socks5systemz | dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39

General

Target

dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.exe
Size

5.0MB
MD5

fc305092defe1f2e2c1b3cd9e99c4860
SHA1

d3e4c502bef44d6ae0caeb44b903baff34c453b6
SHA256

dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39
SHA512

65f9294bfb42b10cbfa9be1f68e09a31fb4dbc29937a9b327e59c375f9123856a318ca9db7d9b00388fe0752434014b1db84b2d588df5f35bcbf09ae18a49f2f
SSDEEP

98304:mImXN+SJO6lnQlIPWsMt0g+Ocyrvh1VhDmP6Aowv7twhDtZqhHpm1ZIvBHO9doM8:m9+SJO6lnQlIPWsRODrJ1V4vlmXqhpce

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ddhuguz.info

http://ddhuguz.info/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c2ec969e3e

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4428-83-0x00000000009E0000-0x0000000000A82000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2932	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp
4124	moonvoiceassist.exe
4428	moonvoiceassist.exe

Loads dropped DLL 1 IoCs

pid	Process
2932	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp

Unexpected DNS network traffic destination 1 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

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
2932	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 2932	4512	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.exe	73
PID 4512 wrote to memory of 2932	4512	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.exe	73
PID 4512 wrote to memory of 2932	4512	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.exe	73
PID 2932 wrote to memory of 4124	2932	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp	74
PID 2932 wrote to memory of 4124	2932	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp	74
PID 2932 wrote to memory of 4124	2932	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp	74
PID 2932 wrote to memory of 4428	2932	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp	75
PID 2932 wrote to memory of 4428	2932	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp	75
PID 2932 wrote to memory of 4428	2932	dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp	75

C:\Users\Admin\AppData\Local\Temp\dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.exe
"C:\Users\Admin\AppData\Local\Temp\dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Users\Admin\AppData\Local\Temp\is-SUPUB.tmp\dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-SUPUB.tmp\dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp" /SL5="$501F0,4976120,54272,C:\Users\Admin\AppData\Local\Temp\dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe
    "C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4124
- - C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe
    "C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4428

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\Moon Voice Assist\moonvoiceassist.exe

Filesize
3.3MB

MD5
89d3c3d7ec6f6495b84361ddad353eff

SHA1
93dfbbb417e8d62caa58c1534360b19c81108836

SHA256
0e3866167bc6dbd758b505a6da64c0bbc5adfdd50f9c6e8688a8768910cdfacb

SHA512
179b2a880cf8951f530b117f458548f87c292485c89bd04ee91065be71119af46dac492dbf76717576ffcfb28286b87c17852d30e84774aca43f46d6890fd420

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SUPUB.tmp\dd17f874ceb2b4a7f755e42419f9e72c45063a4f4ba13c1209e32a342fd86d39.tmp

Filesize
680KB

MD5
bb765f2ae7f9da76f9edef8dde07f1cf

SHA1
ba5af8f092247d9a81d9d50d5390bbe5a280501a

SHA256
65b94a7e8d0e19c89c871b49457934d80365d9a9c2ff781509a1cb68421da552

SHA512
a6d7f16c4bb1e6dde9e221ae343a2e46de39b314f56bb9877574b29d14becd209f131a5b649faa97aa847c252fe379b96a71791bdd1f102e054fafb7a8e0b0aa

Download Submit
\Users\Admin\AppData\Local\Temp\is-PJI5H.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2932-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2932-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4124-63-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4124-59-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4124-60-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-77-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-109-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-129-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-68-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-71-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-74-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-124-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-80-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-83-0x00000000009E0000-0x0000000000A82000-memory.dmp

Filesize
648KB

Download
memory/4428-85-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-90-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-93-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-96-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-99-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-102-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-105-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-121-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-112-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-115-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4428-118-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4512-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4512-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4512-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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