socks5systemz | 3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099

General

Target

3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe
Size

4.9MB
MD5

32285188941cbe9e09752e7797465d61
SHA1

0a07ee3706d0fa2dd4db3cc50c165b5afbb88d3c
SHA256

3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099
SHA512

95289986e7a2ce6adb8fdb33974c5c401ccd94880af60bb725482daf253e39dc53d267d2210789e213d2dd8369ead220c85b9387bd100e0d6c0b8059ee3a9147
SSDEEP

98304:mfKH4L8uJ9HA6k6cCAhuBKCuNYqF4MqSmOIfpEZ1DS4YR/MxFWvLqCuPRjmIy:0QuJ9g6k6DJkXFfbUhik4w/kw0lg

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bxiretv.com

http://bxiretv.com/search/?q=67e28dd86f5ff42d4509ac187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfe19c7e694

ggzijis.com

http://ggzijis.com/search/?q=67e28dd86f5ff42d4509ac187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfe19c7e694

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2556-93-0x0000000002310000-0x00000000023B2000-memory.dmp	family_socks5systemz

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

Processes:

3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmpmoonvoiceassist.exemoonvoiceassist.exe

pid process

2772 3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
2672 moonvoiceassist.exe
2556 moonvoiceassist.exe

pid	process
2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
2672	moonvoiceassist.exe
2556	moonvoiceassist.exe

Loads dropped DLL 5 IoCs

Processes:

3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

pid	process
2448	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe
2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

Unexpected DNS network traffic destination 2 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
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:

3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

pid process

2772 3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

description	ioc
Destination IP	141.98.234.31
Destination IP	152.89.198.214

pid	process
2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

description	pid	process	target process
PID 2448 wrote to memory of 2772	2448	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
PID 2448 wrote to memory of 2772	2448	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
PID 2448 wrote to memory of 2772	2448	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
PID 2448 wrote to memory of 2772	2448	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
PID 2448 wrote to memory of 2772	2448	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
PID 2448 wrote to memory of 2772	2448	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
PID 2448 wrote to memory of 2772	2448	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
PID 2772 wrote to memory of 2672	2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 2772 wrote to memory of 2672	2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 2772 wrote to memory of 2672	2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 2772 wrote to memory of 2672	2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 2772 wrote to memory of 2556	2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 2772 wrote to memory of 2556	2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 2772 wrote to memory of 2556	2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 2772 wrote to memory of 2556	2772	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe

C:\Users\Admin\AppData\Local\Temp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe
"C:\Users\Admin\AppData\Local\Temp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2448

C:\Users\Admin\AppData\Local\Temp\is-LUPGN.tmp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
"C:\Users\Admin\AppData\Local\Temp\is-LUPGN.tmp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp" /SL5="$5014A,4856352,54272,C:\Users\Admin\AppData\Local\Temp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2772

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe" -i
3⤵
- Executes dropped EXE
PID:2672

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe" -s
3⤵
- Executes dropped EXE
PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe
Filesize
3.2MB

MD5
bb85de7cbcc41b3817a138fec8eb9420

SHA1
6048ff490d1defdd1addbc200368ba74be2f6e64

SHA256
a95b08dc80e955b13c5297b984591eaa3505d655df404aa5cc747b752a70c8d8

SHA512
8d8c206900b389e08adcf3270ac7bc67660ced7e2b512e756dfd11c6f0580be68b06fd298e2f6f1f4e0f0bd77c0d10b665ce08efbc76812475b006477f5c89fe

Download Submit
\Users\Admin\AppData\Local\Temp\is-46R4A.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-46R4A.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-LUPGN.tmp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
Filesize
680KB

MD5
bb765f2ae7f9da76f9edef8dde07f1cf

SHA1
ba5af8f092247d9a81d9d50d5390bbe5a280501a

SHA256
65b94a7e8d0e19c89c871b49457934d80365d9a9c2ff781509a1cb68421da552

SHA512
a6d7f16c4bb1e6dde9e221ae343a2e46de39b314f56bb9877574b29d14becd209f131a5b649faa97aa847c252fe379b96a71791bdd1f102e054fafb7a8e0b0aa

Download Submit
memory/2448-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2448-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2448-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2556-106-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-93-0x0000000002310000-0x00000000023B2000-memory.dmp

Filesize
648KB

Download
memory/2556-134-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-131-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-71-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-127-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-124-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-75-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-78-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-81-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-84-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-87-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-90-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-121-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-97-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-100-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-103-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-118-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-109-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-112-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2556-115-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2672-65-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2672-69-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2672-66-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2772-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2772-64-0x0000000003B30000-0x0000000003E6F000-memory.dmp

Filesize
3.2MB

Download
memory/2772-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads