socks5systemz | ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6

General

Target

ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe
Size

5.0MB
MD5

8b662840665474400b0b83a5ce5dfba9
SHA1

1b7ea182554a8728729cba9f02a8f7a9ac74795a
SHA256

ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6
SHA512

8226e2d86aa2a59319979c1a1b065544fd363452dd542e308cb3ea1fabeaa6858632f77d1bdb56cc31fe1a7c0b4db049a484b908f3d1e40acb7c526fd0b921c1
SSDEEP

98304:m1p3kTW+00NTnsnitaFYrjmyhOG8p8Xbc9CSKHjyqA25ioukkOd42:yua+00dsndFijFhObp8XbcQSWjy25yHC

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dlkmukw.info

firttec.ru

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2552-92-0x00000000026D0000-0x0000000002772000-memory.dmp	family_socks5systemz

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

Processes:

ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmpm4atomp3freeconverter.exem4atomp3freeconverter.exe

pid process

1688 ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
2884 m4atomp3freeconverter.exe
2552 m4atomp3freeconverter.exe

pid	process
1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
2884	m4atomp3freeconverter.exe
2552	m4atomp3freeconverter.exe

Loads dropped DLL 5 IoCs

Processes:

ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exeec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp

pid	process
1704	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe
1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp

Unexpected DNS network traffic destination 13 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description	ioc
Destination IP	81.31.197.38
Destination IP	91.211.247.248
Destination IP	45.155.250.90
Destination IP	81.31.197.38
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	152.89.198.214
Destination IP	141.98.234.31
Destination IP	45.155.250.90
Destination IP	152.89.198.214
Destination IP	152.89.198.214
Destination IP	141.98.234.31
Destination IP	45.155.250.90

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:

ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp

pid process

1688 ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp

pid	process
1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exeec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp

description	pid	process	target process
PID 1704 wrote to memory of 1688	1704	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
PID 1704 wrote to memory of 1688	1704	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
PID 1704 wrote to memory of 1688	1704	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
PID 1704 wrote to memory of 1688	1704	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
PID 1704 wrote to memory of 1688	1704	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
PID 1704 wrote to memory of 1688	1704	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
PID 1704 wrote to memory of 1688	1704	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
PID 1688 wrote to memory of 2884	1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp	m4atomp3freeconverter.exe
PID 1688 wrote to memory of 2884	1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp	m4atomp3freeconverter.exe
PID 1688 wrote to memory of 2884	1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp	m4atomp3freeconverter.exe
PID 1688 wrote to memory of 2884	1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp	m4atomp3freeconverter.exe
PID 1688 wrote to memory of 2552	1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp	m4atomp3freeconverter.exe
PID 1688 wrote to memory of 2552	1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp	m4atomp3freeconverter.exe
PID 1688 wrote to memory of 2552	1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp	m4atomp3freeconverter.exe
PID 1688 wrote to memory of 2552	1688	ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp	m4atomp3freeconverter.exe

C:\Users\Admin\AppData\Local\Temp\ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe
"C:\Users\Admin\AppData\Local\Temp\ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1704

C:\Users\Admin\AppData\Local\Temp\is-0FK4P.tmp\ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
"C:\Users\Admin\AppData\Local\Temp\is-0FK4P.tmp\ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp" /SL5="$40016,4961019,54272,C:\Users\Admin\AppData\Local\Temp\ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1688

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -i
3⤵
- Executes dropped EXE
PID:2884

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -s
3⤵
- Executes dropped EXE
PID:2552

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

\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
Filesize
3.1MB

MD5
bfed44ebe92c462e7e223c957033ade9

SHA1
67b45883c76d4e9f65be9cbcc6aa5cf21f186172

SHA256
db347de07a06c66497fbc9bfbc197a9538c8af52a15d4763a556296a5bd6fd94

SHA512
bee0aaead7c043f2b45dc5a6cb086f71c7c9338ee4c466009eed46fe6001e5845b32a3b5e3ae8db6f633dae4f0251b44729c0b024f6f7e8764e258b0ac5e6a3c

Download Submit
\Users\Admin\AppData\Local\Temp\is-0FK4P.tmp\ec92fd535000437c1d7c6cf896ea3e9583ac656e5d2953da5cdcbb610dae6dd6.tmp
Filesize
680KB

MD5
dafff71ba13e58daac2c21ed0ed54458

SHA1
ec169d6088ee3a539030ef630164dae1dd7d9a80

SHA256
167c4af51c1b261fc6bc53d7e4eab5cc5408ac4953518f1dcd129dbe62aca9fb

SHA512
ecd2f14d391892f82efea278949c0a20367bec0eefef159ad44915d008b462ba0ffb5b00175c5b7f9b9e1f2779f9ed562eb39cf143dd9f44b550f96a7c9bc719

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-MVAID.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1688-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1688-63-0x0000000004280000-0x000000000459B000-memory.dmp

Filesize
3.1MB

Download
memory/1688-76-0x0000000004280000-0x000000000459B000-memory.dmp

Filesize
3.1MB

Download
memory/1688-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1704-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1704-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1704-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2552-104-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-98-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-134-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-75-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-131-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-79-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-82-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-85-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-88-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-91-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-92-0x00000000026D0000-0x0000000002772000-memory.dmp

Filesize
648KB

Download
memory/2552-71-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-101-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-128-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-107-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-110-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-113-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-116-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-119-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-122-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2552-125-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2884-65-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2884-66-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/2884-69-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads