socks5systemz | 52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636

General

Target

52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.exe
Size

3.7MB
MD5

0eb344fbe261e0ab74c5406fa8400a2e
SHA1

fe77e43b7ce1e0d231e0ffeb6b077216cd9876fd
SHA256

52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636
SHA512

7ccfd303536e68cf8ae252112c13ea0d51f4a6bd068293372eb21b05736a6b8f6d22d6cf8e7c8941ca6cb993af732e93499730eadfdd92133cc00f1d8aed39f2
SSDEEP

98304:N4FVdK5m+TUHXZwkTKuSVdBdxrNKl4R+88AOtrXTy:Y65m+EXZBuNKl4R+88ft+

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4344-73-0x0000000000B30000-0x0000000000BD2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
4260	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp
4344	BeautyGuide.exe

Loads dropped DLL 2 IoCs

pid	Process
4260	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp
4344	BeautyGuide.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	141.98.234.31

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	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BeautyGuide.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4260	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp
4260	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4260	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 4260	1976	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.exe	83
PID 1976 wrote to memory of 4260	1976	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.exe	83
PID 1976 wrote to memory of 4260	1976	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.exe	83
PID 4260 wrote to memory of 2716	4260	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp	87
PID 4260 wrote to memory of 2716	4260	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp	87
PID 4260 wrote to memory of 2716	4260	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp	87
PID 4260 wrote to memory of 4344	4260	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp	89
PID 4260 wrote to memory of 4344	4260	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp	89
PID 4260 wrote to memory of 4344	4260	52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp	89
PID 2716 wrote to memory of 2544	2716	net.exe	90
PID 2716 wrote to memory of 2544	2716	net.exe	90
PID 2716 wrote to memory of 2544	2716	net.exe	90

C:\Users\Admin\AppData\Local\Temp\52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.exe
"C:\Users\Admin\AppData\Local\Temp\52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\is-F60TT.tmp\52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-F60TT.tmp\52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp" /SL5="$5025C,3594460,54272,C:\Users\Admin\AppData\Local\Temp\52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.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:4260
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause beauty_guide_11183
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2716
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause beauty_guide_11183
      4⤵
      System Location Discovery: System Language Discovery
      PID:2544
- - C:\Users\Admin\AppData\Local\Beauty Guide 2.2.9\BeautyGuide.exe
    "C:\Users\Admin\AppData\Local\Beauty Guide 2.2.9\BeautyGuide.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4344

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\Beauty Guide 2.2.9\BeautyGuide.exe

Filesize
4.7MB

MD5
2ae9ec035a1e863cdefa3e20a87047eb

SHA1
678d354ee9056257b91385ea61a3e74ce4514ac3

SHA256
67e086a8e7f923884719a0d4a0f8ed0df9243f8f2572d25f9dfe8664d129aa02

SHA512
744d5fd71e79f7ef6bab648c702579654f73dc3d4cd5aa61bdf55048dc04aeffae33ff2349fe6c6a875b6b2912bd7094ae109054ddf6edbe0b6d35da8beead11

Download Submit
C:\Users\Admin\AppData\Local\Beauty Guide 2.2.9\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F60TT.tmp\52bb19fc3356ef56abbd342ddcf55d5c0e9dd3e15bb41f86b9abed0ff8073636.tmp

Filesize
687KB

MD5
aedafe03ae0116d97ccea6ea6e55cc66

SHA1
3d5ef615b6a75c776670a1d576ec52c332c40437

SHA256
b00f1c80c4a90c3060f8c24f36ec3137ca2946026b4e0edbc87f98c6019001cd

SHA512
11da0521b16315e47ee58a7e8d2d2cd05535ed3ca53e9fea0a267af03ab875cee749a9f074aa6381bb2d038b2794f34652e6fdfb8a6d1b255f1b484e3134eee7

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q558M.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1976-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1976-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1976-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4260-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4260-15-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4344-52-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-75-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-43-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-51-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/4344-44-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-56-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-60-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-64-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-68-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-73-0x0000000000B30000-0x0000000000BD2000-memory.dmp

Filesize
648KB

Download
memory/4344-45-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-81-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-83-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-86-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-90-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-94-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-98-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-102-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-107-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download
memory/4344-111-0x0000000000400000-0x00000000008B7000-memory.dmp

Filesize
4.7MB

Download

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