socks5systemz | 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09

Analysis

max time kernel
146s
max time network
150s
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 19:43

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General

Target

5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe
Size

5.1MB
MD5

82005f23b2b25c12baef04dbc6826909
SHA1

c0cc90dffc8a95b515da98c1ddf671417c59c038
SHA256

5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09
SHA512

fd72b8291801687ab3d93ae33fb42e1fae27da6bd18533a92ad2ce513a107e9e7593dea9778aca8eabeb256e20462b47d1d3f167632d94b3dbe262f1101e0692
SSDEEP

98304:Cf4etLfRwGzmpnwNE4WrqssC++fLxl/Hj+ii9EPBq4CN+JXrPptclxB4nuNQxy:cdtLJw/pnm9WZsEfL3yi08B4ArXksuN1

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3412-86-0x00000000025B0000-0x0000000002652000-memory.dmp	family_socks5systemz
behavioral2/memory/3412-111-0x00000000025B0000-0x0000000002652000-memory.dmp	family_socks5systemz
behavioral2/memory/3412-110-0x00000000025B0000-0x0000000002652000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmpmp3doctorfree32_64.exemp3doctorfree32_64.exe

pid process

3108 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp
2356 mp3doctorfree32_64.exe
3412 mp3doctorfree32_64.exe
Loads dropped DLL 1 IoCs

Processes:

5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp

pid process

3108 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.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 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
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:

5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp

pid process

3108 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp

pid	process
3108	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp
2356	mp3doctorfree32_64.exe
3412	mp3doctorfree32_64.exe

pid	process
3108	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
3108	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp

description	pid	process	target process
PID 4460 wrote to memory of 3108	4460	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp
PID 4460 wrote to memory of 3108	4460	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp
PID 4460 wrote to memory of 3108	4460	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp
PID 3108 wrote to memory of 2356	3108	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp	mp3doctorfree32_64.exe
PID 3108 wrote to memory of 2356	3108	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp	mp3doctorfree32_64.exe
PID 3108 wrote to memory of 2356	3108	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp	mp3doctorfree32_64.exe
PID 3108 wrote to memory of 3412	3108	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp	mp3doctorfree32_64.exe
PID 3108 wrote to memory of 3412	3108	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp	mp3doctorfree32_64.exe
PID 3108 wrote to memory of 3412	3108	5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp	mp3doctorfree32_64.exe

C:\Users\Admin\AppData\Local\Temp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe
"C:\Users\Admin\AppData\Local\Temp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4460

C:\Users\Admin\AppData\Local\Temp\is-LLC0K.tmp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp
"C:\Users\Admin\AppData\Local\Temp\is-LLC0K.tmp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp" /SL5="$50068,5086311,54272,C:\Users\Admin\AppData\Local\Temp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3108

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:2356

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:3412

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
3.8MB

MD5
b7d8dda6c10ce4eef9e955881b74ef50

SHA1
9284b34a24c48c70d8080bed255cdbcadc2824c1

SHA256
2e539d22dc4c9f025c5678cb87f3363aedfc2c6a0b4a7570ed38fe9edec1554e

SHA512
59fa4d85138f0819a1f40ab9381b99cb1fa29f8edb208ee458e6b746fa9aa239896bce9a5c5437f2e33b48b86d7a09f8378a2c185a8b6e79c5d77b3317901f81

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-384C1.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LLC0K.tmp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp
Filesize
680KB

MD5
6f995e2d6c8d0d1d03cb3afcd1deafaf

SHA1
0319dbd8c7b44067b82fed5272059757a526b3aa

SHA256
cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb

SHA512
207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d

Download Submit
memory/2356-64-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/2356-60-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/2356-59-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/2356-65-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/3108-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3108-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3412-74-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-94-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-118-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-115-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-71-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-110-0x00000000025B0000-0x0000000002652000-memory.dmp

Filesize
648KB

Download
memory/3412-77-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-80-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-83-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-86-0x00000000025B0000-0x0000000002652000-memory.dmp

Filesize
648KB

Download
memory/3412-89-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-68-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-97-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-100-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-103-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-106-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-109-0x0000000000400000-0x00000000007C6000-memory.dmp

Filesize
3.8MB

Download
memory/3412-111-0x00000000025B0000-0x0000000002652000-memory.dmp

Filesize
648KB

Download
memory/4460-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4460-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4460-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download