socks5systemz | 0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7

General

Target

0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.exe
Size

3.8MB
MD5

1cb7e15d088a241e72c2fe4dd175eca7
SHA1

faa14def6db42a7e4ffa912f2460faa5a02023d4
SHA256

0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7
SHA512

2e2df9809665168ec01aa9e332b87bcc430ffb9f08bf99b35af07dc03d13b35ccda3b089b5297d46bc60f41943fe4173205d871d5912422e34d4f4f05fc3e33b
SSDEEP

98304:N0tLu9Q3naazMaBk1OwP5a79kYtVYcOCs/yTspnC9Yf:qLgQXaKMWk1OG5URvVRyHpnC9Yf

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/972-73-0x00000000008D0000-0x0000000000972000-memory.dmp	family_socks5systemz
behavioral2/memory/972-104-0x00000000008D0000-0x0000000000972000-memory.dmp	family_socks5systemz
behavioral2/memory/972-103-0x00000000008D0000-0x0000000000972000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
1528	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp
972	lerryvideo32.exe

Loads dropped DLL 2 IoCs

pid	Process
1528	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp
972	lerryvideo32.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	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.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	lerryvideo32.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1528	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp
1528	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1528	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 796 wrote to memory of 1528	796	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.exe	83
PID 796 wrote to memory of 1528	796	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.exe	83
PID 796 wrote to memory of 1528	796	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.exe	83
PID 1528 wrote to memory of 116	1528	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp	84
PID 1528 wrote to memory of 116	1528	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp	84
PID 1528 wrote to memory of 116	1528	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp	84
PID 1528 wrote to memory of 972	1528	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp	86
PID 1528 wrote to memory of 972	1528	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp	86
PID 1528 wrote to memory of 972	1528	0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp	86
PID 116 wrote to memory of 2528	116	net.exe	87
PID 116 wrote to memory of 2528	116	net.exe	87
PID 116 wrote to memory of 2528	116	net.exe	87

C:\Users\Admin\AppData\Local\Temp\0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.exe
"C:\Users\Admin\AppData\Local\Temp\0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:796
- C:\Users\Admin\AppData\Local\Temp\is-0KFVU.tmp\0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-0KFVU.tmp\0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp" /SL5="$60110,3733994,54272,C:\Users\Admin\AppData\Local\Temp\0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.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:1528
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause lerry_video_11265
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:116
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause lerry_video_11265
      4⤵
      System Location Discovery: System Language Discovery
      PID:2528
- - C:\Users\Admin\AppData\Local\Lerry Video 22.0.989\lerryvideo32.exe
    "C:\Users\Admin\AppData\Local\Lerry Video 22.0.989\lerryvideo32.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:972

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 22.0.989\lerryvideo32.exe

Filesize
3.3MB

MD5
501a4959b3d007b3b2d47d740569f427

SHA1
b0707a0bc4216578b20238fcaca10837061ee391

SHA256
6bbaa3f23fc92f5eca14cb2966c0d7a34acaa0f40039ff6748fcfeb4eb9f4344

SHA512
fa0a7c6b18df3a18d36fac536b9174c876f15b409f213c40c5f233902dbbfc9eb27f50544b9276be01dd0974ad53f1361a2ac467ef1755e884b7ad9e77970964

Download Submit
C:\Users\Admin\AppData\Local\Lerry Video 22.0.989\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-0KFVU.tmp\0bdaadfc0c9d1f1b5c8d9fc53cb3dd80a5c29c7dadd013d32ab8eb2d4c933bd7.tmp

Filesize
687KB

MD5
05b968e5d4f63db8dcd13b2d123bd0aa

SHA1
4b5f80463dd26a6bf100357116a8f42212fb4a64

SHA256
f7add53d132b3eea4a44858be3ba53af9b6421bdffb9d3f1e519778bee7fb0b5

SHA512
55ec76fcc14759fc17b58f1415426c99d95c2da04e3a242aa363094d69f27475f17c5a1eeb37f4e4d5489666ae2dae2949d2cc1646b93827682205dc51b17ba6

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SDC6U.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/796-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/796-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/796-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/972-52-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-68-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-47-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-112-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-42-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-51-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/972-108-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-56-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-60-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-64-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-43-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-73-0x00000000008D0000-0x0000000000972000-memory.dmp

Filesize
648KB

Download
memory/972-75-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-81-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-85-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-89-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-93-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-97-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-101-0x0000000000400000-0x000000000075A000-memory.dmp

Filesize
3.4MB

Download
memory/972-104-0x00000000008D0000-0x0000000000972000-memory.dmp

Filesize
648KB

Download
memory/972-103-0x00000000008D0000-0x0000000000972000-memory.dmp

Filesize
648KB

Download
memory/1528-15-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1528-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

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