socks5systemz | 1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 13:32

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General

Target

1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.exe
Size

5.0MB
MD5

6800cf83fc712d760f1f622dde9ab4b8
SHA1

8e92567d1432912a8e816a0eb209887fb1bc56be
SHA256

1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15
SHA512

05a3d8f612dfa1527a99769793bde2df5aca918dbab0568292363b367efac9ff3179f02771eda2aac2cac6a5d93e2cbcc802ba8b77cb0abb3e85c869e9825c14
SSDEEP

98304:C20o86ClWs8xPMv98hF1C5JAAG3WZSQbhOs9o1fWbbmSO7u7L8NT0elx9bQxle:P+WLI6hF85iD3WDhOaoEbku1qbQK

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/3016-85-0x00000000009F0000-0x0000000000A92000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmpmp3doctorfree32.exemp3doctorfree32.exe

pid process

3112 1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp
4400 mp3doctorfree32.exe
3016 mp3doctorfree32.exe
Loads dropped DLL 1 IoCs

Processes:

1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp

pid process

3112 1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp
Unexpected DNS network traffic destination 3 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
Destination IP 91.211.247.248
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:

1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp

pid process

3112 1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp

resource	yara_rule
behavioral1/memory/3016-85-0x00000000009F0000-0x0000000000A92000-memory.dmp	family_socks5systemz

pid	process
3112	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp
4400	mp3doctorfree32.exe
3016	mp3doctorfree32.exe

pid	process
3112	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp

description	ioc
Destination IP	141.98.234.31
Destination IP	91.211.247.248
Destination IP	152.89.198.214

pid	process
3112	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.exe1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp

description	pid	process	target process
PID 2056 wrote to memory of 3112	2056	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.exe	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp
PID 2056 wrote to memory of 3112	2056	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.exe	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp
PID 2056 wrote to memory of 3112	2056	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.exe	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp
PID 3112 wrote to memory of 4400	3112	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp	mp3doctorfree32.exe
PID 3112 wrote to memory of 4400	3112	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp	mp3doctorfree32.exe
PID 3112 wrote to memory of 4400	3112	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp	mp3doctorfree32.exe
PID 3112 wrote to memory of 3016	3112	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp	mp3doctorfree32.exe
PID 3112 wrote to memory of 3016	3112	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp	mp3doctorfree32.exe
PID 3112 wrote to memory of 3016	3112	1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp	mp3doctorfree32.exe

C:\Users\Admin\AppData\Local\Temp\1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.exe
"C:\Users\Admin\AppData\Local\Temp\1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2056

C:\Users\Admin\AppData\Local\Temp\is-63ICC.tmp\1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp
"C:\Users\Admin\AppData\Local\Temp\is-63ICC.tmp\1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp" /SL5="$80054,4990252,54272,C:\Users\Admin\AppData\Local\Temp\1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3112

C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe" -i
3⤵
- Executes dropped EXE
PID:4400

C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2021\mp3doctorfree32.exe" -s
3⤵
- Executes dropped EXE
PID:3016

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 2021\mp3doctorfree32.exe
Filesize
3.5MB

MD5
b7e283eeb4ad4d00729c4d7c649496d4

SHA1
f16d576ad06880831ae791270fd3710648e4033f

SHA256
ac55a839b7c14c7b813d540c36f10763d6a0b5e9bae43f3d9b9aad8ef1136789

SHA512
b8974436869bfbee3317b8149623633eb46b9ec3d0458d5aa8bb2b4d1d4a547230be2a67347d29ec349723124abb3e3b277f6531b87f1101337a1322841d687c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-63ICC.tmp\1a666af2b0e8615ce67e8f4b1f28c5f3d96a4e936a4c42b44a6cd14a9e74df15.tmp
Filesize
680KB

MD5
ccb0aaf8d3c06066757797254c79d1e4

SHA1
ed94ebd53602b25e6ae0d78c4fd25f74d0c3f688

SHA256
eb2f1a419f65636db628e3047fd9786a7a156c39a86433c5afa8238ed619aabd

SHA512
34007e899fc813653d2518a0201347dd738cc9c8adf0324e158c117b4ceef6537c15a4fe72c691b28f19c77b56b14aef7f6c7e3e8b8a3bcbd9391783ed1bed10

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2056-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2056-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2056-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3016-94-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-97-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-115-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-112-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-68-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-109-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-106-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-71-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-74-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-75-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-78-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-81-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-84-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-85-0x00000000009F0000-0x0000000000A92000-memory.dmp

Filesize
648KB

Download
memory/3016-89-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-103-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3016-100-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/3112-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3112-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4400-60-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/4400-59-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/4400-65-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/4400-63-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download