socks5systemz | b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092

Analysis

max time kernel
147s
max time network
154s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 12:47

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General

Target

b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.exe
Size

5.0MB
MD5

966614786da27d7102628c9fab78adea
SHA1

cfdee9b518863d4aa2068e242e2bf1640e6886cf
SHA256

b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092
SHA512

f65d9f3e4244758fc71b3fb5ff61be529d31d6e24a5b25f62325ed1b0c2399825110f3887638bb19f2e163b67e46973027d1e3c9a92a51ef920caf07396cd331
SSDEEP

98304:CW4fU/YRiA7XMmuALuFiyjfaAXKt33eLm6gPXKQdEPIBz4KWS60Gtwe5wQxle:J4+Q7X1L2iefaWKtHX6gPCPIN4KWSytm

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/1828-87-0x0000000000A90000-0x0000000000B32000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmpmp3doctorfree32.exemp3doctorfree32.exe

pid process

4872 b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp
2860 mp3doctorfree32.exe
1828 mp3doctorfree32.exe
Loads dropped DLL 1 IoCs

Processes:

b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp

pid process

4872 b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.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 45.155.250.90
Destination IP 152.89.198.214
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:

b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp

pid process

4872 b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp

resource	yara_rule
behavioral2/memory/1828-87-0x0000000000A90000-0x0000000000B32000-memory.dmp	family_socks5systemz

pid	process
4872	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp
2860	mp3doctorfree32.exe
1828	mp3doctorfree32.exe

pid	process
4872	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp

description	ioc
Destination IP	45.155.250.90
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
4872	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.exeb70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp

description	pid	process	target process
PID 4592 wrote to memory of 4872	4592	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.exe	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp
PID 4592 wrote to memory of 4872	4592	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.exe	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp
PID 4592 wrote to memory of 4872	4592	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.exe	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp
PID 4872 wrote to memory of 2860	4872	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp	mp3doctorfree32.exe
PID 4872 wrote to memory of 2860	4872	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp	mp3doctorfree32.exe
PID 4872 wrote to memory of 2860	4872	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp	mp3doctorfree32.exe
PID 4872 wrote to memory of 1828	4872	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp	mp3doctorfree32.exe
PID 4872 wrote to memory of 1828	4872	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp	mp3doctorfree32.exe
PID 4872 wrote to memory of 1828	4872	b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp	mp3doctorfree32.exe

C:\Users\Admin\AppData\Local\Temp\b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.exe
"C:\Users\Admin\AppData\Local\Temp\b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4592

C:\Users\Admin\AppData\Local\Temp\is-CRVSE.tmp\b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp
"C:\Users\Admin\AppData\Local\Temp\is-CRVSE.tmp\b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp" /SL5="$A020A,4962069,54272,C:\Users\Admin\AppData\Local\Temp\b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4872

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:2860

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:1828

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
0b0460ac7fa609b3ffde6e2edb2c59c5

SHA1
acd207313b73b8d2365badb202a33492a6ad26d8

SHA256
4c5ab64184e2c9bbf332b428969918a946af02aae3d2c018f58a08fc59f763a7

SHA512
29bbbe83483ab8c93a9035c7835b2b564dde439237b0f03734dcce81bf3c5cdc5d8998223169c0b57e5fb3598e8743c02655cb4824e8771421463b4bc8511d37

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CRVSE.tmp\b70aede978fe732b1a9c16615971ecb5e3959edcc96156431f5fbf6c4593c092.tmp
Filesize
680KB

MD5
ccb0aaf8d3c06066757797254c79d1e4

SHA1
ed94ebd53602b25e6ae0d78c4fd25f74d0c3f688

SHA256
eb2f1a419f65636db628e3047fd9786a7a156c39a86433c5afa8238ed619aabd

SHA512
34007e899fc813653d2518a0201347dd738cc9c8adf0324e158c117b4ceef6537c15a4fe72c691b28f19c77b56b14aef7f6c7e3e8b8a3bcbd9391783ed1bed10

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1828-94-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-78-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-115-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-112-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-109-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-106-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-66-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-68-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-103-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-100-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-71-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-74-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-75-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-97-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-81-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-84-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1828-87-0x0000000000A90000-0x0000000000B32000-memory.dmp

Filesize
648KB

Download
memory/1828-89-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2860-64-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2860-60-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/2860-59-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/4592-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4592-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4592-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4872-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4872-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download