socks5systemz | 52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971

General

Target

52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.exe
Size

6.4MB
MD5

323d7953f093a5c65ffba0537e625f51
SHA1

2af6e64ef75ab8f2b8c2790fbe54167a769611d5
SHA256

52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971
SHA512

545318bd7a0199425e56e85935e509af562eac5f99a4a60ea49b6eec271cbddab714e1d49e79ab6f72276db827fa0c74adc1b441afd351649584fc4b1460b6e0
SSDEEP

98304:muqtmpI9hdzjYiH3hhHNVadcEc2z9rOUPS0ZBv4S7CBNgIbSpvyS+ZjviCbpHTM:1qtmozjYm3fTTEc2zTDZBkbgqSpKS2hM

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/1680-85-0x0000000000BA0000-0x0000000000C42000-memory.dmp	family_socks5systemz
behavioral2/memory/1680-109-0x0000000000BA0000-0x0000000000C42000-memory.dmp	family_socks5systemz
behavioral2/memory/1680-108-0x0000000000BA0000-0x0000000000C42000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4128	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.tmp
3968	voicechangeremerald.exe
1680	voicechangeremerald.exe

Loads dropped DLL 1 IoCs

pid	Process
4128	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.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	45.155.250.90

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
4128	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 4128	5084	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.exe	72
PID 5084 wrote to memory of 4128	5084	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.exe	72
PID 5084 wrote to memory of 4128	5084	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.exe	72
PID 4128 wrote to memory of 3968	4128	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.tmp	73
PID 4128 wrote to memory of 3968	4128	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.tmp	73
PID 4128 wrote to memory of 3968	4128	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.tmp	73
PID 4128 wrote to memory of 1680	4128	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.tmp	74
PID 4128 wrote to memory of 1680	4128	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.tmp	74
PID 4128 wrote to memory of 1680	4128	52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.tmp	74

C:\Users\Admin\AppData\Local\Temp\52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.exe
"C:\Users\Admin\AppData\Local\Temp\52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Users\Admin\AppData\Local\Temp\is-NLSHU.tmp\52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-NLSHU.tmp\52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.tmp" /SL5="$F01E2,6411119,54272,C:\Users\Admin\AppData\Local\Temp\52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4128
- - C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe
    "C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3968
- - C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe
    "C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe" -s
    3⤵
    - Executes dropped EXE
    PID:1680

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-NLSHU.tmp\52b983f478741fc0221c82b03d44331eae013f8d568a5911a30931861b58d971.tmp

Filesize
680KB

MD5
90b1847c150cb4f28f4fe58a9d40ceaa

SHA1
cf8f1a12dcab69c114e826555ad0b9e565c631f2

SHA256
4e2ac031eded6bce8ba9b70111562c90e8666d770ab4d0a4eaf64d1bd808662f

SHA512
d7e496ccb17e7e9259a01258529940b2c7b9150b719907867a9b15a42626d76b473de666c3c143466189db8aded62463e43f5801b40da62e87fcf876985745aa

Download Submit
C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe

Filesize
5.0MB

MD5
41e331d6e9a9cccc1824492c19197d87

SHA1
b2d474035a3abf997531f17be2572295f0ad14d6

SHA256
d008c5c642a4d40a2df3e93055e8b48ff85b5585d3f9438effe0b032bee198a2

SHA512
8c1c21dcf131d3e1e242300e68c640c711c6efc72ecd0c9f14dde6225e3b4d42ac27ea77af67dd6a584d25b114fbd1e9de9d2872945d49d3b181bba7c64d1881

Download Submit
\Users\Admin\AppData\Local\Temp\is-1P4SG.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1680-107-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-82-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-87-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-113-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-108-0x0000000000BA0000-0x0000000000C42000-memory.dmp

Filesize
648KB

Download
memory/1680-109-0x0000000000BA0000-0x0000000000C42000-memory.dmp

Filesize
648KB

Download
memory/1680-67-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-85-0x0000000000BA0000-0x0000000000C42000-memory.dmp

Filesize
648KB

Download
memory/1680-125-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-70-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-73-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-76-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-79-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-116-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-128-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-122-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-92-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-95-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-98-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-101-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-104-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/1680-119-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/3968-64-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/3968-60-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/3968-59-0x0000000000400000-0x00000000008FF000-memory.dmp

Filesize
5.0MB

Download
memory/4128-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4128-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5084-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/5084-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5084-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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