socks5systemz | 4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515

General

Target

4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe
Size

5.0MB
MD5

00b091394d0bf8b043fa79819e41959e
SHA1

873b2812cc96d7fa5f224c21155c5f91932235d6
SHA256

4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515
SHA512

085070dd0d62fccd1a53263ae3203bb1df7ce364d8c84cd3676d7b7a5b0add2f9aaf804093cad897314ffea3f45d750f6dac99319c1538182763f007b6997ad1
SSDEEP

98304:mUvgXuyRcP2qUqnvAstqBolcm1TT9ug2z844Lc9o760ZpyvcS9zWTt8boj7zUyLm:pAuuejlcMhu0LZ79EZ5g8MjUj

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bwnrukh.com

http://bwnrukh.com/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1fe8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff712c2e8929d3c

http://bwnrukh.com/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12eab517aa5c96bd86ef928044845a8bbc896c58e713bc90c94a36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9939ca689111

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/696-85-0x0000000000B30000-0x0000000000BD2000-memory.dmp	family_socks5systemz
behavioral2/memory/696-108-0x0000000000B30000-0x0000000000BD2000-memory.dmp	family_socks5systemz
behavioral2/memory/696-109-0x0000000000B30000-0x0000000000BD2000-memory.dmp	family_socks5systemz

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

Detects executables packed with VMProtect. 17 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4960-60-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/4960-63-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/4960-65-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-70-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-73-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-76-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-79-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-82-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-87-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-92-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-95-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-98-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-101-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-104-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-107-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-113-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/696-116-0x0000000000400000-0x000000000071B000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

Processes:

4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exe

pid process

3576 4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
4960 moonvoiceassist32_64.exe
696 moonvoiceassist32_64.exe
Loads dropped DLL 1 IoCs

Processes:

4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp

pid process

3576 4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.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:

4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp

pid process

3576 4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp

pid	process
3576	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
4960	moonvoiceassist32_64.exe
696	moonvoiceassist32_64.exe

pid	process
3576	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
3576	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp

description	pid	process	target process
PID 3228 wrote to memory of 3576	3228	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
PID 3228 wrote to memory of 3576	3228	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
PID 3228 wrote to memory of 3576	3228	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
PID 3576 wrote to memory of 4960	3576	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp	moonvoiceassist32_64.exe
PID 3576 wrote to memory of 4960	3576	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp	moonvoiceassist32_64.exe
PID 3576 wrote to memory of 4960	3576	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp	moonvoiceassist32_64.exe
PID 3576 wrote to memory of 696	3576	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp	moonvoiceassist32_64.exe
PID 3576 wrote to memory of 696	3576	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp	moonvoiceassist32_64.exe
PID 3576 wrote to memory of 696	3576	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp	moonvoiceassist32_64.exe

C:\Users\Admin\AppData\Local\Temp\4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe
"C:\Users\Admin\AppData\Local\Temp\4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3228

C:\Users\Admin\AppData\Local\Temp\is-A294L.tmp\4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
"C:\Users\Admin\AppData\Local\Temp\is-A294L.tmp\4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp" /SL5="$401E8,4959517,54272,C:\Users\Admin\AppData\Local\Temp\4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3576

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:4960

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:696

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
3.1MB

MD5
6e254118bd5ac881a5d8fac0ffcf2d6a

SHA1
c157041245b2c3db7935ddbfc1e87ec3b0a4908f

SHA256
4abdf5712cf7bc67753e27b76e26d121261574ff254d2477a12b30f358d87a86

SHA512
c5d11d46113ec596813eb79d1b89f8c28e2edc7a1f69d8897f1cd6a9dd1a9132dcd0b4dd3dc34b1a345fceb43a375f6fc341f23517f660e63a85e16c6e309e7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-A294L.tmp\4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
Filesize
680KB

MD5
895d982b558dbe81e0d8d31e818f766e

SHA1
27d9e61b8edaf48db4c519be05f0f4ea33900a7a

SHA256
3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb

SHA512
4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-LT9FL.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/696-98-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-101-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-116-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-113-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-109-0x0000000000B30000-0x0000000000BD2000-memory.dmp

Filesize
648KB

Download
memory/696-108-0x0000000000B30000-0x0000000000BD2000-memory.dmp

Filesize
648KB

Download
memory/696-107-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-104-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-95-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-70-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-73-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-76-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-79-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-82-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-85-0x0000000000B30000-0x0000000000BD2000-memory.dmp

Filesize
648KB

Download
memory/696-87-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/696-92-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3228-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3228-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3228-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3576-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3576-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4960-65-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/4960-63-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/4960-60-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/4960-59-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads