socks5systemz | 01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53

General

Target

01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe
Size

5.6MB
MD5

a0e092f6be0b6bd2bd7a474a45111db5
SHA1

ce421c9362f26fd8b27ba6c11f743c4786d41a6f
SHA256

01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53
SHA512

9dec2913ea65fae83e6fa9bfbda379fcb20deb9f374130c054ecf530f3bf396210e03c28dd121c9f9ec5b4e667c7696e5f444428c1cc43a5a7901d0c024b3ba5
SSDEEP

98304:m4xYdXENPGmhebhrVaeS387s0qYJk+xS6qF9APZqg2Ltke0uMge:7YdXksjae/gikeS6qF9jtkvuMv

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

cesofdj.net

http://cesofdj.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff715c5e6919c3b

http://cesofdj.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12eab517aa5c96bd86e890834e96148ab2865b77f80ebad9c20f7cb63037ed2ab423a4314383ba915d911ec07bb606a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1e7919f32c96996

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3900-92-0x0000000000950000-0x00000000009F2000-memory.dmp	family_socks5systemz
behavioral1/memory/3900-115-0x0000000000950000-0x00000000009F2000-memory.dmp	family_socks5systemz
behavioral1/memory/3900-116-0x0000000000950000-0x00000000009F2000-memory.dmp	family_socks5systemz

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

Processes:

01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmpsvomediaplayer32.exesvomediaplayer32.exe

pid process

1604 01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
4616 svomediaplayer32.exe
3900 svomediaplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp

pid	process
1604	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
1604	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
1604	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.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:

01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp

pid process

1604 01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp

description	ioc
Destination IP	141.98.234.31

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp

description	pid	process	target process
PID 2728 wrote to memory of 1604	2728	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
PID 2728 wrote to memory of 1604	2728	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
PID 2728 wrote to memory of 1604	2728	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
PID 1604 wrote to memory of 4616	1604	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp	svomediaplayer32.exe
PID 1604 wrote to memory of 4616	1604	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp	svomediaplayer32.exe
PID 1604 wrote to memory of 4616	1604	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp	svomediaplayer32.exe
PID 1604 wrote to memory of 3900	1604	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp	svomediaplayer32.exe
PID 1604 wrote to memory of 3900	1604	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp	svomediaplayer32.exe
PID 1604 wrote to memory of 3900	1604	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp	svomediaplayer32.exe

C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe
"C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2728

C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
"C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp" /SL5="$11005A,5603966,54272,C:\Users\Admin\AppData\Local\Temp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1604

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i
3⤵
- Executes dropped EXE
PID:4616

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s
3⤵
- Executes dropped EXE
PID:3900

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=4224,i,3833046924978547022,12404847742964713612,262144 --variations-seed-version --mojo-platform-channel-handle=3960 /prefetch:8
1⤵
PID:4636

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

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Downloads

C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
Filesize
3.3MB

MD5
adb55cfd2f2a2e85dc40e7c1d2877f99

SHA1
33d740b6211edcc42714968ea184a1cdfb944962

SHA256
879fd09bcf76067240d49f80925606b17122a1409015f301f31e81fc162d69ab

SHA512
3c0cb619c8b0956c144cecaa634bff9b85ff078bb23a9f9965f1a1ef61213445d4ea4f88ae106b1b715db877009a4bd2f6c6fca8deca6cd59982aebbba85caef

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BARHP.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EHR2I.tmp\01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
Filesize
680KB

MD5
5f513310dfdd2863a7925cf881b08d83

SHA1
e56ca43de148e9113a0143817d610dbff90984c8

SHA256
a1ea89d5df4a9fb1fb89d9c060df3d5e69a61d8ffde360ebd46128f55e95ff01

SHA512
c5e15e04432663c15d73a7ab2ea21f38907fe7667689702bd7914dc4b086484d985ee9d46fc4f4871b6ae48d17464cc296c18a9ac87ab2fc01dca056f07e44dc

Download Submit
memory/1604-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1604-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2728-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2728-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2728-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3900-99-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-94-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-74-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-123-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-120-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-77-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-80-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-83-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-86-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-89-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-92-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/3900-116-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/3900-115-0x0000000000950000-0x00000000009F2000-memory.dmp

Filesize
648KB

Download
memory/3900-102-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-105-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-108-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-111-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/3900-114-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4616-65-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4616-70-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4616-66-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download
memory/4616-71-0x0000000000400000-0x0000000000748000-memory.dmp

Filesize
3.3MB

Download

pid	process
1604	01fb12841635eead36ae5a01bf02e4c6cf90c395517552f4959dc908a3ba7c53.tmp
4616	svomediaplayer32.exe
3900	svomediaplayer32.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads