socks5systemz | eb16b633187ae498fb15ad453e1a4194317a8eda531956da27f2425289f50d1d

General

Target

file.exe
Size

6.0MB
MD5

61a258d01ca778d303b44cbbf41becc1
SHA1

e2ab78bceb60663da12bd4ce6d827f1533d309be
SHA256

eb16b633187ae498fb15ad453e1a4194317a8eda531956da27f2425289f50d1d
SHA512

debc59ae8a6303d55995a8ed4a5898af2f5dd870426323e4e3356300fdac311172b4acff71067e1bca5e9e9832c580a51f49194c0f336d593d04dbd46c7e96ea
SSDEEP

98304:PX4AHTabXxL1XuXp3buabbtEUq7Q06EjS82psOlM/a+irbKX8M02Yyazx1O:v/HTabBsXp3SabbtjxvKS8d/a+iruXIY

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2812-94-0x0000000000A50000-0x0000000000AF2000-memory.dmp	family_socks5systemz
behavioral2/memory/2812-124-0x0000000000A50000-0x0000000000AF2000-memory.dmp	family_socks5systemz
behavioral2/memory/2812-125-0x0000000000A50000-0x0000000000AF2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz
Executes dropped EXE 2 IoCs

Processes:

file.tmpshineencoder.exe

pid process

4572 file.tmp
2812 shineencoder.exe
Loads dropped DLL 2 IoCs

Processes:

file.tmpshineencoder.exe

pid process

4572 file.tmp
2812 shineencoder.exe
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

pid	process
4572	file.tmp
2812	shineencoder.exe

pid	process
4572	file.tmp
2812	shineencoder.exe

description	ioc
Destination IP	45.155.250.90

System Location Discovery: System Language Discovery 1 TTPs 5 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:

net1.exefile.exefile.tmpshineencoder.exenet.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shineencoder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.tmp

pid process

4572 file.tmp
4572 file.tmp
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

file.tmp

pid process

4572 file.tmp

pid	process
4572	file.tmp
4572	file.tmp

pid	process
4572	file.tmp

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

file.exefile.tmpnet.exe

description	pid	process	target process
PID 764 wrote to memory of 4572	764	file.exe	file.tmp
PID 764 wrote to memory of 4572	764	file.exe	file.tmp
PID 764 wrote to memory of 4572	764	file.exe	file.tmp
PID 4572 wrote to memory of 1036	4572	file.tmp	net.exe
PID 4572 wrote to memory of 1036	4572	file.tmp	net.exe
PID 4572 wrote to memory of 1036	4572	file.tmp	net.exe
PID 4572 wrote to memory of 2812	4572	file.tmp	shineencoder.exe
PID 4572 wrote to memory of 2812	4572	file.tmp	shineencoder.exe
PID 4572 wrote to memory of 2812	4572	file.tmp	shineencoder.exe
PID 1036 wrote to memory of 3540	1036	net.exe	net1.exe
PID 1036 wrote to memory of 3540	1036	net.exe	net1.exe
PID 1036 wrote to memory of 3540	1036	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:764
- C:\Users\Admin\AppData\Local\Temp\is-TE22I.tmp\file.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-TE22I.tmp\file.tmp" /SL5="$60068,5587251,721408,C:\Users\Admin\AppData\Local\Temp\file.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:4572
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause shine-encoder_11151
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1036
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause shine-encoder_11151
      4⤵
      System Location Discovery: System Language Discovery
      PID:3540
- - C:\Users\Admin\AppData\Local\Shine Encoder 3.5.6\shineencoder.exe
    "C:\Users\Admin\AppData\Local\Shine Encoder 3.5.6\shineencoder.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2812

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\Shine Encoder 3.5.6\shineencoder.exe

Filesize
3.7MB

MD5
8c19fad6c2c62386207694841a01701d

SHA1
89125c3593711a8d7f48a131f45c7a31986fc101

SHA256
80a0c9d587f09b1180cd9756c741b8b626806c14550c4c8d350fd8cb9c948b87

SHA512
224dedb5dc523bd18db4572801c829b013ff0302ee96754fc98bcd72cb2b9990f651b5f3443094e5b8d1070088b7f52be581220e7325f237c0bd6e27563264b9

Download Submit
C:\Users\Admin\AppData\Local\Shine Encoder 3.5.6\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-83GMC.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TE22I.tmp\file.tmp

Filesize
2.4MB

MD5
e894765ba18048ec8e4beab361ea032f

SHA1
349b01bf9b04d9c3b8d5c7793a7469a4e457674d

SHA256
944cd134e89cf5f6716d74410651e05129a691f91140f9ace10fe954fa65237b

SHA512
7eae30393faa33c9a95452dec22a2abecf1ec805dbd0dad5e17b363daae2f9fb48b4310e6a9b882977e6c80aeeb0c403ade3fab28055092aade7c933745e304e

Download Submit
memory/764-70-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/764-2-0x0000000000401000-0x00000000004A9000-memory.dmp

Filesize
672KB

Download
memory/764-0-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2812-77-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-94-0x0000000000A50000-0x0000000000AF2000-memory.dmp

Filesize
648KB

Download
memory/2812-67-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-133-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-69-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-63-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-72-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-73-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2812-74-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-129-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-81-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-85-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-89-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-64-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-96-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-102-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-106-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-110-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-114-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-118-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-122-0x0000000000400000-0x00000000007B2000-memory.dmp

Filesize
3.7MB

Download
memory/2812-124-0x0000000000A50000-0x0000000000AF2000-memory.dmp

Filesize
648KB

Download
memory/2812-125-0x0000000000A50000-0x0000000000AF2000-memory.dmp

Filesize
648KB

Download
memory/4572-6-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/4572-68-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads