zloader | 76f4db4f373809a4dba455b3370a049295e711f635fa4c070790e1cb907e31a6

Resubmissions

03-08-2023 07:52

230803-jqkwdsca99 10

27-07-2023 11:24

26-12-2022 13:39

26-12-2022 13:39

26-12-2022 13:38

26-12-2022 13:38

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
26-12-2022 13:39

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General

Target

b89d80ca3f0a5da24b8b768d2d5eb35ca1322f6bc2b01e265465ac95d7d61279.dll
Size

345KB
MD5

adba2ac8f027946da258155b140c068a
SHA1

91b1dceb17403910d7aa9bee1029f11153accff4
SHA256

b89d80ca3f0a5da24b8b768d2d5eb35ca1322f6bc2b01e265465ac95d7d61279
SHA512

356865ecaf00b10af50ec1f7ffdcc89249e1eaf2a1648c970393d7c66359e578ce9d6987f66dc49cb769e36e8ea62c4ff17d6b173bc793b61fa81e11e619229f
SSDEEP

6144:q9xZILKtmfbcPK2U6gRURSxE8efnQe+R+FNHmZ04aR31cdpN0V:q9xZIL1bcPRUrURAOn8gTGCPMwV

Score

10^/10

zloader nut 16/02 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

16/02

https://wewalk.cl/post.php

https://dpack-co.com/post.php

https://dr-mirahmadi.ir/post.php

https://indiaastrologyfoundation.in/post.php

https://metisacademy.ir/post.php

https://lan-samarinda.com/post.php

https://pyouleigorgawimbwans.tk/post.php

Attributes

build_id
351

rc4.plain

rsa_pubkey.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

Blocklisted process makes network request 3 IoCs

flow	pid	Process
7	1216	msiexec.exe
8	1216	msiexec.exe
10	1216	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 1216	1728	rundll32.exe	29

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1216	msiexec.exe
Token: SeSecurityPrivilege	1216	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1728	1292	rundll32.exe	28
PID 1292 wrote to memory of 1728	1292	rundll32.exe	28
PID 1292 wrote to memory of 1728	1292	rundll32.exe	28
PID 1292 wrote to memory of 1728	1292	rundll32.exe	28
PID 1292 wrote to memory of 1728	1292	rundll32.exe	28
PID 1292 wrote to memory of 1728	1292	rundll32.exe	28
PID 1292 wrote to memory of 1728	1292	rundll32.exe	28
PID 1728 wrote to memory of 1216	1728	rundll32.exe	29
PID 1728 wrote to memory of 1216	1728	rundll32.exe	29
PID 1728 wrote to memory of 1216	1728	rundll32.exe	29
PID 1728 wrote to memory of 1216	1728	rundll32.exe	29
PID 1728 wrote to memory of 1216	1728	rundll32.exe	29
PID 1728 wrote to memory of 1216	1728	rundll32.exe	29
PID 1728 wrote to memory of 1216	1728	rundll32.exe	29
PID 1728 wrote to memory of 1216	1728	rundll32.exe	29
PID 1728 wrote to memory of 1216	1728	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b89d80ca3f0a5da24b8b768d2d5eb35ca1322f6bc2b01e265465ac95d7d61279.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b89d80ca3f0a5da24b8b768d2d5eb35ca1322f6bc2b01e265465ac95d7d61279.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of AdjustPrivilegeToken
    PID:1216

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1216-59-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1216-61-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1216-65-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1216-66-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1728-55-0x0000000075881000-0x0000000075883000-memory.dmp

Filesize
8KB

Download
memory/1728-56-0x0000000074E50000-0x0000000074E79000-memory.dmp

Filesize
164KB

Download
memory/1728-57-0x0000000074E50000-0x0000000074F05000-memory.dmp

Filesize
724KB

Download
memory/1728-58-0x0000000074E50000-0x0000000074F05000-memory.dmp

Filesize
724KB

Download
memory/1728-63-0x0000000074E50000-0x0000000074F05000-memory.dmp

Filesize
724KB

Download