socks5systemz | b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995

General

Target

b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe
Size

4.8MB
MD5

3c211e347090930efc5840d9c261369a
SHA1

e6b75f2990d369a55456a921f7c11e8bf3ddefb6
SHA256

b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995
SHA512

10b2a82f67ca3811181edd8b261c6ef6e231d924f32e2ed2756cebc9a6569f04840dc6947dc11a9bf45f9b759a8ccd9217e7802eae1f2729579c855dd06c31c0
SSDEEP

98304:mMub1ialpsbm1SuulMaUWKH9sPWnkrSndM36v/+WNibfvQ0:khpRdjXlHSPykrSntBNibf9

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bovpbds.com

kzgecyp.ua

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2540-95-0x0000000002670000-0x0000000002712000-memory.dmp	family_socks5systemz

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

Processes:

b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmpaudioconverter32.exeaudioconverter32.exe

pid process

2420 b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
2608 audioconverter32.exe
2540 audioconverter32.exe

pid	process
2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
2608	audioconverter32.exe
2540	audioconverter32.exe

Loads dropped DLL 6 IoCs

Processes:

b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exeb8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp

pid	process
2220	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe
2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.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	45.155.250.90
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	91.211.247.248
Destination IP	81.31.197.38
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	45.155.250.90
Destination IP	152.89.198.214
Destination IP	81.31.197.38
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:

b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp

pid process

2420 b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp

pid	process
2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exeb8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp

description	pid	process	target process
PID 2220 wrote to memory of 2420	2220	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
PID 2220 wrote to memory of 2420	2220	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
PID 2220 wrote to memory of 2420	2220	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
PID 2220 wrote to memory of 2420	2220	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
PID 2220 wrote to memory of 2420	2220	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
PID 2220 wrote to memory of 2420	2220	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
PID 2220 wrote to memory of 2420	2220	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
PID 2420 wrote to memory of 2608	2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2608	2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2608	2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2608	2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2540	2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2540	2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2540	2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2540	2420	b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp	audioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe
"C:\Users\Admin\AppData\Local\Temp\b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2220

C:\Users\Admin\AppData\Local\Temp\is-V6PN1.tmp\b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
"C:\Users\Admin\AppData\Local\Temp\is-V6PN1.tmp\b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp" /SL5="$40016,4762623,54272,C:\Users\Admin\AppData\Local\Temp\b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2420

C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -i
3⤵
- Executes dropped EXE
PID:2608

C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -s
3⤵
- Executes dropped EXE
PID:2540

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
Filesize
2.9MB

MD5
edb9f68cdb8a5be51ddd9408c8f1eaa7

SHA1
eea6d6b43f1704deab95e4fa6661a9480751ded0

SHA256
b08b991af44827a81336babbedeb7195bca5d2e164fc3d41c64905a92fc3acfa

SHA512
56a801a05650fc41ccda957eb9052015e7f6c9bb38adc81edd0cbc1a6a4811190360fd34210502e53a0749cd5e46a36e9441aad98f0c30d66d97247e0e93e795

Download Submit
\Users\Admin\AppData\Local\Temp\is-AP9HU.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-AP9HU.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-V6PN1.tmp\b8f5a15fe091851a9507eac3cab254b511e693363264b0ad2147ebb7de5a0995.tmp
Filesize
680KB

MD5
f2ea57162349fbb5a88b276f91880c7d

SHA1
31d0ef8f01ec1dbca631b2aee891ec46c0a2c663

SHA256
756ee2c303f097f361c1f6f16f118612acd5ceb277fd7642695b36fedf0dba68

SHA512
3dd06f405e036ade9fd52ac7ae189e8c1bafc48dc09f6f346f5b1ddb32ec43ecf527bd96d2c446d320cd22ea63d5eae430cab92533847d83a0af015224a13799

Download Submit
memory/2220-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2420-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2420-64-0x0000000005BC0000-0x0000000005EA9000-memory.dmp

Filesize
2.9MB

Download
memory/2420-81-0x0000000005BC0000-0x0000000005EA9000-memory.dmp

Filesize
2.9MB

Download
memory/2420-78-0x0000000005BC0000-0x0000000005EA9000-memory.dmp

Filesize
2.9MB

Download
memory/2420-72-0x0000000005BC0000-0x0000000005EA9000-memory.dmp

Filesize
2.9MB

Download
memory/2420-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2540-110-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-101-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-77-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-73-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-137-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-82-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-85-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-88-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-91-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-94-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-95-0x0000000002670000-0x0000000002712000-memory.dmp

Filesize
648KB

Download
memory/2540-134-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-104-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-107-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-131-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-113-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-116-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-119-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-122-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-125-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2540-128-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2608-65-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2608-69-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2608-66-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads