socks5systemz | 545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151

Analysis

max time kernel
111s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/11/2024, 16:45

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General

Target
545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.exe
Size 5.9MB
Sample241110-t9tmrazpas
SHA256 545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151
MD5 8a7bb92c029592c20a43dfe8b2765730
SHA1 5a43077baa53dbecc23170e69ae32a547299d8ab
SHA512 3c89532801e9b06e4203f49128718720fb309601839d133eccc921f7b2a934425b23aefb7194d4560dedd1ff955d5db7720798483d295dcc1340a7ece6310fae
SSDEEP 98304:44vRPrY8ct5HRMMvE5lbJ2+le2CZien2w0emgsG9ZvN33AKSl:vr7QHRQjQPQVgsIFq
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1452-104-0x0000000000A10000-0x0000000000AB2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
1368	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp
1452	cutmovie32.exe

Loads dropped DLL 1 IoCs

pid	Process
1368	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp

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

System Location Discovery: System Language Discovery 1 TTPs 5 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	cutmovie32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1368	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp
1368	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1368	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 1368	4496	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.exe	85
PID 4496 wrote to memory of 1368	4496	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.exe	85
PID 4496 wrote to memory of 1368	4496	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.exe	85
PID 1368 wrote to memory of 2336	1368	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp	87
PID 1368 wrote to memory of 2336	1368	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp	87
PID 1368 wrote to memory of 2336	1368	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp	87
PID 1368 wrote to memory of 1452	1368	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp	89
PID 1368 wrote to memory of 1452	1368	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp	89
PID 1368 wrote to memory of 1452	1368	545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp	89
PID 2336 wrote to memory of 932	2336	net.exe	90
PID 2336 wrote to memory of 932	2336	net.exe	90
PID 2336 wrote to memory of 932	2336	net.exe	90

C:\Users\Admin\AppData\Local\Temp\545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.exe
"C:\Users\Admin\AppData\Local\Temp\545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Users\Admin\AppData\Local\Temp\is-AQPQA.tmp\545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-AQPQA.tmp\545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp" /SL5="$A0068,5890217,56832,C:\Users\Admin\AppData\Local\Temp\545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1368
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause cut_movie_1173
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2336
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause cut_movie_1173
      4⤵
      System Location Discovery: System Language Discovery
      PID:932
- - C:\Users\Admin\AppData\Local\Cut Movie 2020.3.34\cutmovie32.exe
    "C:\Users\Admin\AppData\Local\Cut Movie 2020.3.34\cutmovie32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

cutmovie32.exe

Path C:\Users\Admin\AppData\Local\Cut Movie 2020.3.34\cutmovie32.exe
Size 3.6MB
SHA256 baca49f9561d7cf0e760acf01431fe58259fe1b6a9fbfe974d455f4e4b204416
MD5 818901e977eecec84539cb763fc7fde9
SHA1 f4bd5c72fd2f5b6c5150504e2c75518b3f96c8cc
SHA512 a20e1a69b2841a1bae2d7ab3961b59649b103ed6523f145b77aad59efae6576c8b3fbea36851e5834b4d0c93930ba0a15b82481498f11f60bfe35436d9497bc8
SSDEEP 49152:YHODwNQ3OOBz9m73JAwnboT8jn0d4vLMv5ci2:uOEQ3OC5m73ewnboT8TDLY5ci
MD5 SHA1 SHA512 SSDEEP

Submit Download

_iscrypt.dll

Path C:\Users\Admin\AppData\Local\Temp\is-5S293.tmp\_isetup\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

Submit Download

545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-AQPQA.tmp\545160402919f25ad903f04124a325695527a66168fdf8094b554554126b1151N.tmp
Size 692KB
SHA256 a943b2d37a1a038079264319d261078bd3fb9508db52d39b90977b242074217a
MD5 8d0efda21efb3632087dfc1e0c453d6b
SHA1 ce9fb5248583d80961c985a786c7fcdf7dec6bf2
SHA512 e5a21d5e57bd4e5b9f4779ce5a22d3d37905fbb84e69d3392b4b314d39abd21dc012c4ef1e7583f3435a7a8390514ffc971bfbdf0fe7a09abe8872c1b014cb57
SSDEEP 12288:UQCCh1TaLSSKrPD37zzH2A6QGgx/nstpq9KgER19zrNidbKgUHayxyF:UQPh1eLSSKrPD37zzH2A6QD/srqggE+X
MD5 SHA1 SHA512 SSDEEP

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memory/1368-84-0x0000000000400000-0x00000000004BD000-memory.dmp

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memory/1368-6-0x0000000000400000-0x00000000004BD000-memory.dmp

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memory/1452-88-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-105-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-81-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-83-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-125-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-122-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-87-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-119-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-91-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-94-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-97-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-100-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-104-0x0000000000A10000-0x0000000000AB2000-memory.dmp

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memory/1452-80-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-112-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-115-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/1452-116-0x0000000000400000-0x00000000007A7000-memory.dmp

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memory/4496-2-0x0000000000401000-0x000000000040B000-memory.dmp

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memory/4496-85-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4496-0-0x0000000000400000-0x0000000000414000-memory.dmp

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