socks5systemz | 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1

General

Target

79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe
Size

4.6MB
MD5

badf0e3994943ce24bda4ad1117ae0c3
SHA1

4bfd57dbb6cab7fbcad0706bc18ef82964efc962
SHA256

79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1
SHA512

cf3cef7aea4eac91b8a15dc005b08cd824159a4c114a21c68447d20597bcc7909de0b5ea3c5fd8bd70d21fd2fd8cf02ca6810e201e31cea49b771bf5ff5139ab
SSDEEP

98304:m/+KXm5zCadoNaUS5P4gMIk0ihjABYKa2eP+7KKlR:XKXOmadooj2gtk0ipABYKC49R

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aqbrmty.ru

http://aqbrmty.ru/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c4ef909b32

http://aqbrmty.ru/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12eab517aa5c96bd86ee9d8e4f895a8bbc896c58e713bc90c91136b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9d3fcd6a971f

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2760-86-0x0000000002510000-0x00000000025B2000-memory.dmp	family_socks5systemz
behavioral1/memory/2760-109-0x0000000002510000-0x00000000025B2000-memory.dmp	family_socks5systemz
behavioral1/memory/2760-110-0x0000000002510000-0x00000000025B2000-memory.dmp	family_socks5systemz

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

Processes:

79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

3164 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp
3484 playercloudfree32.exe
2760 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp

pid process

3164 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.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:

79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp

pid process

3164 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp

pid	process
3164	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp
3484	playercloudfree32.exe
2760	playercloudfree32.exe

pid	process
3164	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
3164	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp

description	pid	process	target process
PID 1448 wrote to memory of 3164	1448	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp
PID 1448 wrote to memory of 3164	1448	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp
PID 1448 wrote to memory of 3164	1448	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp
PID 3164 wrote to memory of 3484	3164	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp	playercloudfree32.exe
PID 3164 wrote to memory of 3484	3164	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp	playercloudfree32.exe
PID 3164 wrote to memory of 3484	3164	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp	playercloudfree32.exe
PID 3164 wrote to memory of 2760	3164	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp	playercloudfree32.exe
PID 3164 wrote to memory of 2760	3164	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp	playercloudfree32.exe
PID 3164 wrote to memory of 2760	3164	79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe
"C:\Users\Admin\AppData\Local\Temp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1448

C:\Users\Admin\AppData\Local\Temp\is-F4OJ4.tmp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp
"C:\Users\Admin\AppData\Local\Temp\is-F4OJ4.tmp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp" /SL5="$8020A,4593748,54272,C:\Users\Admin\AppData\Local\Temp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3164

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:3484

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:2760

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
2.8MB

MD5
4777d5f35e3ef36e2d3a5e8a3ce73a09

SHA1
fd9b8708c7e2779d7a9ce921f3d9128a85107588

SHA256
64b5e38d99b2fc5a60787b14784a085ee8555982d41f8d172ce77606df85ff8f

SHA512
65713cb7a6742e7d4c3d0e0abe009793b127deff45ede0504ffad787a196617372f6ce78035fcabaa937409b1489c06ec9e282d8579c101d8a24d031bcaac67e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F4OJ4.tmp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q855V.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1448-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1448-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1448-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2760-96-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-99-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-117-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-114-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-67-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-110-0x0000000002510000-0x00000000025B2000-memory.dmp

Filesize
648KB

Download
memory/2760-109-0x0000000002510000-0x00000000025B2000-memory.dmp

Filesize
648KB

Download
memory/2760-71-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-74-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-77-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-80-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-83-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-86-0x0000000002510000-0x00000000025B2000-memory.dmp

Filesize
648KB

Download
memory/2760-88-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-93-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-108-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-105-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/2760-102-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/3164-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3164-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3484-61-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/3484-59-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/3484-65-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download
memory/3484-63-0x0000000000400000-0x00000000006C9000-memory.dmp

Filesize
2.8MB

Download

Analysis

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