socks5systemz | 54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
02-07-2024 17:42

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General

Target

54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.exe
Size

5.2MB
MD5

5888657e5a6e61f8d728a4d548cf68f4
SHA1

77e1ebf70359ad0afd0413dee6aa4cc8e98afbc1
SHA256

54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8
SHA512

67380f66cbd3aea60a657685d207a37e1be221495c5fb74d227777d0c67a6f9a8de26cf8711c3e4b02aba9f52563cca45d64bb8ff9502862df424d1c01a2faa0
SSDEEP

98304:Cj2yMhvZMh1Hwl9PJ+o05pLTHzLHEKJrYDmZ82daseu8rq+XFV9/1Qxla:k2yKObwl9NezLRpYDmZBVe7rFH1Qva

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/1896-85-0x00000000025E0000-0x0000000002682000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmpudadvdfreeripper32_64.exeudadvdfreeripper32_64.exe

pid process

3220 54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp
1020 udadvdfreeripper32_64.exe
1896 udadvdfreeripper32_64.exe
Loads dropped DLL 1 IoCs

Processes:

54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp

pid process

3220 54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.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 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

Processes:

54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp

pid process

3220 54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp

resource	yara_rule
behavioral2/memory/1896-85-0x00000000025E0000-0x0000000002682000-memory.dmp	family_socks5systemz

pid	process
3220	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp
1020	udadvdfreeripper32_64.exe
1896	udadvdfreeripper32_64.exe

pid	process
3220	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
3220	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.exe54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp

description	pid	process	target process
PID 4244 wrote to memory of 3220	4244	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.exe	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp
PID 4244 wrote to memory of 3220	4244	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.exe	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp
PID 4244 wrote to memory of 3220	4244	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.exe	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp
PID 3220 wrote to memory of 1020	3220	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp	udadvdfreeripper32_64.exe
PID 3220 wrote to memory of 1020	3220	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp	udadvdfreeripper32_64.exe
PID 3220 wrote to memory of 1020	3220	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp	udadvdfreeripper32_64.exe
PID 3220 wrote to memory of 1896	3220	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp	udadvdfreeripper32_64.exe
PID 3220 wrote to memory of 1896	3220	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp	udadvdfreeripper32_64.exe
PID 3220 wrote to memory of 1896	3220	54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp	udadvdfreeripper32_64.exe

C:\Users\Admin\AppData\Local\Temp\54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.exe
"C:\Users\Admin\AppData\Local\Temp\54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4244

C:\Users\Admin\AppData\Local\Temp\is-7FLON.tmp\54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp
"C:\Users\Admin\AppData\Local\Temp\is-7FLON.tmp\54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp" /SL5="$40208,5152939,54272,C:\Users\Admin\AppData\Local\Temp\54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3220

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe" -i
3⤵
- Executes dropped EXE
PID:1020

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe" -s
3⤵
- Executes dropped EXE
PID:1896

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-7FLON.tmp\54766a09fdbf6fe7bd46a98a8d9bd28fab9ce6596dbe98628fab27a561d0b1d8.tmp
Filesize
680KB

MD5
abcd6f574ffe756e51da3afb3c212040

SHA1
ea0ecf034c3122d64395aaafa59ea701d6b86c00

SHA256
441148131dcb4a120bbc5909fafc077d739274062eddb093fe3d072ec3dc29b7

SHA512
41d2fafdd9b89da7510d683ae8d0b4fc7ff92889d8b684a04b7684940b2db3587685c453547afec570ee1f28ad95376d3ac052372f0a08a0eb4604dd811f7c03

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-GA9AV.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
Filesize
3.8MB

MD5
97ce14674e05d4ccc0118e1856e29709

SHA1
3c971224abc7ce8a4dedb2192310e5f38da88b86

SHA256
ce33b9ffe448d2c55db3335eb8d746c1316e0e0662debe2d478c7118b7329bef

SHA512
5e364a4c7f0d37afb60da59115368abb16df6e539da122bda2b1ecae58a1315f20fdf03d252bd73d035e23cf89e1bebbd0c6ef10b5e7191aa71ac03ed5c376a5

Download Submit
memory/1020-59-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1020-60-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1020-63-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-70-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-102-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-114-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-67-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-111-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-108-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-105-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-73-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-76-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-79-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-82-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-85-0x00000000025E0000-0x0000000002682000-memory.dmp

Filesize
648KB

Download
memory/1896-87-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-93-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-96-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/1896-99-0x0000000000400000-0x00000000007DC000-memory.dmp

Filesize
3.9MB

Download
memory/3220-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3220-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4244-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4244-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4244-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download