socks5systemz | 8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3

General

Target

8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe
Size

4.8MB
MD5

467d9b07346f4486eaddf16617d85671
SHA1

6881b774ad58e0c31b8cc32e86cd11092064cb01
SHA256

8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3
SHA512

5d9aa6abd42d8ff43412ddc9639b6ca4cae0dbb2dabe7477889573e06f6415d87c91d2d9e792d09b60f2456186e4101802697aea852a048e4e0d5cf880f475ef
SSDEEP

98304:mA9/g8hs9marWtgDS/wqC267qV1ca8h48Ea/woMHYgCXUyPpCIFeECD:h/q9mZtEqL77va/mJCXUyhnFeE+

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

cclccrs.net

http://cclccrs.net/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd15c1ef91

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2556-91-0x00000000022B0000-0x0000000002352000-memory.dmp	family_socks5systemz

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

Processes:

8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmpsvomediaplayer.exesvomediaplayer.exe

pid process

3020 8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
2404 svomediaplayer.exe
2556 svomediaplayer.exe

pid	process
3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
2404	svomediaplayer.exe
2556	svomediaplayer.exe

Loads dropped DLL 5 IoCs

Processes:

8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

pid	process
3012	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe
3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.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:

8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

pid process

3020 8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

description	pid	process	target process
PID 3012 wrote to memory of 3020	3012	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
PID 3012 wrote to memory of 3020	3012	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
PID 3012 wrote to memory of 3020	3012	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
PID 3012 wrote to memory of 3020	3012	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
PID 3012 wrote to memory of 3020	3012	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
PID 3012 wrote to memory of 3020	3012	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
PID 3012 wrote to memory of 3020	3012	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
PID 3020 wrote to memory of 2404	3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 3020 wrote to memory of 2404	3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 3020 wrote to memory of 2404	3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 3020 wrote to memory of 2404	3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 3020 wrote to memory of 2556	3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 3020 wrote to memory of 2556	3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 3020 wrote to memory of 2556	3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 3020 wrote to memory of 2556	3020	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe

C:\Users\Admin\AppData\Local\Temp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe
"C:\Users\Admin\AppData\Local\Temp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3012

C:\Users\Admin\AppData\Local\Temp\is-SPBGG.tmp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
"C:\Users\Admin\AppData\Local\Temp\is-SPBGG.tmp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp" /SL5="$400EE,4800976,54272,C:\Users\Admin\AppData\Local\Temp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3020

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -i
3⤵
- Executes dropped EXE
PID:2404

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe" -s
3⤵
- Executes dropped EXE
PID:2556

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

\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe

Filesize
3.0MB

MD5
86548e117dc079d908567726cd272a73

SHA1
af47b792482211a2eb0a4c6a18431c30790de9df

SHA256
772db81709362708d79a8627b54e8c792214c29172bfff4a912dd30593d2ab8b

SHA512
ff2efab4db43c05dbec3008161d948fa8268978273b2987db4a4ac28843a3c52234803b1d16a0b4be226d555ef3e1bd6b98789983612b8bb47b14f954c2460ca

Download Submit
\Users\Admin\AppData\Local\Temp\is-1ATHL.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-1ATHL.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-SPBGG.tmp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

Filesize
680KB

MD5
b14e10b70ec6a99a474882fd02671202

SHA1
65684d473094b9ec66148cc619f70f535eff0b76

SHA256
5ce75bbece7639d122495b880c8ec36138155844decfdce0a809fa38ce03742a

SHA512
f27d918007612b5496115992b4fa3aa9942f56c03db35e545451185c72624b179c3553def02c6b0098eb674fc8e8f1e583cea1e307949bbeb7ea6deeccb7224e

Download Submit
memory/2404-65-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2404-69-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2404-66-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-81-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-112-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-134-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-130-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-127-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-124-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-74-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-121-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-78-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-118-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-84-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-87-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-90-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-91-0x00000000022B0000-0x0000000002352000-memory.dmp

Filesize
648KB

Download
memory/2556-97-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-100-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-103-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-106-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-109-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2556-115-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/3012-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3012-72-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3012-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3020-62-0x0000000004160000-0x0000000004469000-memory.dmp

Filesize
3.0MB

Download
memory/3020-77-0x0000000004160000-0x0000000004469000-memory.dmp

Filesize
3.0MB

Download
memory/3020-73-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3020-18-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads