zloader | 0b8585bcbc29e0a8f25118bc695cade9fed7a4676f3ea471bf08c869d8c85b63

General

Target

0b8585bcbc29e0a8f25118bc695cade9fed7a4676f3ea471bf08c869d8c85b63.dll
Size

539KB
MD5

329dc85d3b5bc75e478343bb9451fd33
SHA1

f0052900fcb905021c79abf0bd3ab4eba09fb5ce
SHA256

0b8585bcbc29e0a8f25118bc695cade9fed7a4676f3ea471bf08c869d8c85b63
SHA512

c45c0a9f50eb840ec3007e1b40ed9a0d89381c3ce1ca94ad0a169d1b45ae7ef3fe2a77a8ae51ac88b3721845c38b1901d8825623a58ef76020a94f70f51dfc7f

Score

10^/10

zloader apr14 spam botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

Apr14

Campaign

Spam

C2

http://wmwifbajxxbcxmucxmlc.com/post.php

http://ojnxjgfjlftfkkuxxiqd.com/post.php

http://pwkqhdgytsshkoibaake.com/post.php

http://snnmnkxdhflwgthqismb.com/post.php

http://iawfqecrwohcxnhwtofa.com/post.php

http://nlbmfsyplohyaicmxhum.com/post.php

http://fvqlkgedqjiqgapudkgq.com/post.php

http://cmmxhurildiigqghlryq.com/post.php

http://nmqsmbiabjdnuushksas.com/post.php

http://fyratyubvflktyyjiqgq.com/post.php

Attributes

build_id
102

rc4.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 1 IoCs

Processes:

msiexec.exe

flow pid process

5 544 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 864 set thread context of 544 864 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 544 msiexec.exe
Token: SeSecurityPrivilege 544 msiexec.exe

flow	pid	process
5	544	msiexec.exe

description	pid	process	target process
PID 864 set thread context of 544	864	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	544	msiexec.exe
Token: SeSecurityPrivilege	544	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1344 wrote to memory of 864	1344	rundll32.exe	rundll32.exe
PID 1344 wrote to memory of 864	1344	rundll32.exe	rundll32.exe
PID 1344 wrote to memory of 864	1344	rundll32.exe	rundll32.exe
PID 1344 wrote to memory of 864	1344	rundll32.exe	rundll32.exe
PID 1344 wrote to memory of 864	1344	rundll32.exe	rundll32.exe
PID 1344 wrote to memory of 864	1344	rundll32.exe	rundll32.exe
PID 1344 wrote to memory of 864	1344	rundll32.exe	rundll32.exe
PID 864 wrote to memory of 544	864	rundll32.exe	msiexec.exe
PID 864 wrote to memory of 544	864	rundll32.exe	msiexec.exe
PID 864 wrote to memory of 544	864	rundll32.exe	msiexec.exe
PID 864 wrote to memory of 544	864	rundll32.exe	msiexec.exe
PID 864 wrote to memory of 544	864	rundll32.exe	msiexec.exe
PID 864 wrote to memory of 544	864	rundll32.exe	msiexec.exe
PID 864 wrote to memory of 544	864	rundll32.exe	msiexec.exe
PID 864 wrote to memory of 544	864	rundll32.exe	msiexec.exe
PID 864 wrote to memory of 544	864	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0b8585bcbc29e0a8f25118bc695cade9fed7a4676f3ea471bf08c869d8c85b63.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1344

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0b8585bcbc29e0a8f25118bc695cade9fed7a4676f3ea471bf08c869d8c85b63.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:544

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/544-58-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/544-57-0x0000000000090000-0x00000000000C4000-memory.dmp

Filesize
208KB

Download
memory/544-59-0x0000000000090000-0x00000000000C4000-memory.dmp

Filesize
208KB

Download
memory/544-61-0x0000000000090000-0x00000000000C4000-memory.dmp

Filesize
208KB

Download
memory/864-53-0x0000000076151000-0x0000000076153000-memory.dmp

Filesize
8KB

Download
memory/864-54-0x0000000074BB0000-0x0000000074BE4000-memory.dmp

Filesize
208KB

Download
memory/864-55-0x0000000074BB0000-0x0000000074C53000-memory.dmp

Filesize
652KB

Download
memory/864-56-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download

Analysis

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