socks5systemz | 066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2

General

Target

066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.exe
Size

4.5MB
MD5

0d72d5533daa2e82da39c34becd408ce
SHA1

09cfb036f8df9a8ac88663808f49c3402bdf268d
SHA256

066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2
SHA512

e52fc74b0cc898cf12e14ece122ae323c21941059869e6b616f33599d0aeece11965470c0603e6e88730ee885566d3e6757561222a0b5dddee2a23a92ddb8e54
SSDEEP

98304:mnDRgVJmND1mLa5210r4abqDdp+i+BkDA6Tno3syPVwsGyI6QDNHt416u:eNZ2a5210rBbO/SkDA6TonPV8PNYj

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

buwfond.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1616-84-0x0000000002500000-0x00000000025A2000-memory.dmp	family_socks5systemz

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

Processes:

066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

4324 066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp
3192 playercloudfree32.exe
1616 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp

pid process

4324 066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.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 45.155.250.90
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:

066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp

pid process

4324 066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp

pid	process
4324	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp
3192	playercloudfree32.exe
1616	playercloudfree32.exe

pid	process
4324	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	45.155.250.90
Destination IP	91.211.247.248

pid	process
4324	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.exe066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp

description	pid	process	target process
PID 4396 wrote to memory of 4324	4396	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.exe	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp
PID 4396 wrote to memory of 4324	4396	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.exe	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp
PID 4396 wrote to memory of 4324	4396	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.exe	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp
PID 4324 wrote to memory of 3192	4324	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp	playercloudfree32.exe
PID 4324 wrote to memory of 3192	4324	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp	playercloudfree32.exe
PID 4324 wrote to memory of 3192	4324	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp	playercloudfree32.exe
PID 4324 wrote to memory of 1616	4324	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp	playercloudfree32.exe
PID 4324 wrote to memory of 1616	4324	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp	playercloudfree32.exe
PID 4324 wrote to memory of 1616	4324	066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.exe
"C:\Users\Admin\AppData\Local\Temp\066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4396

C:\Users\Admin\AppData\Local\Temp\is-36L5I.tmp\066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp
"C:\Users\Admin\AppData\Local\Temp\is-36L5I.tmp\066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp" /SL5="$B004C,4462707,54272,C:\Users\Admin\AppData\Local\Temp\066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4324

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:3192

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:1616

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
b48cbd15d87b1066cea3d6eaa7f6660e

SHA1
bcb2ad9ba83613dc65256c50a22dce31ba3c4422

SHA256
bcee3d49a0a07a63b207dab7a84ec6d72d29ee81f395ccdaba148a7450317437

SHA512
02d978fe4853fd70c4c12c4dd1d9c08bf8b3474b6a0b023a712c2f95ffa0cb6219f85418f17e85cc4d55df83a94b107f677a82f03e4501238e2476714f9c4a41

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-36L5I.tmp\066466abcb9a1d769d6c6f43166f9c3a0562bd23703c127bb4f941e348814ca2.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-V3PKI.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1616-86-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-91-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-112-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-109-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-106-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-103-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-100-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-97-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-94-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-69-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-72-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-75-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-78-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-81-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1616-84-0x0000000002500000-0x00000000025A2000-memory.dmp

Filesize
648KB

Download
memory/3192-64-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3192-63-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3192-61-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3192-59-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4324-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4324-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4396-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4396-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4396-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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