zloader | c5a07a557082018c4b3526b12e681182d7e489ce22e90c2b4f68feae5f93d4d0

Analysis

Target

k.php.dll
Size

554KB
MD5

48f3bf2aad96b4893e873cf82d170f54
SHA1

ef34b6817e4142000cf512ed063fbc2beadf5be8
SHA256

c5a07a557082018c4b3526b12e681182d7e489ce22e90c2b4f68feae5f93d4d0
SHA512

1f7cf4b33257490cab2510644bb27adfec039df43c51ab9f860ebeaddc1f523d15169deb1dda32d0ce02fe19ac842c9dceabe8833df7f0a98748d18e508ccb81

Score

10^/10

Family

zloader

Botnet

kev

Campaign

25/01

https://sadnan.com/post.php

https://www.isds.com.my/post.php

https://nawirifarm.co.ke/post.php

https://dev01.perdiscoo.com/post.php

https://ingenieriaoasisdebc.com/post.php

https://brinitezcresan.gq/post.php

rc4.plain

rsa_pubkey.plain

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

16 192 msiexec.exe
18 192 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 1512 set thread context of 192 1512 regsvr32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 192 msiexec.exe
Token: SeSecurityPrivilege 192 msiexec.exe

flow	pid	process
16	192	msiexec.exe
18	192	msiexec.exe

description	pid	process	target process
PID 1512 set thread context of 192	1512	regsvr32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	192	msiexec.exe
Token: SeSecurityPrivilege	192	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 644 wrote to memory of 1512	644	regsvr32.exe	regsvr32.exe
PID 644 wrote to memory of 1512	644	regsvr32.exe	regsvr32.exe
PID 644 wrote to memory of 1512	644	regsvr32.exe	regsvr32.exe
PID 1512 wrote to memory of 192	1512	regsvr32.exe	msiexec.exe
PID 1512 wrote to memory of 192	1512	regsvr32.exe	msiexec.exe
PID 1512 wrote to memory of 192	1512	regsvr32.exe	msiexec.exe
PID 1512 wrote to memory of 192	1512	regsvr32.exe	msiexec.exe
PID 1512 wrote to memory of 192	1512	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\k.php.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:644

memory/192-5-0x0000000000000000-mapping.dmp

Download
memory/192-6-0x0000000000540000-0x0000000000566000-memory.dmp

Filesize
152KB

Download
memory/1512-2-0x0000000000000000-mapping.dmp

Download
memory/1512-3-0x0000000074300000-0x0000000074326000-memory.dmp

Filesize
152KB

Download
memory/1512-4-0x0000000003320000-0x0000000003321000-memory.dmp

Filesize
4KB

Download