socks5systemz | 9232fd1e7662b3c2ef8bce1e720c6c5ea44606001fd78a59cae59079b3d1c074

General

Target

9b9c3e3dbe3ee53a57bfab070ee6be8e.exe
Size

5.6MB
MD5

9b9c3e3dbe3ee53a57bfab070ee6be8e
SHA1

f30398404ebbb663d796b7415e6fc0fcbac7e458
SHA256

9232fd1e7662b3c2ef8bce1e720c6c5ea44606001fd78a59cae59079b3d1c074
SHA512

7e407018e7ce1f7cd22718a2c6b0206e7c8eac4191c79ee93e656612a15ad72c601ef8a1afd4ee97d705c90a55d6fa1af15bd0bd23b5be57011033210c057c7a
SSDEEP

98304:m5SAIcSCM0Ii7L2DiFMaPn4AiJ6Ys7nyZKYar65/Ihfbz7Z/7MJNDm22O6gr:Vrc1M0IELxe6XFY+WWnaNDv2O9

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bbmuebm.com

http://bbmuebm.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff714c4eb909a39

http://bbmuebm.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12eab517aa5c96bd86ef93834e865a8bbc896c58e713bc90c91936b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9f3fc96a9614

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1820-91-0x0000000000A20000-0x0000000000AC2000-memory.dmp	family_socks5systemz
behavioral2/memory/1820-115-0x0000000000A20000-0x0000000000AC2000-memory.dmp	family_socks5systemz
behavioral2/memory/1820-116-0x0000000000A20000-0x0000000000AC2000-memory.dmp	family_socks5systemz

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

Processes:

9b9c3e3dbe3ee53a57bfab070ee6be8e.tmpsvomediaplayer32.exesvomediaplayer32.exe

pid process

5048 9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp
2380 svomediaplayer32.exe
1820 svomediaplayer32.exe
Loads dropped DLL 3 IoCs

Processes:

9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp

pid process

5048 9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp
5048 9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp
5048 9b9c3e3dbe3ee53a57bfab070ee6be8e.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 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:

9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp

pid process

5048 9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp

pid	process
5048	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp
2380	svomediaplayer32.exe
1820	svomediaplayer32.exe

pid	process
5048	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp
5048	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp
5048	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
5048	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9b9c3e3dbe3ee53a57bfab070ee6be8e.exe9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp

description	pid	process	target process
PID 4888 wrote to memory of 5048	4888	9b9c3e3dbe3ee53a57bfab070ee6be8e.exe	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp
PID 4888 wrote to memory of 5048	4888	9b9c3e3dbe3ee53a57bfab070ee6be8e.exe	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp
PID 4888 wrote to memory of 5048	4888	9b9c3e3dbe3ee53a57bfab070ee6be8e.exe	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp
PID 5048 wrote to memory of 2380	5048	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp	svomediaplayer32.exe
PID 5048 wrote to memory of 2380	5048	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp	svomediaplayer32.exe
PID 5048 wrote to memory of 2380	5048	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp	svomediaplayer32.exe
PID 5048 wrote to memory of 1820	5048	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp	svomediaplayer32.exe
PID 5048 wrote to memory of 1820	5048	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp	svomediaplayer32.exe
PID 5048 wrote to memory of 1820	5048	9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp	svomediaplayer32.exe

C:\Users\Admin\AppData\Local\Temp\9b9c3e3dbe3ee53a57bfab070ee6be8e.exe
"C:\Users\Admin\AppData\Local\Temp\9b9c3e3dbe3ee53a57bfab070ee6be8e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4888

C:\Users\Admin\AppData\Local\Temp\is-I2BCB.tmp\9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-I2BCB.tmp\9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp" /SL5="$15011E,5623997,54272,C:\Users\Admin\AppData\Local\Temp\9b9c3e3dbe3ee53a57bfab070ee6be8e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5048

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:2380

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:1820

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 --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:1964

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\SVO Media Player\svomediaplayer32.exe
Filesize
3.3MB

MD5
87255ff0cb698252379273a761034cf3

SHA1
b9024fc55894075700ab5a487e0024d00452cdf0

SHA256
6eba68dc8091c7e04f26db460e7c9ac4f23ae988eac648ded3dc051d9f94954d

SHA512
e2df61c82851b812de19f78a055141d3f08662409a2ea0b1cc6ca7b1f5b80fda29465d820e5b90c2c8ba64c6ed4f1ba890d721429ab90e3da49b5072bedcafde

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-53M1C.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-53M1C.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-I2BCB.tmp\9b9c3e3dbe3ee53a57bfab070ee6be8e.tmp
Filesize
680KB

MD5
4468da54a8b07613269ca5537be5e235

SHA1
9aded70f0853385c5561fa275a77508edae15111

SHA256
0177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153

SHA512
3b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313

Download Submit
memory/1820-98-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-85-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-123-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-119-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-116-0x0000000000A20000-0x0000000000AC2000-memory.dmp

Filesize
648KB

Download
memory/1820-115-0x0000000000A20000-0x0000000000AC2000-memory.dmp

Filesize
648KB

Download
memory/1820-113-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-73-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-110-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-108-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-76-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-80-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-82-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-104-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-88-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-91-0x0000000000A20000-0x0000000000AC2000-memory.dmp

Filesize
648KB

Download
memory/1820-94-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/1820-101-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2380-70-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2380-69-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2380-66-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/2380-65-0x0000000000400000-0x0000000000747000-memory.dmp

Filesize
3.3MB

Download
memory/4888-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4888-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4888-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/5048-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5048-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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