zloader | 8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974

Analysis

max time kernel
138s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
24-05-2022 22:53

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General

Target

8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe
Size

1.0MB
MD5

ea1c4f1656731c8e075fcc06557e71d1
SHA1

81fc93fa20955013e7fcacdde22a9f204dc50459
SHA256

8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974
SHA512

510f37a08724dbc701b1975cc497e503672d19fd4a73ad7668a5d83f001f13219cdc86d3f72bf8714f42ede6da753f5eea175455e732d382ae5ca4f565594d3a

Score

10^/10

zloader new new botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

new

Campaign

new

https://sfturedfyr.xyz/int.php

Attributes

build_id
42

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Huvo = "C:\\Users\\Admin\\AppData\\Roaming\\Qytyr\\ugixhi.exe"	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe

description	pid	process	target process
PID 3892 set thread context of 3956	3892	8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 3956 msiexec.exe
Token: SeSecurityPrivilege 3956 msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	3956	msiexec.exe
Token: SeSecurityPrivilege	3956	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe

description	pid	process	target process
PID 3892 wrote to memory of 3956	3892	8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe	msiexec.exe
PID 3892 wrote to memory of 3956	3892	8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe	msiexec.exe
PID 3892 wrote to memory of 3956	3892	8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe	msiexec.exe
PID 3892 wrote to memory of 3956	3892	8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe	msiexec.exe
PID 3892 wrote to memory of 3956	3892	8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe
"C:\Users\Admin\AppData\Local\Temp\8176f21fb83482ae1e7a723fdc352697795f07d03c30ff68410203127369c974.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3892

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:3956

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

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Downloads

memory/3892-130-0x00000000006A0000-0x00000000006C9000-memory.dmp

Filesize
164KB

Download
memory/3892-131-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download
memory/3956-133-0x0000000000ED0000-0x0000000000EFC000-memory.dmp

Filesize
176KB

Download
memory/3956-132-0x0000000000000000-mapping.dmp

Download
memory/3956-134-0x0000000000ED0000-0x0000000000EFC000-memory.dmp

Filesize
176KB

Download