socks5systemz | 2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7

General

Target

2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.exe
Size

5.6MB
MD5

e999d3cb5228dc29a1088b5f79c5b840
SHA1

6b779435532b0bddb70a76c246d31a8b38cec331
SHA256

2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7
SHA512

23b8493ac774e7962fd9bdd415ecea39788f0b4d8c6c63bfd512f587b517925dff4383b7b4d00154d686ade9a2107416677f3581f94062e684fd5e8fe2c010e6
SSDEEP

98304:m4gZwiCwr9c3kNEIm40aiiOD6r+vrrLCE5BDYjyC2pLz4erKw0Rk+oRMDVBH:xuJJNEIFicKvr7FLL0Ty+BBH

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bvvxylp.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4116-90-0x00000000025A0000-0x0000000002642000-memory.dmp	family_socks5systemz

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

Processes:

2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmpsvomediaplayer32.exesvomediaplayer32.exe

pid process

212 2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp
216 svomediaplayer32.exe
4116 svomediaplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp

pid	process
212	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp
212	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp
212	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.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 152.89.198.214
Destination IP 141.98.234.31
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:

2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp

pid process

212 2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	141.98.234.31
Destination IP	91.211.247.248

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.exe2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp

description	pid	process	target process
PID 4920 wrote to memory of 212	4920	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.exe	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp
PID 4920 wrote to memory of 212	4920	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.exe	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp
PID 4920 wrote to memory of 212	4920	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.exe	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp
PID 212 wrote to memory of 216	212	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp	svomediaplayer32.exe
PID 212 wrote to memory of 216	212	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp	svomediaplayer32.exe
PID 212 wrote to memory of 216	212	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp	svomediaplayer32.exe
PID 212 wrote to memory of 4116	212	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp	svomediaplayer32.exe
PID 212 wrote to memory of 4116	212	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp	svomediaplayer32.exe
PID 212 wrote to memory of 4116	212	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp	svomediaplayer32.exe

C:\Users\Admin\AppData\Local\Temp\2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.exe
"C:\Users\Admin\AppData\Local\Temp\2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4920

C:\Users\Admin\AppData\Local\Temp\is-47OFD.tmp\2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp
"C:\Users\Admin\AppData\Local\Temp\is-47OFD.tmp\2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp" /SL5="$60064,5602898,54272,C:\Users\Admin\AppData\Local\Temp\2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:212

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i
3⤵
- Executes dropped EXE
PID:216

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s
3⤵
- Executes dropped EXE
PID:4116

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
Filesize
3.3MB

MD5
280410e0c6650472369fce616491e070

SHA1
50f9bbc30494358b79d85bfe1f573b8fa523b1ee

SHA256
3715eeb56d3d327b01ed35a72adc032590d3c6eeb7c2aeb9ca17453d7b09fe51

SHA512
1be2f4fa73c87c7eb294a5a4b3215faf54fc890f75ea53433eac8f666fac06b346f712d938466bfd9385a09d9cb6f626c76f87c2d23370d02360adfa2f2bbb94

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-10OUK.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-10OUK.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-47OFD.tmp\2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp
Filesize
680KB

MD5
4468da54a8b07613269ca5537be5e235

SHA1
9aded70f0853385c5561fa275a77508edae15111

SHA256
0177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153

SHA512
3b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313

Download Submit
memory/212-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/212-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/216-71-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/216-65-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/216-66-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/216-69-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-77-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-90-0x00000000025A0000-0x0000000002642000-memory.dmp

Filesize
648KB

Download
memory/4116-120-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-117-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-114-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-80-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-83-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-86-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-89-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-74-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-94-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-99-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-102-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-105-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-108-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4116-111-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4920-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4920-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4920-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

pid	process
212	2873e26880b949b96f5b03d563788fb97190db41ebbb916ce0c0f591723eebc7.tmp
216	svomediaplayer32.exe
4116	svomediaplayer32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads