socks5systemz | ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627

General

Target

ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.exe
Size

4.8MB
MD5

2fc8cdbd76ea2a931873feec8a971eb6
SHA1

48d242d495dc1606f4ba07fef091a65f05c1ac4a
SHA256

ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627
SHA512

4117635edec3b47971c0a67d2041ac8120d845bb324849256395fb5b06b79a4b76ccc92373412e0902f502b357d926835691a5390074664b2015443dfb67c5ce
SSDEEP

98304:m+E2gOVws9LCuDW0MPuhklOxRc2ZnEyVXIQoqcQFe3lne:M2b1z9MPQXy4EyVX+mFeVe

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aigpmvu.ru

http://aigpmvu.ru/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ee969a3b

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2992-85-0x00000000009C0000-0x0000000000A62000-memory.dmp	family_socks5systemz

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

Processes:

ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exe

pid process

3876 ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp
3812 moonvoiceassist32_64.exe
2992 moonvoiceassist32_64.exe
Loads dropped DLL 1 IoCs

Processes:

ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp

pid process

3876 ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.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:

ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp

pid process

3876 ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp

pid	process
3876	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp
3812	moonvoiceassist32_64.exe
2992	moonvoiceassist32_64.exe

pid	process
3876	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
3876	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.exeff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp

description	pid	process	target process
PID 4604 wrote to memory of 3876	4604	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.exe	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp
PID 4604 wrote to memory of 3876	4604	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.exe	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp
PID 4604 wrote to memory of 3876	4604	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.exe	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp
PID 3876 wrote to memory of 3812	3876	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp	moonvoiceassist32_64.exe
PID 3876 wrote to memory of 3812	3876	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp	moonvoiceassist32_64.exe
PID 3876 wrote to memory of 3812	3876	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp	moonvoiceassist32_64.exe
PID 3876 wrote to memory of 2992	3876	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp	moonvoiceassist32_64.exe
PID 3876 wrote to memory of 2992	3876	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp	moonvoiceassist32_64.exe
PID 3876 wrote to memory of 2992	3876	ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp	moonvoiceassist32_64.exe

C:\Users\Admin\AppData\Local\Temp\ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.exe
"C:\Users\Admin\AppData\Local\Temp\ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4604

C:\Users\Admin\AppData\Local\Temp\is-GIA1E.tmp\ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp
"C:\Users\Admin\AppData\Local\Temp\is-GIA1E.tmp\ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp" /SL5="$80110,4772058,54272,C:\Users\Admin\AppData\Local\Temp\ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3876

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:3812

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:2992

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_64.exe

Filesize
2.9MB

MD5
571f6e2513a9feb08c600be741f6dcfa

SHA1
d2b005834cef2fd9acce3c271d087468d3856ac7

SHA256
f2b05bcd4e74e76c7453ed8015561d03231b8868dc98b1b75957564d8a419ae6

SHA512
7ed5ece37fc34e91872d2965c5898aa1c5ea3d78c24319a4cd43df452be89f57de2424e12f334010d29476cfe97265d84d1e5239ea528a8461f0c961dd3705e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-GIA1E.tmp\ff4a67e306e25103e16dc3483a76367a7e3df11fb8c5643a53f5ba67278f3627.tmp

Filesize
680KB

MD5
895d982b558dbe81e0d8d31e818f766e

SHA1
27d9e61b8edaf48db4c519be05f0f4ea33900a7a

SHA256
3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb

SHA512
4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

Download Submit
\Users\Admin\AppData\Local\Temp\is-GOG1H.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2992-107-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-111-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-85-0x00000000009C0000-0x0000000000A62000-memory.dmp

Filesize
648KB

Download
memory/2992-131-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-87-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-126-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-123-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-120-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-69-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-117-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-73-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-92-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-79-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-82-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-114-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-104-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-76-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-95-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-98-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2992-101-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/3812-60-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/3812-64-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/3812-59-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/3876-13-0x00007FF8A8370000-0x00007FF8A854B000-memory.dmp

Filesize
1.9MB

Download
memory/3876-72-0x00007FF8A8370000-0x00007FF8A854B000-memory.dmp

Filesize
1.9MB

Download
memory/3876-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4604-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4604-3-0x00007FF8A8370000-0x00007FF8A854B000-memory.dmp

Filesize
1.9MB

Download
memory/4604-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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