socks5systemz | 52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60

General

Target

52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.exe
Size

3.8MB
MD5

c2d73ca97fb69061d97564a74c43ce5f
SHA1

3d010cced1561e7347eba5326033a6dc47577555
SHA256

52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60
SHA512

6c7b777466566b893e49e17af1c1d35f95783e456954e664b33b07c641d180f8572e4530bddafbc78f2da43c19c482ea2ca2376636f73916965369841f18ca18
SSDEEP

98304:NNI/37hYmAXQXZF0fQFgA8ChwZ3KkmOEsZe11NmvX+iHpkCv4:E9g8F0oFgZCqtmOEioCvOALv4

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4924-80-0x0000000000970000-0x0000000000A12000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp
4924	lerryvideo.exe

Loads dropped DLL 4 IoCs

pid	Process
4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp
4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp
4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp
4924	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.

description	ioc
Destination IP	45.155.250.90

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	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.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	lerryvideo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp
4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 4568	552	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.exe	82
PID 552 wrote to memory of 4568	552	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.exe	82
PID 552 wrote to memory of 4568	552	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.exe	82
PID 4568 wrote to memory of 3780	4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp	83
PID 4568 wrote to memory of 3780	4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp	83
PID 4568 wrote to memory of 3780	4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp	83
PID 4568 wrote to memory of 4924	4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp	85
PID 4568 wrote to memory of 4924	4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp	85
PID 4568 wrote to memory of 4924	4568	52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp	85
PID 3780 wrote to memory of 2352	3780	net.exe	86
PID 3780 wrote to memory of 2352	3780	net.exe	86
PID 3780 wrote to memory of 2352	3780	net.exe	86

C:\Users\Admin\AppData\Local\Temp\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.exe
"C:\Users\Admin\AppData\Local\Temp\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:552
- C:\Users\Admin\AppData\Local\Temp\is-IS9CD.tmp\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-IS9CD.tmp\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp" /SL5="$50234,3735493,54272,C:\Users\Admin\AppData\Local\Temp\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.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:4568
- - 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:3780
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause lerry_video_11261
      4⤵
      System Location Discovery: System Language Discovery
      PID:2352
- - 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:4924

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\lerryvideo.exe

Filesize
3.0MB

MD5
6f4b2f2a48464b5f2b30099239118c5b

SHA1
1052b1b9ff74f1df951621f1e77d6e908e037291

SHA256
5a2c242f391504fe2a242fa2cf964f273c71cfb879b213aae9bfab83aab2fb41

SHA512
3997406fc3bdceeeb7d763b558d3792df10ee2a3096917f0e359a191b2dd5ac53b56ffa2a9e0c8c8891f9f2611aefc90ea64adf677808f3671f3bb9484f9b9e4

Download Submit
C:\Users\Admin\AppData\Local\Lerry Video 22.0.1000\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IS9CD.tmp\52b0c60801217c397f7140eb30a3bff1ef005ebdaf1273e3cb7191e04dd04a60.tmp

Filesize
687KB

MD5
cc43c2f4d9a4cd6797fbb97c5019f353

SHA1
2b2679df4703e5fdeff2a838f817e8be1ed2c978

SHA256
4fa8bac9627a429da8a18c1102300b0cf5221bda6be37e49502ac0a8fc15768f

SHA512
f4b376883da3f04dd08964f08c4d34ad738ced4e84287af8c1f465c95f24744c657d6f8fd43f3f094776a9efdd44442de725cf0a9dc9e5a6637c366e815f146c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-S7TUQ.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-S7TUQ.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
memory/552-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/552-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/552-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4568-54-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4568-21-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4924-60-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-80-0x0000000000970000-0x0000000000A12000-memory.dmp

Filesize
648KB

Download
memory/4924-55-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-51-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-58-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-59-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/4924-48-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-63-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-67-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-71-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-75-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-49-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-82-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-88-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-90-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-93-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-97-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-101-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-105-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-109-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-114-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download
memory/4924-118-0x0000000000400000-0x0000000000701000-memory.dmp

Filesize
3.0MB

Download

Analysis

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