socks5systemz | 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10

General

Target

3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe
Size

4.6MB
MD5

b0fb37c560d85194ede37559042f61ac
SHA1

f2b61ff2da1b2af0074ccb7224360d70744cf012
SHA256

3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10
SHA512

de7353add5f2e00f882e772a8b60c435c4960b36a011811ec02c99600d4f114e660eadb3f302ae968d5b73c7149a7ff55d2ed4e3435c5f1bb8da46f7a54c9289
SSDEEP

98304:m5RjD3U829FZNhWzHgnI6thxLxvkltoV0H46S5gsR8rR:CRjDI9FZNEzAnt+g6uriR

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aidvkkx.ru

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3248-86-0x0000000000A40000-0x0000000000AE2000-memory.dmp	family_socks5systemz

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

Processes:

3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

228 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp
1992 playercloudfree32.exe
3248 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp

pid process

228 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.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 91.211.247.248
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:

3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp

pid process

228 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp

pid	process
228	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp
1992	playercloudfree32.exe
3248	playercloudfree32.exe

pid	process
228	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	152.89.198.214

pid	process
228	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp

description	pid	process	target process
PID 2176 wrote to memory of 228	2176	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp
PID 2176 wrote to memory of 228	2176	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp
PID 2176 wrote to memory of 228	2176	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp
PID 228 wrote to memory of 1992	228	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp	playercloudfree32.exe
PID 228 wrote to memory of 1992	228	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp	playercloudfree32.exe
PID 228 wrote to memory of 1992	228	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp	playercloudfree32.exe
PID 228 wrote to memory of 3248	228	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp	playercloudfree32.exe
PID 228 wrote to memory of 3248	228	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp	playercloudfree32.exe
PID 228 wrote to memory of 3248	228	3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe
"C:\Users\Admin\AppData\Local\Temp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2176

C:\Users\Admin\AppData\Local\Temp\is-7MA9K.tmp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp
"C:\Users\Admin\AppData\Local\Temp\is-7MA9K.tmp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp" /SL5="$601D0,4589196,54272,C:\Users\Admin\AppData\Local\Temp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:228

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -i
3⤵
- Executes dropped EXE
PID:1992

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -s
3⤵
- Executes dropped EXE
PID:3248

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

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Downloads

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
Filesize
2.8MB

MD5
674742a802946d903c09b5ae52fed3a6

SHA1
6c35ecbba1d6f0af602d24859baafb727ed9cd1c

SHA256
1e334417c03f8138ee0bce77ac48cf1b7463c8990e6e1cd935cf37386a903fbb

SHA512
8c651f964bfb295108ac41aa6bf54f87b34620bd7438cf794696e09a3d684d709c92ce50171529715275d8211639aa099854e55952b883db168a2dab23565253

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-7MA9K.tmp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-JD2CI.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/228-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/228-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1992-59-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/1992-61-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/1992-63-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/1992-65-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/2176-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2176-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2176-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3248-74-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-88-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-67-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-77-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-80-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-83-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-86-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/3248-71-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-93-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-96-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-99-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-102-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-105-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-108-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-111-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download
memory/3248-114-0x0000000000400000-0x00000000006CD000-memory.dmp

Filesize
2.8MB

Download

Analysis

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