zloader | dbeba2fb33aaba42768a5ed8055cc8ca4009ad1921319f90c78b78d4f0dd9f7b

Analysis

max time kernel
134s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-05-2022 23:37

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General

Target

dbeba2fb33aaba42768a5ed8055cc8ca4009ad1921319f90c78b78d4f0dd9f7b.dll
Size

489KB
MD5

8c293fe05b3af514723a1639810c06a3
SHA1

ac2f7668c7f3049930b52a83585ac479145cd059
SHA256

dbeba2fb33aaba42768a5ed8055cc8ca4009ad1921319f90c78b78d4f0dd9f7b
SHA512

2f8db26e93c54b08944a4080e55595f348090086f849fe427f6f07b17a8a57926b1e0d6481356feb0846af0c01ffbb06122750974d3f80e2ea3c465aab1acc23

Score

10^/10

zloader bot5 bot5 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

bot5

Campaign

bot5

https://militanttra.at/owg.php

Attributes

build_id
15

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yncaory = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Xudar\\kuel.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 4192 set thread context of 3084 4192 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 3084 msiexec.exe
Token: SeSecurityPrivilege 3084 msiexec.exe

description	pid	process	target process
PID 4192 set thread context of 3084	4192	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	3084	msiexec.exe
Token: SeSecurityPrivilege	3084	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 876 wrote to memory of 4192	876	rundll32.exe	rundll32.exe
PID 876 wrote to memory of 4192	876	rundll32.exe	rundll32.exe
PID 876 wrote to memory of 4192	876	rundll32.exe	rundll32.exe
PID 4192 wrote to memory of 3084	4192	rundll32.exe	msiexec.exe
PID 4192 wrote to memory of 3084	4192	rundll32.exe	msiexec.exe
PID 4192 wrote to memory of 3084	4192	rundll32.exe	msiexec.exe
PID 4192 wrote to memory of 3084	4192	rundll32.exe	msiexec.exe
PID 4192 wrote to memory of 3084	4192	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbeba2fb33aaba42768a5ed8055cc8ca4009ad1921319f90c78b78d4f0dd9f7b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:876

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbeba2fb33aaba42768a5ed8055cc8ca4009ad1921319f90c78b78d4f0dd9f7b.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4192

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:3084

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3084-134-0x0000000000000000-mapping.dmp

Download
memory/3084-135-0x0000000000D30000-0x0000000000D5B000-memory.dmp

Filesize
172KB

Download
memory/3084-136-0x0000000000D30000-0x0000000000D5B000-memory.dmp

Filesize
172KB

Download
memory/4192-130-0x0000000000000000-mapping.dmp

Download
memory/4192-131-0x0000000075030000-0x000000007505B000-memory.dmp

Filesize
172KB

Download
memory/4192-132-0x0000000075030000-0x00000000750B0000-memory.dmp

Filesize
512KB

Download
memory/4192-133-0x0000000075030000-0x00000000750B0000-memory.dmp

Filesize
512KB

Download