socks5systemz | 61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912

Analysis

max time kernel
142s
max time network
129s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
02-07-2024 06:25

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General

Target

61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.exe
Size

5.3MB
MD5

6c0c923a36fd17484dfd750d74921930
SHA1

b4f7b453fe10966ddb031df9d83e78dd08ecd548
SHA256

61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912
SHA512

b4b8e2d10403647f41b195355366f2a1a0c6826cbd0a53372c092c56075f1be9f054139d7a9125a7ce53f944dde52b8a6599f171137f3c8f07c6d270a29dc157
SSDEEP

98304:CthsAaGEHBwgfnK9I2xyVO3QaQ+kaAMrP53VpUwgCLbVUO0AVEaQ5cGi9QxD:iLaG6/0I2W+1CVChVpUqmO0YA5pUQt

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4808-85-0x0000000002640000-0x00000000026E2000-memory.dmp	family_socks5systemz
behavioral2/memory/4808-108-0x0000000002640000-0x00000000026E2000-memory.dmp	family_socks5systemz
behavioral2/memory/4808-109-0x0000000002640000-0x00000000026E2000-memory.dmp	family_socks5systemz

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

Processes:

61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmpudadvdfreeripper.exeudadvdfreeripper.exe

pid process

328 61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp
1456 udadvdfreeripper.exe
4808 udadvdfreeripper.exe
Loads dropped DLL 1 IoCs

Processes:

61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp

pid process

328 61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.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:

61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp

pid process

328 61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp

pid	process
328	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp
1456	udadvdfreeripper.exe
4808	udadvdfreeripper.exe

pid	process
328	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
328	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.exe61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp

description	pid	process	target process
PID 2372 wrote to memory of 328	2372	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.exe	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp
PID 2372 wrote to memory of 328	2372	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.exe	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp
PID 2372 wrote to memory of 328	2372	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.exe	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp
PID 328 wrote to memory of 1456	328	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp	udadvdfreeripper.exe
PID 328 wrote to memory of 1456	328	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp	udadvdfreeripper.exe
PID 328 wrote to memory of 1456	328	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp	udadvdfreeripper.exe
PID 328 wrote to memory of 4808	328	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp	udadvdfreeripper.exe
PID 328 wrote to memory of 4808	328	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp	udadvdfreeripper.exe
PID 328 wrote to memory of 4808	328	61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp	udadvdfreeripper.exe

C:\Users\Admin\AppData\Local\Temp\61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.exe
"C:\Users\Admin\AppData\Local\Temp\61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2372

C:\Users\Admin\AppData\Local\Temp\is-07GO4.tmp\61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp
"C:\Users\Admin\AppData\Local\Temp\is-07GO4.tmp\61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp" /SL5="$B004C,5334686,54272,C:\Users\Admin\AppData\Local\Temp\61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:328

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe" -i
3⤵
- Executes dropped EXE
PID:1456

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe" -s
3⤵
- Executes dropped EXE
PID:4808

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-07GO4.tmp\61ca0919c72b439d2ea8f10f337e784ee42ab9070815b4e7b7bdef40fe0ba912.tmp
Filesize
680KB

MD5
f5a543b11f52aa99d4753150596cd5c9

SHA1
5ff7c7717fabb8d0df54fb5685db47f286419192

SHA256
6c0b35046f2f5bc09b3cd9990cd1534369b2464bdc9c07ac3b9e22040b8ad7e7

SHA512
3e6850c98c48516706f100f03f12d3e746732da2c9f2ecec8a78778b0e1bc4ebbcaea0698d82f74fb1926b2abddcb7ad99c0a31274bcc02cfc595a7d14a6d945

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-R8P6U.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe
Filesize
4.2MB

MD5
d25843861e27751c23868053e9ac0f7c

SHA1
5dc27fe51eef32e4cc48c1a83f1ca1588a945c8c

SHA256
913a270d79931227a2e409e927e338f0e9bfed534c70d52e1e5f10523ded463c

SHA512
8b171eb06055c11bcf3b9945fd9d732404b2d4eed40565dbb25fee00974e5cb6d7340769658371cf33dd3da0660dce712fc29c210bd1880a8ac30bf01d8d6b87

Download Submit
memory/328-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/328-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1456-62-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1456-64-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/1456-59-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/2372-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2372-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2372-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4808-76-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-95-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-73-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-67-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-79-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-82-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-85-0x0000000002640000-0x00000000026E2000-memory.dmp

Filesize
648KB

Download
memory/4808-86-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-92-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-70-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-98-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-101-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-104-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-107-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-108-0x0000000002640000-0x00000000026E2000-memory.dmp

Filesize
648KB

Download
memory/4808-109-0x0000000002640000-0x00000000026E2000-memory.dmp

Filesize
648KB

Download
memory/4808-113-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download
memory/4808-116-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download