socks5systemz | 458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6

General

Target

458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.exe
Size

3.5MB
MD5

38021802fa10bf10a65680754d299fa0
SHA1

f4a22726de25b67a7f3391b1c985d1d3f54b0c09
SHA256

458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6
SHA512

bbea1c0b4fc11307b2599730b76a5fe598e4f05f95bcefcb00fbc3aec9c254abea272d0f09890bae3d4738af28a2b0c2fe34c55e9f5b8164c851b48788daf0a0
SSDEEP

98304:Nn5fMyVZ8DwhIAb1x94Zc0rNo+hV690eqdpWwLSpublC:fn8Uh7b1x9EDZLV6yK

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1092-75-0x0000000000B40000-0x0000000000BE2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
3008	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp
1092	darelvideostudiofree.exe

Loads dropped DLL 2 IoCs

pid	Process
3008	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp
1092	darelvideostudiofree.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	darelvideostudiofree.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp
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
3008	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp
3008	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3008	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 3008	4072	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.exe	82
PID 4072 wrote to memory of 3008	4072	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.exe	82
PID 4072 wrote to memory of 3008	4072	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.exe	82
PID 3008 wrote to memory of 536	3008	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp	83
PID 3008 wrote to memory of 536	3008	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp	83
PID 3008 wrote to memory of 536	3008	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp	83
PID 3008 wrote to memory of 1092	3008	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp	85
PID 3008 wrote to memory of 1092	3008	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp	85
PID 3008 wrote to memory of 1092	3008	458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp	85
PID 536 wrote to memory of 4112	536	net.exe	86
PID 536 wrote to memory of 4112	536	net.exe	86
PID 536 wrote to memory of 4112	536	net.exe	86

C:\Users\Admin\AppData\Local\Temp\458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.exe
"C:\Users\Admin\AppData\Local\Temp\458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4072
- C:\Users\Admin\AppData\Local\Temp\is-J12AN.tmp\458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-J12AN.tmp\458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp" /SL5="$70040,3463134,54272,C:\Users\Admin\AppData\Local\Temp\458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.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:3008
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause darel_video_studio_free_1211
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:536
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause darel_video_studio_free_1211
      4⤵
      System Location Discovery: System Language Discovery
      PID:4112
- - C:\Users\Admin\AppData\Local\Darel VideoStudio Free 2.0.2.0\darelvideostudiofree.exe
    "C:\Users\Admin\AppData\Local\Darel VideoStudio Free 2.0.2.0\darelvideostudiofree.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:1092

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

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Downloads

C:\Users\Admin\AppData\Local\Darel VideoStudio Free 2.0.2.0\darelvideostudiofree.exe

Filesize
3.8MB

MD5
8f33fab1f400929fd251ef12b924fa74

SHA1
5b32fa16c055163c5b6a0bd01232c69f9a9e13c6

SHA256
94a3986f87bd193a2e1dfd7802b8b231f7ecffaedef3ffc270bd61ab7ada4ddd

SHA512
49c86f7a2cd459e0f743cfd0b31902b3618119444a3cce3301eb793cf54294790323410a91d3a623d93047068b6b378d3a157bcfd4e982438259ccf09ad5c304

Download Submit
C:\Users\Admin\AppData\Local\Darel VideoStudio Free 2.0.2.0\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-J12AN.tmp\458c9a7d70aef5cb6d6824ac32b89ffb8e0a30a5d90c8ca6ffd631e990ac76f6N.tmp

Filesize
687KB

MD5
a48e1b62aaa14bdc3a268be8e45d81f1

SHA1
3d45b86d631d6d6fe8febb8776b776ebf9dae0ce

SHA256
4ae66fea8041f6f55ed382ade74154aabd43f2dff85d68e71d6d5c35b9acae0f

SHA512
1a9abc2c5fd773453240ed86af22a85fa5954e07f437a4760a6d193b29118c720bf2049fe532f629409e45e8e5921018f25a21c79c85bd001ce91196f76f7b47

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SCMT4.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1092-51-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-73-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-97-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-42-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-43-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-47-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-93-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-89-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-85-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-52-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-54-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/1092-57-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-61-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-65-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-69-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-81-0x0000000000400000-0x00000000007DE000-memory.dmp

Filesize
3.9MB

Download
memory/1092-75-0x0000000000B40000-0x0000000000BE2000-memory.dmp

Filesize
648KB

Download
memory/3008-15-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3008-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4072-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4072-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4072-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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