zloader | 1ea43f2b7589f266a7574e987b3a5c80634060fc2d1fe0eae77410c76dea326c

Resubmissions

31-10-2023 09:33

231031-ljbegshb67 10

27-10-2022 06:35

221027-hch9zabcd5 10

Analysis

max time kernel
597s
max time network
600s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27-10-2022 06:35

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General

Target

1ea43f2b7589f266a7574e987b3a5c80634060fc2d1fe0eae77410c76dea326c.dll
Size

438KB
MD5

8688f0253256e5c6cfc27a3801e6077b
SHA1

9364679fa1142dd15759fc22ed3d15b65ab447b2
SHA256

1ea43f2b7589f266a7574e987b3a5c80634060fc2d1fe0eae77410c76dea326c
SHA512

e7c6256b57869817dade08cb8ef706fa688e27f1d6cda8894c7bd19e4abf23149d83347d3748f9cee08cb3333282ff295291700484f5b2b3d9834b684b9c7aa9
SSDEEP

12288:/4B8qIBi/bdOcteKcEAUg+tAiYBNnyPEfYIzUY:gBnIBiTxzLADiSnyPlz

Score

10^/10

zloader botnet1 new_1 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

Botnet1

Campaign

new_1

https://representis.xyz/noagate.php

https://representis.icu/noagate.php

Attributes

build_id
1

rc4.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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Couxyb = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Ubuwu\\ukfauwad.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 4556 set thread context of 804 4556 rundll32.exe msiexec.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

msiexec.exe

pid process

804 msiexec.exe
804 msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 804 msiexec.exe
Token: SeSecurityPrivilege 804 msiexec.exe

description	pid	process	target process
PID 4556 set thread context of 804	4556	rundll32.exe	msiexec.exe

pid	process
804	msiexec.exe
804	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	804	msiexec.exe
Token: SeSecurityPrivilege	804	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 4252 wrote to memory of 4556	4252	rundll32.exe	rundll32.exe
PID 4252 wrote to memory of 4556	4252	rundll32.exe	rundll32.exe
PID 4252 wrote to memory of 4556	4252	rundll32.exe	rundll32.exe
PID 4556 wrote to memory of 804	4556	rundll32.exe	msiexec.exe
PID 4556 wrote to memory of 804	4556	rundll32.exe	msiexec.exe
PID 4556 wrote to memory of 804	4556	rundll32.exe	msiexec.exe
PID 4556 wrote to memory of 804	4556	rundll32.exe	msiexec.exe
PID 4556 wrote to memory of 804	4556	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ea43f2b7589f266a7574e987b3a5c80634060fc2d1fe0eae77410c76dea326c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4252

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ea43f2b7589f266a7574e987b3a5c80634060fc2d1fe0eae77410c76dea326c.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4556

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:804

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/804-136-0x0000000000CD0000-0x0000000000CFD000-memory.dmp

Filesize
180KB

Download
memory/804-135-0x0000000000000000-mapping.dmp

Download
memory/804-138-0x0000000000CD0000-0x0000000000CFD000-memory.dmp

Filesize
180KB

Download
memory/804-139-0x0000000000CD0000-0x0000000000CFD000-memory.dmp

Filesize
180KB

Download
memory/4556-132-0x0000000000000000-mapping.dmp

Download
memory/4556-134-0x0000000074DB0000-0x0000000074E36000-memory.dmp

Filesize
536KB

Download
memory/4556-133-0x0000000074DB0000-0x0000000074DDD000-memory.dmp

Filesize
180KB

Download
memory/4556-137-0x0000000074DB0000-0x0000000074E36000-memory.dmp

Filesize
536KB

Download