socks5systemz | 690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e

General

Target

690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.exe
Size

5.0MB
MD5

5bba106574ce1c111f283706d9a74393
SHA1

e538764378c46b8e3bad561611dde83cafb3a1e9
SHA256

690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e
SHA512

a2a949d46be313286f62f3a4ef38b2271de0063b06147746690b519ab1229bead9606ac80857812a7eb359b8599154efcb87a1d51717df21f6b76d1e57fe1cc0
SSDEEP

98304:mZGaoGCdGF8UGGeWf2gryA341LJ7BGKFo2/CG0IAC1WgdgVxa2X:fGuiNeACA34LJVGHrIACeV0M

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dtkkpqt.info

http://dtkkpqt.info/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff713c2e9919833

http://dtkkpqt.info/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12eab517aa5c96bd86ec94844e875a8bbc896c58e713bc90c91836b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9839cb6b941e

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3788-85-0x00000000024F0000-0x0000000002592000-memory.dmp	family_socks5systemz
behavioral2/memory/3788-109-0x00000000024F0000-0x0000000002592000-memory.dmp	family_socks5systemz
behavioral2/memory/3788-110-0x00000000024F0000-0x0000000002592000-memory.dmp	family_socks5systemz

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

Processes:

690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmpaudioconverter32.exeaudioconverter32.exe

pid process

1484 690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp
1856 audioconverter32.exe
3788 audioconverter32.exe
Loads dropped DLL 1 IoCs

Processes:

690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp

pid process

1484 690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.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 152.89.198.214
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:

690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp

pid process

1484 690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp

pid	process
1484	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp
1856	audioconverter32.exe
3788	audioconverter32.exe

pid	process
1484	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
1484	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.exe690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp

description	pid	process	target process
PID 4308 wrote to memory of 1484	4308	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.exe	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp
PID 4308 wrote to memory of 1484	4308	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.exe	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp
PID 4308 wrote to memory of 1484	4308	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.exe	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp
PID 1484 wrote to memory of 1856	1484	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp	audioconverter32.exe
PID 1484 wrote to memory of 1856	1484	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp	audioconverter32.exe
PID 1484 wrote to memory of 1856	1484	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp	audioconverter32.exe
PID 1484 wrote to memory of 3788	1484	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp	audioconverter32.exe
PID 1484 wrote to memory of 3788	1484	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp	audioconverter32.exe
PID 1484 wrote to memory of 3788	1484	690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp	audioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.exe
"C:\Users\Admin\AppData\Local\Temp\690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4308

C:\Users\Admin\AppData\Local\Temp\is-EMCVV.tmp\690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp
"C:\Users\Admin\AppData\Local\Temp\is-EMCVV.tmp\690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp" /SL5="$40212,4940580,54272,C:\Users\Admin\AppData\Local\Temp\690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1484

C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -i
3⤵
- Executes dropped EXE
PID:1856

C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -s
3⤵
- Executes dropped EXE
PID:3788

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
Filesize
3.1MB

MD5
e0e169635d70f0f42049d19be03e38e8

SHA1
2c664aa19b0928de31e5ff97e59755b38ac86c06

SHA256
dcb9cd863f36332c6117816c0578d8189d82e956dd5ceb4f696e603d2b944f39

SHA512
1393e01379e6709f4ca3e09458bac7b415ad430a159717c23836b953b5706ee9fc16f2e8c752918a8f485a89d64b9ac1e253bd8a8ead90c8776bed8b566ef79e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BFDF6.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-EMCVV.tmp\690f77e32aa4140ae4874309c2818599ba2bb217ca53e251e4f5534c966fb93e.tmp
Filesize
680KB

MD5
f2ea57162349fbb5a88b276f91880c7d

SHA1
31d0ef8f01ec1dbca631b2aee891ec46c0a2c663

SHA256
756ee2c303f097f361c1f6f16f118612acd5ceb277fd7642695b36fedf0dba68

SHA512
3dd06f405e036ade9fd52ac7ae189e8c1bafc48dc09f6f346f5b1ddb32ec43ecf527bd96d2c446d320cd22ea63d5eae430cab92533847d83a0af015224a13799

Download Submit
memory/1484-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1484-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1856-59-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/1856-62-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/1856-64-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-76-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-108-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-117-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-114-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-70-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-73-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-110-0x00000000024F0000-0x0000000002592000-memory.dmp

Filesize
648KB

Download
memory/3788-79-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-82-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-85-0x00000000024F0000-0x0000000002592000-memory.dmp

Filesize
648KB

Download
memory/3788-88-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-93-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-96-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-99-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-102-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-105-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-67-0x0000000000400000-0x000000000071B000-memory.dmp

Filesize
3.1MB

Download
memory/3788-109-0x00000000024F0000-0x0000000002592000-memory.dmp

Filesize
648KB

Download
memory/4308-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4308-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4308-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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