socks5systemz | 9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18

General

Target

9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.exe
Size

5.6MB
MD5

ad4e29d3a6349092679aedb5f39163a9
SHA1

1d3d053800e77aa6e15a6f8e503f276ee7252a8e
SHA256

9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18
SHA512

f4a2e902aa4009c00a7222d60e3d5a7032c04164d08f8c33560febd314b94b64106ec821983ab0efd0c203d76c57e95ce69079f4a3ba87b5d777b0e6d545bdd6
SSDEEP

98304:m+6dzDe+AdUt5I5TcS7VA4juwnNeXuTtq8M3I/7vYRs/pSgmbPQVtU3W1qmN:T6dzDe+YomT0iNYGM3I/7vYRibm4hN

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ccbjeqt.net

http://ccbjeqt.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff714c2e693933c

http://ccbjeqt.net/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12eab517aa5c96bd86e892874e845a8bbc896c58e713bc90c91f36b5281fc235a925ed3e57d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9f39c4699f11

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4396-95-0x00000000008D0000-0x0000000000972000-memory.dmp	family_socks5systemz
behavioral1/memory/4396-118-0x00000000008D0000-0x0000000000972000-memory.dmp	family_socks5systemz
behavioral1/memory/4396-119-0x00000000008D0000-0x0000000000972000-memory.dmp	family_socks5systemz

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

Processes:

9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmplampungsoundstage.exelampungsoundstage.exe

pid process

3392 9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp
2644 lampungsoundstage.exe
4396 lampungsoundstage.exe

Loads dropped DLL 3 IoCs

Processes:

9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp

pid	process
3392	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp
3392	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp
3392	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.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:

9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp

pid process

3392 9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp

description	ioc
Destination IP	91.211.247.248

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.exe9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp

description	pid	process	target process
PID 2536 wrote to memory of 3392	2536	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.exe	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp
PID 2536 wrote to memory of 3392	2536	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.exe	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp
PID 2536 wrote to memory of 3392	2536	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.exe	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp
PID 3392 wrote to memory of 2644	3392	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp	lampungsoundstage.exe
PID 3392 wrote to memory of 2644	3392	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp	lampungsoundstage.exe
PID 3392 wrote to memory of 2644	3392	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp	lampungsoundstage.exe
PID 3392 wrote to memory of 4396	3392	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp	lampungsoundstage.exe
PID 3392 wrote to memory of 4396	3392	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp	lampungsoundstage.exe
PID 3392 wrote to memory of 4396	3392	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp	lampungsoundstage.exe

C:\Users\Admin\AppData\Local\Temp\9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.exe
"C:\Users\Admin\AppData\Local\Temp\9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2536

C:\Users\Admin\AppData\Local\Temp\is-QIMT2.tmp\9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp
"C:\Users\Admin\AppData\Local\Temp\is-QIMT2.tmp\9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp" /SL5="$901A4,5656912,54272,C:\Users\Admin\AppData\Local\Temp\9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3392

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
3⤵
- Executes dropped EXE
PID:2644

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
3⤵
- Executes dropped EXE
PID:4396

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=1040,i,15316930299780304231,7592852768794498680,262144 --variations-seed-version --mojo-platform-channel-handle=3908 /prefetch:8
1⤵
PID:2600

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\Lampung Soundstage\lampungsoundstage.exe
Filesize
3.2MB

MD5
8dc8d5058ef49299fd4d7f31ebd15dee

SHA1
59e68c482291579de510490b1baa7c4a39184561

SHA256
f62dc0d1532e9c092175d603c8f91b83a5a13c16c3a8910ffe629910ac3963b4

SHA512
5aa768aff8c6b968dc2cd5d5cb0da4b03047817747ef7c8bbe47a977368c04002b0aa2441fa12e07bb48d4f1e83db27a78ec39b4cad53cfd94b8098e363ebe8f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MFRC2.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MFRC2.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-QIMT2.tmp\9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp
Filesize
680KB

MD5
5baf97b8447c7245e308c807eba2b172

SHA1
628c759120b7595bb697c14dd265f7f4616c8e72

SHA256
ef10ffb51e1be8ba1b160ebdfee12c968b3f98f71310bdcb003dd117f4b2a124

SHA512
dc38d1a5ae1e8b6f3779aea908a55a1853ecf7b6a632f11c50d9abc48aafa60e90182eb5a280d3ba94430d2ce5f02624b4c2000bd636da34643f25c95772e47d

Download Submit
memory/2536-76-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2536-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2536-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2644-71-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2644-66-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2644-65-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2644-70-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3392-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3392-77-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4396-81-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-95-0x00000000008D0000-0x0000000000972000-memory.dmp

Filesize
648KB

Download
memory/4396-78-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-73-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-82-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-85-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-88-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-91-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-96-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-75-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-102-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-105-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-108-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-111-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-114-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-117-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-118-0x00000000008D0000-0x0000000000972000-memory.dmp

Filesize
648KB

Download
memory/4396-119-0x00000000008D0000-0x0000000000972000-memory.dmp

Filesize
648KB

Download
memory/4396-123-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4396-126-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download

pid	process
3392	9dbddf7d5fe8baf2e8df83857af48184939cd82785746405ea4c882e3a274c18.tmp
2644	lampungsoundstage.exe
4396	lampungsoundstage.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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