socks5systemz | c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676

Analysis

max time kernel
147s
max time network
151s
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 15:35

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General

Target

c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.exe
Size

5.0MB
MD5

e4474ec7d05c662a55764401a66e480b
SHA1

1daf732d394e3301b6048c4c5c0eae2d9b0d33b4
SHA256

c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676
SHA512

fa91393196b3fa44bb7b18562d016c54f3e7d5435d02cad5704c251b0b6c842508f42f85e9f476e6e70176eeee9ec80697daa3e310a035fc00f78f36d498ae27
SSDEEP

98304:Cdlpzv5q4P+BYzLzyXDEi7srL3Y04HOgZ+dIW8dxLBlyd9dUuE1bT5wCTAo0mRit:8pzg4sQOTV7srLIIgcszBgdguqJwSx0X

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/1136-88-0x0000000000920000-0x00000000009C2000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmpvkfreeaudiosaver32_64.exevkfreeaudiosaver32_64.exe

pid process

1524 c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp
2204 vkfreeaudiosaver32_64.exe
1136 vkfreeaudiosaver32_64.exe
Loads dropped DLL 1 IoCs

Processes:

c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp

pid process

1524 c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.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:

c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp

pid process

1524 c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp

resource	yara_rule
behavioral1/memory/1136-88-0x0000000000920000-0x00000000009C2000-memory.dmp	family_socks5systemz

pid	process
1524	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp
2204	vkfreeaudiosaver32_64.exe
1136	vkfreeaudiosaver32_64.exe

pid	process
1524	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp

description	ioc
Destination IP	141.98.234.31
Destination IP	91.211.247.248
Destination IP	152.89.198.214

pid	process
1524	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.exec1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp

description	pid	process	target process
PID 4864 wrote to memory of 1524	4864	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.exe	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp
PID 4864 wrote to memory of 1524	4864	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.exe	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp
PID 4864 wrote to memory of 1524	4864	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.exe	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp
PID 1524 wrote to memory of 2204	1524	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp	vkfreeaudiosaver32_64.exe
PID 1524 wrote to memory of 2204	1524	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp	vkfreeaudiosaver32_64.exe
PID 1524 wrote to memory of 2204	1524	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp	vkfreeaudiosaver32_64.exe
PID 1524 wrote to memory of 1136	1524	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp	vkfreeaudiosaver32_64.exe
PID 1524 wrote to memory of 1136	1524	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp	vkfreeaudiosaver32_64.exe
PID 1524 wrote to memory of 1136	1524	c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp	vkfreeaudiosaver32_64.exe

C:\Users\Admin\AppData\Local\Temp\c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.exe
"C:\Users\Admin\AppData\Local\Temp\c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4864

C:\Users\Admin\AppData\Local\Temp\is-FALPR.tmp\c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp
"C:\Users\Admin\AppData\Local\Temp\is-FALPR.tmp\c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp" /SL5="$60162,4996530,54272,C:\Users\Admin\AppData\Local\Temp\c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1524

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:2204

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:1136

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\is-FALPR.tmp\c1ddffb2a83ec3afb3959120e90dffe209af79930340eaa739c5c72c7fc8e676.tmp
Filesize
680KB

MD5
70295416713c0ce535665d806e3d54ac

SHA1
fe13c334ec67412f41fe190f93da7d45a57eccbd

SHA256
958c5f807a8268b09828e0f02a6c75a92f3a87dbd1853eb62e5996db990ba2ba

SHA512
2336597fb6ffe697ba62cd931479108556fee44319176989f961ae43aea62b111df6870a169202c6d960aface42779a2f82db48a69fe2072b711a512812f925c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-R5M4R.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32_64.exe
Filesize
3.5MB

MD5
5038474a42d77c89a0c82fa0abbda2db

SHA1
6b1776e1dd15ce1119dd3774e0bed8bbfc9d8e07

SHA256
c5231ccd911948b895d3404b94a0830bbb7ed7a5fa5e97d753c059dabb0cf3f3

SHA512
2b7ef2c28e2fb3ba570972cf3c259d262f5258e333e385ba20574fb286f652391a5319d4aa71c918f6d7faf91df7febaf355b13f37e39804f9514b4b414d9c87

Download Submit
memory/1136-90-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-76-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-116-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-113-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-110-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-107-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-104-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-67-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-69-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-101-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-98-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-72-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-75-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-95-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-79-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-82-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-85-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1136-88-0x0000000000920000-0x00000000009C2000-memory.dmp

Filesize
648KB

Download
memory/1524-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1524-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2204-65-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2204-63-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2204-60-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2204-59-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4864-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4864-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4864-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download