socks5systemz | 7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f

Analysis

max time kernel
149s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
02-07-2024 23:00

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General

Target

7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.exe
Size

5.1MB
MD5

a338e26f564e2e42db650866b6484f20
SHA1

7b915910b4b3b0df19e91ac66c3f8dcb8a0bc3d4
SHA256

7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f
SHA512

5391eec1bbf32e5213c47f3ed474b971722aae94ccc4a25d901e9222a20d2cb555deb2da270a795d324ae444f0697f3947d2c230ff0ce24df7985d838e35fd95
SSDEEP

98304:C3+kLpvrHRBXaOXqMAg+8D2nEnWuLEdxyiYhfham7NZEZeQxla:4rXKOxATzsEdxujTEgQva

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/3328-83-0x0000000002610000-0x00000000026B2000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmpudadvdfreeripper32_64.exeudadvdfreeripper32_64.exe

pid process

436 7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp
2720 udadvdfreeripper32_64.exe
3328 udadvdfreeripper32_64.exe
Loads dropped DLL 1 IoCs

Processes:

7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp

pid process

436 7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.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 141.98.234.31
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:

7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp

pid process

436 7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp

resource	yara_rule
behavioral2/memory/3328-83-0x0000000002610000-0x00000000026B2000-memory.dmp	family_socks5systemz

pid	process
436	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp
2720	udadvdfreeripper32_64.exe
3328	udadvdfreeripper32_64.exe

pid	process
436	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
436	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.exe7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp

description	pid	process	target process
PID 1376 wrote to memory of 436	1376	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.exe	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp
PID 1376 wrote to memory of 436	1376	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.exe	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp
PID 1376 wrote to memory of 436	1376	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.exe	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp
PID 436 wrote to memory of 2720	436	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp	udadvdfreeripper32_64.exe
PID 436 wrote to memory of 2720	436	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp	udadvdfreeripper32_64.exe
PID 436 wrote to memory of 2720	436	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp	udadvdfreeripper32_64.exe
PID 436 wrote to memory of 3328	436	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp	udadvdfreeripper32_64.exe
PID 436 wrote to memory of 3328	436	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp	udadvdfreeripper32_64.exe
PID 436 wrote to memory of 3328	436	7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp	udadvdfreeripper32_64.exe

C:\Users\Admin\AppData\Local\Temp\7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.exe
"C:\Users\Admin\AppData\Local\Temp\7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1376

C:\Users\Admin\AppData\Local\Temp\is-RNV8M.tmp\7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp
"C:\Users\Admin\AppData\Local\Temp\is-RNV8M.tmp\7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp" /SL5="$5020E,5124018,54272,C:\Users\Admin\AppData\Local\Temp\7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:436

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe" -i
3⤵
- Executes dropped EXE
PID:2720

C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe" -s
3⤵
- Executes dropped EXE
PID:3328

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-8ERJT.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RNV8M.tmp\7a152a5b5799d3e53d27754ef609230378350f8683cb1e2f1d9eee965e50d07f.tmp
Filesize
680KB

MD5
abcd6f574ffe756e51da3afb3c212040

SHA1
ea0ecf034c3122d64395aaafa59ea701d6b86c00

SHA256
441148131dcb4a120bbc5909fafc077d739274062eddb093fe3d072ec3dc29b7

SHA512
41d2fafdd9b89da7510d683ae8d0b4fc7ff92889d8b684a04b7684940b2db3587685c453547afec570ee1f28ad95376d3ac052372f0a08a0eb4604dd811f7c03

Download Submit
C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
Filesize
3.8MB

MD5
468ea90160f14d727080b8200bc394db

SHA1
ac342763f68aceb5671305c00995a89af4ee2c50

SHA256
3dc3cbb1194c8217cfcfae1b20839f7031471a8771ab52a3446cc743bf277c80

SHA512
1f89f43a940d1f12fac668674cf0d4b4c25b8bc5715e252b9c55c95620a6c176bf91ed0840f9e308216f2c71e0e47ab5a58016e6384672be1989336a614da0ec

Download Submit
memory/436-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/436-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1376-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1376-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1376-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2720-59-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/2720-62-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/2720-63-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-70-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-86-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-73-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-76-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-79-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-82-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-83-0x0000000002610000-0x00000000026B2000-memory.dmp

Filesize
648KB

Download
memory/3328-67-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-92-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-95-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-98-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-101-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-104-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-107-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-110-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download
memory/3328-113-0x0000000000400000-0x00000000007DA000-memory.dmp

Filesize
3.9MB

Download