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

beqyszi.com

gdsbclf.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2480-92-0x0000000002280000-0x0000000002322000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
2752	svomediaplayer.exe
2480	svomediaplayer.exe

Loads dropped DLL 5 IoCs

pid	Process
2140	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe
2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

Unexpected DNS network traffic destination 13 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	152.89.198.214
Destination IP	81.31.197.38
Destination IP	91.211.247.248
Destination IP	81.31.197.38
Destination IP	152.89.198.214
Destination IP	45.155.250.90
Destination IP	141.98.234.31
Destination IP	91.211.247.248
Destination IP	141.98.234.31
Destination IP	45.155.250.90
Destination IP	45.155.250.90
Destination IP	152.89.198.214
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

pid	Process
2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2156	2140	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	29
PID 2140 wrote to memory of 2156	2140	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	29
PID 2140 wrote to memory of 2156	2140	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	29
PID 2140 wrote to memory of 2156	2140	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	29
PID 2140 wrote to memory of 2156	2140	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	29
PID 2140 wrote to memory of 2156	2140	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	29
PID 2140 wrote to memory of 2156	2140	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe	29
PID 2156 wrote to memory of 2752	2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	30
PID 2156 wrote to memory of 2752	2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	30
PID 2156 wrote to memory of 2752	2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	30
PID 2156 wrote to memory of 2752	2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	30
PID 2156 wrote to memory of 2480	2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	31
PID 2156 wrote to memory of 2480	2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	31
PID 2156 wrote to memory of 2480	2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	31
PID 2156 wrote to memory of 2480	2156	8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp	31

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:2140
- C:\Users\Admin\AppData\Local\Temp\is-91AE6.tmp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-91AE6.tmp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp" /SL5="$40016,4800976,54272,C:\Users\Admin\AppData\Local\Temp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2156
- - 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:2752
- - 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:2480

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-91AE6.tmp\8791b7678f80bcd7e58e74b73fa340ee7c81dcf26f20c81cce316b3616f589a3.tmp

Filesize
680KB

MD5
b14e10b70ec6a99a474882fd02671202

SHA1
65684d473094b9ec66148cc619f70f535eff0b76

SHA256
5ce75bbece7639d122495b880c8ec36138155844decfdce0a809fa38ce03742a

SHA512
f27d918007612b5496115992b4fa3aa9942f56c03db35e545451185c72624b179c3553def02c6b0098eb674fc8e8f1e583cea1e307949bbeb7ea6deeccb7224e

Download Submit
\Users\Admin\AppData\Local\Temp\is-GJ984.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-GJ984.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2140-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2140-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2140-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2156-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2156-64-0x0000000004130000-0x0000000004439000-memory.dmp

Filesize
3.0MB

Download
memory/2156-79-0x0000000004130000-0x0000000004439000-memory.dmp

Filesize
3.0MB

Download
memory/2156-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2480-104-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-98-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-134-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-75-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-78-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-131-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-82-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-85-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-88-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-91-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-92-0x0000000002280000-0x0000000002322000-memory.dmp

Filesize
648KB

Download
memory/2480-71-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-101-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-128-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-107-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-110-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-113-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-116-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-119-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-122-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2480-125-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2752-65-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2752-66-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download
memory/2752-69-0x0000000000400000-0x0000000000709000-memory.dmp

Filesize
3.0MB

Download

Analysis

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