socks5systemz | c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b

General

Target

c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.exe
Size

5.6MB
MD5

a031abfa2acf4375bbe63289c3ed167e
SHA1

bdaeb343819ebe7754dbd224fa0ad67edc7f6667
SHA256

c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b
SHA512

5527a9bad50c9795cb5e76a0c96451212d400b6191bffad3ac53efde64e77a6bf890a6b35ab43d3df1c5967bf13becaf6d4ec3ddd6a06617054832a1c4b4dbc8
SSDEEP

98304:CLbGi3NE+c+Qdj/guWU3VMu0H6JCiFjLV9rh9hBTRu/00rCHPTvnL44bEPujQx5Y:OEd5/ToHYCkjLTFTnJEPujQjY

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3804-85-0x0000000000BE0000-0x0000000000C82000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4904	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.tmp
2520	pionaudioplayer32_64.exe
3804	pionaudioplayer32_64.exe

Loads dropped DLL 1 IoCs

pid	Process
4904	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.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	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

pid	Process
4904	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 4904	1048	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.exe	79
PID 1048 wrote to memory of 4904	1048	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.exe	79
PID 1048 wrote to memory of 4904	1048	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.exe	79
PID 4904 wrote to memory of 2520	4904	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.tmp	81
PID 4904 wrote to memory of 2520	4904	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.tmp	81
PID 4904 wrote to memory of 2520	4904	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.tmp	81
PID 4904 wrote to memory of 3804	4904	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.tmp	82
PID 4904 wrote to memory of 3804	4904	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.tmp	82
PID 4904 wrote to memory of 3804	4904	c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.tmp	82

C:\Users\Admin\AppData\Local\Temp\c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.exe
"C:\Users\Admin\AppData\Local\Temp\c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\AppData\Local\Temp\is-15BLQ.tmp\c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-15BLQ.tmp\c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.tmp" /SL5="$501AC,5613562,54272,C:\Users\Admin\AppData\Local\Temp\c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4904
- - C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer32_64.exe
    "C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2520
- - C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer32_64.exe
    "C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3804

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\Pion Audio Player\pionaudioplayer32_64.exe

Filesize
4.1MB

MD5
5144d1b754c462c1f83a8dcf96e37c26

SHA1
bf21fab896a68c14859be68f0b4d06186946e2c0

SHA256
aa2d8b32b07b44adc60ba625303588199a9d249714a1cd2cdab42d909ce86218

SHA512
099a5b89005ad9097854a80193f7857486e92f942e5065fcc0406ab03f0596a1750494d06723d22f869b34e720a16e66264011ef20e0cc08d5bbdea6b0479bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-15BLQ.tmp\c411f4c61a3f754b9653900519103d783a45d660c8c1f90196b3d92186ceea8b.tmp

Filesize
680KB

MD5
3db35bbd1102c6e1e2c4741de8e35885

SHA1
c6cf06cef7398cb37208de71b2272c81b0097720

SHA256
e5183e6cc3aa5136a77e51d80ee4a3dca62c9f030b38a9446c80dd1b8d9d1666

SHA512
37134467c71c020fb17f0506443d85280ad03662410ca82d32deb276bf91bf27c411083fd2a9f85d60ecc08f6e7508a9d0ff64c7062cb30748364d6d2403aebb

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D0C0Q.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1048-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1048-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1048-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2520-59-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/2520-62-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/2520-64-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-74-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-98-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-67-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-116-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-71-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-113-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-75-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-78-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-81-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-84-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-85-0x0000000000BE0000-0x0000000000C82000-memory.dmp

Filesize
648KB

Download
memory/3804-90-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-95-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-68-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-101-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-104-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-107-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/3804-110-0x0000000000400000-0x0000000000818000-memory.dmp

Filesize
4.1MB

Download
memory/4904-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4904-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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