socks5systemz | 1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77

General

Target

1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe
Size

3.9MB
MD5

4ca27b673fddb95ae6c063b5071f86f0
SHA1

c2f2ab39df11d6a15c5825a526480b253fbbc357
SHA256

1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77
SHA512

8efcfaa5ccf5368c16cff5269b2013c2963c34f7c99aa7fc6609e82865cc88a8a55924736d45036836fa0e3e4a1b8997dbcd58d0eec44d86e337cc43cd9dee06
SSDEEP

98304:NhrOSEBFC40hICa+poD+Ch2/zzKGqLCcWfBfBG7XQ9iW5F:/CrCxa+dCh27zKGqEBG7XoXF

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2732-80-0x0000000002AC0000-0x0000000002B62000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp
2732	codermedia.exe

Loads dropped DLL 6 IoCs

pid	Process
2072	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe
280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp
280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp
280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp
280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp
2732	codermedia.exe

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	codermedia.exe
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	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp
280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 280	2072	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe	30
PID 2072 wrote to memory of 280	2072	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe	30
PID 2072 wrote to memory of 280	2072	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe	30
PID 2072 wrote to memory of 280	2072	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe	30
PID 2072 wrote to memory of 280	2072	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe	30
PID 2072 wrote to memory of 280	2072	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe	30
PID 2072 wrote to memory of 280	2072	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe	30
PID 280 wrote to memory of 2140	280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp	31
PID 280 wrote to memory of 2140	280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp	31
PID 280 wrote to memory of 2140	280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp	31
PID 280 wrote to memory of 2140	280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp	31
PID 280 wrote to memory of 2732	280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp	33
PID 280 wrote to memory of 2732	280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp	33
PID 280 wrote to memory of 2732	280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp	33
PID 280 wrote to memory of 2732	280	1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp	33
PID 2140 wrote to memory of 2728	2140	net.exe	34
PID 2140 wrote to memory of 2728	2140	net.exe	34
PID 2140 wrote to memory of 2728	2140	net.exe	34
PID 2140 wrote to memory of 2728	2140	net.exe	34

C:\Users\Admin\AppData\Local\Temp\1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe
"C:\Users\Admin\AppData\Local\Temp\1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\is-BFEIA.tmp\1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-BFEIA.tmp\1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp" /SL5="$4010C,3886989,54272,C:\Users\Admin\AppData\Local\Temp\1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.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:280
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause coder_media_11281
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2140
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause coder_media_11281
      4⤵
      System Location Discovery: System Language Discovery
      PID:2728
- - C:\Users\Admin\AppData\Local\Coder Media 1.7.55\codermedia.exe
    "C:\Users\Admin\AppData\Local\Coder Media 1.7.55\codermedia.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2732

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\Coder Media 1.7.55\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
\Users\Admin\AppData\Local\Coder Media 1.7.55\codermedia.exe

Filesize
3.1MB

MD5
9cea57c3291b6830de246b453e7fb2f6

SHA1
e08de2aed424aa7339f0456a631095f3b116f8f4

SHA256
8bbda6436638e43c8f44582f2fe402b46ea795c3906bde5c31cfea252ce9a164

SHA512
004efacdec9fa5fa5a9425a630450fbd69fc029db9b135c2242d17e1e7ca9a6580ded1d01576725aeff04876f4682fa929228fde141af3025a87c49df674ae1c

Download Submit
\Users\Admin\AppData\Local\Temp\is-BFEIA.tmp\1573bea93f2317dbf01fadfe7ff31d8c35a0cb7a6c0ebd6e21b24ecf8bd64b77N.tmp

Filesize
687KB

MD5
39e4e0959a40c19411b2da920ed92138

SHA1
7848d4e4d004a396dd39d352baca16f659871921

SHA256
9678ab613d804499fcc376ee22f9299ade9a43381b056c745d7b3a74260249b0

SHA512
449e400bc02ddc703664584ea391885a1735eaab946090fcef7dd428a7fe55c9d742dc2c8c70b44a7771d7204f770468cb419ea57891ae116e521a24c1e768e8

Download Submit
\Users\Admin\AppData\Local\Temp\is-R2FE8.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-R2FE8.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/280-14-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/280-44-0x00000000033A0000-0x00000000036C2000-memory.dmp

Filesize
3.1MB

Download
memory/280-55-0x00000000033A0000-0x00000000036C2000-memory.dmp

Filesize
3.1MB

Download
memory/280-53-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2072-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2072-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2072-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2732-57-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-70-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-48-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-58-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2732-59-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-62-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-66-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-49-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-74-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-78-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-80-0x0000000002AC0000-0x0000000002B62000-memory.dmp

Filesize
648KB

Download
memory/2732-86-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-90-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-94-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-98-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download
memory/2732-102-0x0000000000400000-0x0000000000722000-memory.dmp

Filesize
3.1MB

Download

Analysis

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