socks5systemz | 3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1

General

Target

3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe
Size

3.8MB
MD5

0f51b942699f37fb270c79991a2bb926
SHA1

4ee782937cf1ca5aed3bf5fb195a63f9f55f3fdb
SHA256

3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1
SHA512

4164fc0d59863244f4170545a90234430a1f95451951cf52c6a0905f770aa70e9f152ab0469509f35f49a6a0175b202d874a83a79f4313838149f711623a220f
SSDEEP

49152:1vhu5jDH241XBf1pqEa6uiHX8vCWNoHMD0AfUdjuhjSyom0a5MAkc4gR4EAVVTV:NKXH1Ng7BisvCyosD0Af/hWyoM3v4cG7

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2780-79-0x0000000000A60000-0x0000000000B02000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmplerryvideo3.exe

pid	Process
2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp
2780	lerryvideo3.exe

Loads dropped DLL 4 IoCs

Processes:

3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmplerryvideo3.exe

pid	Process
2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp
2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp
2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp
2780	lerryvideo3.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	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

Processes:

3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmpnet.exenet1.exelerryvideo3.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.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	lerryvideo3.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp

pid	Process
2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp
2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp

pid	Process
2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmpnet.exe

description	pid	Process	procid_target
PID 4676 wrote to memory of 2088	4676	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe	83
PID 4676 wrote to memory of 2088	4676	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe	83
PID 4676 wrote to memory of 2088	4676	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe	83
PID 2088 wrote to memory of 624	2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp	84
PID 2088 wrote to memory of 624	2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp	84
PID 2088 wrote to memory of 624	2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp	84
PID 2088 wrote to memory of 2780	2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp	85
PID 2088 wrote to memory of 2780	2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp	85
PID 2088 wrote to memory of 2780	2088	3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp	85
PID 624 wrote to memory of 3936	624	net.exe	87
PID 624 wrote to memory of 3936	624	net.exe	87
PID 624 wrote to memory of 3936	624	net.exe	87

C:\Users\Admin\AppData\Local\Temp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe
"C:\Users\Admin\AppData\Local\Temp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Users\Admin\AppData\Local\Temp\is-91UDI.tmp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-91UDI.tmp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp" /SL5="$7005E,3720544,54272,C:\Users\Admin\AppData\Local\Temp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.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:2088
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause lerry_video_11263
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:624
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause lerry_video_11263
      4⤵
      System Location Discovery: System Language Discovery
      PID:3936
- - C:\Users\Admin\AppData\Local\Lerry Video 22.0.993\lerryvideo3.exe
    "C:\Users\Admin\AppData\Local\Lerry Video 22.0.993\lerryvideo3.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2780

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\Lerry Video 22.0.993\lerryvideo3.exe

Filesize
3.3MB

MD5
bb4c48f2d5845919e575b45ab39705a9

SHA1
4abbf1c3cec2aefdfe63865099329252d61b02e1

SHA256
d273aab747b6d8ae68062ed717ae967629f20e821e056cbe4d2687b2ad34314f

SHA512
ce6dfea06af5e9f1334a15069aa86c32006ebb3bd23a6131aa49b9c447b52e2cbc2093e95924b96d439c816dc149b93aa79b4cfb2a5967ad3a6fde31dd2b3e46

Download Submit
C:\Users\Admin\AppData\Local\Lerry Video 22.0.993\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-436SC.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-436SC.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-91UDI.tmp\3f29edc45c2ae9845b9e91e03ed79cb5aa46159320911a80a1ae2d00cfca83d1.tmp

Filesize
687KB

MD5
c04a02f8b093ac408b2ae709e36e741c

SHA1
284d702a7c5d946152e8dc3259333dfecc0a9239

SHA256
64faae487c106c7fc47192d72e4871ed111b60f69c13a79464c4f2c5e9bc0905

SHA512
410dc53283fe4ba1404b56adbe5c5f159580f091d5e40cc5ba4e5e4c5507fd3554756da793613de21d5b99c8f1e8517a34d81c1889205624f1f8123721269787

Download Submit
memory/2088-54-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2088-18-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2780-58-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-70-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-49-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-53-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-116-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-112-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-57-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-107-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-59-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2780-62-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-66-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-48-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-74-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-79-0x0000000000A60000-0x0000000000B02000-memory.dmp

Filesize
648KB

Download
memory/2780-81-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-87-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-91-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-95-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-99-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/2780-103-0x0000000000400000-0x0000000000757000-memory.dmp

Filesize
3.3MB

Download
memory/4676-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4676-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4676-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads