socks5systemz | 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e

General

Target

4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe
Size

4.5MB
MD5

fedfc3a795e397fa21ecfb690561b094
SHA1

42cebfe49fbd2729e767cb1b2b74eac081d25dbe
SHA256

4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e
SHA512

fdef0c885d74d57073b2b97cbb2ff33240bd93e5cb5b98bb186b3bd4e750794f24dbdf0eda0cc6f831f47d9e654508ca7f84db39d8177b17d0ff8a9eb083be39
SSDEEP

98304:mVJJe9XhW4B5mHmDWJfqJUrXL0wRZwtN1T7UVwp7LlHWpu:YJe9c4DvDkyJUvsTQg75F

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ezoibue.ua

http://ezoibue.ua/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec939a3f

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4776-84-0x0000000000920000-0x00000000009C2000-memory.dmp	family_socks5systemz

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

Processes:

4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmpmediaplayerrptuning.exemediaplayerrptuning.exe

pid process

4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp
1928 mediaplayerrptuning.exe
4776 mediaplayerrptuning.exe
Loads dropped DLL 1 IoCs

Processes:

4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp

pid process

4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.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 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:

4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp

pid process

4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp

pid	process
4176	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp
1928	mediaplayerrptuning.exe
4776	mediaplayerrptuning.exe

pid	process
4176	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
4176	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp

description	pid	process	target process
PID 3508 wrote to memory of 4176	3508	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp
PID 3508 wrote to memory of 4176	3508	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp
PID 3508 wrote to memory of 4176	3508	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp
PID 4176 wrote to memory of 1928	4176	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp	mediaplayerrptuning.exe
PID 4176 wrote to memory of 1928	4176	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp	mediaplayerrptuning.exe
PID 4176 wrote to memory of 1928	4176	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp	mediaplayerrptuning.exe
PID 4176 wrote to memory of 4776	4176	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp	mediaplayerrptuning.exe
PID 4176 wrote to memory of 4776	4176	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp	mediaplayerrptuning.exe
PID 4176 wrote to memory of 4776	4176	4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp	mediaplayerrptuning.exe

C:\Users\Admin\AppData\Local\Temp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe
"C:\Users\Admin\AppData\Local\Temp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3508

C:\Users\Admin\AppData\Local\Temp\is-QHCLR.tmp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-QHCLR.tmp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp" /SL5="$80200,4499822,54272,C:\Users\Admin\AppData\Local\Temp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4176

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -i
3⤵
- Executes dropped EXE
PID:1928

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -s
3⤵
- Executes dropped EXE
PID:4776

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\Media Player RPTuning\mediaplayerrptuning.exe

Filesize
2.5MB

MD5
6e677a42851da1feb2b6d1d0318b9efc

SHA1
11dbaabec1d335c68edb536b086c8261f07a0157

SHA256
25d459e7c8277226e48aee68586702351ee41e532304fc442a18747a8903270e

SHA512
046e3dc82387ce16c98d9711a7ca62f770b2605939593c678539a82b4e4dbd6776649fd9f0127851eb0ee82541cc318126a35f07faf821604fbf474db754058a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QHCLR.tmp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp

Filesize
680KB

MD5
39e1191b303bd79ba64ab21ceca630f0

SHA1
2df0c7a0160c0112bc04d2fe3accb360af33a208

SHA256
6245ecd6d0ec4c5ea091be6f734185f645886c1d8af5fe4b0c0df0661b4ce361

SHA512
6664eb5b77a29641454f3f76cc99c8484f91be29e92127fd37239ccb3bbaa27f6769d7f49301f925b699dd042d199974ed68968fba6c8bd18b0a23031ea08d8a

Download Submit
\Users\Admin\AppData\Local\Temp\is-84519.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1928-59-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1928-61-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/1928-63-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/3508-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3508-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3508-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4176-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4176-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4776-81-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-100-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-72-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-75-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-78-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-66-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-84-0x0000000000920000-0x00000000009C2000-memory.dmp

Filesize
648KB

Download
memory/4776-86-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-91-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-94-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-97-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-69-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-103-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-106-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-110-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-113-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-116-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-119-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-122-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-125-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download
memory/4776-130-0x0000000000400000-0x0000000000685000-memory.dmp

Filesize
2.5MB

Download

Analysis

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