socks5systemz | 12c6c07545ab20856761fde15da87eb5627cfa12e277eb9a617f982ba7c7f5a4

General

Target

e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe
Size

5.0MB
MD5

f208ef093a844345efcc4743c3e6fbf4
SHA1

a0080b969c5e7d8a9b81f1bb4e9709fd3f554f78
SHA256

e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91
SHA512

7a5fa92124b91d985fbaca1efd93a9061849c40c10b4ca099d9d4fdba1b5f84e1af5f7575999244bc7bd76518dc814bbec27f6be9f89adc8ff025aef3461f87b
SSDEEP

98304:mOQLtBtY8s/NrjJ4yV10HkYWQrXJ7Y1oe8Bwx90DYu0N:pitBhk9jiG0HkYWmXJE1iBwv0Dk

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bpzqtov.com

http://bpzqtov.com/search/?q=67e28dd86f5ff42d4509ac187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8afd11c7ea91

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2628-95-0x00000000025B0000-0x0000000002652000-memory.dmp	family_socks5systemz

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

Processes:

e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmpmoonvoiceassist32.exemoonvoiceassist32.exe

pid process

1644 e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
2676 moonvoiceassist32.exe
2628 moonvoiceassist32.exe

pid	process
1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
2676	moonvoiceassist32.exe
2628	moonvoiceassist32.exe

Loads dropped DLL 5 IoCs

Processes:

e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exee5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp

pid	process
2000	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe
1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.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:

e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp

pid process

1644 e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exee5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp

description	pid	process	target process
PID 2000 wrote to memory of 1644	2000	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
PID 2000 wrote to memory of 1644	2000	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
PID 2000 wrote to memory of 1644	2000	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
PID 2000 wrote to memory of 1644	2000	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
PID 2000 wrote to memory of 1644	2000	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
PID 2000 wrote to memory of 1644	2000	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
PID 2000 wrote to memory of 1644	2000	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
PID 1644 wrote to memory of 2676	1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp	moonvoiceassist32.exe
PID 1644 wrote to memory of 2676	1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp	moonvoiceassist32.exe
PID 1644 wrote to memory of 2676	1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp	moonvoiceassist32.exe
PID 1644 wrote to memory of 2676	1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp	moonvoiceassist32.exe
PID 1644 wrote to memory of 2628	1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp	moonvoiceassist32.exe
PID 1644 wrote to memory of 2628	1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp	moonvoiceassist32.exe
PID 1644 wrote to memory of 2628	1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp	moonvoiceassist32.exe
PID 1644 wrote to memory of 2628	1644	e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp	moonvoiceassist32.exe

C:\Users\Admin\AppData\Local\Temp\e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe
"C:\Users\Admin\AppData\Local\Temp\e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2000

C:\Users\Admin\AppData\Local\Temp\is-36PH6.tmp\e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
"C:\Users\Admin\AppData\Local\Temp\is-36PH6.tmp\e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp" /SL5="$70124,5014292,54272,C:\Users\Admin\AppData\Local\Temp\e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1644

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:2676

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:2628

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

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Downloads

\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe
Filesize
3.2MB

MD5
abb7f7b13042d5c7ce643e7cdf0a7a60

SHA1
8b7910bf714762ef08da71af88191bc9685afafe

SHA256
e7ea4d1b1288b14204fb369fa5a1750de2722f61acea0c3bbbff3a38b7eb6e31

SHA512
e3163e932bc70b5377b5c33949aeaa396f1d2215af276a025d4a7439c5ec9564034a5d9322f2c7765e16067232da791ccda0202c75c439e63371669b0354ce36

Download Submit
\Users\Admin\AppData\Local\Temp\is-36PH6.tmp\e5bcefbc1c97efff5ea035c906409d4d5b8bd4ac4e015e252532d634c05d9f91.tmp
Filesize
680KB

MD5
b69bf30e5f252cfcf7d82c84f8374a82

SHA1
4730c8a8a06df84e640f6ebc2aaa6f1236405f04

SHA256
d84b7d9a290803b0f334562ef81c1048c271d37fb9bc2d819fce473f26cb364b

SHA512
278be468edc57b6774c81755b8334eb9084eb683eeedc7d7537e6b6fdc2c104ba5392e98853dcd4e8ae052e7ca92a880b34b10c46096cfc2bc5034a15e46e52a

Download Submit
\Users\Admin\AppData\Local\Temp\is-SG9VI.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-SG9VI.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1644-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1644-64-0x0000000003920000-0x0000000003C5D000-memory.dmp

Filesize
3.2MB

Download
memory/1644-79-0x0000000003920000-0x0000000003C5D000-memory.dmp

Filesize
3.2MB

Download
memory/1644-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2000-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2000-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2000-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2628-76-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-92-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-121-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-118-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-114-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-80-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-83-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-86-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-89-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-72-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-95-0x00000000025B0000-0x0000000002652000-memory.dmp

Filesize
648KB

Download
memory/2628-99-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-102-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-105-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-108-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2628-111-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2676-65-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2676-66-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/2676-70-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads