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp	playercloudfree32.exe
PID 4112 wrote to memory of 4772	4112	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp	playercloudfree32.exe
PID 4112 wrote to memory of 4772	4112	de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.exe
"C:\Users\Admin\AppData\Local\Temp\de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1964

C:\Users\Admin\AppData\Local\Temp\is-DT9LJ.tmp\de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp
"C:\Users\Admin\AppData\Local\Temp\is-DT9LJ.tmp\de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp" /SL5="$50224,4415939,54272,C:\Users\Admin\AppData\Local\Temp\de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4112

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:1576

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:4772

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
a213b5ea5fe7413898f334ddcdab0e1c

SHA1
16a8453018553902a2ef3a1c9d795ead59467f18

SHA256
0b18f263f8b8087a043ef6d0563c8672843a59cd32561e5a03a0b6b96925bf66

SHA512
0c33e2484ba97e2241e7bf127efef3fee8fe427df12e55e8076f59cff17120b900aa0d13b63eaecc263771dbd1ae4dee303953540a3ad8bb690f9515be68e60a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DT9LJ.tmp\de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp

Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
\Users\Admin\AppData\Local\Temp\is-7HL41.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1576-60-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1576-62-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1576-63-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1964-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1964-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1964-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4112-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4112-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4772-77-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-96-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-74-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-68-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-80-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-81-0x0000000000900000-0x00000000009A2000-memory.dmp

Filesize
648KB

Download
memory/4772-85-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-90-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-93-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-71-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-99-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-102-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-105-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-109-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-112-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-115-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-118-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-121-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-124-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4772-129-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download

Analysis

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