socks5systemz | 115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415

General

Target

115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.exe
Size

4.5MB
MD5

7349b41ae1386ba41cbd2c527a791cc0
SHA1

1bd1be063facd0b8e58c52a84cc1b9c283406f83
SHA256

115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415
SHA512

81ee53b8b321ee68a2f7293bd548aa1285c63aaddf2adfec77a38593e1f4e6a22a5055f7b96cacf5a253ff9a207023862b2e61c6ceb87c85505f17ea4c7b90c8
SSDEEP

98304:mkIVgsXFyGsYKO3ujhvUChaMZY00TL5XXMGFGg/a7:tygsXFyx3ku9cg03ZMOS

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ayeepfj.ru

http://ayeepfj.ru/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ed9c9b3b

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1152-84-0x0000000002150000-0x00000000021F2000-memory.dmp	family_socks5systemz

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

Processes:

115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmpmediaplayerrptuning32.exemediaplayerrptuning32.exe

pid process

8 115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp
348 mediaplayerrptuning32.exe
1152 mediaplayerrptuning32.exe
Loads dropped DLL 1 IoCs

Processes:

115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp

pid process

8 115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.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:

115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp

pid process

8 115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp

pid	process
8	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp
348	mediaplayerrptuning32.exe
1152	mediaplayerrptuning32.exe

pid	process
8	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
8	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.exe115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp

description	pid	process	target process
PID 2280 wrote to memory of 8	2280	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.exe	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp
PID 2280 wrote to memory of 8	2280	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.exe	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp
PID 2280 wrote to memory of 8	2280	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.exe	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp
PID 8 wrote to memory of 348	8	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp	mediaplayerrptuning32.exe
PID 8 wrote to memory of 348	8	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp	mediaplayerrptuning32.exe
PID 8 wrote to memory of 348	8	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp	mediaplayerrptuning32.exe
PID 8 wrote to memory of 1152	8	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp	mediaplayerrptuning32.exe
PID 8 wrote to memory of 1152	8	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp	mediaplayerrptuning32.exe
PID 8 wrote to memory of 1152	8	115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp	mediaplayerrptuning32.exe

C:\Users\Admin\AppData\Local\Temp\115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.exe
"C:\Users\Admin\AppData\Local\Temp\115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2280

C:\Users\Admin\AppData\Local\Temp\is-QPTO5.tmp\115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp
"C:\Users\Admin\AppData\Local\Temp\is-QPTO5.tmp\115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp" /SL5="$300E0,4435208,54272,C:\Users\Admin\AppData\Local\Temp\115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:8

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe" -i
3⤵
- Executes dropped EXE
PID:348

C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe
"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning32.exe" -s
3⤵
- Executes dropped EXE
PID:1152

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\Media Player RPTuning\mediaplayerrptuning32.exe
Filesize
2.3MB

MD5
eef29b649d63ccaa5b4b6110f8e7778d

SHA1
9827c140a889b244b8dd44ca2606853304e7921b

SHA256
7ca9d06027e28e1089a1cf6fc8bb9c0dee43d7251b54452339bb4ab18f8a9cde

SHA512
b13509c2c386bfad461924f6abbaabb693617d682c5581801beb77cbfab99b8cbd6e97ac4bb273656f93e24f6297ff787df7169050db3d4dcef237b8e4a0f51c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QPTO5.tmp\115cd73c234674adbcc04ebe6a5e39c2c2b0af9d8195ae9adc5203a2dbb15415.tmp
Filesize
680KB

MD5
0974ba095ce319c21275c60758122947

SHA1
a459f36fc33297d242af213eda9d326967c9bcd5

SHA256
b1d3bfec6e0fd3effd9f9c661082d9b8bd8b01cc7168b0ec73d2e1df195362a6

SHA512
01bdc7b62f999a2a099277a6caee7e721bb1cb3e9639e955edf412e206ea6de4d7b68cb60c31644869a09c9e28ee02b4b327bf2e3e338dbbe8a2b3537055c7ec

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/8-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/8-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/348-64-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/348-59-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/348-61-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-82-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-92-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-131-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-126-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-70-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-73-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-76-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-79-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-123-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-84-0x0000000002150000-0x00000000021F2000-memory.dmp

Filesize
648KB

Download
memory/1152-87-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-67-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-95-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-98-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-101-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-104-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-108-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-111-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-114-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-117-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1152-120-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/2280-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2280-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2280-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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