socks5systemz | b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900

Analysis

max time kernel
141s
max time network
127s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
28-06-2024 13:38

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General

Target

b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.exe
Size

5.1MB
MD5

05a546060127e38ef20e701bd6fe7945
SHA1

5d02af987adbf0359e4afcbd52ced4b2b9f22ed9
SHA256

b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900
SHA512

e6f72c88daffa24953f5ac9df17a325186f93b1c2bd326c6c4381811067b44a02b69ba4664df8ced71d79c453458537bd49ce6949897b19b63662a70fef2b31c
SSDEEP

98304:CEleUkaAC3wHei5QlMBoS25YqVgfAZzYkXAvLtAiB8IZSNQJBfMmFgscP/Xqy/Au:Zleh9C3wHV5QKoS65zrAvLtVqoSNGCss

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/2024-85-0x0000000000B80000-0x0000000000C21000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmptotalrecorderfree32.exetotalrecorderfree32.exe

pid process

3304 b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp
2040 totalrecorderfree32.exe
2024 totalrecorderfree32.exe
Loads dropped DLL 1 IoCs

Processes:

b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp

pid process

3304 b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.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:

b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp

pid process

3304 b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp

resource	yara_rule
behavioral2/memory/2024-85-0x0000000000B80000-0x0000000000C21000-memory.dmp	family_socks5systemz

pid	process
3304	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp
2040	totalrecorderfree32.exe
2024	totalrecorderfree32.exe

pid	process
3304	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
3304	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.exeb1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp

description	pid	process	target process
PID 3556 wrote to memory of 3304	3556	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.exe	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp
PID 3556 wrote to memory of 3304	3556	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.exe	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp
PID 3556 wrote to memory of 3304	3556	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.exe	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp
PID 3304 wrote to memory of 2040	3304	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp	totalrecorderfree32.exe
PID 3304 wrote to memory of 2040	3304	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp	totalrecorderfree32.exe
PID 3304 wrote to memory of 2040	3304	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp	totalrecorderfree32.exe
PID 3304 wrote to memory of 2024	3304	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp	totalrecorderfree32.exe
PID 3304 wrote to memory of 2024	3304	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp	totalrecorderfree32.exe
PID 3304 wrote to memory of 2024	3304	b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp	totalrecorderfree32.exe

C:\Users\Admin\AppData\Local\Temp\b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.exe
"C:\Users\Admin\AppData\Local\Temp\b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3556

C:\Users\Admin\AppData\Local\Temp\is-KPJRF.tmp\b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp
"C:\Users\Admin\AppData\Local\Temp\is-KPJRF.tmp\b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp" /SL5="$40232,5113268,54272,C:\Users\Admin\AppData\Local\Temp\b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3304

C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe
"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe" -i
3⤵
- Executes dropped EXE
PID:2040

C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe
"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe" -s
3⤵
- Executes dropped EXE
PID:2024

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\Temp\is-2CC6S.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KPJRF.tmp\b1a17410a647837c61df842ccda7baa242e5f1254c97107c182bb19844d72900.tmp
Filesize
680KB

MD5
30aac890bf700fefcd93022f840254b1

SHA1
70739b6caf72dd41b3b4cefd6ad2d4942db7ea2a

SHA256
796212c565796f92a71eb1fc46cbe8e06a746f1da93a232ae58fcd500670f4f8

SHA512
e954a5e610118163cbc471766d9d9f1a9dad95dc06b96cc3b7e9d695da1974e0ef57ab890d06e10bee25a055a022ddd17d63a2ef9919ffc3cee5c516b15567b2

Download Submit
C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32.exe
Filesize
3.6MB

MD5
fa25c75df45e8a9d8c6b25d66d37ce0a

SHA1
a16f2cce562995f814b09cf290b0384a33ed98c7

SHA256
8d0da3b0bfae4bc62ea49768b5790c3c05c0d6ef2fd902f6b3b84f5a3d886adc

SHA512
e6df69edf59cc0bc9ff0823d701eee07eb8b50473e62053a9d006780eec01910cad305d4cde9d576a106ca6e6bca917b68ea75996328a46dd24947fdcad0e80a

Download Submit
memory/2024-94-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-77-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-116-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-113-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-109-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-106-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-103-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-67-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-100-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-97-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-70-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-73-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-74-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-89-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-80-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-83-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2024-85-0x0000000000B80000-0x0000000000C21000-memory.dmp

Filesize
644KB

Download
memory/2040-60-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2040-64-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2040-63-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/2040-59-0x0000000000400000-0x0000000000791000-memory.dmp

Filesize
3.6MB

Download
memory/3304-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3304-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3556-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3556-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3556-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download