socks5systemz | 376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba

General

Target

376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.exe
Size

4.8MB
MD5

e453f90cd27e506462f3d5bfd7054148
SHA1

3f645dee28e54c6f262e2ec8b65e97e05bbe48f8
SHA256

376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba
SHA512

208bf169ae42e70dc5501a4accaa20f19927c2d48478a49d0ff685c6a7c0943d186f56f6d0160ff76fa8c072618850289f3936cd9d1c1066e42fd6873f41aa51
SSDEEP

98304:m1X922HLks7WIMRqVIP73Wf86sGuWWir8lXUAtgub/ZgJ/C:sXMasI6/7mf864WWirqXvhRk/C

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bemmqvz.com

http://bemmqvz.com/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ef93923e

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4480-82-0x00000000024D0000-0x0000000002572000-memory.dmp	family_socks5systemz

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

Processes:

376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmpm4atomp3converter.exem4atomp3converter.exe

pid process

3248 376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp
4044 m4atomp3converter.exe
4480 m4atomp3converter.exe
Loads dropped DLL 1 IoCs

Processes:

376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp

pid process

3248 376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.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 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

Processes:

376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp

pid process

3248 376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp

pid	process
3248	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp
4044	m4atomp3converter.exe
4480	m4atomp3converter.exe

pid	process
3248	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
3248	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.exe376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp

description	pid	process	target process
PID 3988 wrote to memory of 3248	3988	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.exe	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp
PID 3988 wrote to memory of 3248	3988	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.exe	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp
PID 3988 wrote to memory of 3248	3988	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.exe	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp
PID 3248 wrote to memory of 4044	3248	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp	m4atomp3converter.exe
PID 3248 wrote to memory of 4044	3248	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp	m4atomp3converter.exe
PID 3248 wrote to memory of 4044	3248	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp	m4atomp3converter.exe
PID 3248 wrote to memory of 4480	3248	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp	m4atomp3converter.exe
PID 3248 wrote to memory of 4480	3248	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp	m4atomp3converter.exe
PID 3248 wrote to memory of 4480	3248	376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp	m4atomp3converter.exe

C:\Users\Admin\AppData\Local\Temp\376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.exe
"C:\Users\Admin\AppData\Local\Temp\376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3988

C:\Users\Admin\AppData\Local\Temp\is-JALQM.tmp\376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp
"C:\Users\Admin\AppData\Local\Temp\is-JALQM.tmp\376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp" /SL5="$50228,4783805,54272,C:\Users\Admin\AppData\Local\Temp\376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3248

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:4044

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:4480

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\M4A to MP3 Free Converter\m4atomp3converter.exe
Filesize
2.9MB

MD5
9058a24c7ee89152190613e27c831a47

SHA1
bcd2d3409e4ce69ce2fcaba5fb2d43de6d2d6df6

SHA256
032c2541a0f7f48aa1659e59331f4de35d283f9249318ab30f667f7974f1fdbf

SHA512
22c4bbbefac5725439797263b20b501b13231df4e610ae00354849762bac93d5b36b92c1d3448342de8bc7d822e9b2842cad60847220b836a78bfad695e72ee3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-JALQM.tmp\376ea1088a0672ce1a710ecd6c752838c6811497869debc0f6d3702ea52f35ba.tmp
Filesize
680KB

MD5
984e6b8a7e6fa5cbf5a45904b1defc00

SHA1
37ce92d6cf1a117a191d14cc7fa1a6a97c05c967

SHA256
3313fd9ad369bdee368d356036858a7fcc6182175a30a92a6b73e41e1b2a5eb7

SHA512
55af997bfcc532ff01e593471197555432481587c263eb3777e511c656e030edd6c34edce0778b07e117dae4b9ed18976d2ec5c2fe127511a5f29928223ab7c8

Download Submit
\Users\Admin\AppData\Local\Temp\is-0TE64.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/3248-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3248-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3988-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3988-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3988-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4044-59-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4044-60-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4044-63-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-77-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-96-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-74-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-68-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-80-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-82-0x00000000024D0000-0x0000000002572000-memory.dmp

Filesize
648KB

Download
memory/4480-85-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-90-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-93-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-71-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-99-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-102-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-106-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-109-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-112-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-115-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-118-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-121-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-124-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4480-129-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download

Analysis

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