socks5systemz | 5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b

General

Target

5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe
Size

4.6MB
MD5

35c8bb7cce14fc66dbc5fa6aad33129d
SHA1

d42b60692a8ff77e9e231d3ff9daa9557c760abd
SHA256

5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b
SHA512

84b3b8839f47af19910cade50752ec6fcad2980cb39140418a00f667015540da4d91f8b063463ff1c55ea913a65d673968633fc63b6d61d471bf126d9af3334c
SSDEEP

98304:m5DdcnzCZ8SpS8x0UtTISnsKPTaRXaTp78FXvzkn6qx:yDyzPSvftUSnVPeRXkp7GLO6m

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

budygua.com

http://budygua.com/search/?q=67e28dd86509f67a4206fe1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa45e8889b5e4fa9281ae978f171ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfe18c6e995

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2568-91-0x00000000024F0000-0x0000000002592000-memory.dmp	family_socks5systemz

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

Processes:

5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmpvirtualsoundcard32.exevirtualsoundcard32.exe

pid process

2100 5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
3060 virtualsoundcard32.exe
2568 virtualsoundcard32.exe

pid	process
2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
3060	virtualsoundcard32.exe
2568	virtualsoundcard32.exe

Loads dropped DLL 5 IoCs

Processes:

5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp

pid	process
2460	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe
2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.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:

5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp

pid process

2100 5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp

description	pid	process	target process
PID 2460 wrote to memory of 2100	2460	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
PID 2460 wrote to memory of 2100	2460	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
PID 2460 wrote to memory of 2100	2460	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
PID 2460 wrote to memory of 2100	2460	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
PID 2460 wrote to memory of 2100	2460	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
PID 2460 wrote to memory of 2100	2460	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
PID 2460 wrote to memory of 2100	2460	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
PID 2100 wrote to memory of 3060	2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp	virtualsoundcard32.exe
PID 2100 wrote to memory of 3060	2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp	virtualsoundcard32.exe
PID 2100 wrote to memory of 3060	2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp	virtualsoundcard32.exe
PID 2100 wrote to memory of 3060	2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp	virtualsoundcard32.exe
PID 2100 wrote to memory of 2568	2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp	virtualsoundcard32.exe
PID 2100 wrote to memory of 2568	2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp	virtualsoundcard32.exe
PID 2100 wrote to memory of 2568	2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp	virtualsoundcard32.exe
PID 2100 wrote to memory of 2568	2100	5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp	virtualsoundcard32.exe

C:\Users\Admin\AppData\Local\Temp\5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe
"C:\Users\Admin\AppData\Local\Temp\5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2460

C:\Users\Admin\AppData\Local\Temp\is-CQFT0.tmp\5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-CQFT0.tmp\5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp" /SL5="$30130,4604662,54272,C:\Users\Admin\AppData\Local\Temp\5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2100

C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe
"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe" -i
3⤵
- Executes dropped EXE
PID:3060

C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe
"C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe" -s
3⤵
- Executes dropped EXE
PID:2568

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

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Downloads

\Users\Admin\AppData\Local\Temp\is-CQFT0.tmp\5a80fc3e154a1f5966d16e6e91068f4c8dd8f58d385f3f32dbdc3cec3350e65b.tmp
Filesize
680KB

MD5
6d75c2498ef0af9a91b71d0d81d1b95e

SHA1
1476ec8e947af9a397658bec20b17854042cc0c3

SHA256
468db6dd9e5c87c34d9cb7e56ddbfaf068bbe44436fa2cfc2ada8029051e4bee

SHA512
bdc9b460a463da60c019eda9dd40929a61e77081b699d6c3a4c05309280252f7493015cf463243ff9dd3e20ddd324db39a8697f312fabfea64c78aed9ddb5027

Download Submit
\Users\Admin\AppData\Local\Temp\is-T9CP4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-T9CP4.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe
Filesize
2.7MB

MD5
dc73262d1bf661b44bcac90788280a8e

SHA1
c633e1ffd703420195ebdb6a20f1ffece228f181

SHA256
019028cf30ad82460bca9272dabc19961585074fc994dca37dca0bb4bad88d2a

SHA512
f8a5e025b8a318f6a351e9557b5385fa7c63c7c3431cb3a09c5856747c93d726f792dea73fe704029575192d164a4daeb74a2711079677831ec5a651b73803b1

Download Submit
memory/2100-73-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-63-0x00000000032A0000-0x0000000003561000-memory.dmp

Filesize
2.8MB

Download
memory/2100-77-0x00000000032A0000-0x0000000003561000-memory.dmp

Filesize
2.8MB

Download
memory/2460-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2460-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2460-72-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2568-109-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-103-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-136-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-78-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-81-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-84-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-87-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-90-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-91-0x00000000024F0000-0x0000000002592000-memory.dmp

Filesize
648KB

Download
memory/2568-97-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-100-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-74-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-106-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-131-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-112-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-116-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-119-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-122-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-125-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/2568-128-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-65-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download
memory/3060-69-0x0000000000400000-0x00000000006C1000-memory.dmp

Filesize
2.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads