zloader | b89d80ca3f0a5da24b8b768d2d5eb35ca1322f6bc2b01e265465ac95d7d61279

Resubmissions

26-12-2022 13:26

221226-qp1c1sgb8v 10

30-11-2022 16:32

221130-t2fe6aae9x 10

Analysis

max time kernel
120s
max time network
122s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
26-12-2022 13:26

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Report Analysis Logs

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 27 IoCs

Processes:

msiexec.exe

flow	pid	process
7	1404	msiexec.exe
9	1404	msiexec.exe
26	1404	msiexec.exe
27	1404	msiexec.exe
28	1404	msiexec.exe
29	1404	msiexec.exe
30	1404	msiexec.exe
31	1404	msiexec.exe
32	1404	msiexec.exe
33	1404	msiexec.exe
34	1404	msiexec.exe
35	1404	msiexec.exe
36	1404	msiexec.exe
37	1404	msiexec.exe
38	1404	msiexec.exe
39	1404	msiexec.exe
40	1404	msiexec.exe
41	1404	msiexec.exe
42	1404	msiexec.exe
43	1404	msiexec.exe
45	1404	msiexec.exe
46	1404	msiexec.exe
47	1404	msiexec.exe
48	1404	msiexec.exe
49	1404	msiexec.exe
50	1404	msiexec.exe
52	1404	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 2844 set thread context of 1404 2844 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1404 msiexec.exe
Token: SeSecurityPrivilege 1404 msiexec.exe

description	pid	process	target process
PID 2844 set thread context of 1404	2844	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1404	msiexec.exe
Token: SeSecurityPrivilege	1404	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2484 wrote to memory of 2844	2484	rundll32.exe	rundll32.exe
PID 2484 wrote to memory of 2844	2484	rundll32.exe	rundll32.exe
PID 2484 wrote to memory of 2844	2484	rundll32.exe	rundll32.exe
PID 2844 wrote to memory of 1404	2844	rundll32.exe	msiexec.exe
PID 2844 wrote to memory of 1404	2844	rundll32.exe	msiexec.exe
PID 2844 wrote to memory of 1404	2844	rundll32.exe	msiexec.exe
PID 2844 wrote to memory of 1404	2844	rundll32.exe	msiexec.exe
PID 2844 wrote to memory of 1404	2844	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b89d80ca3f0a5da24b8b768d2d5eb35ca1322f6bc2b01e265465ac95d7d61279.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2484

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:2844

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:1404

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1404-164-0x0000000000D50000-0x0000000000D79000-memory.dmp

Filesize
164KB

Download
memory/1404-231-0x0000000000D50000-0x0000000000D79000-memory.dmp

Filesize
164KB

Download
memory/1404-219-0x0000000000D50000-0x0000000000D79000-memory.dmp

Filesize
164KB

Download
memory/1404-189-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-188-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-187-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-186-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-185-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-184-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-183-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-182-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-181-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-179-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-180-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-178-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-177-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-176-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-175-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-172-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-173-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-168-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-166-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-169-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-170-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/1404-165-0x0000000000000000-mapping.dmp

Download
memory/2844-139-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-144-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-146-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-148-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-149-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-150-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-151-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-152-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-153-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-154-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-155-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-156-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-157-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-158-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-159-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-160-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-162-0x00000000743B0000-0x0000000074465000-memory.dmp

Filesize
724KB

Download
memory/2844-161-0x00000000743B0000-0x00000000743D9000-memory.dmp

Filesize
164KB

Download
memory/2844-163-0x00000000743B0000-0x0000000074465000-memory.dmp

Filesize
724KB

Download
memory/2844-142-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-145-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-167-0x00000000743B0000-0x0000000074465000-memory.dmp

Filesize
724KB

Download
memory/2844-143-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-147-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-141-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-140-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-129-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-137-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-120-0x0000000000000000-mapping.dmp

Download
memory/2844-138-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-136-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-132-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-135-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-134-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-133-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-130-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-131-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-128-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-127-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-126-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-125-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-124-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-123-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-122-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2844-121-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download