socks5systemz | 6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60

General

Target

6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe
Size

4.0MB
MD5

4549eed3b75515f8c51531505a530e2f
SHA1

7b948aef87ed8483a69d099faf2644e820f47fe6
SHA256

6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60
SHA512

b858338e0e5bfbb02ed52a8f81db3d5ad745ea368009d2b0991d61b9f59c1321b8d1087b10c8daa631b1f60d5182e6e981374e53d6f814568cb9b0df84a1d7cd
SSDEEP

98304:NiPGE/MWn9liTgqdiJ8QQqvT0UqOBKjOvizTnud1c6edIw45G8/KEWI096:qf+FJUf7GTno1Lo40yF096

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1992-80-0x0000000002BC0000-0x0000000002C62000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp
1992	lerryvideo32.exe

Loads dropped DLL 6 IoCs

pid	Process
2984	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe
2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp
2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp
2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp
2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp
1992	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	141.98.234.31

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	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lerryvideo32.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
2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp
2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2688	2984	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe	30
PID 2984 wrote to memory of 2688	2984	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe	30
PID 2984 wrote to memory of 2688	2984	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe	30
PID 2984 wrote to memory of 2688	2984	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe	30
PID 2984 wrote to memory of 2688	2984	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe	30
PID 2984 wrote to memory of 2688	2984	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe	30
PID 2984 wrote to memory of 2688	2984	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe	30
PID 2688 wrote to memory of 2888	2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp	31
PID 2688 wrote to memory of 2888	2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp	31
PID 2688 wrote to memory of 2888	2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp	31
PID 2688 wrote to memory of 2888	2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp	31
PID 2688 wrote to memory of 1992	2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp	33
PID 2688 wrote to memory of 1992	2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp	33
PID 2688 wrote to memory of 1992	2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp	33
PID 2688 wrote to memory of 1992	2688	6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp	33
PID 2888 wrote to memory of 2588	2888	net.exe	34
PID 2888 wrote to memory of 2588	2888	net.exe	34
PID 2888 wrote to memory of 2588	2888	net.exe	34
PID 2888 wrote to memory of 2588	2888	net.exe	34

C:\Users\Admin\AppData\Local\Temp\6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe
"C:\Users\Admin\AppData\Local\Temp\6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\is-03P3S.tmp\6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-03P3S.tmp\6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp" /SL5="$400D6,3962897,54272,C:\Users\Admin\AppData\Local\Temp\6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.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:2688
- - 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:2888
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause lerry_video_11265
      4⤵
      System Location Discovery: System Language Discovery
      PID:2588
- - 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:1992

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

\Users\Admin\AppData\Local\Lerry Video 22.0.989\lerryvideo32.exe

Filesize
3.5MB

MD5
8cb6bb380bf96d41a13cbd7a9bdbd78e

SHA1
34f7597dd074be128e7d30afb7a3366f5031fd6f

SHA256
850206b9910e35dd212dcbea7900afcc34e1f88359f7c735e7edd0dc725c3b1f

SHA512
89e141f1e222fef5099443143ebdc6390ffa5620dd3288f7dabb42c5236b6b5fa3c778ecf489c6786ab5fe9df94078718e2f840cd033159883cc82f8c06107c8

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

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
\Users\Admin\AppData\Local\Temp\is-03P3S.tmp\6aa092f42310716127d38f90fdc9e4382acf9faa1751a5a34efdd2560b640d60.tmp

Filesize
687KB

MD5
e85de66e874c83669bd7274c74917499

SHA1
0b4e1f43fdda295edf44f2fe1c21316a851fdcaa

SHA256
9ea34ef6fcb43db916cadd4f6e74f76c4dbe52dcb4ee78d13cc0f13dfb2f715b

SHA512
63e921a5f149315263d62abed155d9fa87003535d687964ddd4e9cf23409568b065c80b1887b6a7063dbcce9b0b22becb11659f5a2e4f848812f0e42a037855e

Download Submit
\Users\Admin\AppData\Local\Temp\is-QSH2K.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-QSH2K.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1992-78-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-90-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-115-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-111-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-47-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-49-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-106-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-102-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-98-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-57-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-58-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/1992-59-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-62-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-66-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-70-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-74-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-94-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/1992-80-0x0000000002BC0000-0x0000000002C62000-memory.dmp

Filesize
648KB

Download
memory/1992-86-0x0000000000400000-0x000000000078C000-memory.dmp

Filesize
3.5MB

Download
memory/2688-8-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2688-54-0x0000000003470000-0x00000000037FC000-memory.dmp

Filesize
3.5MB

Download
memory/2688-53-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2688-43-0x0000000003470000-0x00000000037FC000-memory.dmp

Filesize
3.5MB

Download
memory/2984-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2984-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2984-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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