socks5systemz | fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268

General

Target

fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.exe
Size

4.1MB
MD5

f5fd1e58e75a69fa6ef51d173241ff2d
SHA1

a6fb16646f13f49fe59c743aac46a780d5eb65c6
SHA256

fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268
SHA512

cf15b27af390286490b52ccab3d136ac90de81ad44090d01bff88b4aa002f8a4a98181cfe2a30a2f9ac40d173edd2b6c5835d1ae52f7ee8d2903e4607c9bf6d7
SSDEEP

98304:N0PS40OJDjqLscHusWCrOuzmgsBwQ42TeRGHMSago:270A6LBOsBdS4HfIo

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/3956-80-0x0000000000A10000-0x0000000000AB2000-memory.dmp	family_socks5systemz
behavioral2/memory/3956-110-0x0000000000A10000-0x0000000000AB2000-memory.dmp	family_socks5systemz
behavioral2/memory/3956-109-0x0000000000A10000-0x0000000000AB2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp
3956	2youplayer.exe

Loads dropped DLL 4 IoCs

pid	Process
4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp
4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp
4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp
3956	2youplayer.exe

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2youplayer.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp
4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 4628	3436	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.exe	82
PID 3436 wrote to memory of 4628	3436	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.exe	82
PID 3436 wrote to memory of 4628	3436	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.exe	82
PID 4628 wrote to memory of 2876	4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp	83
PID 4628 wrote to memory of 2876	4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp	83
PID 4628 wrote to memory of 2876	4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp	83
PID 4628 wrote to memory of 3956	4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp	84
PID 4628 wrote to memory of 3956	4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp	84
PID 4628 wrote to memory of 3956	4628	fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp	84
PID 2876 wrote to memory of 3348	2876	net.exe	86
PID 2876 wrote to memory of 3348	2876	net.exe	86
PID 2876 wrote to memory of 3348	2876	net.exe	86

C:\Users\Admin\AppData\Local\Temp\fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.exe
"C:\Users\Admin\AppData\Local\Temp\fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\is-3LQ2V.tmp\fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-3LQ2V.tmp\fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp" /SL5="$602B6,4020311,54272,C:\Users\Admin\AppData\Local\Temp\fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.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:4628
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause 2_you_player_11252
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2876
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause 2_you_player_11252
      4⤵
      System Location Discovery: System Language Discovery
      PID:3348
- - C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.2\2youplayer.exe
    "C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.2\2youplayer.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3956

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.2\2youplayer.exe

Filesize
3.3MB

MD5
db8e9d443378a6d03560592ff16272b1

SHA1
22447188ee7d4b9f29aee148a6d0a67f4031fa6d

SHA256
0c5b56d9407a9e2e4ba64c18b682fee27383993498d0bdcbb1a31ff8df851c6a

SHA512
b418254178af4b910a6464467bce8e77c72508f6081cd033ae608aedb774c7116cb8a1a08818474253204227dcdfa62363c1b1870e7e815b9d3ca1c63702b8a6

Download Submit
C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.2\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3LQ2V.tmp\fb66dd43fa36134fadaa562f7dace1c23cbcf182d24d4bf3c7c6ec0a500ce268.tmp

Filesize
687KB

MD5
7cf4e8495d667913655cb22e76934cf2

SHA1
0488a90440c82de83b8f6142603d12053519ce2f

SHA256
6782e04218593cab1bb1f49d87a3de969fa1173a5632372197c6facd3d5b4112

SHA512
c2c7e7a3f30276d3bdbda85cf037282565a465d1c9253f55dee7230bd474eed83366df180b1a99d4c6737af13ae157f87ab5289178400c4c2aa3684dc24863ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D1ELB.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D1ELB.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
memory/3436-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3436-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3436-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3956-62-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-74-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-53-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-118-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-48-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-57-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-59-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/3956-58-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-114-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-66-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-70-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-49-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-80-0x0000000000A10000-0x0000000000AB2000-memory.dmp

Filesize
648KB

Download
memory/3956-81-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-87-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-91-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-95-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-99-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-103-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-107-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/3956-110-0x0000000000A10000-0x0000000000AB2000-memory.dmp

Filesize
648KB

Download
memory/3956-109-0x0000000000A10000-0x0000000000AB2000-memory.dmp

Filesize
648KB

Download
memory/4628-21-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4628-54-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

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