socks5systemz | 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7

Analysis

max time kernel
142s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 05:52

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General

Target

081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe
Size

5.1MB
MD5

87f2cbeb9961119c0b94bf927464b07c
SHA1

82f559f5c8c4026d682f86f92d92aeed9dda65de
SHA256

081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7
SHA512

1e361a37b9eff43d1132b4ca0c46015ee6b6f8224a8b444d057905a1866f9706a09f4ee7e9bfe4dc29e526ee339604936815a57366f6114a6ed453808370423e
SSDEEP

98304:CSJ32iFLlR83ezHvNX8fzEs8JNHWZMawVhJ/74/pMdXQYDwcr4e+p5Qx2:HJVZaOzNMfz98JuwVhJ/UxMlate+p5Qw

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4740-87-0x0000000000B10000-0x0000000000BB2000-memory.dmp	family_socks5systemz
behavioral1/memory/4740-110-0x0000000000B10000-0x0000000000BB2000-memory.dmp	family_socks5systemz
behavioral1/memory/4740-111-0x0000000000B10000-0x0000000000BB2000-memory.dmp	family_socks5systemz

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

Processes:

081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmpmp3doctorfree.exemp3doctorfree.exe

pid process

528 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp
2628 mp3doctorfree.exe
4740 mp3doctorfree.exe
Loads dropped DLL 1 IoCs

Processes:

081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp

pid process

528 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.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:

081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp

pid process

528 081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp

pid	process
528	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp
2628	mp3doctorfree.exe
4740	mp3doctorfree.exe

pid	process
528	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
528	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp

description	pid	process	target process
PID 3544 wrote to memory of 528	3544	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp
PID 3544 wrote to memory of 528	3544	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp
PID 3544 wrote to memory of 528	3544	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp
PID 528 wrote to memory of 2628	528	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp	mp3doctorfree.exe
PID 528 wrote to memory of 2628	528	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp	mp3doctorfree.exe
PID 528 wrote to memory of 2628	528	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp	mp3doctorfree.exe
PID 528 wrote to memory of 4740	528	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp	mp3doctorfree.exe
PID 528 wrote to memory of 4740	528	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp	mp3doctorfree.exe
PID 528 wrote to memory of 4740	528	081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp	mp3doctorfree.exe

C:\Users\Admin\AppData\Local\Temp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe
"C:\Users\Admin\AppData\Local\Temp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3544

C:\Users\Admin\AppData\Local\Temp\is-HB399.tmp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp
"C:\Users\Admin\AppData\Local\Temp\is-HB399.tmp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp" /SL5="$E0052,5130465,54272,C:\Users\Admin\AppData\Local\Temp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:528

C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -i
3⤵
- Executes dropped EXE
PID:2628

C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -s
3⤵
- Executes dropped EXE
PID:4740

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 2022\mp3doctorfree.exe
Filesize
3.7MB

MD5
cb85328072de1e83e649cb06d53d47b9

SHA1
b7212b5c192473e4176cf3655414ebb10f05d154

SHA256
4fdf7ed3fde9173543a8db72a5e3f8679cafabf0960d7e67cc1e319615b3e940

SHA512
3fe186564f2676bf3484b0522615c11f08779bcbe3c093c8d7a804aeb1fec4e98e03951961be6fe73b4a666c5ef56a1dfe6ca94c1406975c63fdc5bcce620880

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-02850.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HB399.tmp\081f30b34d4a55196fc4653de5eee38f4514fe51f63b39d35af34c2c3c68e8a7.tmp
Filesize
680KB

MD5
a8acbb635dadcdb78f1859944862815c

SHA1
83872731d4effcfa9d15612316210b2e76da02e4

SHA256
8727197eb8363c1c5fdb30b8a98323964d2444a38c3436d1d8c4e64e60c5789b

SHA512
f671adc769c422ef3eb651447c3aed365f70ce62f7f442b5b748d5f7f269be9b657711f2489c6a1b1132495f59f18fd6e4b683c029dd628b24b98a07da264cf7

Download Submit
memory/528-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/528-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2628-59-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/2628-60-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/2628-63-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/2628-64-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/3544-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3544-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3544-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4740-75-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-89-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-71-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-74-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-67-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-78-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-81-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-84-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-87-0x0000000000B10000-0x0000000000BB2000-memory.dmp

Filesize
648KB

Download
memory/4740-68-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-94-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-97-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-100-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-103-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-106-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-109-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-110-0x0000000000B10000-0x0000000000BB2000-memory.dmp

Filesize
648KB

Download
memory/4740-111-0x0000000000B10000-0x0000000000BB2000-memory.dmp

Filesize
648KB

Download
memory/4740-115-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download
memory/4740-118-0x0000000000400000-0x00000000007B7000-memory.dmp

Filesize
3.7MB

Download