socks5systemz | d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85

General

Target

d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.exe
Size

5.0MB
MD5

f139693ba25b6e94329600065b2d6a3b
SHA1

7ce097ef58bc66005c5482bf24dc675d7132a3bb
SHA256

d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85
SHA512

238dd19908fa463d1c2d278b22b3229f75013f310d21f55501f26bf163b02cd5e06bece823e5bdc8294662c5656785128910f587ff64259ab54a636e4dc4681c
SSDEEP

98304:m5gh1mXGtEgW+WjN0g4GEYte86w/z7Q3CDupR14C13DmkNaBm6LSa4:4NXGSOaNB4GEYtePwwSiR1JB1YG9

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ckwjwgs.net

http://ckwjwgs.net/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff713c7e8919939

http://ckwjwgs.net/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12eab517aa5c96bd86ec94844e875a8bbc896c58e713bc90c91836b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d983cca6b9514

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1480-85-0x0000000002990000-0x0000000002A32000-memory.dmp	family_socks5systemz
behavioral2/memory/1480-109-0x0000000002990000-0x0000000002A32000-memory.dmp	family_socks5systemz
behavioral2/memory/1480-108-0x0000000002990000-0x0000000002A32000-memory.dmp	family_socks5systemz

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

Processes:

d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmpmoonvoiceassist32.exemoonvoiceassist32.exe

pid process

3652 d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp
3772 moonvoiceassist32.exe
1480 moonvoiceassist32.exe
Loads dropped DLL 1 IoCs

Processes:

d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp

pid process

3652 d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.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 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

Processes:

d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp

pid process

3652 d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp

pid	process
3652	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp
3772	moonvoiceassist32.exe
1480	moonvoiceassist32.exe

pid	process
3652	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
3652	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.exed976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp

description	pid	process	target process
PID 2044 wrote to memory of 3652	2044	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.exe	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp
PID 2044 wrote to memory of 3652	2044	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.exe	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp
PID 2044 wrote to memory of 3652	2044	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.exe	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp
PID 3652 wrote to memory of 3772	3652	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp	moonvoiceassist32.exe
PID 3652 wrote to memory of 3772	3652	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp	moonvoiceassist32.exe
PID 3652 wrote to memory of 3772	3652	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp	moonvoiceassist32.exe
PID 3652 wrote to memory of 1480	3652	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp	moonvoiceassist32.exe
PID 3652 wrote to memory of 1480	3652	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp	moonvoiceassist32.exe
PID 3652 wrote to memory of 1480	3652	d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp	moonvoiceassist32.exe

C:\Users\Admin\AppData\Local\Temp\d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.exe
"C:\Users\Admin\AppData\Local\Temp\d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2044

C:\Users\Admin\AppData\Local\Temp\is-NTG4T.tmp\d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp
"C:\Users\Admin\AppData\Local\Temp\is-NTG4T.tmp\d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp" /SL5="$40212,4983491,54272,C:\Users\Admin\AppData\Local\Temp\d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3652

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -i
3⤵
- Executes dropped EXE
PID:3772

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -s
3⤵
- Executes dropped EXE
PID:1480

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\moonvoiceassist32.exe
Filesize
3.2MB

MD5
a430a41366c7c8c8dfb169c0dda55418

SHA1
b99226ae49a7e3a9a4822492ea257f377551f308

SHA256
3278b1a7716437cfdf93cd21094661ace638c12281e5dd5683aa631f16de2d4a

SHA512
f94b161fe79d31873bcee0df1b55c88ae56e03a31fbf0bde69b4f1bcbfc37752b2cd2a1083ede3064e19d6e2f146ef2eecd0c01084a1c001762fabe0b8779a28

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KMGK4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-NTG4T.tmp\d976dae124217f1183e38e572141c6b011927abbc2c933d44aa3e6c182723e85.tmp
Filesize
680KB

MD5
b69bf30e5f252cfcf7d82c84f8374a82

SHA1
4730c8a8a06df84e640f6ebc2aaa6f1236405f04

SHA256
d84b7d9a290803b0f334562ef81c1048c271d37fb9bc2d819fce473f26cb364b

SHA512
278be468edc57b6774c81755b8334eb9084eb683eeedc7d7537e6b6fdc2c104ba5392e98853dcd4e8ae052e7ca92a880b34b10c46096cfc2bc5034a15e46e52a

Download Submit
memory/1480-98-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-101-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-116-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-113-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-108-0x0000000002990000-0x0000000002A32000-memory.dmp

Filesize
648KB

Download
memory/1480-109-0x0000000002990000-0x0000000002A32000-memory.dmp

Filesize
648KB

Download
memory/1480-67-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-107-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-104-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-70-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-73-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-76-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-79-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-82-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-85-0x0000000002990000-0x0000000002A32000-memory.dmp

Filesize
648KB

Download
memory/1480-86-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-92-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/1480-95-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2044-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2044-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2044-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3652-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3652-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3772-64-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/3772-60-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/3772-59-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download

Analysis

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