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

boedbso.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3800-84-0x0000000002890000-0x0000000002932000-memory.dmp	family_socks5systemz

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

Processes:

4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exe

pid process

4088 4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
3740 moonvoiceassist32_64.exe
3800 moonvoiceassist32_64.exe
Loads dropped DLL 1 IoCs

Processes:

4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp

pid process

4088 4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
Unexpected DNS network traffic destination 3 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
Destination IP 91.211.247.248
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

4088 4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp

pid	process
4088	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
3740	moonvoiceassist32_64.exe
3800	moonvoiceassist32_64.exe

pid	process
4088	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	141.98.234.31

pid	process
4088	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp

description	pid	process	target process
PID 5100 wrote to memory of 4088	5100	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
PID 5100 wrote to memory of 4088	5100	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
PID 5100 wrote to memory of 4088	5100	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
PID 4088 wrote to memory of 3740	4088	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp	moonvoiceassist32_64.exe
PID 4088 wrote to memory of 3740	4088	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp	moonvoiceassist32_64.exe
PID 4088 wrote to memory of 3740	4088	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp	moonvoiceassist32_64.exe
PID 4088 wrote to memory of 3800	4088	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp	moonvoiceassist32_64.exe
PID 4088 wrote to memory of 3800	4088	4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp	moonvoiceassist32_64.exe
PID 4088 wrote to memory of 3800	4088	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:5100

C:\Users\Admin\AppData\Local\Temp\is-S8JEH.tmp\4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
"C:\Users\Admin\AppData\Local\Temp\is-S8JEH.tmp\4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp" /SL5="$40214,4959517,54272,C:\Users\Admin\AppData\Local\Temp\4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4088

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:3740

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:3800

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-OTBLN.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-S8JEH.tmp\4a3deabf92835badcad378bb652b9b983d37146b8c283f2114ae2de92902d515.tmp
Filesize
680KB

MD5
895d982b558dbe81e0d8d31e818f766e

SHA1
27d9e61b8edaf48db4c519be05f0f4ea33900a7a

SHA256
3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb

SHA512
4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

Download Submit
memory/3740-60-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3740-63-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3740-65-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3740-59-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-74-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-89-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-115-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-68-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-112-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-109-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-71-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-106-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-77-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-80-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-83-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-103-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-84-0x0000000002890000-0x0000000002932000-memory.dmp

Filesize
648KB

Download
memory/3800-94-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-97-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3800-100-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/4088-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4088-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5100-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5100-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5100-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

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