socks5systemz | 6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3

General

Target

6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.exe
Size

5.0MB
MD5

7747add48675a6bd54a62e1bce921610
SHA1

cc0c6b164d758370596dc0fca7a5ae421fa4e0ea
SHA256

6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3
SHA512

e83370efd88998b873a1b236229bdb2e8102b1219e19dd31be1c1426edd802d5e48f41de112e3c87911a3848c3342f10f98cf7de2fdaa0f9233eb6e01f1fa362
SSDEEP

98304:mJyD+NUTH25f5glR4LJMlncmyi70pC+3qw8Y2wXtNZls7xxs8bj4onqzmN6/:6ItTRyLsvQafY2wVlAqkvqzr/

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bugesur.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/860-87-0x00000000028D0000-0x0000000002972000-memory.dmp	family_socks5systemz

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

Processes:

6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmpstarsaudioconverter.exestarsaudioconverter.exe

pid process

1356 6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp
3760 starsaudioconverter.exe
860 starsaudioconverter.exe
Loads dropped DLL 1 IoCs

Processes:

6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp

pid process

1356 6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.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:

6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp

pid process

1356 6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp

pid	process
1356	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp
3760	starsaudioconverter.exe
860	starsaudioconverter.exe

pid	process
1356	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	141.98.234.31
Destination IP	91.211.247.248

pid	process
1356	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.exe6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp

description	pid	process	target process
PID 2120 wrote to memory of 1356	2120	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.exe	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp
PID 2120 wrote to memory of 1356	2120	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.exe	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp
PID 2120 wrote to memory of 1356	2120	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.exe	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp
PID 1356 wrote to memory of 3760	1356	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp	starsaudioconverter.exe
PID 1356 wrote to memory of 3760	1356	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp	starsaudioconverter.exe
PID 1356 wrote to memory of 3760	1356	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp	starsaudioconverter.exe
PID 1356 wrote to memory of 860	1356	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp	starsaudioconverter.exe
PID 1356 wrote to memory of 860	1356	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp	starsaudioconverter.exe
PID 1356 wrote to memory of 860	1356	6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp	starsaudioconverter.exe

C:\Users\Admin\AppData\Local\Temp\6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.exe
"C:\Users\Admin\AppData\Local\Temp\6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2120

C:\Users\Admin\AppData\Local\Temp\is-GNC32.tmp\6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp
"C:\Users\Admin\AppData\Local\Temp\is-GNC32.tmp\6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp" /SL5="$B004C,5033381,54272,C:\Users\Admin\AppData\Local\Temp\6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1356

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe" -i
3⤵
- Executes dropped EXE
PID:3760

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe
"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe" -s
3⤵
- Executes dropped EXE
PID:860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe
Filesize
2.6MB

MD5
849eeeec8fb426a222c168d8bdb56830

SHA1
b86d644ac0b169768f72fd2e67e7bc51335b254b

SHA256
b290aa5bc00e29a1c4195017a332c72486842238ac4a2f02e4decd427a7b586e

SHA512
721c849e51b05fdfbdb3d97063dbb90cdeb228a0e341857cd4a1dd9af9a84b709c62d91096ae3f28ba0ccafa0488c91a4e68d10388e658487ddaed04059d23ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-GNC32.tmp\6ac39242eaca3dfa48eae280631fb060da7c017cf9d8880fd67b00a24ae40bb3.tmp
Filesize
680KB

MD5
7b17001e9962a8c05608c4f1daf9ef32

SHA1
4e6761d6376029f4693d97ae693bdbdace2bbc92

SHA256
66588c4f0da8cd01e0b13b2f70f30e4f540d8ac299a3e4a218070c3097a8f262

SHA512
e973b087584bb1b8b2279a337e46f72b438018df405f5664cc5a8a427e25c3b1b163a3d6c685428846a38a6d5ee03bf1647d17478c62f5d8e45084acdbb73eca

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-SICE2.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/860-97-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-80-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-115-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-112-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-109-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-106-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-103-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-68-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-100-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-94-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-71-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-74-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-77-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-88-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-83-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/860-87-0x00000000028D0000-0x0000000002972000-memory.dmp

Filesize
648KB

Download
memory/1356-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1356-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2120-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2120-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2120-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3760-65-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/3760-59-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/3760-60-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download
memory/3760-61-0x0000000000400000-0x0000000000692000-memory.dmp

Filesize
2.6MB

Download

Analysis

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