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

ejimlvg.ua

http://ejimlvg.ua/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c1e7929d3c

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2232-84-0x0000000002920000-0x00000000029C2000-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

4100 3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
4512 moonvoiceassist.exe
2232 moonvoiceassist.exe
Loads dropped DLL 1 IoCs

Processes:

3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

pid process

4100 3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.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:

3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

pid process

4100 3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

pid	process
4100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
4512	moonvoiceassist.exe
2232	moonvoiceassist.exe

pid	process
4100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
4100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp

description	pid	process	target process
PID 2100 wrote to memory of 4100	2100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
PID 2100 wrote to memory of 4100	2100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
PID 2100 wrote to memory of 4100	2100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
PID 4100 wrote to memory of 4512	4100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 4100 wrote to memory of 4512	4100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 4100 wrote to memory of 4512	4100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 4100 wrote to memory of 2232	4100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 4100 wrote to memory of 2232	4100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe
PID 4100 wrote to memory of 2232	4100	3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp	moonvoiceassist.exe

C:\Users\Admin\AppData\Local\Temp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe
"C:\Users\Admin\AppData\Local\Temp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2100

C:\Users\Admin\AppData\Local\Temp\is-O65G6.tmp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
"C:\Users\Admin\AppData\Local\Temp\is-O65G6.tmp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp" /SL5="$50208,4856352,54272,C:\Users\Admin\AppData\Local\Temp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4100

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:4512

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:2232

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

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

MD5
bb85de7cbcc41b3817a138fec8eb9420

SHA1
6048ff490d1defdd1addbc200368ba74be2f6e64

SHA256
a95b08dc80e955b13c5297b984591eaa3505d655df404aa5cc747b752a70c8d8

SHA512
8d8c206900b389e08adcf3270ac7bc67660ced7e2b512e756dfd11c6f0580be68b06fd298e2f6f1f4e0f0bd77c0d10b665ce08efbc76812475b006477f5c89fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-O65G6.tmp\3cbf8ef6c6e75fa261a137a04733273e6fb87199df410b4db1dc70a84c471099.tmp
Filesize
680KB

MD5
bb765f2ae7f9da76f9edef8dde07f1cf

SHA1
ba5af8f092247d9a81d9d50d5390bbe5a280501a

SHA256
65b94a7e8d0e19c89c871b49457934d80365d9a9c2ff781509a1cb68421da552

SHA512
a6d7f16c4bb1e6dde9e221ae343a2e46de39b314f56bb9877574b29d14becd209f131a5b649faa97aa847c252fe379b96a71791bdd1f102e054fafb7a8e0b0aa

Download Submit
\Users\Admin\AppData\Local\Temp\is-4T1RD.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2100-67-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2100-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2100-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2232-106-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-91-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-128-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-65-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-125-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-122-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-69-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-72-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-75-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-78-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-81-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-84-0x0000000002920000-0x00000000029C2000-memory.dmp

Filesize
648KB

Download
memory/2232-86-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-119-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-94-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-97-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-100-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-103-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-116-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-109-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/2232-112-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/4100-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4100-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4512-60-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/4512-59-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download
memory/4512-63-0x0000000000400000-0x000000000073F000-memory.dmp

Filesize
3.2MB

Download

Analysis

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