socks5systemz | dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52

General

Target

dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.exe
Size

4.8MB
MD5

8e580b114979a26dac87db0e1f16d0c1
SHA1

625f7a428f022414e6f41d4a173c416459cb663d
SHA256

dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52
SHA512

b33b63091520e62a51c38b3c1c16ce52c46fb31db615865586753ce7a44ee9fd43881e23bc81b0082024cd623ba91e371ae34eeb1a5bd8d7fdfd45f3a41a7004
SSDEEP

98304:mY/fkCLhx8r3evAeyscSgNUgYLL/SR95pg8Vu7a1XhsRnUC+OMFeJg:l/ZzMOvAerz1gYXqr5pgW7MnUvTr

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bpmqdea.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/5080-86-0x0000000002520000-0x00000000025C2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1824	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp
5100	m4atomp3converter.exe
5080	m4atomp3converter.exe

Loads dropped DLL 1 IoCs

pid	Process
1824	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp

Unexpected DNS network traffic destination 3 IoCs

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

description	ioc
Destination IP	45.155.250.90
Destination IP	152.89.198.214
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

pid	Process
1824	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 1824	404	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.exe	82
PID 404 wrote to memory of 1824	404	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.exe	82
PID 404 wrote to memory of 1824	404	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.exe	82
PID 1824 wrote to memory of 5100	1824	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp	86
PID 1824 wrote to memory of 5100	1824	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp	86
PID 1824 wrote to memory of 5100	1824	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp	86
PID 1824 wrote to memory of 5080	1824	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp	87
PID 1824 wrote to memory of 5080	1824	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp	87
PID 1824 wrote to memory of 5080	1824	dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp	87

C:\Users\Admin\AppData\Local\Temp\dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.exe
"C:\Users\Admin\AppData\Local\Temp\dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:404
- C:\Users\Admin\AppData\Local\Temp\is-KEA7H.tmp\dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-KEA7H.tmp\dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp" /SL5="$70040,4770974,54272,C:\Users\Admin\AppData\Local\Temp\dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
    "C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i
    3⤵
    - Executes dropped EXE
    PID:5100
- - C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
    "C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s
    3⤵
    - Executes dropped EXE
    PID:5080

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\M4A to MP3 Free Converter\m4atomp3converter.exe

Filesize
2.9MB

MD5
a164a5aa73dcfe03a5c62ea700d54ba4

SHA1
9bdc699c9df62a1703182903fde59d9e5d1ff1c0

SHA256
a22e40e12bbd12e3c384e877cc50391e09409a81677a66c9cf7fe4499f732fd0

SHA512
5c4c6211f10747fe11e54ac82c852bfd0178f2a5b2462f6c32f503b678c60d712d55ac6f39cdbc579c7c22b10661bb08957c192b5535764142f2ab5ac0e93df6

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KEA7H.tmp\dd6f1cc562f34ca154ad8e2dd27033a0fa59d039089308da6dcfe319c19e4a52.tmp

Filesize
680KB

MD5
283da5c763c54b41092d9fe0d244b491

SHA1
d5e6a5b76a18c5a1d68244f2c3697bd8881fcf03

SHA256
339d2ff372992255baddd6d21cc15045b42780b25d251f570480e1aacdd00ad9

SHA512
306815b5fd5c387ffd9705097271edf5851cee7c28d1bc707813ce26714e8f722b8a34f73c43903ab6e7303dafc6ab6fa48262e487d86124c037879618cbd45a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-V96A9.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/404-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/404-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/404-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1824-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1824-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5080-96-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-83-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-68-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-114-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-111-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-71-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-74-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-77-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-80-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-108-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-86-0x0000000002520000-0x00000000025C2000-memory.dmp

Filesize
648KB

Download
memory/5080-90-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-93-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-105-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-99-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5080-102-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5100-59-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5100-65-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5100-60-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/5100-63-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download

Analysis

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