socks5systemz | 9c2b49dde271accdeb74a011a6091c6d7ed432326d24d424bc547eb57c343a6f

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
04/03/2025, 00:44

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General

Target

quarantine/infinity.exe
Size

3.5MB
MD5

f3e33202884d3aff1b011acd7750f4f8
SHA1

7bbd4b1f8384f07ad60683a25cdf82c96d1195b2
SHA256

6223ea95d9ec2d019c0244ffc67b9ad9aabc9db740f08abbded44c8818f928d8
SHA512

92ba9dcabece3c78af129474981e1969d3ac229da7e4fed4d06951e90066694eed954b361e9c951cca2446a1dca3454ae8c90cc01eab5d97fb13e61994b20569
SSDEEP

98304:3ydQ2R33mZIpPoGAy4eyU2ZDbw3bQBTLnJS:a33sfy4e8Z99jJS

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral14/memory/4364-74-0x0000000000810000-0x00000000008B0000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 2 IoCs

pid	Process
952	infinity.tmp
4364	smartfiledefrag13.exe

Loads dropped DLL 2 IoCs

pid	Process
952	infinity.tmp
4364	smartfiledefrag13.exe

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

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	infinity.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	infinity.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smartfiledefrag13.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
952	infinity.tmp
952	infinity.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
952	infinity.tmp

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 952	2676	infinity.exe	87
PID 2676 wrote to memory of 952	2676	infinity.exe	87
PID 2676 wrote to memory of 952	2676	infinity.exe	87
PID 952 wrote to memory of 4364	952	infinity.tmp	89
PID 952 wrote to memory of 4364	952	infinity.tmp	89
PID 952 wrote to memory of 4364	952	infinity.tmp	89

C:\Users\Admin\AppData\Local\Temp\quarantine\infinity.exe
"C:\Users\Admin\AppData\Local\Temp\quarantine\infinity.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\is-54376.tmp\infinity.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-54376.tmp\infinity.tmp" /SL5="$802CE,3457933,56832,C:\Users\Admin\AppData\Local\Temp\quarantine\infinity.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:952
- - C:\Users\Admin\AppData\Local\Smart File Defrag 7.1.3\smartfiledefrag13.exe
    "C:\Users\Admin\AppData\Local\Smart File Defrag 7.1.3\smartfiledefrag13.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Smart File Defrag 7.1.3\smartfiledefrag13.exe

Filesize
2.9MB

MD5
b613d3d4eadea3e65bee9f920ffa88a2

SHA1
121451a5d4f2c49d3a194992c4418cf130f6ea74

SHA256
21586cff912594096a699b483df4438523422e97f0d0c47e59a8da2bc4204dcf

SHA512
19c22fd7b322b65eda1ca75b4de281c22727b090a38181ff8c483660e6da071362258a79aee3f7ea01cca4c25bbbeab0ccc4857fb8abab9da412f9fa7c3065b4

Download Submit
C:\Users\Admin\AppData\Local\Smart File Defrag 7.1.3\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-54376.tmp\infinity.tmp

Filesize
694KB

MD5
a68e919aa98af0107e6c6c200955ef9c

SHA1
c48fc16fab8ab5f59c2619fad6c14c676faee68b

SHA256
8577c42c652797ce0b766cac8e82f0c35b78c24da42a56a0ae5e0fab3353e3f5

SHA512
183bc84d30d16a27ef509eb8fa75ee5687623825825ead596f3dfa6b84e4eb96d1495d54707ef8894e536d0e75717d0baade380b3a9f9a957606d62347de6d99

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-GV3I6.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/952-49-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/952-6-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2676-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2676-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2676-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4364-54-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-74-0x0000000000810000-0x00000000008B0000-memory.dmp

Filesize
640KB

Download
memory/4364-44-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/4364-52-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-43-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-57-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-61-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-65-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-69-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-73-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-48-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-80-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-84-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-85-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-89-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-93-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-97-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-101-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-115-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download
memory/4364-119-0x0000000000400000-0x00000000006EB000-memory.dmp

Filesize
2.9MB

Download