socks5systemz | 6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140

General

Target

6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe
Size

4.9MB
MD5

c917d38908a1d866f74b8a8f8b099bfa
SHA1

49ad7582a96557b6c496a1e2721fb34a72d153f2
SHA256

6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140
SHA512

dd15de162fe2fb3bdd079eb2560180f0cee8b1b9a660fb0c8827f1333f4631c2e4c342b82d81ab42c60912b07cf5654ca35d1592037947798a9e0ab71e2a9f60
SSDEEP

98304:mNlDtDC9uawhTVtGyqQjhcXrrJfYeWJDNgCvoYvX5dx6h3YKnhtK4Hbse:clDtDDT2yq0mrrJwee0YvXfxClnhtjp

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bolitur.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3548-86-0x0000000000A60000-0x0000000000B02000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3916	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp
3304	moonvoiceassist32_64.exe
3548	moonvoiceassist32_64.exe

Loads dropped DLL 1 IoCs

pid	Process
3916	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.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	91.211.247.248
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
3916	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 3916	2716	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe	77
PID 2716 wrote to memory of 3916	2716	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe	77
PID 2716 wrote to memory of 3916	2716	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe	77
PID 3916 wrote to memory of 3304	3916	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	78
PID 3916 wrote to memory of 3304	3916	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	78
PID 3916 wrote to memory of 3304	3916	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	78
PID 3916 wrote to memory of 3548	3916	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	79
PID 3916 wrote to memory of 3548	3916	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	79
PID 3916 wrote to memory of 3548	3916	6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp	79

C:\Users\Admin\AppData\Local\Temp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe
"C:\Users\Admin\AppData\Local\Temp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\is-UTQ79.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-UTQ79.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp" /SL5="$40218,4836535,54272,C:\Users\Admin\AppData\Local\Temp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3916
- - C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
    "C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3304
- - C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
    "C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3548

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

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Downloads

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe

Filesize
3.0MB

MD5
0e0e8f9a6f0d23b831c5ff76d0c7a15e

SHA1
f53aa118c444f3da2f17f83748d22f6457702812

SHA256
462f692b554343ad0b9f3a8af3f00588bbcf2fd94ae49bce8ed1dc74d9c4bf3d

SHA512
370eddc63a77e1b448ee9dded76a7221d30746f3245fbabc8cd80e0d524c822c3d8925872ba2797f77bb09f3b7e61d00076f64a44b603dfcfdfe3f36e3a5f2db

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-UTQ79.tmp\6413fd90f62c0208818f1ae7ca1f4062fa8868b80d3a45752a725dd7bdce9140.tmp

Filesize
680KB

MD5
895d982b558dbe81e0d8d31e818f766e

SHA1
27d9e61b8edaf48db4c519be05f0f4ea33900a7a

SHA256
3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb

SHA512
4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

Download Submit
memory/2716-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2716-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2716-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3304-59-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3304-60-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3304-63-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3304-64-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-73-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-86-0x0000000000A60000-0x0000000000B02000-memory.dmp

Filesize
648KB

Download
memory/3548-115-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-70-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-112-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-74-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-77-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-80-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-83-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-67-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-89-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-94-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-97-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-100-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-103-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-106-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3548-109-0x0000000000400000-0x0000000000704000-memory.dmp

Filesize
3.0MB

Download
memory/3916-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3916-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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