socks5systemz | 8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae

General

Target

8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe
Size

3.9MB
MD5

982b28b7a4ddf710c387bc1de86012fa
SHA1

cd16c3b0023aba3b81f76e62f3538a626b853e3f
SHA256

8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae
SHA512

f6ef7da09d2ea6c70a1be8bdcec4e18b7d87b9e0b4ec7f4c84aa26a3afdc140600c86a700b5a2ecedd7bfe1cd446222cbbbf2840e6737012d1d0f09be45f4f49
SSDEEP

98304:Nze4FaRxLWxw6lYS0KS+g2QNDUoTPzfKmVnW1CDQ1:5eTRwxw6lqKvzQNhz9VnvDU

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2704-80-0x0000000002BD0000-0x0000000002C72000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmplerryvideo.exe

pid	Process
2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp
2704	lerryvideo.exe

Loads dropped DLL 6 IoCs

Processes:

8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmplerryvideo.exe

pid	Process
2536	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe
2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp
2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp
2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp
2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp
2704	lerryvideo.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	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

Processes:

8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmpnet.exelerryvideo.exenet1.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lerryvideo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp

pid	Process
2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp
2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp

pid	Process
2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmpnet.exe

description	pid	Process	procid_target
PID 2536 wrote to memory of 2896	2536	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe	30
PID 2536 wrote to memory of 2896	2536	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe	30
PID 2536 wrote to memory of 2896	2536	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe	30
PID 2536 wrote to memory of 2896	2536	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe	30
PID 2536 wrote to memory of 2896	2536	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe	30
PID 2536 wrote to memory of 2896	2536	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe	30
PID 2536 wrote to memory of 2896	2536	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe	30
PID 2896 wrote to memory of 976	2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp	31
PID 2896 wrote to memory of 976	2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp	31
PID 2896 wrote to memory of 976	2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp	31
PID 2896 wrote to memory of 976	2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp	31
PID 2896 wrote to memory of 2704	2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp	33
PID 2896 wrote to memory of 2704	2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp	33
PID 2896 wrote to memory of 2704	2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp	33
PID 2896 wrote to memory of 2704	2896	8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp	33
PID 976 wrote to memory of 2836	976	net.exe	34
PID 976 wrote to memory of 2836	976	net.exe	34
PID 976 wrote to memory of 2836	976	net.exe	34
PID 976 wrote to memory of 2836	976	net.exe	34

C:\Users\Admin\AppData\Local\Temp\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe
"C:\Users\Admin\AppData\Local\Temp\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\is-P3LG8.tmp\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-P3LG8.tmp\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp" /SL5="$4010A,3881966,54272,C:\Users\Admin\AppData\Local\Temp\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.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:2896
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause lerry_video_11261
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:976
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause lerry_video_11261
      4⤵
      System Location Discovery: System Language Discovery
      PID:2836
- - C:\Users\Admin\AppData\Local\Lerry Video 22.0.1000\lerryvideo.exe
    "C:\Users\Admin\AppData\Local\Lerry Video 22.0.1000\lerryvideo.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2704

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 22.0.1000\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
\Users\Admin\AppData\Local\Lerry Video 22.0.1000\lerryvideo.exe

Filesize
3.2MB

MD5
fc0a1f30fc6bc8011259afa093c49202

SHA1
12ca0576b8517831a48931d3762843b0e3a8579c

SHA256
1ba130ef829fafe246fac7ffb3a02143149c074db5247b193a63b215be0b99eb

SHA512
c71cd259f2926bcd689da8308d217bf6ca4338553f14ae53af6954c6d56f233b13b7e8d3fa9d0da86b320a4b17a6154dded554d241e9a1e9a52a387353500d8f

Download Submit
\Users\Admin\AppData\Local\Temp\is-9R2SF.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-9R2SF.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-P3LG8.tmp\8dc08f6b4e5ef0c645d5d2715570245dec0ead9e8901a5a53628bc87af8d4cae.tmp

Filesize
687KB

MD5
0105db577ef93eb65dd36401043955dd

SHA1
c63a4ad0596d4a5b137381349bea62ed8e1903f2

SHA256
1413f6894ac7c897cd766605eaee45f0f7ea19c67baaabba5dff56c05f575f6f

SHA512
e7166d033a1e664465b8c149e09356bd1ce93d68996e42afad2340effacaa6b0d1fd2cb81002c4ab809078b95ad19dfeedc899b29bd9167d9856055bf9d60a74

Download Submit
memory/2536-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2536-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2536-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2704-57-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-90-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-49-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-115-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-111-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-47-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-106-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-58-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2704-59-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-62-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-66-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-70-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-74-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-78-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-80-0x0000000002BD0000-0x0000000002C72000-memory.dmp

Filesize
648KB

Download
memory/2704-86-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-102-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-94-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2704-98-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/2896-46-0x0000000003440000-0x0000000003775000-memory.dmp

Filesize
3.2MB

Download
memory/2896-17-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2896-54-0x0000000003440000-0x0000000003775000-memory.dmp

Filesize
3.2MB

Download
memory/2896-53-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads