zloader | 630c098ef8211c05e0e68008bcbed6e4402e580e9538817b56084dc301954426

Analysis

max time kernel
124s
max time network
124s
platform
windows7_x64
resource
win7-en-20211208
submitted
01-02-2022 10:15

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General

Target

630c098ef8211c05e0e68008bcbed6e4402e580e9538817b56084dc301954426.dll
Size

238KB
MD5

066f72a55a261f84c8c22bb1a18309e3
SHA1

144cf2e0dde280f287b0b4e634c31c12590e74c3
SHA256

630c098ef8211c05e0e68008bcbed6e4402e580e9538817b56084dc301954426
SHA512

52a9f9e86f5a99117e4d83435553a4dfc49192bef701900dbb01b6eda3b73a286be13378d549b5a7b7c0e75bba1932e20019dfefcbdce4ab023a005698951197

Score

10^/10

zloader mainspam main300k botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

mainspam

Campaign

Main300k

https://basisroot.online/put.php

Attributes

build_id
37

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1760 set thread context of 796	1760	regsvr32.exe	30

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	796	msiexec.exe
Token: SeSecurityPrivilege	796	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1760	1088	regsvr32.exe	27
PID 1088 wrote to memory of 1760	1088	regsvr32.exe	27
PID 1088 wrote to memory of 1760	1088	regsvr32.exe	27
PID 1088 wrote to memory of 1760	1088	regsvr32.exe	27
PID 1088 wrote to memory of 1760	1088	regsvr32.exe	27
PID 1088 wrote to memory of 1760	1088	regsvr32.exe	27
PID 1088 wrote to memory of 1760	1088	regsvr32.exe	27
PID 1760 wrote to memory of 796	1760	regsvr32.exe	30
PID 1760 wrote to memory of 796	1760	regsvr32.exe	30
PID 1760 wrote to memory of 796	1760	regsvr32.exe	30
PID 1760 wrote to memory of 796	1760	regsvr32.exe	30
PID 1760 wrote to memory of 796	1760	regsvr32.exe	30
PID 1760 wrote to memory of 796	1760	regsvr32.exe	30
PID 1760 wrote to memory of 796	1760	regsvr32.exe	30
PID 1760 wrote to memory of 796	1760	regsvr32.exe	30
PID 1760 wrote to memory of 796	1760	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\630c098ef8211c05e0e68008bcbed6e4402e580e9538817b56084dc301954426.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\630c098ef8211c05e0e68008bcbed6e4402e580e9538817b56084dc301954426.dll
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:796

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/796-59-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/796-60-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/796-61-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/796-63-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/1088-53-0x000007FEFBAD1000-0x000007FEFBAD3000-memory.dmp

Filesize
8KB

Download
memory/1760-54-0x0000000075341000-0x0000000075343000-memory.dmp

Filesize
8KB

Download
memory/1760-57-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1760-58-0x00000000007C0000-0x0000000000840000-memory.dmp

Filesize
512KB

Download