socks5systemz | e709b26315714057ce041823f8a63f38064790a4a2af8fa00a9b63ea19d82329

General

Target

dcf45a3386d6e8a1efa6b2040125c3ca.exe
Size

5.3MB
MD5

dcf45a3386d6e8a1efa6b2040125c3ca
SHA1

6a7e356507bd3777b6cd9677627e31ce6be7d9cf
SHA256

e709b26315714057ce041823f8a63f38064790a4a2af8fa00a9b63ea19d82329
SHA512

c32ecdc9ec8aaab6c1fd12eff22e83b74f9300e66d9cdfce1f1cf182a944e54a9f4e1a3ee6508aadc7927691760faa89591da6ba8b4298e5eb5cd513bdad6ae8
SSDEEP

98304:MW5j/7pHsZpdItCe3f2Ic0srZCngwwoyR3BDr2ZWpz8UuAxKPtsqJ:/5j/lMZpdyCk1sVwkTR3MMz8UuAsFsU

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3036-105-0x0000000002A70000-0x0000000002B12000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

dcf45a3386d6e8a1efa6b2040125c3ca.tmpblurayplayer32.exe

pid	Process
2696	dcf45a3386d6e8a1efa6b2040125c3ca.tmp
3036	blurayplayer32.exe

Loads dropped DLL 5 IoCs

Processes:

dcf45a3386d6e8a1efa6b2040125c3ca.exedcf45a3386d6e8a1efa6b2040125c3ca.tmp

pid	Process
2424	dcf45a3386d6e8a1efa6b2040125c3ca.exe
2696	dcf45a3386d6e8a1efa6b2040125c3ca.tmp
2696	dcf45a3386d6e8a1efa6b2040125c3ca.tmp
2696	dcf45a3386d6e8a1efa6b2040125c3ca.tmp
2696	dcf45a3386d6e8a1efa6b2040125c3ca.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	45.155.250.90

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

Processes:

dcf45a3386d6e8a1efa6b2040125c3ca.exedcf45a3386d6e8a1efa6b2040125c3ca.tmpblurayplayer32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dcf45a3386d6e8a1efa6b2040125c3ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dcf45a3386d6e8a1efa6b2040125c3ca.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	blurayplayer32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

dcf45a3386d6e8a1efa6b2040125c3ca.tmp

pid	Process
2696	dcf45a3386d6e8a1efa6b2040125c3ca.tmp
2696	dcf45a3386d6e8a1efa6b2040125c3ca.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

dcf45a3386d6e8a1efa6b2040125c3ca.tmp

pid	Process
2696	dcf45a3386d6e8a1efa6b2040125c3ca.tmp

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

dcf45a3386d6e8a1efa6b2040125c3ca.exedcf45a3386d6e8a1efa6b2040125c3ca.tmp

description	pid	Process	procid_target
PID 2424 wrote to memory of 2696	2424	dcf45a3386d6e8a1efa6b2040125c3ca.exe	30
PID 2424 wrote to memory of 2696	2424	dcf45a3386d6e8a1efa6b2040125c3ca.exe	30
PID 2424 wrote to memory of 2696	2424	dcf45a3386d6e8a1efa6b2040125c3ca.exe	30
PID 2424 wrote to memory of 2696	2424	dcf45a3386d6e8a1efa6b2040125c3ca.exe	30
PID 2424 wrote to memory of 2696	2424	dcf45a3386d6e8a1efa6b2040125c3ca.exe	30
PID 2424 wrote to memory of 2696	2424	dcf45a3386d6e8a1efa6b2040125c3ca.exe	30
PID 2424 wrote to memory of 2696	2424	dcf45a3386d6e8a1efa6b2040125c3ca.exe	30
PID 2696 wrote to memory of 3036	2696	dcf45a3386d6e8a1efa6b2040125c3ca.tmp	31
PID 2696 wrote to memory of 3036	2696	dcf45a3386d6e8a1efa6b2040125c3ca.tmp	31
PID 2696 wrote to memory of 3036	2696	dcf45a3386d6e8a1efa6b2040125c3ca.tmp	31
PID 2696 wrote to memory of 3036	2696	dcf45a3386d6e8a1efa6b2040125c3ca.tmp	31

C:\Users\Admin\AppData\Local\Temp\dcf45a3386d6e8a1efa6b2040125c3ca.exe
"C:\Users\Admin\AppData\Local\Temp\dcf45a3386d6e8a1efa6b2040125c3ca.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\is-UDHSB.tmp\dcf45a3386d6e8a1efa6b2040125c3ca.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-UDHSB.tmp\dcf45a3386d6e8a1efa6b2040125c3ca.tmp" /SL5="$301CE,5239339,56832,C:\Users\Admin\AppData\Local\Temp\dcf45a3386d6e8a1efa6b2040125c3ca.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:2696
- - C:\Users\Admin\AppData\Local\BluRay Player 1.2.16\blurayplayer32.exe
    "C:\Users\Admin\AppData\Local\BluRay Player 1.2.16\blurayplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\BluRay Player 1.2.16\blurayplayer32.exe

Filesize
4.5MB

MD5
72dfeb99daf355dde1a7cd0482a98954

SHA1
bbe61f570508446222cfbebcc2a648199085b95d

SHA256
c1e5aa5ce3b549cfc00285b701f0c074dc66a6087c6ed7f275619c30e7067a70

SHA512
b7dbf6278139e994e58e1180c45f568473b3093cd3cf5ad30bbee30ebdee579fcf2acd9781fd20cca401290a1d2539b762e8097aac05ec45287b880854d9217a

Download Submit
\Users\Admin\AppData\Local\Temp\is-4C0TR.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-4C0TR.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-UDHSB.tmp\dcf45a3386d6e8a1efa6b2040125c3ca.tmp

Filesize
690KB

MD5
aa4c6a433329f72ad8b338f73bab7738

SHA1
50f3dff83ca91ceb667de82f80be1e15f8daae2f

SHA256
94c50a23774a7953c7b916c8726fb36143437b0308c57283a1f72eebf6ed6bab

SHA512
53bcda0eb56def8bb22659c51862aadda178e2c51c174cd06ed79b270f417a4f3712c186988c36d2643753a50722ca78c54cf44a46377bbb6900135fe6f5ff83

Download Submit
memory/2424-87-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2424-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2424-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2696-8-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2696-81-0x0000000003430000-0x00000000038BC000-memory.dmp

Filesize
4.5MB

Download
memory/2696-114-0x0000000003430000-0x00000000038BC000-memory.dmp

Filesize
4.5MB

Download
memory/2696-86-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3036-95-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-82-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-92-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-83-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-98-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-101-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-104-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-105-0x0000000002A70000-0x0000000002B12000-memory.dmp

Filesize
648KB

Download
memory/3036-111-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-89-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-115-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-118-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-121-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-124-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-127-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-131-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download
memory/3036-134-0x0000000000400000-0x000000000088C000-memory.dmp

Filesize
4.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads