socks5systemz | f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d

General

Target

f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe
Size

6.1MB
MD5

a7d3a3391f697d6277cef4d9f83928d5
SHA1

d527d547bac027581127a17b1b29fc0dc78f2e43
SHA256

f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d
SHA512

f3e84611dbf78753162ece52fd46cb9126be991cae18766005663e48e6c42e60a5a39ea47510b71a4d708d941da872c58b83a0fe3ecb1dd3d0348e54c99ab492
SSDEEP

196608:kcxsrlrLlyS9AnDzrZjKtv0tCbMXDEgLqiwxCo9Q6d:IrlUS9Gzw0UbuDEgeLx97

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/1856-144-0x0000000002A20000-0x0000000002AC2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
2856	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp
1856	syncplayer32_64.exe

Loads dropped DLL 6 IoCs

pid	Process
2720	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe
2856	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp
2856	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp
2856	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp
2856	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp
2856	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.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

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syncplayer32_64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2856	2720	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe	30
PID 2720 wrote to memory of 2856	2720	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe	30
PID 2720 wrote to memory of 2856	2720	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe	30
PID 2720 wrote to memory of 2856	2720	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe	30
PID 2720 wrote to memory of 2856	2720	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe	30
PID 2720 wrote to memory of 2856	2720	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe	30
PID 2720 wrote to memory of 2856	2720	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe	30
PID 2856 wrote to memory of 1856	2856	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp	31
PID 2856 wrote to memory of 1856	2856	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp	31
PID 2856 wrote to memory of 1856	2856	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp	31
PID 2856 wrote to memory of 1856	2856	f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp	31

C:\Users\Admin\AppData\Local\Temp\f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe
"C:\Users\Admin\AppData\Local\Temp\f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Users\Admin\AppData\Local\Temp\is-DPU9C.tmp\f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-DPU9C.tmp\f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp" /SL5="$40112,6126849,54272,C:\Users\Admin\AppData\Local\Temp\f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Users\Admin\AppData\Local\SyncPlayer 1.2.8\syncplayer32_64.exe
    "C:\Users\Admin\AppData\Local\SyncPlayer 1.2.8\syncplayer32_64.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1856

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

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Downloads

C:\Users\Admin\AppData\Local\SyncPlayer 1.2.8\syncplayer32_64.exe

Filesize
2.4MB

MD5
a0c24d9b7ed068436689758cde196d2c

SHA1
82eadc908fd709557b8e6fc87712b5a85e373f85

SHA256
06ec3afbff6dbf5cc00ee9284fa028b4d05ad30fe2ab391076255814b180a1af

SHA512
abf015fe8aabc3d9fffc013eb35dad44fb2d4d12ec44f60ae7bed32b6298dbacfd66a1cf3a97b6305a6b3b3a5dc2f298a896d3c3e093632bee514c3e3a457ec5

Download Submit
\Users\Admin\AppData\Local\Temp\is-69T7G.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-69T7G.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
\Users\Admin\AppData\Local\Temp\is-69T7G.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-DPU9C.tmp\f8c3280900d9743c9642350862063260669b37ba0b38bb746d7109074632d95d.tmp

Filesize
683KB

MD5
0d05e478ec0e67b3670c32f7fcd99ac2

SHA1
bbef8ae7b0e306e6172e2a0d9d6bacebf7f71886

SHA256
abf4a9fad2c3c735450cd35f7ae7255a52c0da48432c41682598536a9a708360

SHA512
677790b8807661e5ed9386bfd12a892dd9fef732d3228902a0718d0d64cba25c9c23b7ff67827373a77307dc1b41695ecb9ea64b71ae622f69bed8bb84ff3af7

Download Submit
memory/1856-131-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-137-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-173-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-121-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-170-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-166-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-123-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-163-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-128-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-160-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-134-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-157-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-140-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-143-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-144-0x0000000002A20000-0x0000000002AC2000-memory.dmp

Filesize
648KB

Download
memory/1856-150-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/1856-154-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/2720-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2720-126-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2720-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2856-153-0x00000000049B0000-0x0000000004C2C000-memory.dmp

Filesize
2.5MB

Download
memory/2856-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2856-122-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2856-120-0x00000000049B0000-0x0000000004C2C000-memory.dmp

Filesize
2.5MB

Download

Analysis

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