socks5systemz | 75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6

General

Target

75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.exe
Size

3.9MB
MD5

5e6a31c380ec68a2488f554efb111eac
SHA1

7e0c1e694d4621d9d183732c4d6132386e7090ad
SHA256

75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6
SHA512

bf8950af595e89d9374adcb3b114357bae13d228ce22ff5b093d897b41fdf9477e3c2b3f0eb8bfe958c328c58ab606c7520ba93c66ce85e569bfe2d83706b891
SSDEEP

98304:NHrAIqrX1fW3hCxuROpbWOzb85a+3pgCPEat4EM:t3qb1fW3gIRQf+nMaVM

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4828-73-0x0000000000C00000-0x0000000000CA2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
1540	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp
4828	BeautyGuide.exe

Loads dropped DLL 2 IoCs

pid	Process
1540	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp
4828	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	91.211.247.248

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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BeautyGuide.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1540	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp
1540	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1540	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3384 wrote to memory of 1540	3384	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.exe	83
PID 3384 wrote to memory of 1540	3384	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.exe	83
PID 3384 wrote to memory of 1540	3384	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.exe	83
PID 1540 wrote to memory of 3448	1540	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp	86
PID 1540 wrote to memory of 3448	1540	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp	86
PID 1540 wrote to memory of 3448	1540	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp	86
PID 1540 wrote to memory of 4828	1540	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp	88
PID 1540 wrote to memory of 4828	1540	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp	88
PID 1540 wrote to memory of 4828	1540	75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp	88
PID 3448 wrote to memory of 1264	3448	net.exe	89
PID 3448 wrote to memory of 1264	3448	net.exe	89
PID 3448 wrote to memory of 1264	3448	net.exe	89

C:\Users\Admin\AppData\Local\Temp\75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.exe
"C:\Users\Admin\AppData\Local\Temp\75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3384
- C:\Users\Admin\AppData\Local\Temp\is-2190P.tmp\75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2190P.tmp\75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp" /SL5="$60248,3823954,54272,C:\Users\Admin\AppData\Local\Temp\75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.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:1540
- - 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:3448
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause beauty_guide_11183
      4⤵
      System Location Discovery: System Language Discovery
      PID:1264
- - 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:4828

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
4.9MB

MD5
6832495bc85da7156dd75dfb0d8b2316

SHA1
14c131a0c34a71aca94fce98f9041f92b19ef7ae

SHA256
59707d266524959a02054ee86779966b359edb512a6ac7546f363c509622a2fa

SHA512
f8a13bcfe720206913a9dd84b8f358d20e8fa16d0bd7c576ed05e1ba39debaf92d7ffcf46eaa14c8258926c9d500010bdfa9674c24713b8b26992a6164c826c5

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-2190P.tmp\75348cefa63eabc6e8395cfe4dc9bcb25b04a15b706e94d32dc391cb6be1d4b6.tmp

Filesize
687KB

MD5
aedafe03ae0116d97ccea6ea6e55cc66

SHA1
3d5ef615b6a75c776670a1d576ec52c332c40437

SHA256
b00f1c80c4a90c3060f8c24f36ec3137ca2946026b4e0edbc87f98c6019001cd

SHA512
11da0521b16315e47ee58a7e8d2d2cd05535ed3ca53e9fea0a267af03ab875cee749a9f074aa6381bb2d038b2794f34652e6fdfb8a6d1b255f1b484e3134eee7

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D0DBI.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1540-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1540-12-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3384-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3384-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3384-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4828-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/4828-68-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-44-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-51-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-52-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-43-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-56-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-60-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-64-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-47-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-73-0x0000000000C00000-0x0000000000CA2000-memory.dmp

Filesize
648KB

Download
memory/4828-75-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-81-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-85-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-89-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-93-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-97-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-101-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-106-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download
memory/4828-110-0x0000000000400000-0x00000000008E9000-memory.dmp

Filesize
4.9MB

Download

Analysis

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