socks5systemz | ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf

General

Target

ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.exe
Size

5.6MB
MD5

04b69a16cdb8b9845b9068a64969918c
SHA1

41d3b550cb8020dcfc8532f04d41f5366cdaf3b7
SHA256

ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf
SHA512

fb3f22e4f01b47021b82076d14070c5465fc0e90cf6fd9301382c0a35affca9a961ca00c49299800db662c7bd844123bc39556b6e68044e16f0937b21fbb2ca8
SSDEEP

98304:ml5uTkgRARNV8Sxt5+MJyHFzcIQkWfCyKF18ergTHfhI4TECQDkj27:E5uTQT84TSZw0lu/iaEC6k67

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ccrocqb.net

http://ccrocqb.net/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ee959832

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4680-91-0x0000000002420000-0x00000000024C2000-memory.dmp	family_socks5systemz

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

Processes:

ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmplampungsoundstage.exelampungsoundstage.exe

pid process

2308 ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp
1924 lampungsoundstage.exe
4680 lampungsoundstage.exe

Loads dropped DLL 3 IoCs

Processes:

ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp

pid	process
2308	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp
2308	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp
2308	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.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:

ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp

pid process

2308 ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp

description	ioc
Destination IP	141.98.234.31

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.exeab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp

description	pid	process	target process
PID 4716 wrote to memory of 2308	4716	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.exe	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp
PID 4716 wrote to memory of 2308	4716	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.exe	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp
PID 4716 wrote to memory of 2308	4716	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.exe	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp
PID 2308 wrote to memory of 1924	2308	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp	lampungsoundstage.exe
PID 2308 wrote to memory of 1924	2308	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp	lampungsoundstage.exe
PID 2308 wrote to memory of 1924	2308	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp	lampungsoundstage.exe
PID 2308 wrote to memory of 4680	2308	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp	lampungsoundstage.exe
PID 2308 wrote to memory of 4680	2308	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp	lampungsoundstage.exe
PID 2308 wrote to memory of 4680	2308	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp	lampungsoundstage.exe

C:\Users\Admin\AppData\Local\Temp\ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.exe
"C:\Users\Admin\AppData\Local\Temp\ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4716

C:\Users\Admin\AppData\Local\Temp\is-VPG45.tmp\ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp
"C:\Users\Admin\AppData\Local\Temp\is-VPG45.tmp\ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp" /SL5="$70204,5664025,54272,C:\Users\Admin\AppData\Local\Temp\ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2308

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
3⤵
- Executes dropped EXE
PID:1924

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
3⤵
- Executes dropped EXE
PID:4680

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
bfc2c6f91c5001609330b5e93e942e5c

SHA1
3a594b3710388f0fdb8cd5b743543fdab36451e8

SHA256
449a00b7c25b701881afd8796bd8317343531545222a2e26fd82fc74a9d717fe

SHA512
32d3d8cb0f44ce16207e3006e0a387124f5ee4a2e619c7ba7464eeaee0161012d933fc1b9efc43f97872cdc2de213a13d1de4627314e079b2255683b16a03899

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-VPG45.tmp\ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp
Filesize
680KB

MD5
a53cd7f9f154eefaf6ff191bb4d65be5

SHA1
f9f4f828e214a3f0b086dd4c96a23c0b45d3b4ff

SHA256
4b70003d8cca9ebf285e0eaa03e24dd7cfd43370452dda6047654cca899dfb35

SHA512
327c5dbb5a3971d578aba98e76ac176a7afe3cb6f6767b6791b67e7a37ed558c0e8d31e20f17721766a3de83896b01681f1564ce55a020c70543359b75f1e88d

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/1924-65-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/1924-66-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/1924-69-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/2308-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2308-78-0x00007FFA58E60000-0x00007FFA5903B000-memory.dmp

Filesize
1.9MB

Download
memory/2308-22-0x00007FFA58E60000-0x00007FFA5903B000-memory.dmp

Filesize
1.9MB

Download
memory/4680-82-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-113-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-72-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-75-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-137-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-79-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-132-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-85-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-88-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-91-0x0000000002420000-0x00000000024C2000-memory.dmp

Filesize
648KB

Download
memory/4680-93-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-98-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-101-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-104-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-107-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-110-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-129-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-117-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-120-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-123-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4680-126-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4716-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4716-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4716-3-0x00007FFA58E60000-0x00007FFA5903B000-memory.dmp

Filesize
1.9MB

Download

pid	process
2308	ab3a6046cfccd3ffe100fab8fe698ed088aa22d040b90b1fb333185c11d25dcf.tmp
1924	lampungsoundstage.exe
4680	lampungsoundstage.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads