socks5systemz | 0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8

General

Target

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe
Size

4.4MB
MD5

a3dc4bca5fd172e0483dd3ab19f61913
SHA1

434a9c7667eabe35ba85c337800ec0d48a217dc2
SHA256

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8
SHA512

f8bbb211e4f9d8ab137da05bf451714efe2604408dd13dd1c902fa318f914a18cd548428ae5599215ac04b599a325ce8ec3a7cca075b0cbda4fce9f6ce5a4a14
SSDEEP

98304:mJN1xw1T7zD88MsRLKgSiNcPnelzJRxzy9Oul79l2C7+lpn:O1xwdHbugfNcPnCzJRxzy9OG59ar

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ckaicga.net

http://ckaicga.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c7e89d9a3e

http://ckaicga.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12eab517aa5c96bd86e892874e845a8bbc896c58e713bc90c91f36b5281fc235a925ed3e57d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9d3cca679613

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1588-84-0x0000000000920000-0x00000000009C2000-memory.dmp	family_socks5systemz
behavioral1/memory/1588-107-0x0000000000920000-0x00000000009C2000-memory.dmp	family_socks5systemz
behavioral1/memory/1588-108-0x0000000000920000-0x00000000009C2000-memory.dmp	family_socks5systemz

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

Processes:

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmpaudialstunebite.exeaudialstunebite.exe

pid process

2888 0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
2344 audialstunebite.exe
1588 audialstunebite.exe
Loads dropped DLL 1 IoCs

Processes:

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

pid process

2888 0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.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:

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

pid process

2888 0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

pid	process
2888	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
2344	audialstunebite.exe
1588	audialstunebite.exe

pid	process
2888	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
2888	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp

description	pid	process	target process
PID 1544 wrote to memory of 2888	1544	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
PID 1544 wrote to memory of 2888	1544	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
PID 1544 wrote to memory of 2888	1544	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
PID 2888 wrote to memory of 2344	2888	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe
PID 2888 wrote to memory of 2344	2888	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe
PID 2888 wrote to memory of 2344	2888	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe
PID 2888 wrote to memory of 1588	2888	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe
PID 2888 wrote to memory of 1588	2888	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe
PID 2888 wrote to memory of 1588	2888	0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp	audialstunebite.exe

C:\Users\Admin\AppData\Local\Temp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe
"C:\Users\Admin\AppData\Local\Temp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1544

C:\Users\Admin\AppData\Local\Temp\is-AEK77.tmp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
"C:\Users\Admin\AppData\Local\Temp\is-AEK77.tmp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp" /SL5="$D0056,4393398,54272,C:\Users\Admin\AppData\Local\Temp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2888

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -i
3⤵
- Executes dropped EXE
PID:2344

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -s
3⤵
- Executes dropped EXE
PID:1588

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4272,i,3671441404766730751,12082497324212183132,262144 --variations-seed-version --mojo-platform-channel-handle=1876 /prefetch:8
1⤵
PID:3640

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\Audials Tunebite\audialstunebite.exe
Filesize
2.4MB

MD5
0e3a6bb1924da6354a0bb156b154070b

SHA1
8b9aa8acbb0032e844b7a22723d3b56c3ebcbaf3

SHA256
5e97d5c7262b3937f327ad5d5868908e1c2224951c51ac9cbce175a49bc49f11

SHA512
470364e8d680c4d12f1bd3f66dccea599866756d69aac6020d28b489cadc6e625c23058a5130e4024252f9bbde56019a1875d64f24dd9bb6ca7650e38242546f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-67GE7.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-AEK77.tmp\0871b8405a80cb5c426dca1edf2557f28939eb1b78ab9f19624ec2b3c07a3af8.tmp
Filesize
680KB

MD5
9cd4f8c1e5d8e1e4c8fdc6d1bd5f38f7

SHA1
1e4c40a5a532968887c2b5ce0bf6b4d64f192ed2

SHA256
e0c5cc0a232d6ab642ecb701314227275a33cce2de01312cc9cf565e400e8129

SHA512
24d2c239786909767b7fa1d1170318c2025b323fd52b799eb0f3331e6053fa458908f0cd59d8b8a35a8e08828dfcc4e16ba82cf513f53980a7cfbe5ea751a39b

Download Submit
memory/1544-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1544-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1544-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1588-100-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-86-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-115-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-112-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-108-0x0000000000920000-0x00000000009C2000-memory.dmp

Filesize
648KB

Download
memory/1588-69-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-72-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-75-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-78-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-81-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-84-0x0000000000920000-0x00000000009C2000-memory.dmp

Filesize
648KB

Download
memory/1588-107-0x0000000000920000-0x00000000009C2000-memory.dmp

Filesize
648KB

Download
memory/1588-91-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-94-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-97-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-106-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/1588-103-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2344-61-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2344-59-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2344-64-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2888-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2888-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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