socks5systemz | 101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca

General

Target

101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe
Size

4.8MB
MD5

749325286628ce27401c098690ebc0d7
SHA1

b2d6201c6c10fe35e3064c501ebf0b41334c065d
SHA256

101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca
SHA512

accc0f2186aba4be0df4869617b031ac6969f43958cc3e25343e05bef5aba741c2f9786dc79bceb2bf4a6cb85df5df927b1dfc680c923b88a66333ddafef3ea5
SSDEEP

98304:mqYKWcj3MsaT3u19x3VbfCEf/qe+oiVk/CdoyLwKYGjQ8Y5HJXDYZFZe:XYKWczdTlzCqYgCohKRQRN5QO

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bukzexm.com

http://bukzexm.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff712c2e8949f3b

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2616-85-0x00000000009E0000-0x0000000000A82000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Detects executables packed with VMProtect. 16 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5556-64-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5556-60-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/5556-66-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-71-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-74-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-77-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-80-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-83-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-88-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-93-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-96-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-99-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-102-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-105-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-108-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/2616-112-0x0000000000400000-0x00000000006EF000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

Processes:

101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exe

pid process

4392 101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
5556 moonvoiceassist32_64.exe
2616 moonvoiceassist32_64.exe
Loads dropped DLL 1 IoCs

Processes:

101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp

pid process

4392 101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.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:

101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp

pid process

4392 101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp

pid	process
4392	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
5556	moonvoiceassist32_64.exe
2616	moonvoiceassist32_64.exe

pid	process
4392	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
4392	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp

description	pid	process	target process
PID 2620 wrote to memory of 4392	2620	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 2620 wrote to memory of 4392	2620	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 2620 wrote to memory of 4392	2620	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
PID 4392 wrote to memory of 5556	4392	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp	moonvoiceassist32_64.exe
PID 4392 wrote to memory of 5556	4392	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp	moonvoiceassist32_64.exe
PID 4392 wrote to memory of 5556	4392	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp	moonvoiceassist32_64.exe
PID 4392 wrote to memory of 2616	4392	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp	moonvoiceassist32_64.exe
PID 4392 wrote to memory of 2616	4392	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp	moonvoiceassist32_64.exe
PID 4392 wrote to memory of 2616	4392	101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp	moonvoiceassist32_64.exe

C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe
"C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2620

C:\Users\Admin\AppData\Local\Temp\is-8K9PU.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
"C:\Users\Admin\AppData\Local\Temp\is-8K9PU.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp" /SL5="$90116,4808638,54272,C:\Users\Admin\AppData\Local\Temp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4392

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -i
3⤵
- Executes dropped EXE
PID:5556

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -s
3⤵
- Executes dropped EXE
PID:2616

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=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:2440

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

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Downloads

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
Filesize
2.9MB

MD5
403fcb2628a9d2b8bf04e03f5b27eac7

SHA1
38e0c900bc31289d8c3194fb3b9f458290925e6d

SHA256
45f3121407742bf6c32e7a089a4b918f7850172238dbda30518645dedabbf164

SHA512
f9f1096eedb77386de0d20acd7534f145ce021a0242a0a541caf35317e72c78279a9776ace8fff8c7dcc527ab074a245a5d636c974621f5108426650df5f7da1

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8K9PU.tmp\101d25afe6de26c8f611bf08e1eb08478e03206b3583c48bb20fa035d4d0ffca.tmp
Filesize
680KB

MD5
895d982b558dbe81e0d8d31e818f766e

SHA1
27d9e61b8edaf48db4c519be05f0f4ea33900a7a

SHA256
3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb

SHA512
4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-NN161.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2616-88-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-93-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-112-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-108-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-105-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-102-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-99-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-96-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-85-0x00000000009E0000-0x0000000000A82000-memory.dmp

Filesize
648KB

Download
memory/2616-71-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-74-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-77-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-80-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2616-83-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/2620-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2620-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2620-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4392-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4392-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5556-66-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/5556-60-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/5556-64-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download
memory/5556-59-0x0000000000400000-0x00000000006EF000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads