socks5systemz | f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02-07-2024 08:47

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General

Target

f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.exe
Size

5.2MB
MD5

ee06681e1c4a9d5468735266a6245ba5
SHA1

525a73f6c334302e3a3e546d8411fcb5abfec418
SHA256

f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4
SHA512

b79d39f4d896185bb847325472f66501213278167d81b59ff2d09735bff0ab0de2fbbfa7a72f2f6fcc05b892adba4f1052ff516ae914ec853e62b406de91bd54
SSDEEP

98304:Cgx55yxTNf9kGh3gRckf0XviofJt+46QjU7huHATZepx8nu6TrU5QxS:Li5fd+N0fNxk46p7MgTZsu7r0Q0

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/1536-85-0x0000000002790000-0x0000000002832000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmpudadvdfreeripper.exeudadvdfreeripper.exe

pid process

1736 f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp
1732 udadvdfreeripper.exe
1536 udadvdfreeripper.exe
Loads dropped DLL 1 IoCs

Processes:

f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp

pid process

1736 f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 141.98.234.31
Destination IP 91.211.247.248
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:

f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp

pid process

1736 f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp

resource	yara_rule
behavioral1/memory/1536-85-0x0000000002790000-0x0000000002832000-memory.dmp	family_socks5systemz

pid	process
1736	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp
1732	udadvdfreeripper.exe
1536	udadvdfreeripper.exe

pid	process
1736	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp

description	ioc
Destination IP	141.98.234.31
Destination IP	91.211.247.248
Destination IP	152.89.198.214

pid	process
1736	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.exef38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp

description	pid	process	target process
PID 4888 wrote to memory of 1736	4888	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.exe	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp
PID 4888 wrote to memory of 1736	4888	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.exe	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp
PID 4888 wrote to memory of 1736	4888	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.exe	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp
PID 1736 wrote to memory of 1732	1736	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp	udadvdfreeripper.exe
PID 1736 wrote to memory of 1732	1736	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp	udadvdfreeripper.exe
PID 1736 wrote to memory of 1732	1736	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp	udadvdfreeripper.exe
PID 1736 wrote to memory of 1536	1736	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp	udadvdfreeripper.exe
PID 1736 wrote to memory of 1536	1736	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp	udadvdfreeripper.exe
PID 1736 wrote to memory of 1536	1736	f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp	udadvdfreeripper.exe

C:\Users\Admin\AppData\Local\Temp\f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.exe
"C:\Users\Admin\AppData\Local\Temp\f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4888

C:\Users\Admin\AppData\Local\Temp\is-8JMLC.tmp\f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp
"C:\Users\Admin\AppData\Local\Temp\is-8JMLC.tmp\f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp" /SL5="$701E8,5234978,54272,C:\Users\Admin\AppData\Local\Temp\f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1736

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe" -i
3⤵
- Executes dropped EXE
PID:1732

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe" -s
3⤵
- Executes dropped EXE
PID:1536

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-4GR4D.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8JMLC.tmp\f38aee722131c23c242f99a9dbea9c704d95ace59b05c76e56c88854698e07b4.tmp
Filesize
680KB

MD5
57f105eb048c2e407e3cf46e6a350d2e

SHA1
ddc7ca9f8d7974fcfe60dbac04465772ad91068e

SHA256
1d7a6131a37000b32deddac26b45589a3d1e1399d1231fb9916f388a17d87aff

SHA512
c7f77db12ce7c705b418753b167fbbf1ee0a8cd3c75ca0f2da5fce4bfc9667b059494bd4b0c10a74e95c72beef09398a86746bcef7bf58bb84baa4ea1dae5007

Download Submit
C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
Filesize
4.2MB

MD5
cd8dc050e0765343987819366c518a64

SHA1
0c7772802d4811fa83b2fec7a697282c8080726e

SHA256
703fd136c67dcca05e3e709f123e7fbaeca6fd91d2c5388166508a6df9ad157b

SHA512
0e90a479416a4eca5d9b91a9b9968eb747e23aa21aee4f43ec7d29ccfdf09bdbe6a97af10864108de6e5776c4fbe8635b426ef294061d6fe1650b32d82642523

Download Submit
memory/1536-89-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-76-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-113-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-110-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-107-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-104-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-67-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-101-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-98-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-70-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-73-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-95-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-79-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-82-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1536-85-0x0000000002790000-0x0000000002832000-memory.dmp

Filesize
648KB

Download
memory/1536-92-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1732-64-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1732-60-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1732-59-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1736-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1736-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4888-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4888-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4888-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download