zloader | c55a25514c0d860980e5f13b138ae846b36a783a0fdb52041e3a8c6a22c6f5e2

General

Target

lop.dll
Size

372KB
MD5

bb1272e0e3289985b4578f1b013fa5d5
SHA1

b19802976ff277fd4dd1adb5e950d84a3fcf6cf5
SHA256

c55a25514c0d860980e5f13b138ae846b36a783a0fdb52041e3a8c6a22c6f5e2
SHA512

24cc60455a51a598482f6c1143e9027736dc4c82ca58aa8ae0e3c540006491d5b005284bf32167876ffaa60bedfa114cc59b07faa2b3e87b80b9f08713a18d42

Score

10^/10

zloader kev 21/01 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

kev

Campaign

21/01

C2

https://patatai.com/post.php

https://acquaie.com/post.php

https://noifatemmuce.tk/post.php

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 2 IoCs

Processes:

msiexec.exe

flow pid process

7 756 msiexec.exe
9 756 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 1364 set thread context of 756 1364 regsvr32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 756 msiexec.exe
Token: SeSecurityPrivilege 756 msiexec.exe

flow	pid	process
7	756	msiexec.exe
9	756	msiexec.exe

description	pid	process	target process
PID 1364 set thread context of 756	1364	regsvr32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	756	msiexec.exe
Token: SeSecurityPrivilege	756	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 1968 wrote to memory of 1364	1968	regsvr32.exe	regsvr32.exe
PID 1968 wrote to memory of 1364	1968	regsvr32.exe	regsvr32.exe
PID 1968 wrote to memory of 1364	1968	regsvr32.exe	regsvr32.exe
PID 1968 wrote to memory of 1364	1968	regsvr32.exe	regsvr32.exe
PID 1968 wrote to memory of 1364	1968	regsvr32.exe	regsvr32.exe
PID 1968 wrote to memory of 1364	1968	regsvr32.exe	regsvr32.exe
PID 1968 wrote to memory of 1364	1968	regsvr32.exe	regsvr32.exe
PID 1364 wrote to memory of 756	1364	regsvr32.exe	msiexec.exe
PID 1364 wrote to memory of 756	1364	regsvr32.exe	msiexec.exe
PID 1364 wrote to memory of 756	1364	regsvr32.exe	msiexec.exe
PID 1364 wrote to memory of 756	1364	regsvr32.exe	msiexec.exe
PID 1364 wrote to memory of 756	1364	regsvr32.exe	msiexec.exe
PID 1364 wrote to memory of 756	1364	regsvr32.exe	msiexec.exe
PID 1364 wrote to memory of 756	1364	regsvr32.exe	msiexec.exe
PID 1364 wrote to memory of 756	1364	regsvr32.exe	msiexec.exe
PID 1364 wrote to memory of 756	1364	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\lop.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\lop.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1364

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:756

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/756-7-0x0000000000000000-mapping.dmp

Download
memory/756-9-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/1364-3-0x0000000000000000-mapping.dmp

Download
memory/1364-4-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/1364-5-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download
memory/1364-6-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1636-10-0x000007FEF5E90000-0x000007FEF610A000-memory.dmp

Filesize
2.5MB

Download
memory/1968-2-0x000007FEFB831000-0x000007FEFB833000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing