socks5systemz | 516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1

Analysis

max time kernel
142s
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
01-07-2024 13:11

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General

Target

516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.exe
Size

5.0MB
MD5

3739476d49aac66b33c9d76c91f6cb5d
SHA1

f9295c82ac2d643a1748f8673a4d7e7f0ffb8ebc
SHA256

516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1
SHA512

cf0e12fcec8e8ddcf4d3f59540cff5ff2774bc354c63deed7e3b5c30a5353ff54e7111ec85d5dcc82c6136643c2eb6f6fbf2802947ebd9777ad878e448e65a4a
SSDEEP

98304:C/kmz1cPPj8bv6sF/R7pP+R+hZE67W4FDYQUuo6uE5qEiN238iLQxle:16KPzq780vDkVOP5xLQK

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3040-85-0x0000000000910000-0x00000000009B2000-memory.dmp	family_socks5systemz
behavioral1/memory/3040-109-0x0000000000910000-0x00000000009B2000-memory.dmp	family_socks5systemz
behavioral1/memory/3040-110-0x0000000000910000-0x00000000009B2000-memory.dmp	family_socks5systemz

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

Processes:

516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmpmp3doctorfree32.exemp3doctorfree32.exe

pid process

4380 516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp
544 mp3doctorfree32.exe
3040 mp3doctorfree32.exe
Loads dropped DLL 1 IoCs

Processes:

516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp

pid process

4380 516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.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 141.98.234.31
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:

516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp

pid process

4380 516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp

pid	process
4380	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp
544	mp3doctorfree32.exe
3040	mp3doctorfree32.exe

pid	process
4380	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
4380	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.exe516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp

description	pid	process	target process
PID 4780 wrote to memory of 4380	4780	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.exe	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp
PID 4780 wrote to memory of 4380	4780	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.exe	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp
PID 4780 wrote to memory of 4380	4780	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.exe	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp
PID 4380 wrote to memory of 544	4380	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp	mp3doctorfree32.exe
PID 4380 wrote to memory of 544	4380	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp	mp3doctorfree32.exe
PID 4380 wrote to memory of 544	4380	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp	mp3doctorfree32.exe
PID 4380 wrote to memory of 3040	4380	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp	mp3doctorfree32.exe
PID 4380 wrote to memory of 3040	4380	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp	mp3doctorfree32.exe
PID 4380 wrote to memory of 3040	4380	516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp	mp3doctorfree32.exe

C:\Users\Admin\AppData\Local\Temp\516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.exe
"C:\Users\Admin\AppData\Local\Temp\516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4780

C:\Users\Admin\AppData\Local\Temp\is-CONJT.tmp\516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp
"C:\Users\Admin\AppData\Local\Temp\is-CONJT.tmp\516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp" /SL5="$401CC,4971230,54272,C:\Users\Admin\AppData\Local\Temp\516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4380

C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe" -i
3⤵
- Executes dropped EXE
PID:544

C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe" -s
3⤵
- Executes dropped EXE
PID:3040

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\MP3Doctor Free 2021\mp3doctorfree32.exe
Filesize
3.5MB

MD5
edd8954ae1bf339936c9b26dbc01aa62

SHA1
0b1f6caf838ddee75e694dae92f1e0a635806864

SHA256
2cdce9442f3717fab420c8266a522e43ee7a6899979d377fb19d2945e2575f8d

SHA512
16f5e26ba34ca57d7009fe8a4f09213bb28903b2ced67d08b398f95ad5436d79dfd9dd37c69a8e192b9b108433fcee9466c3bbf9487dafbc3b3f91f8f2eb5c2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CONJT.tmp\516a3de80a9084bd987a0e6dddf339f77e2661e523b3ddccf0584e82ae0499a1.tmp
Filesize
680KB

MD5
ccb0aaf8d3c06066757797254c79d1e4

SHA1
ed94ebd53602b25e6ae0d78c4fd25f74d0c3f688

SHA256
eb2f1a419f65636db628e3047fd9786a7a156c39a86433c5afa8238ed619aabd

SHA512
34007e899fc813653d2518a0201347dd738cc9c8adf0324e158c117b4ceef6537c15a4fe72c691b28f19c77b56b14aef7f6c7e3e8b8a3bcbd9391783ed1bed10

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-PFJV4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/544-60-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/544-65-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/544-63-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/544-59-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-74-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-85-0x0000000000910000-0x00000000009B2000-memory.dmp

Filesize
648KB

Download
memory/3040-117-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-68-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-114-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-110-0x0000000000910000-0x00000000009B2000-memory.dmp

Filesize
648KB

Download
memory/3040-71-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-109-0x0000000000910000-0x00000000009B2000-memory.dmp

Filesize
648KB

Download
memory/3040-77-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-80-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-83-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-108-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-88-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-93-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-96-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-99-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-102-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3040-105-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4380-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4380-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4780-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4780-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4780-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download