socks5systemz | 797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba

General

Target

797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.exe
Size

4.9MB
MD5

6e375bd5d0918e17ffc73aeb88f5058b
SHA1

621cf2f93a8dd90596df718c64e9f1341c096505
SHA256

797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba
SHA512

84f1bedc7dd2da896ce4e608efa2aa095ac37c39331b5fe1be5698d2ad92da59a6bc15a8fabe2e056b26fa3630444f94d177d6a3fc1ce73de4a06b701e7b1cec
SSDEEP

98304:mrzORvBpyXpRawGjNDzWvXGD5bvKYwAzk4xyTp3L1v7xa/OJnbJO9f:AzkBpyijNnW/G1b5wHr17cGJndif

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dtkcbio.info

http://dtkcbio.info/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff716c9e6949239

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2276-86-0x0000000000910000-0x00000000009B2000-memory.dmp	family_socks5systemz

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

Processes:

797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmpaudialstunebite32.exeaudialstunebite32.exe

pid process

1360 797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp
2160 audialstunebite32.exe
2276 audialstunebite32.exe
Loads dropped DLL 1 IoCs

Processes:

797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp

pid process

1360 797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.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:

797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp

pid process

1360 797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp

pid	process
1360	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp
2160	audialstunebite32.exe
2276	audialstunebite32.exe

pid	process
1360	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
1360	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.exe797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp

description	pid	process	target process
PID 536 wrote to memory of 1360	536	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.exe	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp
PID 536 wrote to memory of 1360	536	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.exe	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp
PID 536 wrote to memory of 1360	536	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.exe	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp
PID 1360 wrote to memory of 2160	1360	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp	audialstunebite32.exe
PID 1360 wrote to memory of 2160	1360	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp	audialstunebite32.exe
PID 1360 wrote to memory of 2160	1360	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp	audialstunebite32.exe
PID 1360 wrote to memory of 2276	1360	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp	audialstunebite32.exe
PID 1360 wrote to memory of 2276	1360	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp	audialstunebite32.exe
PID 1360 wrote to memory of 2276	1360	797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp	audialstunebite32.exe

C:\Users\Admin\AppData\Local\Temp\797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.exe
"C:\Users\Admin\AppData\Local\Temp\797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:536

C:\Users\Admin\AppData\Local\Temp\is-C1EO2.tmp\797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp
"C:\Users\Admin\AppData\Local\Temp\is-C1EO2.tmp\797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp" /SL5="$60178,4842754,54272,C:\Users\Admin\AppData\Local\Temp\797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1360

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -i
3⤵
- Executes dropped EXE
PID:2160

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -s
3⤵
- Executes dropped EXE
PID:2276

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=1408 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:2992

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\Audials Tunebite\audialstunebite32.exe
Filesize
2.4MB

MD5
dc8b29b7232f8d2f8e0c9daa57fed8e4

SHA1
04f8a5d1cf4be718c36d639b9bce3074afb350b9

SHA256
27eee368ec29a087f10d4e4ef7f1b95e619590f05a8901488580f1594caa3378

SHA512
c3218c4712ded204d12718289b9ed07ad266dc95e81fc18362b7aa80d16aded351a8eee949d0326c5a4c2fe46c2984a1efe318a5a5d3fbfdaf960c441cc3180b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-C1EO2.tmp\797f055caab7e124e4505fa0210e80b314e54f9aef8921ec6f061745fc07f9ba.tmp
Filesize
680KB

MD5
66f4568e899ebb18b20a877f017f08fd

SHA1
887fb52becc444c529acf26e71147b840c7ff885

SHA256
8cf70a4ca81a1d9db93d89a13adf2feb2c1da109142ac356d14fa427694178e0

SHA512
2ea355abe2f31a7edb5b8cd96799a2843549ec82991fc64d9d8a13e0faec5849fce5864ef0148540f7246c646fd3c6e369d036450fe6a075afc57bb239410b66

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ED9OU.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/536-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/536-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/536-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1360-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1360-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2160-60-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2160-62-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2160-64-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2160-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-74-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-77-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-80-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-83-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-86-0x0000000000910000-0x00000000009B2000-memory.dmp

Filesize
648KB

Download
memory/2276-88-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-93-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-99-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-102-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-105-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-108-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2276-112-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download

Analysis

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