socks5systemz | c874e8bf7043722f111c761caa6b86f3cae1b38e31c4011b4912976c5186ae37

General

Target

649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.exe
Size

6.4MB
MD5

68c2ef1a54be780b26f3d085f2f39a26
SHA1

86ea4178296e39bfa996a4ad876f275d481af82a
SHA256

649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1
SHA512

0569042649c2f565f47c14aab7aac82b1c855ca76cff00219e5bd9d878fd765017d406801ab5421548dfdf5bcd326731adc9f24a1aad666de0634970cc769bba
SSDEEP

196608:YcXO7qVtdUD01OjnJO2Wr5x4zjK8NcGH7PbO7Rh6BDGv:YcXpVt+D01ONOxr5qNbPbOP66

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/2764-86-0x0000000002710000-0x00000000027B2000-memory.dmp	family_socks5systemz
behavioral2/memory/2764-109-0x0000000002710000-0x00000000027B2000-memory.dmp	family_socks5systemz
behavioral2/memory/2764-110-0x0000000002710000-0x00000000027B2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
1448	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.tmp
2156	berryplayer.exe
2764	berryplayer.exe

Loads dropped DLL 1 IoCs

pid	Process
1448	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.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
1448	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 1448	3468	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.exe	83
PID 3468 wrote to memory of 1448	3468	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.exe	83
PID 3468 wrote to memory of 1448	3468	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.exe	83
PID 1448 wrote to memory of 2156	1448	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.tmp	85
PID 1448 wrote to memory of 2156	1448	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.tmp	85
PID 1448 wrote to memory of 2156	1448	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.tmp	85
PID 1448 wrote to memory of 2764	1448	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.tmp	88
PID 1448 wrote to memory of 2764	1448	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.tmp	88
PID 1448 wrote to memory of 2764	1448	649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.tmp	88

C:\Users\Admin\AppData\Local\Temp\649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.exe
"C:\Users\Admin\AppData\Local\Temp\649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3468
- C:\Users\Admin\AppData\Local\Temp\is-FBHQ6.tmp\649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-FBHQ6.tmp\649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.tmp" /SL5="$601D0,6416442,54272,C:\Users\Admin\AppData\Local\Temp\649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1448
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2156
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2764

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\berryplayer.exe

Filesize
5.0MB

MD5
f00a21d21eebc136ae6f6d92b69f3fad

SHA1
ec7d0808de5718a3737d801e43a76faf639a9e64

SHA256
86c025a4cafcd4785efdb6ea8c4472b8858fa01915c248433e8590e4b2d2fb6a

SHA512
ff1e1864e637a6e6bf0a55b0fc8a9ed61d626801a2adb96335f435368e61853858bffd8ae09a623da09137220f71b86adb4b216cb999a1d53bb9c331647cb455

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ACQ90.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FBHQ6.tmp\649ec1409ec42d4f79f86b95a7033d7392bf36c917e4a12995abe5e9e6d502b1.tmp

Filesize
680KB

MD5
b809a8c0040fe49b2577fba871c59727

SHA1
b9829c613284f08b50474e2b9d06298d135c253a

SHA256
8dcb0851c97099ae63a077dc7d51a9510bce2351134710f00a0805b6f488a0d4

SHA512
46a30a52d9e377ce983e7767b4b1607fbbc741f97e1b77c2c8c0836fd50847bf413fbabdc876505efc2fa00d49348d0880e8dfd89da2f8cfacbdf41dd00c5d8b

Download Submit
memory/1448-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1448-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2156-65-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2156-59-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2156-60-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2156-61-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-74-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-93-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-117-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-114-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-71-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-110-0x0000000002710000-0x00000000027B2000-memory.dmp

Filesize
648KB

Download
memory/2764-77-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-80-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-83-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-86-0x0000000002710000-0x00000000027B2000-memory.dmp

Filesize
648KB

Download
memory/2764-90-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-68-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-96-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-99-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-102-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-105-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-108-0x0000000000400000-0x000000000090A000-memory.dmp

Filesize
5.0MB

Download
memory/2764-109-0x0000000002710000-0x00000000027B2000-memory.dmp

Filesize
648KB

Download
memory/3468-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3468-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3468-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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