socks5systemz | b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b

General

Target

b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe
Size

4.6MB
MD5

18bcc92e8f9a9856f25ae1920086fecb
SHA1

2ef8646d71b688e7af06806899ea9ea003cf8e10
SHA256

b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b
SHA512

3cba741fc71e9a6bfecfc8dd8f067ecb1bd0d1956ee2be166e629a8bfecce8d4097b301f726508dea81058f928b84ea11048689b55c0495c7e0f179a54bae3db
SSDEEP

98304:mjtuvA9KE06SsN8zsInLFniCWjIqiq4P0bKJ9SIWkPHzgs:ZIEEesNus2Fiqq4P0KeXkz

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bvuibth.com

http://bvuibth.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f89fa12c2ee9d

Signatures

Detect Socks5Systemz Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2464-93-0x00000000023E0000-0x0000000002482000-memory.dmp	family_socks5systemz
behavioral1/memory/2464-121-0x00000000023E0000-0x0000000002482000-memory.dmp	family_socks5systemz
behavioral1/memory/2464-122-0x00000000023E0000-0x0000000002482000-memory.dmp	family_socks5systemz
behavioral1/memory/2464-123-0x00000000023E0000-0x0000000002482000-memory.dmp	family_socks5systemz

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

Processes:

b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

2200 b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
2440 playercloudfree32.exe
2464 playercloudfree32.exe

pid	process
2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
2440	playercloudfree32.exe
2464	playercloudfree32.exe

Loads dropped DLL 5 IoCs

Processes:

b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exeb6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp

pid	process
2192	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe
2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.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:

b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp

pid process

2200 b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exeb6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp

description	pid	process	target process
PID 2192 wrote to memory of 2200	2192	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
PID 2192 wrote to memory of 2200	2192	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
PID 2192 wrote to memory of 2200	2192	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
PID 2192 wrote to memory of 2200	2192	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
PID 2192 wrote to memory of 2200	2192	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
PID 2192 wrote to memory of 2200	2192	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
PID 2192 wrote to memory of 2200	2192	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
PID 2200 wrote to memory of 2440	2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp	playercloudfree32.exe
PID 2200 wrote to memory of 2440	2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp	playercloudfree32.exe
PID 2200 wrote to memory of 2440	2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp	playercloudfree32.exe
PID 2200 wrote to memory of 2440	2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp	playercloudfree32.exe
PID 2200 wrote to memory of 2464	2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp	playercloudfree32.exe
PID 2200 wrote to memory of 2464	2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp	playercloudfree32.exe
PID 2200 wrote to memory of 2464	2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp	playercloudfree32.exe
PID 2200 wrote to memory of 2464	2200	b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe
"C:\Users\Admin\AppData\Local\Temp\b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2192

C:\Users\Admin\AppData\Local\Temp\is-E81NF.tmp\b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-E81NF.tmp\b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp" /SL5="$4014E,4574745,54272,C:\Users\Admin\AppData\Local\Temp\b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2200

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:2440

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:2464

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
Filesize
2.8MB

MD5
55735a2a6fd370162887248494be9df7

SHA1
1d233205a0273e241c6686dd1d04e5ab276397e5

SHA256
d12f094d3d9e11179adbcf1d574989b7c72fc06713c454e3cf96c5eb880d038d

SHA512
8825184e7e516170b10961cdae83d332fdb3f1791334c2869740793deb4b5c019b34271a1dc3760edacd76c758b743f64cb00a46ef6dade900b7689bcb248b9c

Download Submit
\Users\Admin\AppData\Local\Temp\is-70H5M.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-70H5M.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-E81NF.tmp\b6a8859016aab782db9383a91f4db7e4f214cfc5563e2e7cf4d0400458f1d10b.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
memory/2192-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2192-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2192-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2200-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2200-63-0x0000000003350000-0x000000000361B000-memory.dmp

Filesize
2.8MB

Download
memory/2200-79-0x0000000003350000-0x000000000361B000-memory.dmp

Filesize
2.8MB

Download
memory/2200-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2440-67-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2440-70-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2440-65-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-80-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-102-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-72-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-83-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-86-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-89-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-92-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-93-0x00000000023E0000-0x0000000002482000-memory.dmp

Filesize
648KB

Download
memory/2464-99-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-76-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-105-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-108-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-111-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-114-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-117-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-120-0x0000000000400000-0x00000000006CB000-memory.dmp

Filesize
2.8MB

Download
memory/2464-121-0x00000000023E0000-0x0000000002482000-memory.dmp

Filesize
648KB

Download
memory/2464-122-0x00000000023E0000-0x0000000002482000-memory.dmp

Filesize
648KB

Download
memory/2464-123-0x00000000023E0000-0x0000000002482000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads