socks5systemz | 742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13

Analysis

max time kernel
148s
max time network
151s
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 07:12

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General

Target

742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.exe
Size

5.2MB
MD5

a8d65f41dac4251b1a0658bdb959d3f7
SHA1

109e60b3948b0ac769641d570a1149c9309ed61e
SHA256

742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13
SHA512

fffd680365c21595d1049600ed155e695dd64d71e44c384435ba4c54deb75786df53b96bef63413eab8de2689c34c8cf3ec111937c58c30ab354da0b0b336c9a
SSDEEP

98304:CevGr5ZXX/Qs3kOD2MsYkxHUjbDAQ5hELQIKogg4dIHlTBEQxS:TGr5PJj/kxHUjb4QIKVg4dylTBEQ0

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/4892-87-0x0000000000B30000-0x0000000000BD2000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmpudadvdfreeripper.exeudadvdfreeripper.exe

pid process

3124 742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp
424 udadvdfreeripper.exe
4892 udadvdfreeripper.exe
Loads dropped DLL 1 IoCs

Processes:

742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp

pid process

3124 742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.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 91.211.247.248
Destination IP 152.89.198.214
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:

742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp

pid process

3124 742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp

resource	yara_rule
behavioral2/memory/4892-87-0x0000000000B30000-0x0000000000BD2000-memory.dmp	family_socks5systemz

pid	process
3124	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp
424	udadvdfreeripper.exe
4892	udadvdfreeripper.exe

pid	process
3124	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	152.89.198.214
Destination IP	152.89.198.214

pid	process
3124	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.exe742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp

description	pid	process	target process
PID 2644 wrote to memory of 3124	2644	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.exe	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp
PID 2644 wrote to memory of 3124	2644	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.exe	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp
PID 2644 wrote to memory of 3124	2644	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.exe	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp
PID 3124 wrote to memory of 424	3124	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp	udadvdfreeripper.exe
PID 3124 wrote to memory of 424	3124	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp	udadvdfreeripper.exe
PID 3124 wrote to memory of 424	3124	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp	udadvdfreeripper.exe
PID 3124 wrote to memory of 4892	3124	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp	udadvdfreeripper.exe
PID 3124 wrote to memory of 4892	3124	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp	udadvdfreeripper.exe
PID 3124 wrote to memory of 4892	3124	742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp	udadvdfreeripper.exe

C:\Users\Admin\AppData\Local\Temp\742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.exe
"C:\Users\Admin\AppData\Local\Temp\742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2644

C:\Users\Admin\AppData\Local\Temp\is-L27PC.tmp\742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp
"C:\Users\Admin\AppData\Local\Temp\is-L27PC.tmp\742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp" /SL5="$70084,5238425,54272,C:\Users\Admin\AppData\Local\Temp\742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3124

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:424

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:4892

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-0KNK9.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-L27PC.tmp\742e3dcdb6f0b034257802cbd0e20fa76f83a467f82852b5b78d87e325417f13.tmp
Filesize
680KB

MD5
57f105eb048c2e407e3cf46e6a350d2e

SHA1
ddc7ca9f8d7974fcfe60dbac04465772ad91068e

SHA256
1d7a6131a37000b32deddac26b45589a3d1e1399d1231fb9916f388a17d87aff

SHA512
c7f77db12ce7c705b418753b167fbbf1ee0a8cd3c75ca0f2da5fce4bfc9667b059494bd4b0c10a74e95c72beef09398a86746bcef7bf58bb84baa4ea1dae5007

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

MD5
221f6fe9e12ba35c9371cde29945c242

SHA1
f9b4f940cac75474a16123516c8fa416d7018245

SHA256
63e76a26f8c34805b65458e52eb173b1a84ddee63ba1dccb2f9709739243b60d

SHA512
1b4d7e82687712f8ef102a93b3f4de4166cfc35b8131fbef5155b5e956d75d9c4b6e04efba2349cfd63cb1ca2f9bc448811b33fb0bbd875473a51a466697b0cf

Download Submit
memory/424-59-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/424-64-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/424-62-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/2644-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2644-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2644-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3124-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3124-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4892-74-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-88-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-71-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-66-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-75-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-78-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-81-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-84-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-87-0x0000000000B30000-0x0000000000BD2000-memory.dmp

Filesize
648KB

Download
memory/4892-68-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-94-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-97-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-100-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-103-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-106-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-109-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-112-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download
memory/4892-115-0x0000000000400000-0x000000000083B000-memory.dmp

Filesize
4.2MB

Download