zloader | 60544c6694620488b69e568b15c96b33971dd7343ba63da31f993332852871c2

Analysis

max time kernel
91s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
05-02-2022 15:07

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General

Target

60544c6694620488b69e568b15c96b33971dd7343ba63da31f993332852871c2.dll
Size

172KB
MD5

4a74e2d34230bbc705f39e6943c859d3
SHA1

410c1c03a52dbd56e78b0487ec532e68eb1c64e4
SHA256

60544c6694620488b69e568b15c96b33971dd7343ba63da31f993332852871c2
SHA512

9524e6239046f2b59210a4f7fbce554d073a9f57462c74ef5a4c009c63282e87c32e2b741d772925af0b13984304a0bc9ea0defbcb44022d1db6eebc89a81bef

Score

10^/10

zloader main 05.04.2020 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

05.04.2020

https://knalc.com/sound.php

https://namilh.com/sound.php

https://ronswank.com/sound.php

https://stagolk.com/sound.php

https://mioniough.com/sound.php

https://ergensu.com/sound.php

Attributes

build_id
33

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:

regsvr32.exe

description pid process target process

PID 1928 set thread context of 1056 1928 regsvr32.exe msiexec.exe

description	pid	process	target process
PID 1928 set thread context of 1056	1928	regsvr32.exe	msiexec.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeShutdownPrivilege	4904	svchost.exe
Token: SeCreatePagefilePrivilege	4904	svchost.exe
Token: SeShutdownPrivilege	4904	svchost.exe
Token: SeCreatePagefilePrivilege	4904	svchost.exe
Token: SeShutdownPrivilege	4904	svchost.exe
Token: SeCreatePagefilePrivilege	4904	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 4896 wrote to memory of 1928	4896	regsvr32.exe	regsvr32.exe
PID 4896 wrote to memory of 1928	4896	regsvr32.exe	regsvr32.exe
PID 4896 wrote to memory of 1928	4896	regsvr32.exe	regsvr32.exe
PID 1928 wrote to memory of 1056	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1056	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1056	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1056	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1056	1928	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\60544c6694620488b69e568b15c96b33971dd7343ba63da31f993332852871c2.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4896

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\60544c6694620488b69e568b15c96b33971dd7343ba63da31f993332852871c2.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
PID:1056

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4904

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1056-138-0x0000000000B20000-0x0000000000B51000-memory.dmp

Filesize
196KB

Download
memory/4904-136-0x0000023698AE0000-0x0000023698AF0000-memory.dmp

Filesize
64KB

Download
memory/4904-137-0x000002369AFA0000-0x000002369AFA4000-memory.dmp

Filesize
16KB

Download