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

bdkqdqf.com

http://bdkqdqf.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2eb949a39

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2916-81-0x00000000029A0000-0x0000000002A42000-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

4492 8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
1772 svomediaplayer.exe
2916 svomediaplayer.exe
Loads dropped DLL 1 IoCs

Processes:

8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

pid process

4492 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 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:

8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

pid process

4492 8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

pid	process
4492	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
1772	svomediaplayer.exe
2916	svomediaplayer.exe

pid	process
4492	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
4492	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

description	pid	process	target process
PID 3692 wrote to memory of 4492	3692	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
PID 3692 wrote to memory of 4492	3692	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
PID 3692 wrote to memory of 4492	3692	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
PID 4492 wrote to memory of 1772	4492	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 4492 wrote to memory of 1772	4492	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 4492 wrote to memory of 1772	4492	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 4492 wrote to memory of 2916	4492	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 4492 wrote to memory of 2916	4492	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe
PID 4492 wrote to memory of 2916	4492	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	svomediaplayer.exe

C:\Users\Admin\AppData\Local\Temp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe
"C:\Users\Admin\AppData\Local\Temp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3692

C:\Users\Admin\AppData\Local\Temp\is-V7TP8.tmp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
"C:\Users\Admin\AppData\Local\Temp\is-V7TP8.tmp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp" /SL5="$50222,4800976,54272,C:\Users\Admin\AppData\Local\Temp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4492

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:1772

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:2916

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer.exe
Filesize
3.0MB

MD5
86548e117dc079d908567726cd272a73

SHA1
af47b792482211a2eb0a4c6a18431c30790de9df

SHA256
772db81709362708d79a8627b54e8c792214c29172bfff4a912dd30593d2ab8b

SHA512
ff2efab4db43c05dbec3008161d948fa8268978273b2987db4a4ac28843a3c52234803b1d16a0b4be226d555ef3e1bd6b98789983612b8bb47b14f954c2460ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-V7TP8.tmp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
Filesize
680KB

MD5
b14e10b70ec6a99a474882fd02671202

SHA1
65684d473094b9ec66148cc619f70f535eff0b76

SHA256
5ce75bbece7639d122495b880c8ec36138155844decfdce0a809fa38ce03742a

SHA512
f27d918007612b5496115992b4fa3aa9942f56c03db35e545451185c72624b179c3553def02c6b0098eb674fc8e8f1e583cea1e307949bbeb7ea6deeccb7224e

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1772-59-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/1772-63-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/1772-60-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-77-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-93-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-129-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-124-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-121-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-68-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-71-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-74-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-118-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-80-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-81-0x00000000029A0000-0x0000000002A42000-memory.dmp

Filesize
648KB

Download
memory/2916-85-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-90-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-115-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-96-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-99-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-102-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-105-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-109-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2916-112-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/3692-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3692-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3692-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4492-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4492-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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