socks5systemz | dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c

General

Target

dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.exe
Size

4.7MB
MD5

9b3e3e97a750baf41d65497ae99a8e09
SHA1

86485d977d70cd6abc42f46bf11cbc21ba9f47ae
SHA256

dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c
SHA512

a7d35d530d1209322596eca46a64542926c27e5043555c4061af169d4771a587c6a218f66636fc4a06a1bdf64764f0bd3eb01d2a1bd5fb0b31260947f5c2bff5
SSDEEP

98304:mmqrLv+98WJp+GJrw9HZYfFY04GRhl9g3I0swlumShSLUjoucs:AXAptJwHZYCcL3g40swmhVom

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/4552-88-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz
behavioral1/memory/4552-111-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz
behavioral1/memory/4552-112-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1524	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp
2084	zvaervideorecorder.exe
4552	zvaervideorecorder.exe

Loads dropped DLL 1 IoCs

pid	Process
1524	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

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

pid	Process
1524	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4340 wrote to memory of 1524	4340	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.exe	82
PID 4340 wrote to memory of 1524	4340	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.exe	82
PID 4340 wrote to memory of 1524	4340	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.exe	82
PID 1524 wrote to memory of 2084	1524	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp	84
PID 1524 wrote to memory of 2084	1524	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp	84
PID 1524 wrote to memory of 2084	1524	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp	84
PID 1524 wrote to memory of 4552	1524	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp	87
PID 1524 wrote to memory of 4552	1524	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp	87
PID 1524 wrote to memory of 4552	1524	dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp	87

C:\Users\Admin\AppData\Local\Temp\dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.exe
"C:\Users\Admin\AppData\Local\Temp\dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4340
- C:\Users\Admin\AppData\Local\Temp\is-KUJ5S.tmp\dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-KUJ5S.tmp\dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp" /SL5="$501C4,4650273,54272,C:\Users\Admin\AppData\Local\Temp\dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1524
- - C:\Users\Admin\AppData\Local\Zvaer Video Recorder\zvaervideorecorder.exe
    "C:\Users\Admin\AppData\Local\Zvaer Video Recorder\zvaervideorecorder.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2084
- - C:\Users\Admin\AppData\Local\Zvaer Video Recorder\zvaervideorecorder.exe
    "C:\Users\Admin\AppData\Local\Zvaer Video Recorder\zvaervideorecorder.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4552

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\Temp\is-0PJGS.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KUJ5S.tmp\dc480cb52ebad31042ad36844628c0eab1db5081adb37349b9f681c10e98671c.tmp

Filesize
680KB

MD5
aa4b0ba88b62a698532cc86abaa74e05

SHA1
506960785d6184f45165a127d83c044bb556a216

SHA256
a67c200dc2d49976b94cd15bbf2f6773821166a2ea79a092387b1463349aac19

SHA512
f5900ea0efbd2fe92f220ba057a7b5d19995c6bb8f8f63bd318f01f85381e64eba7f28acb7aacef8fd40a4ad0d1ea7da3017225548b090a9ab48173b61f6b34d

Download Submit
C:\Users\Admin\AppData\Local\Zvaer Video Recorder\zvaervideorecorder.exe

Filesize
2.7MB

MD5
910616df186e7cf5b4c312a7e8e60c5f

SHA1
9c8110b2d81279be2be711afeddff54b4795f309

SHA256
401fa81c395bec376ec4f6351200ac86223666a7a065dee01c40c9a03d7fd0e6

SHA512
f55b16d6e637d81eb709d72bd059d66d418e02d154e4aefc2726b3a060b8e30cb8f9a192c3f09a8cba0fc663427914c5de42595bac3cfc2a4ed662977c9888bf

Download Submit
memory/1524-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1524-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2084-59-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/2084-60-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/2084-61-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/2084-65-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4340-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4340-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4340-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4552-76-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-90-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-72-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-75-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-67-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-79-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-82-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-85-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-88-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/4552-69-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-95-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-98-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-101-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-104-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-107-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-110-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-111-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/4552-112-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/4552-116-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download
memory/4552-119-0x0000000000400000-0x00000000006B8000-memory.dmp

Filesize
2.7MB

Download

Analysis

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