socks5systemz | 2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd

General

Target

2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.exe
Size

3.7MB
MD5

0331868c98079e491814de20b55975e2
SHA1

ee1b8e83e58f68ee4c20793a3450d9cb18919ccd
SHA256

2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd
SHA512

388a010ef5d8070730c183f34c1392d69f3b057b9c29d6a8aed9924bafdf3e9b37e0def33d4cee315b111d7c292ce8067160e55aad1ab5b819366d5cace7adef
SSDEEP

98304:Nf2c/GFbejH6Kd+lUNut0vNE2Qn1emYVOBewgOfHCLwCW9JzlwutCKr:yVUd+G20vNCn1BFB17iLfWKDe

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4532-74-0x0000000000820000-0x00000000008C2000-memory.dmp	family_socks5systemz
behavioral2/memory/4532-103-0x0000000000820000-0x00000000008C2000-memory.dmp	family_socks5systemz
behavioral2/memory/4532-104-0x0000000000820000-0x00000000008C2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmplerryvideo.exe

pid	Process
1952	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp
4532	lerryvideo.exe

Loads dropped DLL 2 IoCs

Processes:

2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmplerryvideo.exe

pid	Process
1952	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp
4532	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.

Processes:

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

Processes:

2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.exe2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmpnet.exenet1.exelerryvideo.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.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

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp

pid	Process
1952	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp
1952	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp

pid	Process
1952	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.exe2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmpnet.exe

description	pid	Process	procid_target
PID 3412 wrote to memory of 1952	3412	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.exe	85
PID 3412 wrote to memory of 1952	3412	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.exe	85
PID 3412 wrote to memory of 1952	3412	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.exe	85
PID 1952 wrote to memory of 4300	1952	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp	86
PID 1952 wrote to memory of 4300	1952	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp	86
PID 1952 wrote to memory of 4300	1952	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp	86
PID 1952 wrote to memory of 4532	1952	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp	87
PID 1952 wrote to memory of 4532	1952	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp	87
PID 1952 wrote to memory of 4532	1952	2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp	87
PID 4300 wrote to memory of 5092	4300	net.exe	89
PID 4300 wrote to memory of 5092	4300	net.exe	89
PID 4300 wrote to memory of 5092	4300	net.exe	89

C:\Users\Admin\AppData\Local\Temp\2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.exe
"C:\Users\Admin\AppData\Local\Temp\2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3412
- C:\Users\Admin\AppData\Local\Temp\is-ANE35.tmp\2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-ANE35.tmp\2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp" /SL5="$C0044,3621293,54272,C:\Users\Admin\AppData\Local\Temp\2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.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:1952
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause lerry_video_11262
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4300
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause lerry_video_11262
      4⤵
      System Location Discovery: System Language Discovery
      PID:5092
- - C:\Users\Admin\AppData\Local\Lerry Video 22.0.994\lerryvideo.exe
    "C:\Users\Admin\AppData\Local\Lerry Video 22.0.994\lerryvideo.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4532

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\Lerry Video 22.0.994\lerryvideo.exe

Filesize
3.0MB

MD5
f9c76ded7adc537be3e13bfe51967f63

SHA1
62d7a9d8a29b9abf61a773ece75108cee4c4eff4

SHA256
f20eda919e66fcf766c95f06d291664ee8e28bb1b2e21f20c9b19411f79db325

SHA512
548fee9f692b1f57b6b86144ee0ba8ebff74272ef44adaecbc2a914e8f7fead959e298f2560962956fa468633814ac31a5f506edd08e00b60d2121557b6d29c1

Download Submit
C:\Users\Admin\AppData\Local\Lerry Video 22.0.994\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ANE35.tmp\2a1c873470cb6a9144d857bda6bc184d9665609d16f993ecbf8b1ae6c9e6a9bd.tmp

Filesize
687KB

MD5
1d699061670ebcb1fd0f406c11bb5ae0

SHA1
9c0a4c9370c3d2bc6886659b4ca85113c6f75b53

SHA256
209f5594ea755dec7a8f68cc61c7ced5ab8fad91d67cb1e0439fb638a7fd46e6

SHA512
bb1d754355fe366d018b8d1493279499ca0f425511c8bb634a732de421ad70b3368736f91d5f381a5331fb23264c03625cbcbc328c73421f051d81566f3ec536

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1952-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1952-12-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3412-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3412-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3412-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4532-60-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-74-0x0000000000820000-0x00000000008C2000-memory.dmp

Filesize
648KB

Download
memory/4532-43-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-51-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-52-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/4532-56-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-42-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-64-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-68-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-72-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-47-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-80-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-82-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-85-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-89-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-93-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-97-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-101-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-103-0x0000000000820000-0x00000000008C2000-memory.dmp

Filesize
648KB

Download
memory/4532-104-0x0000000000820000-0x00000000008C2000-memory.dmp

Filesize
648KB

Download
memory/4532-108-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/4532-112-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads