socks5systemz | dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98

General

Target

dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exe
Size

5.6MB
MD5

450bd2a19af0ddd008b1691b62067938
SHA1

7bec9e214ee7c82a6c464690233abeb1d6bd859b
SHA256

dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98
SHA512

251abc87b8f7c3a4b2360f145213566b2fda19b14e1ded4ab7ee16be357563d692229dc9ded434ce0ebeab6315c2a2efe2d2486c5d138b9b5446241c82645291
SSDEEP

98304:mgqfve2AJ3qG0q3WQWhFRhGRMcwK4vR6omvX/i3mBXEPfeKSiQ1hq3FpetVb5VWd:yvvAVZmzRkecbYcomvjSZQ1hwFKVb529

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

aaykiex.ru

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3088-91-0x0000000000940000-0x00000000009E2000-memory.dmp	family_socks5systemz

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

Processes:

dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmplampungsoundstage.exelampungsoundstage.exe

pid process

852 dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp
872 lampungsoundstage.exe
3088 lampungsoundstage.exe

Loads dropped DLL 3 IoCs

Processes:

dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp

pid	process
852	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp
852	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp
852	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.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 45.155.250.90
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:

dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp

pid process

852 dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	91.211.247.248
Destination IP	45.155.250.90

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exedfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp

description	pid	process	target process
PID 60 wrote to memory of 852	60	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exe	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp
PID 60 wrote to memory of 852	60	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exe	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp
PID 60 wrote to memory of 852	60	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exe	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp
PID 852 wrote to memory of 872	852	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp	lampungsoundstage.exe
PID 852 wrote to memory of 872	852	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp	lampungsoundstage.exe
PID 852 wrote to memory of 872	852	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp	lampungsoundstage.exe
PID 852 wrote to memory of 3088	852	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp	lampungsoundstage.exe
PID 852 wrote to memory of 3088	852	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp	lampungsoundstage.exe
PID 852 wrote to memory of 3088	852	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp	lampungsoundstage.exe

C:\Users\Admin\AppData\Local\Temp\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exe
"C:\Users\Admin\AppData\Local\Temp\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:60

C:\Users\Admin\AppData\Local\Temp\is-A6U11.tmp\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp
"C:\Users\Admin\AppData\Local\Temp\is-A6U11.tmp\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp" /SL5="$B0058,5654933,54272,C:\Users\Admin\AppData\Local\Temp\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:852

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
3⤵
- Executes dropped EXE
PID:872

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
3⤵
- Executes dropped EXE
PID:3088

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
Filesize
3.2MB

MD5
7b72981a1e7381d726d50da78a296cc5

SHA1
aa4d87a34c0b105161be24fdd30b30bcdf04b71e

SHA256
e2c03a0522b8baa92a2ea43e229398a2333aa585d9353bd5d45072268357da39

SHA512
63316e8703b0305e8f606fadd58e8fc19f064b021b6ebd5b727126f06e42cedea460e1abead15fdb75ae2ec3dfc59e967714be2ead0c5ba03313cc8e2757acbe

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-A6U11.tmp\dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp
Filesize
680KB

MD5
a53cd7f9f154eefaf6ff191bb4d65be5

SHA1
f9f4f828e214a3f0b086dd4c96a23c0b45d3b4ff

SHA256
4b70003d8cca9ebf285e0eaa03e24dd7cfd43370452dda6047654cca899dfb35

SHA512
327c5dbb5a3971d578aba98e76ac176a7afe3cb6f6767b6791b67e7a37ed558c0e8d31e20f17721766a3de83896b01681f1564ce55a020c70543359b75f1e88d

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RUFLG.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/60-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/60-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/60-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/852-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/852-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/872-66-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/872-70-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/872-65-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/872-69-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-76-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-93-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-79-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-82-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-85-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-88-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-91-0x0000000000940000-0x00000000009E2000-memory.dmp

Filesize
648KB

Download
memory/3088-73-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-98-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-101-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-104-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-107-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-110-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-113-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-116-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download
memory/3088-119-0x0000000000400000-0x0000000000740000-memory.dmp

Filesize
3.2MB

Download

pid	process
852	dfc906c74d04b9f9cdb78da50502d4802d23eae870e293f3f7e28b6a55295f98.tmp
872	lampungsoundstage.exe
3088	lampungsoundstage.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads