socks5systemz | d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 23:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.exe
Size

5.3MB
MD5

ac70cccb7a70f3ea90bce7d4c9c94fce
SHA1

2fda5b219af302b279f67a5e70942dc6db4d9aa1
SHA256

d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a
SHA512

c4a4efb48e6adf9d87bf05253eec0608bd48b11ebfc5ca47edc336690188e6467c8fcc94cdb8dbf910d14ecbadf4f2622381ea0e1ed664fd3df752b84a2cd169
SSDEEP

98304:CRY+g6fT5NmKgUM7+oL8PehzkUNTiCl5uuxPxpp3TE1BEQxy:f+/759MHrkyjvQE

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/4580-86-0x0000000000B40000-0x0000000000BE2000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmpmp3doctorfree32_64.exemp3doctorfree32_64.exe

pid process

3212 d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp
4116 mp3doctorfree32_64.exe
4580 mp3doctorfree32_64.exe
Loads dropped DLL 1 IoCs

Processes:

d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp

pid process

3212 d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.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 91.211.247.248
Destination IP 152.89.198.214
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:

d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp

pid process

3212 d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp

resource	yara_rule
behavioral2/memory/4580-86-0x0000000000B40000-0x0000000000BE2000-memory.dmp	family_socks5systemz

pid	process
3212	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp
4116	mp3doctorfree32_64.exe
4580	mp3doctorfree32_64.exe

pid	process
3212	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	152.89.198.214
Destination IP	152.89.198.214

pid	process
3212	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.exed81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp

description	pid	process	target process
PID 1224 wrote to memory of 3212	1224	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.exe	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp
PID 1224 wrote to memory of 3212	1224	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.exe	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp
PID 1224 wrote to memory of 3212	1224	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.exe	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp
PID 3212 wrote to memory of 4116	3212	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp	mp3doctorfree32_64.exe
PID 3212 wrote to memory of 4116	3212	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp	mp3doctorfree32_64.exe
PID 3212 wrote to memory of 4116	3212	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp	mp3doctorfree32_64.exe
PID 3212 wrote to memory of 4580	3212	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp	mp3doctorfree32_64.exe
PID 3212 wrote to memory of 4580	3212	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp	mp3doctorfree32_64.exe
PID 3212 wrote to memory of 4580	3212	d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp	mp3doctorfree32_64.exe

C:\Users\Admin\AppData\Local\Temp\d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.exe
"C:\Users\Admin\AppData\Local\Temp\d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1224

C:\Users\Admin\AppData\Local\Temp\is-UEVHL.tmp\d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-UEVHL.tmp\d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp" /SL5="$A020A,5259257,54272,C:\Users\Admin\AppData\Local\Temp\d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3212

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -i
3⤵
- Executes dropped EXE
PID:4116

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -s
3⤵
- Executes dropped EXE
PID:4580

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\MP3Doctor Free 2020\mp3doctorfree32_64.exe
Filesize
3.9MB

MD5
df0d7a9284a80ad1e25bfacef9b0c0ff

SHA1
754b5ea9a4f6dc89e9c07d87ea23bca98b216012

SHA256
10d51cffb9450300b973c072292b27bd6c985fdfe32524b6877f6cd5827c4af0

SHA512
0c50e43c4b61cdc1069de99060413798cff1e77abb227780572a90f791dd0c309d1b1e2798f1c675ec75e19a4a91d2330073b51a82b444d96dffd37c7ba72704

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RVJP2.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-UEVHL.tmp\d81af2630cc243f327395844d00aeb90b8d3d9212aa8825784dab00ed328d66a.tmp
Filesize
680KB

MD5
6f995e2d6c8d0d1d03cb3afcd1deafaf

SHA1
0319dbd8c7b44067b82fed5272059757a526b3aa

SHA256
cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb

SHA512
207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d

Download Submit
memory/1224-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1224-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1224-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3212-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3212-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4116-60-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4116-59-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4116-65-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4116-63-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-72-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-90-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-68-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-74-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-76-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-79-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-82-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-85-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-86-0x0000000000B40000-0x0000000000BE2000-memory.dmp

Filesize
648KB

Download
memory/4580-69-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-96-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-99-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-102-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-105-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-108-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-111-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-114-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download
memory/4580-117-0x0000000000400000-0x00000000007F3000-memory.dmp

Filesize
3.9MB

Download