zloader | d63088780e90eda6a7ce286d6b190614f0ea6f1f55c6e6e9d6a30260eb84d03c

Resubmissions

08-12-2023 10:29

231208-mjmm7aaf64 10

04-03-2021 12:26

210304-3wfljytl3s 10

Analysis

max time kernel
145s
max time network
147s
platform
windows10_x64
resource
win10v20201028
submitted
04-03-2021 12:26

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General

Target

todxofs.dll
Size

421KB
MD5

f40160b2cfe0667cb4010a400a835a06
SHA1

976c70ede8d10e825cb9e5bd5da0dd2a251bd0e8
SHA256

d63088780e90eda6a7ce286d6b190614f0ea6f1f55c6e6e9d6a30260eb84d03c
SHA512

e919819cdc45b2ed93c69f3f0267698940ee316707f6a722697100bfa79da9d277667c0276f36ba47f62dea8855e18e0e8ffaf5a708b369d73d2961b9fdfc3b4

Score

10^/10

zloader april23fixed april23fixed botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

April23Fixed

Campaign

April23Fixed

http://wmwifbajxxbcxmucxmlc.com/post.php

http://onfovdaqqrwbvdfoqnof.com/post.php

http://cmmxhurildiigqghlryq.com/post.php

http://nmqsmbiabjdnuushksas.com/post.php

http://fvqlkgedqjiqgapudkgq.com/post.php

http://iawfqecrwohcxnhwtofa.com/post.php

http://nlbmfsyplohyaicmxhum.com/post.php

http://snnmnkxdhflwgthqismb.com/post.php

rc4.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader
Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1360 set thread context of 984 1360 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 984 msiexec.exe
Token: SeSecurityPrivilege 984 msiexec.exe

description	pid	process	target process
PID 1360 set thread context of 984	1360	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	984	msiexec.exe
Token: SeSecurityPrivilege	984	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1308 wrote to memory of 1360	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1360	1308	rundll32.exe	rundll32.exe
PID 1308 wrote to memory of 1360	1308	rundll32.exe	rundll32.exe
PID 1360 wrote to memory of 984	1360	rundll32.exe	msiexec.exe
PID 1360 wrote to memory of 984	1360	rundll32.exe	msiexec.exe
PID 1360 wrote to memory of 984	1360	rundll32.exe	msiexec.exe
PID 1360 wrote to memory of 984	1360	rundll32.exe	msiexec.exe
PID 1360 wrote to memory of 984	1360	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\todxofs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\todxofs.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:984

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/984-5-0x0000000000000000-mapping.dmp

Download
memory/984-6-0x0000000000450000-0x0000000000484000-memory.dmp

Filesize
208KB

Download
memory/1360-2-0x0000000000000000-mapping.dmp

Download
memory/1360-3-0x0000000073170000-0x00000000731A4000-memory.dmp

Filesize
208KB

Download
memory/1360-4-0x00000000012D0000-0x00000000012D1000-memory.dmp

Filesize
4KB

Download