socks5systemz | 2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7

General

Target

2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.exe
Size

4.9MB
MD5

c512fe759ed097d027dcf8262808a069
SHA1

c2b8ff9f6ffe59e70d778540d38e6758288f8f4e
SHA256

2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7
SHA512

6a0656bf9116fb4acb4566ee4198e75e5948c251c7a5fa198ec12f49193645e27979cd0b7e9f483ad457a159a6ac22edce211a7fe09c75472de75e03f572c56d
SSDEEP

98304:mEEUu8FBVbU8QBgHoCvmI1c5Yvt7stG12VgkFqUFXtuI50TsYA:znv5EyHoCk+qM1uFbuIKoYA

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aikzgfo.ru

http://aikzgfo.ru/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec979c3f

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1400-81-0x0000000000910000-0x00000000009B2000-memory.dmp	family_socks5systemz

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

Processes:

2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmporangestarsaudioconverter.exeorangestarsaudioconverter.exe

pid process

3952 2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp
204 orangestarsaudioconverter.exe
1400 orangestarsaudioconverter.exe
Loads dropped DLL 1 IoCs

Processes:

2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp

pid process

3952 2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.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 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:

2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp

pid process

3952 2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp

pid	process
3952	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp
204	orangestarsaudioconverter.exe
1400	orangestarsaudioconverter.exe

pid	process
3952	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
3952	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.exe2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp

description	pid	process	target process
PID 516 wrote to memory of 3952	516	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.exe	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp
PID 516 wrote to memory of 3952	516	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.exe	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp
PID 516 wrote to memory of 3952	516	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.exe	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp
PID 3952 wrote to memory of 204	3952	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp	orangestarsaudioconverter.exe
PID 3952 wrote to memory of 204	3952	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp	orangestarsaudioconverter.exe
PID 3952 wrote to memory of 204	3952	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp	orangestarsaudioconverter.exe
PID 3952 wrote to memory of 1400	3952	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp	orangestarsaudioconverter.exe
PID 3952 wrote to memory of 1400	3952	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp	orangestarsaudioconverter.exe
PID 3952 wrote to memory of 1400	3952	2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp	orangestarsaudioconverter.exe

C:\Users\Admin\AppData\Local\Temp\2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.exe
"C:\Users\Admin\AppData\Local\Temp\2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:516

C:\Users\Admin\AppData\Local\Temp\is-TQTP2.tmp\2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp
"C:\Users\Admin\AppData\Local\Temp\is-TQTP2.tmp\2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp" /SL5="$50224,4860100,54272,C:\Users\Admin\AppData\Local\Temp\2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3952

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe" -i
3⤵
- Executes dropped EXE
PID:204

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe" -s
3⤵
- Executes dropped EXE
PID:1400

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\orangestarsaudioconverter.exe
Filesize
2.4MB

MD5
b5cda48c9c0351efba0d37e6fb11ca75

SHA1
f62bc1ccb2edeab0c0790900939788be9654a17e

SHA256
1a72ba2b31d2e106b2cfc69feeb5fd9d6a379ec5522779df4ecd5ecb577678a0

SHA512
4f8d67bb34c56a1dae2d04094537e6d027b527a1de162dcf25847f8d4179ad85f5b5a19f33a5230ae502c3c394a2be58fbfa889456612f068023f69ab6c8f5cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TQTP2.tmp\2f3987424da71020d666d6fd2bc523ae04855fcec0b002bce7fdfefe6e3b5ee7.tmp
Filesize
680KB

MD5
08c5308a61a367d176175cd169fd1e02

SHA1
153340b1321627103a2e7d6122b53c3fb527c384

SHA256
9e891b18b5afb4f683ca3bea2c2725a6d406aabfe5cf94d7f7b4b42183cf7f42

SHA512
63008dfe774eaa6b9eb94eb2db8e6b5f5e6827863a219b5127dcc0eeb4519c04f8c3f4e5f91912ad4822b448976a65403dae6273da8a72986f1ac76bd47eded1

Download Submit
\Users\Admin\AppData\Local\Temp\is-RFQ8G.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/204-59-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/204-60-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/204-63-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/516-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/516-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/516-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1400-77-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-96-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-68-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-71-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-74-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-129-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-80-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-81-0x0000000000910000-0x00000000009B2000-memory.dmp

Filesize
648KB

Download
memory/1400-85-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-90-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-93-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-124-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-99-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-102-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-105-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-109-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-112-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-115-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-118-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/1400-121-0x0000000000400000-0x0000000000665000-memory.dmp

Filesize
2.4MB

Download
memory/3952-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3952-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing