zloader | 6ffa4cfa0466047e7a320dd9aa57417d14dd9a185306fdecc9a79352d88a682f

General

Target

6ffa4cfa0466047e7a320dd9aa57417d14dd9a185306fdecc9a79352d88a682f.dll
Size

446KB
MD5

a65312552f22156249bac2ddfc8a9811
SHA1

216505bd8e3448436f6fa202e64c0046c3ee4f60
SHA256

6ffa4cfa0466047e7a320dd9aa57417d14dd9a185306fdecc9a79352d88a682f
SHA512

12a69f8e3940724ad203352293c6e8e257305fa6dfa04e961d292be3734233c9c934dc7f0781a93b7c4847709e26cb199c2f24673d22dafdf22ce9cf2986fb4b

Score

10^/10

zloader apr17 spam botnet suricata trojan

Malware Config

Extracted

Family

zloader

Botnet

apr17

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
108

rc4.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata
suricata: ET MALWARE Zbot POST Request to C2
suricata: ET MALWARE Zbot POST Request to C2
suricata

Blocklisted process makes network request 11 IoCs

Processes:

msiexec.exe

flow	pid	process
45	728	msiexec.exe
47	728	msiexec.exe
49	728	msiexec.exe
51	728	msiexec.exe
53	728	msiexec.exe
55	728	msiexec.exe
57	728	msiexec.exe
59	728	msiexec.exe
61	728	msiexec.exe
63	728	msiexec.exe
66	728	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 876 set thread context of 728 876 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 728 msiexec.exe
Token: SeSecurityPrivilege 728 msiexec.exe

description	pid	process	target process
PID 876 set thread context of 728	876	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	728	msiexec.exe
Token: SeSecurityPrivilege	728	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3928 wrote to memory of 876	3928	rundll32.exe	rundll32.exe
PID 3928 wrote to memory of 876	3928	rundll32.exe	rundll32.exe
PID 3928 wrote to memory of 876	3928	rundll32.exe	rundll32.exe
PID 876 wrote to memory of 728	876	rundll32.exe	msiexec.exe
PID 876 wrote to memory of 728	876	rundll32.exe	msiexec.exe
PID 876 wrote to memory of 728	876	rundll32.exe	msiexec.exe
PID 876 wrote to memory of 728	876	rundll32.exe	msiexec.exe
PID 876 wrote to memory of 728	876	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ffa4cfa0466047e7a320dd9aa57417d14dd9a185306fdecc9a79352d88a682f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3928

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6ffa4cfa0466047e7a320dd9aa57417d14dd9a185306fdecc9a79352d88a682f.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:876

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:728

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/728-134-0x0000000000000000-mapping.dmp

Download
memory/728-135-0x0000000000510000-0x0000000000544000-memory.dmp

Filesize
208KB

Download
memory/728-136-0x0000000000510000-0x0000000000544000-memory.dmp

Filesize
208KB

Download
memory/876-130-0x0000000000000000-mapping.dmp

Download
memory/876-132-0x0000000075180000-0x0000000075203000-memory.dmp

Filesize
524KB

Download
memory/876-131-0x0000000075180000-0x00000000751B4000-memory.dmp

Filesize
208KB

Download
memory/876-133-0x0000000075180000-0x0000000075203000-memory.dmp

Filesize
524KB

Download

Analysis

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