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

csvbbza.net

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2212-86-0x0000000000960000-0x0000000000A02000-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

2760 486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
4768 fanplayercloudfree32.exe
2212 fanplayercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp

pid process

2760 486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.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 91.211.247.248
Destination IP 152.89.198.214
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

2760 486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp

pid	process
2760	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
4768	fanplayercloudfree32.exe
2212	fanplayercloudfree32.exe

pid	process
2760	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	152.89.198.214

pid	process
2760	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp

description	pid	process	target process
PID 4712 wrote to memory of 2760	4712	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
PID 4712 wrote to memory of 2760	4712	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
PID 4712 wrote to memory of 2760	4712	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
PID 2760 wrote to memory of 4768	2760	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp	fanplayercloudfree32.exe
PID 2760 wrote to memory of 4768	2760	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp	fanplayercloudfree32.exe
PID 2760 wrote to memory of 4768	2760	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp	fanplayercloudfree32.exe
PID 2760 wrote to memory of 2212	2760	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp	fanplayercloudfree32.exe
PID 2760 wrote to memory of 2212	2760	486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp	fanplayercloudfree32.exe
PID 2760 wrote to memory of 2212	2760	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:4712

C:\Users\Admin\AppData\Local\Temp\is-TEHBT.tmp\486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp
"C:\Users\Admin\AppData\Local\Temp\is-TEHBT.tmp\486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.tmp" /SL5="$D0066,4439909,54272,C:\Users\Admin\AppData\Local\Temp\486fe4a99f091cef222230b6707a3c929f4e188af166dfb340cb492c0621f7b1.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2760

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:4768

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:2212

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-8DLMM.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5
18d21bb7e8480255c7d24705a9a8c78e

SHA1
d1342b489f1b4921d0c8b100261e819db24f2981

SHA256
715669c614242a778a97873ed475b333700d2d4cb0277286f38fa6a2a551ef91

SHA512
d4eef761e23035f35c5bdcced816d678f009c2115f9a0cc2436395fdb07ecf84304c3341d2fcb0d299b881449f46c9b499c3903fb427a8f2bf3abb3840ee3cb3

Download Submit
memory/2212-96-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-80-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-114-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-111-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-108-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-105-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-102-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-68-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-99-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-93-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-71-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-74-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-77-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-88-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-83-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/2212-86-0x0000000000960000-0x0000000000A02000-memory.dmp

Filesize
648KB

Download
memory/2760-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2760-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4712-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4712-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4712-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4768-65-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/4768-61-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/4768-63-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download
memory/4768-59-0x0000000000400000-0x0000000000656000-memory.dmp

Filesize
2.3MB

Download

Analysis

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