socks5systemz | d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837

Analysis

max time kernel
142s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 16:00

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General

Target

d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.exe
Size

5.1MB
MD5

cd7a12ee324866ddbc982b2742aa3e47
SHA1

6100aa5b081a9d99153c8642899775c95399f20c
SHA256

d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837
SHA512

a7cdd984cc3fb9fa6119bc8829611c20f168141f6822c52abcd870e5edd8ee3c2d3e6d6c7d4b0345533b44d20395e14ceac286635df83cc965c584055aeed735
SSDEEP

98304:CMRNFPsIaE/mPjPTxjPiTr5L64EeUv2iIpJnlMvVecRhCNU5wFDa9gjo+EtGUNFP:1XFkIa/xjaTlL6zrnrKl2cet90ABFH5j

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/4680-86-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmpvkfreeaudiosaver32_64.exevkfreeaudiosaver32_64.exe

pid process

4112 d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp
5048 vkfreeaudiosaver32_64.exe
4680 vkfreeaudiosaver32_64.exe
Loads dropped DLL 1 IoCs

Processes:

d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp

pid process

4112 d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.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:

d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp

pid process

4112 d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp

resource	yara_rule
behavioral1/memory/4680-86-0x0000000000AB0000-0x0000000000B52000-memory.dmp	family_socks5systemz

pid	process
4112	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp
5048	vkfreeaudiosaver32_64.exe
4680	vkfreeaudiosaver32_64.exe

pid	process
4112	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
4112	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.exed77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp

description	pid	process	target process
PID 1048 wrote to memory of 4112	1048	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.exe	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp
PID 1048 wrote to memory of 4112	1048	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.exe	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp
PID 1048 wrote to memory of 4112	1048	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.exe	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp
PID 4112 wrote to memory of 5048	4112	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp	vkfreeaudiosaver32_64.exe
PID 4112 wrote to memory of 5048	4112	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp	vkfreeaudiosaver32_64.exe
PID 4112 wrote to memory of 5048	4112	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp	vkfreeaudiosaver32_64.exe
PID 4112 wrote to memory of 4680	4112	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp	vkfreeaudiosaver32_64.exe
PID 4112 wrote to memory of 4680	4112	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp	vkfreeaudiosaver32_64.exe
PID 4112 wrote to memory of 4680	4112	d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp	vkfreeaudiosaver32_64.exe

C:\Users\Admin\AppData\Local\Temp\d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.exe
"C:\Users\Admin\AppData\Local\Temp\d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1048

C:\Users\Admin\AppData\Local\Temp\is-5817M.tmp\d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp
"C:\Users\Admin\AppData\Local\Temp\is-5817M.tmp\d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp" /SL5="$8006A,5097647,54272,C:\Users\Admin\AppData\Local\Temp\d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4112

C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32_64.exe
"C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32_64.exe" -i
3⤵
- Executes dropped EXE
PID:5048

C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32_64.exe
"C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32_64.exe" -s
3⤵
- Executes dropped EXE
PID:4680

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-099MG.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-5817M.tmp\d77ec6c3f8366e7fd6581e6771bdac0eb07684926d64cd292147e6df8c07e837.tmp
Filesize
680KB

MD5
70295416713c0ce535665d806e3d54ac

SHA1
fe13c334ec67412f41fe190f93da7d45a57eccbd

SHA256
958c5f807a8268b09828e0f02a6c75a92f3a87dbd1853eb62e5996db990ba2ba

SHA512
2336597fb6ffe697ba62cd931479108556fee44319176989f961ae43aea62b111df6870a169202c6d960aface42779a2f82db48a69fe2072b711a512812f925c

Download Submit
C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32_64.exe
Filesize
3.7MB

MD5
1da8d967b55503a50131ab546d989683

SHA1
b3de4ae795c268e492145f98866c74af9036e954

SHA256
05c774a755d83db7eebd98730c35a91ef64bf4cb6171095d148de7bdf2cb6fab

SHA512
005f671e7bdde8c1a4f7ff44bbfb93952f081a98a8f230a94b6d1fe4849a8a719454b65ce761e9161d08f1c844c34a48294f03aaea124e4e89f3196e0f95cdfb

Download Submit
memory/1048-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1048-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1048-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4112-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4112-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4680-96-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-83-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-68-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-115-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-112-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-71-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-74-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-77-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-80-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-109-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-86-0x0000000000AB0000-0x0000000000B52000-memory.dmp

Filesize
648KB

Download
memory/4680-88-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-93-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-105-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-99-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/4680-102-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/5048-59-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/5048-65-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/5048-60-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download
memory/5048-63-0x0000000000400000-0x00000000007B0000-memory.dmp

Filesize
3.7MB

Download