socks5systemz | 0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10

General

Target

0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.exe
Size

5.4MB
MD5

d17b7aac2a862f8b46a346dd3a4d802e
SHA1

b27ca51c79e142bed59d9746ab64492c6148adc8
SHA256

0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10
SHA512

1058e3199dd13360a63d457594a197409d050c904fa680142a880c148fff9e879d4fbf6b402a1fa66b4683e10c3f1cf071308ede2be0c5ba670593bc218af4bc
SSDEEP

98304:QG+RfYhgilxwB9fAgvT/PbH2jrK5xh0PyXwzxEkki32v8DHCKoMcWNX0Az:6Qh9xOb/jWjrKnXwzXki32vEzncWR

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1640-188-0x0000000000910000-0x00000000009B2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz
Executes dropped EXE 2 IoCs

Processes:

0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmpmp4downloader.exe

pid process

4420 0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp
1640 mp4downloader.exe
Loads dropped DLL 1 IoCs

Processes:

0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp

pid process

4420 0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp
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 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

pid	process
4420	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp
1640	mp4downloader.exe

pid	process
4420	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp

description	ioc
Destination IP	141.98.234.31

System Location Discovery: System Language Discovery 1 TTPs 3 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:

0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.exe0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmpmp4downloader.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mp4downloader.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp

pid process

4420 0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp

pid	process
4420	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.exe0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp

description	pid	process	target process
PID 1376 wrote to memory of 4420	1376	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.exe	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp
PID 1376 wrote to memory of 4420	1376	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.exe	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp
PID 1376 wrote to memory of 4420	1376	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.exe	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp
PID 4420 wrote to memory of 1640	4420	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp	mp4downloader.exe
PID 4420 wrote to memory of 1640	4420	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp	mp4downloader.exe
PID 4420 wrote to memory of 1640	4420	0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp	mp4downloader.exe

C:\Users\Admin\AppData\Local\Temp\0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.exe
"C:\Users\Admin\AppData\Local\Temp\0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Users\Admin\AppData\Local\Temp\is-JFUBK.tmp\0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-JFUBK.tmp\0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp" /SL5="$1001E2,5416000,54272,C:\Users\Admin\AppData\Local\Temp\0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4420
- - C:\Users\Admin\AppData\Local\MP4 Downloader 3.22.3\mp4downloader.exe
    "C:\Users\Admin\AppData\Local\MP4 Downloader 3.22.3\mp4downloader.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1640

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\MP4 Downloader 3.22.3\mp4downloader.exe

Filesize
2.4MB

MD5
72b7ec12a6a78e92ad925b131319bfaa

SHA1
bbd05b75a69e307f39c709d2e0e97a61c86a654b

SHA256
df1a2efda6359043b5f3b882081b4120df1da4c6d65ca2e18912cbd012499272

SHA512
345fc6572f06f85997ab7a650c7dbd3809975efbb27c7a07aa351da419be9a79add7bd9a9b252895a66256488c9197f7ec1ed38f8bec6c889fb3a15741920b51

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DLAQ7.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-JFUBK.tmp\0b9b00b906f4eba8821722e69e8545e17df364076328755cab8f2bed2b15bb10.tmp

Filesize
688KB

MD5
36380cca9fde5653066591212ee842d0

SHA1
39beb9362a19e9bbb014e39ac86da1a55867637d

SHA256
1db0511fe7d754501f58cfcb432f3efa38c974caaa6058ed409bb693421ed2ec

SHA512
271ed4e74cfa24277b93d085d8336a50dbaf7f3a031ecb9d4317eb8c3c3b7c0749042e24040133e712c2c3536060e942fe16a0da4be61fa43bf52886b28ed6d7

Download Submit
memory/1376-170-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1376-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1376-1-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1640-179-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-188-0x0000000000910000-0x00000000009B2000-memory.dmp

Filesize
648KB

Download
memory/1640-168-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-219-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-164-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-172-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-173-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-176-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-216-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-182-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-185-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-165-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-190-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-196-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-197-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-200-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-201-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-204-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-207-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-210-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/1640-213-0x0000000000400000-0x000000000066C000-memory.dmp

Filesize
2.4MB

Download
memory/4420-12-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4420-169-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads