socks5systemz | 1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b

General

Target

1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe
Size

6.5MB
MD5

174b7e036d94d650f4c96cb6fae1a10b
SHA1

e741d242c0063d690ed3eae79ed6beb32ecac713
SHA256

1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b
SHA512

ce38f03de85b25f75f899a188a8b684722f50b4462ee2c2b52d670509f7208bdc111e5d69f7c7031f2d54e3765b795acf9fdb25b0d11576dfbab98ef69b6ee54
SSDEEP

196608:4zTKRvLt7teb0QM6Ic68B6YMOeWXmPk0R7cAEw:46Jt7tgzMqHBXM/MmP5Ynw

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1148-86-0x0000000000CC0000-0x0000000000D62000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2484	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp
3676	berryplayer32.exe
1148	berryplayer32.exe

Loads dropped DLL 1 IoCs

pid	Process
2484	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.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
2484	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2484	2284	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe	77
PID 2284 wrote to memory of 2484	2284	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe	77
PID 2284 wrote to memory of 2484	2284	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe	77
PID 2484 wrote to memory of 3676	2484	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	78
PID 2484 wrote to memory of 3676	2484	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	78
PID 2484 wrote to memory of 3676	2484	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	78
PID 2484 wrote to memory of 1148	2484	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	79
PID 2484 wrote to memory of 1148	2484	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	79
PID 2484 wrote to memory of 1148	2484	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	79

C:\Users\Admin\AppData\Local\Temp\1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe
"C:\Users\Admin\AppData\Local\Temp\1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Users\Admin\AppData\Local\Temp\is-GU04B.tmp\1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-GU04B.tmp\1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp" /SL5="$60102,6598516,54272,C:\Users\Admin\AppData\Local\Temp\1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2484
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:3676
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:1148

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe

Filesize
5.2MB

MD5
5ca9acd6d1df6f66ba38a509fa5c5644

SHA1
6fee376874c1fcc7258d5d4f80c3892b30a59404

SHA256
babde2a20f5e9d57b177a7c9a61211b3fd08ac91523f2bc18f639e34f572df0b

SHA512
25af505b0c10d379360262186731d5cf66661efda02d01edcf1ff322b1ce90a634e407ec096475934220368d1b83431882825659e87566861b1baeb393145e20

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-GU04B.tmp\1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp

Filesize
680KB

MD5
311c1ab01728e25cad4124cb6f68a2f1

SHA1
5d01c47cfefe9bf5390684076fc18129111e5138

SHA256
66e0c4091239948306890f2749f8c9af121efe1b8c9ee09b479d2e2e6a489d0b

SHA512
235b4d48aaf7f3cf01a26127f9a161a7395b8d16facd0e1ee5701fddd3ab3bd32fbeff868f0f3776d8bbebea2cfaf369006ff4deae200909c322790b7eec0ed6

Download Submit
memory/1148-96-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-99-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-115-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-112-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-108-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-105-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-67-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-102-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-93-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-70-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-73-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-74-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-77-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-80-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-83-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/1148-86-0x0000000000CC0000-0x0000000000D62000-memory.dmp

Filesize
648KB

Download
memory/1148-90-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/2284-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2284-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2284-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2484-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2484-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3676-64-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/3676-59-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/3676-60-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download

Analysis

Sharing