socks5systemz | a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159f

General

Target

a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe
Size

3.3MB
MD5

f654ff54b8482512c820cdc067e3f8d0
SHA1

919417671bae68fc6e59f14b45861628b395d7fa
SHA256

a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159f
SHA512

8196659a77feacf82e66dc58dc32439c27e703a0fe3b36233baa23dede3a45c2b3d01e3c51f03bdd80931f064dc9a228a7100367fcd2c59abec0032960bbb621
SSDEEP

98304:NQRglPsdGTMjPpnX2BG5Rnhkmn7LOkyory1ukf:9UdGwLXkmByS6uE

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2720-79-0x0000000002A50000-0x0000000002AF2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp
2720	codermedia32.exe

Loads dropped DLL 6 IoCs

pid	Process
2648	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe
2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp
2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp
2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp
2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp
2720	codermedia32.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	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	codermedia32.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
2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp
2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2660	2648	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe	30
PID 2648 wrote to memory of 2660	2648	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe	30
PID 2648 wrote to memory of 2660	2648	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe	30
PID 2648 wrote to memory of 2660	2648	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe	30
PID 2648 wrote to memory of 2660	2648	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe	30
PID 2648 wrote to memory of 2660	2648	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe	30
PID 2648 wrote to memory of 2660	2648	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe	30
PID 2660 wrote to memory of 2988	2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp	31
PID 2660 wrote to memory of 2988	2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp	31
PID 2660 wrote to memory of 2988	2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp	31
PID 2660 wrote to memory of 2988	2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp	31
PID 2660 wrote to memory of 2720	2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp	33
PID 2660 wrote to memory of 2720	2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp	33
PID 2660 wrote to memory of 2720	2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp	33
PID 2660 wrote to memory of 2720	2660	a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp	33
PID 2988 wrote to memory of 2572	2988	net.exe	34
PID 2988 wrote to memory of 2572	2988	net.exe	34
PID 2988 wrote to memory of 2572	2988	net.exe	34
PID 2988 wrote to memory of 2572	2988	net.exe	34

C:\Users\Admin\AppData\Local\Temp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe
"C:\Users\Admin\AppData\Local\Temp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\is-NBP7N.tmp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-NBP7N.tmp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp" /SL5="$30154,3249744,54272,C:\Users\Admin\AppData\Local\Temp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.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:2660
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause coder_media_11284
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2988
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause coder_media_11284
      4⤵
      System Location Discovery: System Language Discovery
      PID:2572
- - C:\Users\Admin\AppData\Local\Coder Media 1.7.49\codermedia32.exe
    "C:\Users\Admin\AppData\Local\Coder Media 1.7.49\codermedia32.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2720

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 1.7.49\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-NBP7N.tmp\a56c7b88e2c4b55b59db8d62135d1a3a088da33bf51960230beee7042c37159fN.tmp

Filesize
687KB

MD5
29233660a778178f3824cbf6d4c6f821

SHA1
c468591aca67e58cce9dd0949434dafbe36c70d4

SHA256
51f6f6eba9c296266fb85c9186fd2f89e22f1793f7d60f08086967b0c59ee910

SHA512
26f2f6c570c56ca6259ceea8202b3b76fa85e2e689d0a9fbf244bb4b77d86d3665359d2ffb2a01ce840ad3dc6c0f213fdfd182bfe1923221d7d66b4b2fe7fc86

Download Submit
\Users\Admin\AppData\Local\Coder Media 1.7.49\codermedia32.exe

Filesize
2.9MB

MD5
5e389303895f562c302cb32b9fb49057

SHA1
49fffdd148cfa89381ffd450e47ccae1987e5086

SHA256
607608f3167a8862859a2a00dcf26dd7ecb008e000200a419e13417cb87eecab

SHA512
1cfa87b00dab4d0c00d983b66e6e772b001224683762cff930786581ac803133710593ec3acc2d075f2208f6d178b537892502638b769ae42393e228d3a14613

Download Submit
\Users\Admin\AppData\Local\Temp\is-R9VOO.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-R9VOO.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2648-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2648-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2648-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2660-54-0x0000000003C00000-0x0000000003EE6000-memory.dmp

Filesize
2.9MB

Download
memory/2660-43-0x0000000003C00000-0x0000000003EE6000-memory.dmp

Filesize
2.9MB

Download
memory/2660-14-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-53-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2720-65-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-73-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-57-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-58-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2720-61-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-46-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-69-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-49-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-77-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-79-0x0000000002A50000-0x0000000002AF2000-memory.dmp

Filesize
648KB

Download
memory/2720-85-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-89-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-93-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-97-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download
memory/2720-101-0x0000000000400000-0x00000000006E6000-memory.dmp

Filesize
2.9MB

Download

Analysis

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