socks5systemz | f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49

General

Target

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe
Size

4.6MB
MD5

be8d696799cfebe007aa6ed336426f29
SHA1

567c1697e803689a8a847b3a5c0146dcbec30942
SHA256

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49
SHA512

f768a2f58e1da9b80fb7602c94ba68acb83d641a72af4c991f31d4de957fda498f00931c94fa93caa046bde31704983894e8fbd532d0e7b0c21bd66604ad46c3
SSDEEP

98304:m3EOt3jLhB45ljCBq20QKrcXwrRnlqP6pRC1Mnjxp:mEaq20QKYXwdn9pRwMnjxp

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bbwpcxl.com

http://bbwpcxl.com/search/?q=67e28dd86e0bf02e4608fe1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b5296692386687fe15c2ef93

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2608-94-0x00000000024C0000-0x0000000002562000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 3 IoCs

Processes:

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmpvirtualsoundcard32.exevirtualsoundcard32.exe

pid	Process
2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
2620	virtualsoundcard32.exe
2608	virtualsoundcard32.exe

Loads dropped DLL 5 IoCs

Processes:

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exef86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

pid	Process
2532	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe
2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

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

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exef86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmpvirtualsoundcard32.exevirtualsoundcard32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	virtualsoundcard32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	virtualsoundcard32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

pid	Process
2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exef86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

description	pid	Process	procid_target
PID 2532 wrote to memory of 2128	2532	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe	30
PID 2532 wrote to memory of 2128	2532	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe	30
PID 2532 wrote to memory of 2128	2532	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe	30
PID 2532 wrote to memory of 2128	2532	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe	30
PID 2532 wrote to memory of 2128	2532	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe	30
PID 2532 wrote to memory of 2128	2532	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe	30
PID 2532 wrote to memory of 2128	2532	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe	30
PID 2128 wrote to memory of 2620	2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	31
PID 2128 wrote to memory of 2620	2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	31
PID 2128 wrote to memory of 2620	2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	31
PID 2128 wrote to memory of 2620	2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	31
PID 2128 wrote to memory of 2608	2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	32
PID 2128 wrote to memory of 2608	2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	32
PID 2128 wrote to memory of 2608	2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	32
PID 2128 wrote to memory of 2608	2128	f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp	32

C:\Users\Admin\AppData\Local\Temp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe
"C:\Users\Admin\AppData\Local\Temp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\is-49K99.tmp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-49K99.tmp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp" /SL5="$30152,4551822,54272,C:\Users\Admin\AppData\Local\Temp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe
    "C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2620
- - C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe
    "C:\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe" -s
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2608

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\is-49K99.tmp\f86262d00d4e6af59566b3e5b3520cf9431bc24bf56013a77e638b9a4dc1be49.tmp

Filesize
680KB

MD5
4d048a561e9bc7453758d729ebbf5c37

SHA1
54087b47fa52295c10a4a73a99189ee34f533c69

SHA256
1edd0228fe240fa518bd3494ddd8cdb330725b797b12dda88d49ee9b72460184

SHA512
c2dae521c99e97fcfbaf6477412f8c82bf83392c7c23929e6200cb3c7d39d1ca6ffc6342f4f91f735cc5af63cbe788b133385dbe90f62686e8bc5d170828dd10

Download Submit
\Users\Admin\AppData\Local\Temp\is-7BUQ3.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-7BUQ3.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Virtual Sound Card\virtualsoundcard32.exe

Filesize
2.6MB

MD5
2d2cc2e0c16e13423291b8d712ff0eea

SHA1
904a9efe6ec0c0c2087d880ab10fc6d163f957b4

SHA256
4deca289d99a2ca710259627b90b2ec11f21a5440dfb373417209cba03e18587

SHA512
f4d665106346e8eafc4d74cf6485d7072c51ea30d4dba3d6322aee697427182247d62e939b137e5247338f02c7378703dff97773d51aaa239b895a91fb8ced7b

Download Submit
memory/2128-73-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2128-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2128-63-0x0000000005A60000-0x0000000005CF7000-memory.dmp

Filesize
2.6MB

Download
memory/2128-74-0x0000000005A60000-0x0000000005CF7000-memory.dmp

Filesize
2.6MB

Download
memory/2532-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2532-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2532-75-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2608-94-0x00000000024C0000-0x0000000002562000-memory.dmp

Filesize
648KB

Download
memory/2608-93-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-122-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-77-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-78-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-81-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-84-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-87-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-90-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-119-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-115-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-100-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-103-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-106-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-109-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2608-112-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2620-65-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2620-70-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download
memory/2620-66-0x0000000000400000-0x0000000000697000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads