socks5systemz | 1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14

General

Target

1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.exe
Size

4.4MB
MD5

dc55c57166f0613847c14640226250cc
SHA1

4e091ba1e1f40f961903202505c4305401bdddff
SHA256

1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14
SHA512

ed16a7ff70f23a6feab718600e794454c7b67d7b014e34dc712a1292ffad8add287c1518ee6e4377ca8b39cc570ff201e1360a26a1288da80908171533efebd3
SSDEEP

98304:mRLAtKF0mSdwDOWjSltR4/xjCCsykdblSnn:MkoVDU4/xjCJykplSn

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

erdgppb.ua

http://erdgppb.ua/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c7ea939a3b

http://erdgppb.ua/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12eab517aa5c96bd86ec94874a855a8bbc896c58e713bc90c91b36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9d3cc8699616

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2424-84-0x0000000000A80000-0x0000000000B22000-memory.dmp	family_socks5systemz
behavioral2/memory/2424-111-0x0000000000A80000-0x0000000000B22000-memory.dmp	family_socks5systemz
behavioral2/memory/2424-110-0x0000000000A80000-0x0000000000B22000-memory.dmp	family_socks5systemz

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

Processes:

1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmpaudialstunebite.exeaudialstunebite.exe

pid process

2640 1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp
4176 audialstunebite.exe
2424 audialstunebite.exe
Loads dropped DLL 1 IoCs

Processes:

1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp

pid process

2640 1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.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 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:

1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp

pid process

2640 1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp

pid	process
2640	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp
4176	audialstunebite.exe
2424	audialstunebite.exe

pid	process
2640	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
2640	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.exe1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp

description	pid	process	target process
PID 4844 wrote to memory of 2640	4844	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.exe	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp
PID 4844 wrote to memory of 2640	4844	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.exe	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp
PID 4844 wrote to memory of 2640	4844	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.exe	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp
PID 2640 wrote to memory of 4176	2640	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp	audialstunebite.exe
PID 2640 wrote to memory of 4176	2640	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp	audialstunebite.exe
PID 2640 wrote to memory of 4176	2640	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp	audialstunebite.exe
PID 2640 wrote to memory of 2424	2640	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp	audialstunebite.exe
PID 2640 wrote to memory of 2424	2640	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp	audialstunebite.exe
PID 2640 wrote to memory of 2424	2640	1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp	audialstunebite.exe

C:\Users\Admin\AppData\Local\Temp\1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.exe
"C:\Users\Admin\AppData\Local\Temp\1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4844

C:\Users\Admin\AppData\Local\Temp\is-JTII8.tmp\1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp
"C:\Users\Admin\AppData\Local\Temp\is-JTII8.tmp\1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp" /SL5="$40242,4403516,54272,C:\Users\Admin\AppData\Local\Temp\1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2640

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -i
3⤵
- Executes dropped EXE
PID:4176

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite.exe" -s
3⤵
- Executes dropped EXE
PID:2424

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
158134ec45cf33d1a4b6b737d6774139

SHA1
d0730b2dde5f3e4217e87e5f11dcda7c0e23bc7b

SHA256
a48815115879e7c391dd8027f092232a74cd8e48b133feb4784263cbe90e5386

SHA512
eb499b485e4ef02aba2e25de69b73205f7fadea9dd40178231db755c8901147a26f5bbea39fa92a469a7024ffa5223d06c3b2420e5513032f50b7596341ed094

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IA2PS.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-JTII8.tmp\1fe9a72dc5a179ee16972e56e6dc6ee3fc8d2891a7171329e964f7f10b012b14.tmp
Filesize
680KB

MD5
9cd4f8c1e5d8e1e4c8fdc6d1bd5f38f7

SHA1
1e4c40a5a532968887c2b5ce0bf6b4d64f192ed2

SHA256
e0c5cc0a232d6ab642ecb701314227275a33cce2de01312cc9cf565e400e8129

SHA512
24d2c239786909767b7fa1d1170318c2025b323fd52b799eb0f3331e6053fa458908f0cd59d8b8a35a8e08828dfcc4e16ba82cf513f53980a7cfbe5ea751a39b

Download Submit
memory/2424-97-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-100-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-118-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-115-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-110-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/2424-111-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/2424-67-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-109-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-106-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-70-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-73-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-74-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-77-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-80-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-83-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-84-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/2424-89-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-94-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2424-103-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/2640-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2640-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4176-64-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/4176-61-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/4176-59-0x0000000000400000-0x0000000000669000-memory.dmp

Filesize
2.4MB

Download
memory/4844-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4844-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4844-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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