socks5systemz | e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520

General

Target

e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.exe
Size

6.3MB
MD5

04dff01c17bab39b7bd400ef33dac0a0
SHA1

49855b3a220c1359d9baf560fcf0b8924802d66c
SHA256

e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520
SHA512

f14a3ade70254546188c91af7d0b536196d80ef6199403adcc6de4da2f76debe26cb65bf68f76e29bbc235436370e69f3224d7f1bc59cbb8a862ef7dbd768798
SSDEEP

98304:m1AmXQKllbRozZTqg1HhWRAExJXGkojobVOreu3JQaWn46cuimyTaEH2jiqnuGbg:Zd63WHhWqCXPoju493bWnCu7QZxOwqMJ

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral1/memory/4836-86-0x0000000000BE0000-0x0000000000C82000-memory.dmp	family_socks5systemz
behavioral1/memory/4836-109-0x0000000000BE0000-0x0000000000C82000-memory.dmp	family_socks5systemz
behavioral1/memory/4836-110-0x0000000000BE0000-0x0000000000C82000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
2832	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.tmp
4628	berryplayer32.exe
4836	berryplayer32.exe

Loads dropped DLL 1 IoCs

pid	Process
2832	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.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	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

pid	Process
2832	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2832	2388	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.exe	84
PID 2388 wrote to memory of 2832	2388	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.exe	84
PID 2388 wrote to memory of 2832	2388	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.exe	84
PID 2832 wrote to memory of 4628	2832	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.tmp	86
PID 2832 wrote to memory of 4628	2832	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.tmp	86
PID 2832 wrote to memory of 4628	2832	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.tmp	86
PID 2832 wrote to memory of 4836	2832	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.tmp	87
PID 2832 wrote to memory of 4836	2832	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.tmp	87
PID 2832 wrote to memory of 4836	2832	e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.tmp	87

C:\Users\Admin\AppData\Local\Temp\e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.exe
"C:\Users\Admin\AppData\Local\Temp\e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Local\Temp\is-2U6BH.tmp\e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2U6BH.tmp\e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.tmp" /SL5="$501C6,6387184,54272,C:\Users\Admin\AppData\Local\Temp\e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4628
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4836

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\Berry Player\berryplayer32.exe

Filesize
5.0MB

MD5
807c14b20fbf6e584bbda74254f2a6bc

SHA1
59e3560e37abc2140e08405e9d7644c8bca2777d

SHA256
82128a65a7d17c7588aebf4591a9323ca7ab522a9685ed3790e17409ade0838f

SHA512
f1f140b25c13ec565262cac882a309ffa50cb1e2c4903c22b30ab2fe829585dd7ade55a3ac374153b33ad416217dc52f17be73822f785cb55867adac0a7ec1d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2U6BH.tmp\e61eba0e66668bc3b952e9abfa32dfbc1276499ca0e3702e8dad543fd7753520.tmp

Filesize
680KB

MD5
311c1ab01728e25cad4124cb6f68a2f1

SHA1
5d01c47cfefe9bf5390684076fc18129111e5138

SHA256
66e0c4091239948306890f2749f8c9af121efe1b8c9ee09b479d2e2e6a489d0b

SHA512
235b4d48aaf7f3cf01a26127f9a161a7395b8d16facd0e1ee5701fddd3ab3bd32fbeff868f0f3776d8bbebea2cfaf369006ff4deae200909c322790b7eec0ed6

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

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2388-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2388-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2388-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2832-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2832-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4628-59-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4628-60-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4628-64-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-74-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-93-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-73-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-67-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-77-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-80-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-83-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-86-0x0000000000BE0000-0x0000000000C82000-memory.dmp

Filesize
648KB

Download
memory/4836-90-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-70-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-96-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-99-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-102-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-105-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-108-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-109-0x0000000000BE0000-0x0000000000C82000-memory.dmp

Filesize
648KB

Download
memory/4836-110-0x0000000000BE0000-0x0000000000C82000-memory.dmp

Filesize
648KB

Download
memory/4836-114-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download
memory/4836-117-0x0000000000400000-0x0000000000902000-memory.dmp

Filesize
5.0MB

Download

Analysis

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