socks5systemz | 1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05

Analysis

max time kernel
146s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 21:11

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General

Target

1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.exe
Size

5.2MB
MD5

caf4fb3ad5715876f66a7dcaabb4cebd
SHA1

c7e6cdd5ef4edf0adccb19548ea0535321c2d2ed
SHA256

1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05
SHA512

7175704aef0b23e393c4cebdfaeac62149137ab475596a0a40fbcd309bf004adde6e115cda43f1bf19a0b40f1da5befee77f08ec5903c1b8d8d5bbbba1cbc9d6
SSDEEP

98304:CnyPU+0Fp0wD4wB6yS/KDyuO5GTySimG94uAuYbKzKINT17+gvx9wJbh+OX5ej37:8yPf0FpR466X8yPgySi99oNGzKINTDvV

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/4924-86-0x0000000002980000-0x0000000002A22000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmpmp3doctorfree32_64.exemp3doctorfree32_64.exe

pid process

232 1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp
2372 mp3doctorfree32_64.exe
4924 mp3doctorfree32_64.exe
Loads dropped DLL 1 IoCs

Processes:

1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp

pid process

232 1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.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 152.89.198.214
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp

pid process

232 1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp

resource	yara_rule
behavioral2/memory/4924-86-0x0000000002980000-0x0000000002A22000-memory.dmp	family_socks5systemz

pid	process
232	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp
2372	mp3doctorfree32_64.exe
4924	mp3doctorfree32_64.exe

pid	process
232	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
232	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.exe1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp

description	pid	process	target process
PID 3308 wrote to memory of 232	3308	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.exe	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp
PID 3308 wrote to memory of 232	3308	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.exe	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp
PID 3308 wrote to memory of 232	3308	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.exe	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp
PID 232 wrote to memory of 2372	232	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp	mp3doctorfree32_64.exe
PID 232 wrote to memory of 2372	232	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp	mp3doctorfree32_64.exe
PID 232 wrote to memory of 2372	232	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp	mp3doctorfree32_64.exe
PID 232 wrote to memory of 4924	232	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp	mp3doctorfree32_64.exe
PID 232 wrote to memory of 4924	232	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp	mp3doctorfree32_64.exe
PID 232 wrote to memory of 4924	232	1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp	mp3doctorfree32_64.exe

C:\Users\Admin\AppData\Local\Temp\1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.exe
"C:\Users\Admin\AppData\Local\Temp\1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3308

C:\Users\Admin\AppData\Local\Temp\is-VLL2B.tmp\1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp
"C:\Users\Admin\AppData\Local\Temp\is-VLL2B.tmp\1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp" /SL5="$6006C,5237696,54272,C:\Users\Admin\AppData\Local\Temp\1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:232

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -i
3⤵
- Executes dropped EXE
PID:2372

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -s
3⤵
- Executes dropped EXE
PID:4924

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
Filesize
3.9MB

MD5
148485989ad20c7d432f6c141a43ca16

SHA1
8fadcad830466aa255b86a1a473ca58b47b6f0d7

SHA256
d29c34897624560460bca4c11e6869d3f10d4d4dcc3958d5c5c0be911aab8d5f

SHA512
50faebee4d19be00622b538f7282f90d699f12054aea0a55918eaddfc668084da2fad3fa98c333d9723ac2ea8e8ee6b43e3e8b5fa52a80eeff946d10e4fe0279

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-T211M.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VLL2B.tmp\1ef9a42b5f66d40cef676a7f000a72ef079652fff9e9769c0a6fa93a30c3db05.tmp
Filesize
680KB

MD5
6f995e2d6c8d0d1d03cb3afcd1deafaf

SHA1
0319dbd8c7b44067b82fed5272059757a526b3aa

SHA256
cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb

SHA512
207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d

Download Submit
memory/232-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/232-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2372-60-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/2372-59-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/2372-64-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/2372-65-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/3308-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3308-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3308-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4924-74-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-89-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-68-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-77-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-80-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-83-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-86-0x0000000002980000-0x0000000002A22000-memory.dmp

Filesize
648KB

Download
memory/4924-71-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-94-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-97-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-100-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-103-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-106-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-109-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-113-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download
memory/4924-116-0x0000000000400000-0x00000000007F2000-memory.dmp

Filesize
3.9MB

Download