socks5systemz | 630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042

General

Target

630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.exe
Size

4.4MB
MD5

41d81cd5c9b7cd233e98621c3a05410a
SHA1

bf702072d70c932d263a432fad4b61f703070e82
SHA256

630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042
SHA512

d81d89a02237827d348e2c378242f0cc94936f579d957263fc5def51b522ff25f046e6a0e1e2e8e894a5f18e1ca570ddb6b2fcfdf21aaeacd4674bbc3079a23a
SSDEEP

98304:maUGzadECXbd6GxfWKe4RyCIT5Ie8aAS70/ppaPY/RD7N9Of:uCadECsG0KtRNITye8b/3rJfHOf

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aqijeus.ru

http://aqijeus.ru/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff711c0ed9d9e3e

http://aqijeus.ru/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12eab517aa5c96bd86e994824f825a8bbc896c58e713bc90c91836b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d9a3bcf679213

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/4100-84-0x00000000024A0000-0x0000000002542000-memory.dmp	family_socks5systemz
behavioral2/memory/4100-107-0x00000000024A0000-0x0000000002542000-memory.dmp	family_socks5systemz
behavioral2/memory/4100-108-0x00000000024A0000-0x0000000002542000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3668	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp
2724	moonvideo2audio32.exe
4100	moonvideo2audio32.exe

Loads dropped DLL 1 IoCs

pid	Process
3668	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.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
3668	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 164 wrote to memory of 3668	164	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.exe	73
PID 164 wrote to memory of 3668	164	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.exe	73
PID 164 wrote to memory of 3668	164	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.exe	73
PID 3668 wrote to memory of 2724	3668	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp	74
PID 3668 wrote to memory of 2724	3668	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp	74
PID 3668 wrote to memory of 2724	3668	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp	74
PID 3668 wrote to memory of 4100	3668	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp	75
PID 3668 wrote to memory of 4100	3668	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp	75
PID 3668 wrote to memory of 4100	3668	630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp	75

C:\Users\Admin\AppData\Local\Temp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.exe
"C:\Users\Admin\AppData\Local\Temp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:164
- C:\Users\Admin\AppData\Local\Temp\is-QCH1H.tmp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-QCH1H.tmp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp" /SL5="$5020A,4388601,54272,C:\Users\Admin\AppData\Local\Temp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3668
- - C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
    "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2724
- - C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe
    "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4100

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 VideoToAudio\moonvideo2audio32.exe

Filesize
2.3MB

MD5
9435c701aca5842a55280c38bff83705

SHA1
5293a3d020cefd50ea9b28e9559f252dd35e4576

SHA256
f41ec3ebf4959e08d69bf0b7be168b8079838446bba9ac0a9515f452d2450bd6

SHA512
c8f1b9fa578c01d20ef6a4df4a134acdfa8f94d70bfb0aad784702df2f67790ea218254255d584553868f3febac6c336a50c83f11684f2bcafbbee2bf1d0d2f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QCH1H.tmp\630774592da2038194a2dec4fbeaf07230e7bd00092371c22a1b30870803b042.tmp

Filesize
680KB

MD5
8ebef6645baa32451781267511737482

SHA1
2d8429a0137dbc67866dcb9faeb11eba1a2a617d

SHA256
205e7c503d2c5a7429ef51c23413577c06ff2672dd3d201a84182fdfc6788923

SHA512
ff8ae39ba9168ec2ecaacc6c87337a43879085b55fd1e4213f57c097327611aa931b8e30e8684752029759b2ad4cababef1af446490756caddd22bae2405666e

Download Submit
\Users\Admin\AppData\Local\Temp\is-67HCH.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/164-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/164-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/164-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2724-59-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2724-60-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2724-63-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/3668-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3668-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4100-81-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-100-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-72-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-75-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-78-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-65-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-84-0x00000000024A0000-0x0000000002542000-memory.dmp

Filesize
648KB

Download
memory/4100-86-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-91-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-94-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-97-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-69-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-103-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-106-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-107-0x00000000024A0000-0x0000000002542000-memory.dmp

Filesize
648KB

Download
memory/4100-108-0x00000000024A0000-0x0000000002542000-memory.dmp

Filesize
648KB

Download
memory/4100-112-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-115-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-118-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-121-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-124-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/4100-127-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download

Analysis

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