socks5systemz | 9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8

General

Target

9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.exe
Size

4.8MB
MD5

c03417441522ac0b28b6b58d4a8b1c63
SHA1

6ed5c931c0ace25b1c5b3e528006b3802bbe30a3
SHA256

9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8
SHA512

14bcd7d081472fa3f9c68ae8e07d631bef9730c6f0c3997a25e04e9f88edccccfdb5a8745d81961995500b42c6db264c77b3001a614cd123a53d1225abc46205
SSDEEP

98304:mW5FpzB3L3Po4kLHarrsVbQoAsWdImQnIc5IXzYR691RGZ7nK7Vknsk8i:ZtJ3wNH46QoAsWF4qXOE1R+nK7Qsg

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bobuefb.com

http://bobuefb.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff712c2e6969f39

http://bobuefb.com/search/?q=67e28dd83e0bfb2e455aa5187c27d78406abdd88be4b12eab517aa5c96bd86ec94814f845a8bbc896c58e713bc90c91f36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9939c46c9314

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1664-88-0x0000000000900000-0x00000000009A2000-memory.dmp	family_socks5systemz
behavioral2/memory/1664-111-0x0000000000900000-0x00000000009A2000-memory.dmp	family_socks5systemz
behavioral2/memory/1664-112-0x0000000000900000-0x00000000009A2000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Detects executables packed with VMProtect. 19 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1704-60-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1704-62-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1704-65-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-69-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-72-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-75-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-76-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-79-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-82-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-85-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-92-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-95-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-98-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-101-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-104-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-107-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-110-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-116-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1664-119-0x0000000000400000-0x00000000006E9000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

Processes:

9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmpaudioconverter32.exeaudioconverter32.exe

pid process

892 9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp
1704 audioconverter32.exe
1664 audioconverter32.exe
Loads dropped DLL 1 IoCs

Processes:

9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp

pid process

892 9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.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 91.211.247.248
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:

9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp

pid process

892 9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp

pid	process
892	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp
1704	audioconverter32.exe
1664	audioconverter32.exe

pid	process
892	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
892	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.exe9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp

description	pid	process	target process
PID 3140 wrote to memory of 892	3140	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.exe	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp
PID 3140 wrote to memory of 892	3140	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.exe	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp
PID 3140 wrote to memory of 892	3140	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.exe	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp
PID 892 wrote to memory of 1704	892	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp	audioconverter32.exe
PID 892 wrote to memory of 1704	892	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp	audioconverter32.exe
PID 892 wrote to memory of 1704	892	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp	audioconverter32.exe
PID 892 wrote to memory of 1664	892	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp	audioconverter32.exe
PID 892 wrote to memory of 1664	892	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp	audioconverter32.exe
PID 892 wrote to memory of 1664	892	9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp	audioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.exe
"C:\Users\Admin\AppData\Local\Temp\9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3140

C:\Users\Admin\AppData\Local\Temp\is-N0BT9.tmp\9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp
"C:\Users\Admin\AppData\Local\Temp\is-N0BT9.tmp\9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp" /SL5="$E01C2,4767411,54272,C:\Users\Admin\AppData\Local\Temp\9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:892

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:1704

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:1664

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\Free Audio Converter\audioconverter32.exe
Filesize
2.9MB

MD5
30dd2b0aac75d012605817206d2ea578

SHA1
08a7a70bd7520d9ace75243bd3a8f441b226d479

SHA256
6b7e73e4f2add647d5c48f655adbaeefb0232674499c26fe08066239654b6891

SHA512
0f641a8fdede3bc8745c217cdb27509b8794f9a7125081a099b688f7494a60098010ac70be30fce1293c97c45de70fecdfbcd46be4acd5a22e1723f7a1c8cc66

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3N88F.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-N0BT9.tmp\9f69963c838288865f38acc2d517db733466d0c9b5b0cc6cdd8ba6593844a5f8.tmp
Filesize
680KB

MD5
f2ea57162349fbb5a88b276f91880c7d

SHA1
31d0ef8f01ec1dbca631b2aee891ec46c0a2c663

SHA256
756ee2c303f097f361c1f6f16f118612acd5ceb277fd7642695b36fedf0dba68

SHA512
3dd06f405e036ade9fd52ac7ae189e8c1bafc48dc09f6f346f5b1ddb32ec43ecf527bd96d2c446d320cd22ea63d5eae430cab92533847d83a0af015224a13799

Download Submit
memory/892-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/892-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1664-101-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-76-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-111-0x0000000000900000-0x00000000009A2000-memory.dmp

Filesize
648KB

Download
memory/1664-110-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-107-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-69-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-68-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-104-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-119-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-72-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-75-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-112-0x0000000000900000-0x00000000009A2000-memory.dmp

Filesize
648KB

Download
memory/1664-79-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-82-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-85-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-88-0x0000000000900000-0x00000000009A2000-memory.dmp

Filesize
648KB

Download
memory/1664-92-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-95-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-98-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1664-116-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1704-59-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1704-65-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1704-62-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/1704-60-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/3140-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3140-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3140-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads