socks5systemz | 64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b

General

Target

64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.exe
Size

2.6MB
MD5

a79f8dad001028d741448b31d9bc1bde
SHA1

9d86cb5d4b1724b196484dc38006996fa55f7a45
SHA256

64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b
SHA512

e7c0c9d070f2973bc2295a13a8cfc1bbd77f2ffe226a80e37ee23014da3081759dc9e2b6a6e2c4e866a995f422ff86ad3a785b45647716789de65aee1fb4307d
SSDEEP

49152:C9H8NCp3AACRw8snELLxIAPKzCgZml0fvHFm4XNLMxyP5GkjeJBazGEH:McNCyzRw8XOAyPme3HM4FMxy4kmBc

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

http://bbrvvme.com/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c64bdb22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ef610c3e792983a

Signatures

Detect Socks5Systemz Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3816-66-0x0000000000A40000-0x0000000000AE2000-memory.dmp	family_socks5systemz
behavioral2/memory/3816-76-0x0000000000A40000-0x0000000000AE2000-memory.dmp	family_socks5systemz

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

Detects executables packed with VMProtect. 19 IoCs

resource	yara_rule
behavioral2/memory/1392-38-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1392-40-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/1392-42-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-45-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-48-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-52-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-53-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-56-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-59-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-62-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-65-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-72-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-75-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-79-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-82-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-85-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-88-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-92-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral2/memory/3816-95-0x0000000000400000-0x00000000007C7000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

pid	Process
3084	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp
1392	vmanager.exe
3816	vmanager.exe

Loads dropped DLL 1 IoCs

pid	Process
3084	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3084	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp
3084	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3084	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 3084	1112	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.exe	86
PID 1112 wrote to memory of 3084	1112	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.exe	86
PID 1112 wrote to memory of 3084	1112	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.exe	86
PID 3084 wrote to memory of 1392	3084	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp	90
PID 3084 wrote to memory of 1392	3084	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp	90
PID 3084 wrote to memory of 1392	3084	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp	90
PID 3084 wrote to memory of 3816	3084	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp	91
PID 3084 wrote to memory of 3816	3084	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp	91
PID 3084 wrote to memory of 3816	3084	64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp	91

C:\Users\Admin\AppData\Local\Temp\64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.exe
"C:\Users\Admin\AppData\Local\Temp\64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\is-NEH40.tmp\64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-NEH40.tmp\64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp" /SL5="$80208,2328302,56832,C:\Users\Admin\AppData\Local\Temp\64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3084
- - C:\Users\Admin\AppData\Local\Video Manager\vmanager.exe
    "C:\Users\Admin\AppData\Local\Video Manager\vmanager.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1392
- - C:\Users\Admin\AppData\Local\Video Manager\vmanager.exe
    "C:\Users\Admin\AppData\Local\Video Manager\vmanager.exe" -s
    3⤵
    - Executes dropped EXE
    PID:3816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-G0DQ7.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-NEH40.tmp\64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b.tmp

Filesize
690KB

MD5
a3054a9b3ed686fed12e8d05fd34e72b

SHA1
c5923ff1d2da40e79a578ea729bde5d1cbc433e6

SHA256
4156625f9cd17262ce990833a3c091eaa8a72ba2c2d876ea0d806f81a4ac67b1

SHA512
e6e93104e00256523eed80f8e7cdb38f9f1f2c89f04467440a2d32c8caed5a53fc04c2efb095a95795e69e3f6091d354ca31c6f7721e9ccd3afa39231b75134e

Download Submit
C:\Users\Admin\AppData\Local\Video Manager\vmanager.exe

Filesize
3.8MB

MD5
0b09840fc81bfd036fa83fb4887a204d

SHA1
999611058f1754f286bfa42f8c5ba3c0043b18fe

SHA256
24b976d8e04e8e079bc61d5719b0fba60e6483c1ea3c1d2ce959b80ed2949135

SHA512
605167dffcf651b699955205501047353bfbccb4af59c535b03876fbf7dd7367cf7944c1775953f96fdd1521fd45ead45b78258370c8d085b5996462938cdec4

Download Submit
C:\Users\Admin\AppData\Local\Video Manager\vmanager.exe

Filesize
2.9MB

MD5
88eef6a6ca654906868900c807641ac0

SHA1
c48eed0bf2ccc4cd6ba8d200ec1c68fa05778376

SHA256
928e0e3c3be9e6ccc4800ba383a879ffd62c9f3f573f09e403ef7adf700eb8b1

SHA512
50474f82fa582ca6e1024f4ca02f82219a3359d6681cdedca2b5e401f87508ce7074efacabb980c8dfe07ba2c63ae4a395cc7f0243cbdc44c9a1af4bfee53c92

Download Submit
C:\Users\Admin\AppData\Local\Video Manager\vmanager.exe

Filesize
1.2MB

MD5
cfe34497d7de0db1aa7b20f2be9fcba7

SHA1
9fa1e7aa9d01ad3ed0e533cc36f805eb6bd8cc5e

SHA256
75d4b907dc0deb71a595908a7774b560c89a3de535fc3257f17dab4557775208

SHA512
559d3c81e510afec9dce7af3df9b4e5a5c967474ecea49a2e614d7d8e1c81c129b23fa76e909c4b7d257d54dc0b140ff082d97d88719e699b4e4c11884288b18

Download Submit
memory/1112-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1112-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1112-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1392-37-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/1392-38-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/1392-40-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/1392-42-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3084-49-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/3084-7-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/3084-47-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3816-66-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/3816-72-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-52-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-53-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-56-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-59-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-62-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-65-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-45-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-48-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-75-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-76-0x0000000000A40000-0x0000000000AE2000-memory.dmp

Filesize
648KB

Download
memory/3816-79-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-82-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-85-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-88-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-92-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download
memory/3816-95-0x0000000000400000-0x00000000007C7000-memory.dmp

Filesize
3.8MB

Download

Analysis

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