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 3 IoCs

resource	yara_rule
behavioral1/memory/4476-86-0x0000000000B60000-0x0000000000C02000-memory.dmp	family_socks5systemz
behavioral1/memory/4476-110-0x0000000000B60000-0x0000000000C02000-memory.dmp	family_socks5systemz
behavioral1/memory/4476-109-0x0000000000B60000-0x0000000000C02000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
4252	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp
2096	berryplayer32.exe
4476	berryplayer32.exe

Loads dropped DLL 1 IoCs

pid	Process
4252	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	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
4252	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 4252	1108	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe	81
PID 1108 wrote to memory of 4252	1108	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe	81
PID 1108 wrote to memory of 4252	1108	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe	81
PID 4252 wrote to memory of 2096	4252	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	86
PID 4252 wrote to memory of 2096	4252	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	86
PID 4252 wrote to memory of 2096	4252	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	86
PID 4252 wrote to memory of 4476	4252	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	87
PID 4252 wrote to memory of 4476	4252	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	87
PID 4252 wrote to memory of 4476	4252	1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp	87

C:\Users\Admin\AppData\Local\Temp\1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe
"C:\Users\Admin\AppData\Local\Temp\1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Users\Admin\AppData\Local\Temp\is-IJ9ER.tmp\1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-IJ9ER.tmp\1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp" /SL5="$F002E,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:4252
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2096
- - C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
    "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4476

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
5.2MB

MD5
5ca9acd6d1df6f66ba38a509fa5c5644

SHA1
6fee376874c1fcc7258d5d4f80c3892b30a59404

SHA256
babde2a20f5e9d57b177a7c9a61211b3fd08ac91523f2bc18f639e34f572df0b

SHA512
25af505b0c10d379360262186731d5cf66661efda02d01edcf1ff322b1ce90a634e407ec096475934220368d1b83431882825659e87566861b1baeb393145e20

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-IJ9ER.tmp\1cb39489286f6086c1e4cf78f34c9b271abceb495dad8a227d41e65284d7fa8b.tmp

Filesize
680KB

MD5
311c1ab01728e25cad4124cb6f68a2f1

SHA1
5d01c47cfefe9bf5390684076fc18129111e5138

SHA256
66e0c4091239948306890f2749f8c9af121efe1b8c9ee09b479d2e2e6a489d0b

SHA512
235b4d48aaf7f3cf01a26127f9a161a7395b8d16facd0e1ee5701fddd3ab3bd32fbeff868f0f3776d8bbebea2cfaf369006ff4deae200909c322790b7eec0ed6

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-TMM1M.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1108-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1108-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1108-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2096-59-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/2096-60-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/2096-64-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/2096-63-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4252-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4252-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4476-73-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-93-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-67-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-74-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-77-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-80-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-83-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-86-0x0000000000B60000-0x0000000000C02000-memory.dmp

Filesize
648KB

Download
memory/4476-90-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-70-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-96-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-99-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-102-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-105-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-108-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-110-0x0000000000B60000-0x0000000000C02000-memory.dmp

Filesize
648KB

Download
memory/4476-109-0x0000000000B60000-0x0000000000C02000-memory.dmp

Filesize
648KB

Download
memory/4476-114-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download
memory/4476-117-0x0000000000400000-0x0000000000936000-memory.dmp

Filesize
5.2MB

Download

Analysis

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