socks5systemz | c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1

General

Target

c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.exe
Size

4.5MB
MD5

2747c3bacde50a57459634c2fcf6fc81
SHA1

f8acf65b114c56458eb08986ac2d5f73c69fb34a
SHA256

c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1
SHA512

d14c26c78b23d1d18fcc98a792547f3bdda646b51497aa526a2acd368a10b377e82a14990e398c1b6e56f413ba8305169faadbf6e937cc24e4f66f8f8358d94e
SSDEEP

98304:mxYru9qXnAU740GV/g061Brot9+LVorAALEcObdl2xy5TEJIV3/i7:Kv05740GtgXSr+pQJg2xyJEJcK

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ebqnugn.ua

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1528-86-0x0000000002540000-0x00000000025E2000-memory.dmp	family_socks5systemz

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

Processes:

c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmpmediaplayerrptuning32.exemediaplayerrptuning32.exe

pid process

4656 c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp
2572 mediaplayerrptuning32.exe
1528 mediaplayerrptuning32.exe
Loads dropped DLL 1 IoCs

Processes:

c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp

pid process

4656 c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.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 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:

c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp

pid process

4656 c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp

pid	process
4656	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp
2572	mediaplayerrptuning32.exe
1528	mediaplayerrptuning32.exe

pid	process
4656	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	91.211.247.248

pid	process
4656	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.exec5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp

description	pid	process	target process
PID 3664 wrote to memory of 4656	3664	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.exe	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp
PID 3664 wrote to memory of 4656	3664	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.exe	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp
PID 3664 wrote to memory of 4656	3664	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.exe	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp
PID 4656 wrote to memory of 2572	4656	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp	mediaplayerrptuning32.exe
PID 4656 wrote to memory of 2572	4656	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp	mediaplayerrptuning32.exe
PID 4656 wrote to memory of 2572	4656	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp	mediaplayerrptuning32.exe
PID 4656 wrote to memory of 1528	4656	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp	mediaplayerrptuning32.exe
PID 4656 wrote to memory of 1528	4656	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp	mediaplayerrptuning32.exe
PID 4656 wrote to memory of 1528	4656	c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp	mediaplayerrptuning32.exe

C:\Users\Admin\AppData\Local\Temp\c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.exe
"C:\Users\Admin\AppData\Local\Temp\c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3664

C:\Users\Admin\AppData\Local\Temp\is-CMTUC.tmp\c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp
"C:\Users\Admin\AppData\Local\Temp\is-CMTUC.tmp\c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp" /SL5="$80054,4452028,54272,C:\Users\Admin\AppData\Local\Temp\c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4656

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe" -i
3⤵
- Executes dropped EXE
PID:2572

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe" -s
3⤵
- Executes dropped EXE
PID:1528

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\Media Player RPTuning\mediaplayerrptuning32.exe
Filesize
2.3MB

MD5
547a89a26e657850305aef06c1a6b7ef

SHA1
fb3cc1855d94b2904003198060f1fb8a991408bf

SHA256
e9d9bc1a5af5d5f3b6ec645a042efbff0b7e607014b4ec740b5c0c746e1d8979

SHA512
7c9ebf3345cef88f93dc1d95ee6c7b67e7d9d07deaa54afc0948724c70a85ca0e2384026f412358c9b635167489dc5cb9751ceb3e05367e368af249f066654c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CMTUC.tmp\c5253c7d44fc5e35445e721e76f82d6f38b73c82064ce4510d30100e31f1edb1.tmp
Filesize
680KB

MD5
0974ba095ce319c21275c60758122947

SHA1
a459f36fc33297d242af213eda9d326967c9bcd5

SHA256
b1d3bfec6e0fd3effd9f9c661082d9b8bd8b01cc7168b0ec73d2e1df195362a6

SHA512
01bdc7b62f999a2a099277a6caee7e721bb1cb3e9639e955edf412e206ea6de4d7b68cb60c31644869a09c9e28ee02b4b327bf2e3e338dbbe8a2b3537055c7ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PDQ9I.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1528-96-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-80-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-114-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-111-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-108-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-105-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-102-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-68-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-99-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-93-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-71-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-74-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-77-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-88-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-83-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1528-86-0x0000000002540000-0x00000000025E2000-memory.dmp

Filesize
648KB

Download
memory/2572-65-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/2572-63-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/2572-61-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/2572-59-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/3664-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4656-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4656-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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