socks5systemz | 486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1

General

Target

486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe
Size

4.5MB
MD5

11c547afe04a7dddd7e01dc1cf15cb7f
SHA1

0594d9d8da416fcf36affc15e0cba076e03f03f1
SHA256

486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1
SHA512

2a802e6e8714d382bb2730f5c98420645e2908ee81e887c3e00483dfcf66b7fe53ec2834397d475cc487ab0eb5772c74a5be771749608a22bc08ea41bda468cc
SSDEEP

98304:mvubMVCldZ9n42GkEyMHZOBTh+LqHP7jA2nhTzWqGgezScwfnNP:2ymCfjn4LkCsBTcQdzNGgeWcwfnNP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bogssuu.com

http://bogssuu.com/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c2ee97933a

http://bogssuu.com/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12eab517aa5c96bd86ec94874a855a8bbc896c58e713bc90c91b36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9d39cc6d9f17

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/740-84-0x0000000002850000-0x00000000028F2000-memory.dmp	family_socks5systemz
behavioral2/memory/740-110-0x0000000002850000-0x00000000028F2000-memory.dmp	family_socks5systemz
behavioral2/memory/740-111-0x0000000002850000-0x00000000028F2000-memory.dmp	family_socks5systemz

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

Processes:

486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmpfanplayercloudfree32.exefanplayercloudfree32.exe

pid process

3104 486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
1672 fanplayercloudfree32.exe
740 fanplayercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp

pid process

3104 486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.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:

486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp

pid process

3104 486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp

pid	process
3104	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
1672	fanplayercloudfree32.exe
740	fanplayercloudfree32.exe

pid	process
3104	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
3104	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp

description	pid	process	target process
PID 912 wrote to memory of 3104	912	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
PID 912 wrote to memory of 3104	912	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
PID 912 wrote to memory of 3104	912	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
PID 3104 wrote to memory of 1672	3104	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp	fanplayercloudfree32.exe
PID 3104 wrote to memory of 1672	3104	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp	fanplayercloudfree32.exe
PID 3104 wrote to memory of 1672	3104	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp	fanplayercloudfree32.exe
PID 3104 wrote to memory of 740	3104	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp	fanplayercloudfree32.exe
PID 3104 wrote to memory of 740	3104	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp	fanplayercloudfree32.exe
PID 3104 wrote to memory of 740	3104	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp	fanplayercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe
"C:\Users\Admin\AppData\Local\Temp\486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:912

C:\Users\Admin\AppData\Local\Temp\is-17Q44.tmp\486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
"C:\Users\Admin\AppData\Local\Temp\is-17Q44.tmp\486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp" /SL5="$40202,4439909,54272,C:\Users\Admin\AppData\Local\Temp\486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3104

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe" -i
3⤵
- Executes dropped EXE
PID:1672

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree32.exe" -s
3⤵
- Executes dropped EXE
PID:740

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\fanplayercloudfree32.exe
Filesize
2.3MB

MD5
918f3ea0331f44879112632377b30a18

SHA1
de11cfd442974a1e2a75321421411bc8ae748542

SHA256
a05d76e7df10b5f9a461053254599f72c601b6b2fa2d06d9b044292e9d358cd9

SHA512
0d6b3453b97c3d1bb41e57cbe76c38898598fa3aac41dae6357bac176763a59fb3e92dd79427d99fcef75846b1e65ae55b602fae700b57a1b19350f695d25867

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-17Q44.tmp\486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
Filesize
680KB

MD5
18d21bb7e8480255c7d24705a9a8c78e

SHA1
d1342b489f1b4921d0c8b100261e819db24f2981

SHA256
715669c614242a778a97873ed475b333700d2d4cb0277286f38fa6a2a551ef91

SHA512
d4eef761e23035f35c5bdcced816d678f009c2115f9a0cc2436395fdb07ecf84304c3341d2fcb0d299b881449f46c9b499c3903fb427a8f2bf3abb3840ee3cb3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RO1IO.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/740-97-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-80-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-118-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-115-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-111-0x0000000002850000-0x00000000028F2000-memory.dmp

Filesize
648KB

Download
memory/740-110-0x0000000002850000-0x00000000028F2000-memory.dmp

Filesize
648KB

Download
memory/740-109-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-68-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-106-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-103-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-71-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-74-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-77-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-100-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-83-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-84-0x0000000002850000-0x00000000028F2000-memory.dmp

Filesize
648KB

Download
memory/740-89-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/740-94-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/912-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/912-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/912-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1672-65-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/1672-63-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/1672-61-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/1672-59-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/3104-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3104-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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