socks5systemz | 1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa

General

Target

1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.exe
Size

6.0MB
MD5

e8aeeb2f53ca156cf8bff4a1f193fd09
SHA1

0aebeb9c30bf9417673ba7d1864f8ea89f6120e3
SHA256

1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa
SHA512

4907c34224f6fca385bc2afafbe44f18642b57d2354d19139d1dd309dee66b8d15a814f44e69a0dae9087df3d0bcf7e948672f5260e2ab4ee8fe8ac470cb85e9
SSDEEP

196608:DhNyXXJpZgtNhUjVW65HWU5CuXq/8n597/GUi6d:ls2tNhyrVq/8n59TD

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/4884-143-0x00000000007B0000-0x0000000000852000-memory.dmp	family_socks5systemz
behavioral2/memory/4884-168-0x00000000007B0000-0x0000000000852000-memory.dmp	family_socks5systemz
behavioral2/memory/4884-169-0x00000000007B0000-0x0000000000852000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
3308	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.tmp
4884	syncplayer32_64.exe

Loads dropped DLL 3 IoCs

pid	Process
3308	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.tmp
3308	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.tmp
3308	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.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	45.155.250.90

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	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syncplayer32_64.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 3308	5000	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.exe	84
PID 5000 wrote to memory of 3308	5000	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.exe	84
PID 5000 wrote to memory of 3308	5000	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.exe	84
PID 3308 wrote to memory of 4884	3308	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.tmp	88
PID 3308 wrote to memory of 4884	3308	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.tmp	88
PID 3308 wrote to memory of 4884	3308	1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.tmp	88

C:\Users\Admin\AppData\Local\Temp\1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.exe
"C:\Users\Admin\AppData\Local\Temp\1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5000
- C:\Users\Admin\AppData\Local\Temp\is-FQ8KP.tmp\1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-FQ8KP.tmp\1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.tmp" /SL5="$80044,6089357,54272,C:\Users\Admin\AppData\Local\Temp\1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3308
- - 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:4884

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
3c140969f9499743ed475693b82dd7ee

SHA1
2b3b9552685608f09a12ece262a6295ef3f97691

SHA256
6d7adaf1e0ed3ae9512d49d59bee3a3352524a5794a0983091dc3dc1150791e4

SHA512
37c57b84b11b743854a86eafcf0c2abb156fbfc1ac18e038c332b3a68c75e48b79b4f98ab0afbc9dbd04b86a56df92ca4b3dd58b7bc099842e3d1fa5016c18be

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FQ8KP.tmp\1cbf665d01b94487550006793eb4df3fa7e8941039ccdb3f55ee0492e0ce62fa.tmp

Filesize
683KB

MD5
0d05e478ec0e67b3670c32f7fcd99ac2

SHA1
bbef8ae7b0e306e6172e2a0d9d6bacebf7f71886

SHA256
abf4a9fad2c3c735450cd35f7ae7255a52c0da48432c41682598536a9a708360

SHA512
677790b8807661e5ed9386bfd12a892dd9fef732d3228902a0718d0d64cba25c9c23b7ff67827373a77307dc1b41695ecb9ea64b71ae622f69bed8bb84ff3af7

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RPH7Q.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RPH7Q.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
memory/3308-123-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3308-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4884-136-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-144-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-120-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-122-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-176-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-173-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-126-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-127-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-130-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-133-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-169-0x00000000007B0000-0x0000000000852000-memory.dmp

Filesize
648KB

Download
memory/4884-139-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-143-0x00000000007B0000-0x0000000000852000-memory.dmp

Filesize
648KB

Download
memory/4884-119-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-150-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-151-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-154-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-155-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-158-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-161-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-164-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-167-0x0000000000400000-0x000000000067C000-memory.dmp

Filesize
2.5MB

Download
memory/4884-168-0x00000000007B0000-0x0000000000852000-memory.dmp

Filesize
648KB

Download
memory/5000-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/5000-124-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5000-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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