socks5systemz | c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d

General

Target

c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe
Size

5.6MB
MD5

7396d6836ab9525b6d00b9b55c43786a
SHA1

eb11aafc8e92e71c8385d9730856bf85014811d2
SHA256

c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d
SHA512

9d89be36679bdba69659b3447c70b7f17c2a4f704c72668b2b88969a6ddbe40ba49678f4a844fd139575f9d06ad1753135b980629143ed771e2920737c2a1107
SSDEEP

98304:msphGeMVhaF1ef0YM47yAsTGJiJMxP4CIab+Xq2pcInf4tE75bkxekZSL3FOXLlb:3oVhYM0N419b+XrNf4+75buekZSLqJb

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

buhmiti.com

http://buhmiti.com/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff717c0ee949a38

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3068-88-0x0000000000A40000-0x0000000000AE2000-memory.dmp	family_socks5systemz

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

Processes:

c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmplampungsoundstage.exelampungsoundstage.exe

pid process

3088 c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
4796 lampungsoundstage.exe
3068 lampungsoundstage.exe

Loads dropped DLL 3 IoCs

Processes:

c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp

pid	process
3088	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
3088	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
3088	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.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:

c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp

pid process

3088 c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp

description	ioc
Destination IP	141.98.234.31

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exec617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp

description	pid	process	target process
PID 2804 wrote to memory of 3088	2804	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
PID 2804 wrote to memory of 3088	2804	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
PID 2804 wrote to memory of 3088	2804	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
PID 3088 wrote to memory of 4796	3088	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp	lampungsoundstage.exe
PID 3088 wrote to memory of 4796	3088	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp	lampungsoundstage.exe
PID 3088 wrote to memory of 4796	3088	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp	lampungsoundstage.exe
PID 3088 wrote to memory of 3068	3088	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp	lampungsoundstage.exe
PID 3088 wrote to memory of 3068	3088	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp	lampungsoundstage.exe
PID 3088 wrote to memory of 3068	3088	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp	lampungsoundstage.exe

C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe
"C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2804

C:\Users\Admin\AppData\Local\Temp\is-EKMLE.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-EKMLE.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp" /SL5="$60144,5617659,54272,C:\Users\Admin\AppData\Local\Temp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3088

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
3⤵
- Executes dropped EXE
PID:4796

C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
"C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
3⤵
- Executes dropped EXE
PID:3068

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
8da82123a5a83686ac1897115c6bc4f8

SHA1
f31dd771d8352afe1a75803cee5488daf41bb98e

SHA256
05446e4f3a90119f7ad6de3aee4795d1a59b914ac7d18895d0c25a8fa082e52d

SHA512
0f832253926e99f47296172fdb0aa883887e4601da6bffeced63fc0bcf11a2206a557a49c00966d91f4373466b2643b7cb8bf183904e61df533494abc406d558

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EKMLE.tmp\c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
Filesize
680KB

MD5
a53cd7f9f154eefaf6ff191bb4d65be5

SHA1
f9f4f828e214a3f0b086dd4c96a23c0b45d3b4ff

SHA256
4b70003d8cca9ebf285e0eaa03e24dd7cfd43370452dda6047654cca899dfb35

SHA512
327c5dbb5a3971d578aba98e76ac176a7afe3cb6f6767b6791b67e7a37ed558c0e8d31e20f17721766a3de83896b01681f1564ce55a020c70543359b75f1e88d

Download Submit
\Users\Admin\AppData\Local\Temp\is-R7AOK.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-R7AOK.tmp\_isetup\_isdecmp.dll
Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
memory/2804-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2804-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2804-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3068-112-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-100-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-136-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-131-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-128-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-75-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-78-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-81-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-84-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-87-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-88-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/3068-92-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-97-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-125-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-103-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-106-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-109-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-122-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-116-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3068-119-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/3088-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3088-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4796-66-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4796-65-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download
memory/4796-70-0x0000000000400000-0x0000000000742000-memory.dmp

Filesize
3.3MB

Download

pid	process
3088	c617621879fff09bbe3df944921b7c7d8603d457d8ca36b9fd985bbaf936539d.tmp
4796	lampungsoundstage.exe
3068	lampungsoundstage.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads