zloader | 023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82

Resubmissions

15-11-2023 11:10

231115-m96hzsgb22 10

02-05-2022 23:45

220502-3rtpgaeghq 10

Analysis

max time kernel
99s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
02-05-2022 23:45

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General

Target

023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82.exe
Size

2.6MB
MD5

fb95561e8ed7289d015e945ad470e6db
SHA1

03573bc869701cffd7c96e223633d46b0a23823a
SHA256

023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82
SHA512

2a0bf4048c1a9eca9e13566b1512403b51462c8eb71cfb273225fbc221aa156a3d3eb571fa5328ff2f4e2ef7026b3e8847f0c0a739d8f989ba716efa411821a6

Score

10^/10

zloader pref fpref botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

pref

Campaign

fpref

http://penaz.info/gate.php

http:// advokat-hodonin.info/gate.php

Attributes

build_id
7

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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yrloyc = "C:\\Users\\Admin\\AppData\\Roaming\\Ifaccy\\agryizep.exe"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82.exe

description	pid	process	target process
PID 3804 set thread context of 4576	3804	023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82.exe	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 4576 msiexec.exe
Token: SeSecurityPrivilege 4576 msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	4576	msiexec.exe
Token: SeSecurityPrivilege	4576	msiexec.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82.exe

description	pid	process	target process
PID 3804 wrote to memory of 4576	3804	023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82.exe	msiexec.exe
PID 3804 wrote to memory of 4576	3804	023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82.exe	msiexec.exe
PID 3804 wrote to memory of 4576	3804	023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82.exe	msiexec.exe
PID 3804 wrote to memory of 4576	3804	023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82.exe	msiexec.exe
PID 3804 wrote to memory of 4576	3804	023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82.exe
"C:\Users\Admin\AppData\Local\Temp\023f1ef0cc2c1e055b05ae1ff5bcc6bf2421003dea227aeb6d70c8a525fa3b82.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3804
- C:\Windows\SysWOW64\msiexec.exe
  msiexec.exe
  2⤵
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:4576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3804-130-0x00000000023D0000-0x00000000023FE000-memory.dmp

Filesize
184KB

Download
memory/3804-131-0x0000000000400000-0x000000000069F000-memory.dmp

Filesize
2.6MB

Download
memory/4576-132-0x0000000000000000-mapping.dmp

Download
memory/4576-133-0x0000000000FA0000-0x0000000000FD2000-memory.dmp

Filesize
200KB

Download
memory/4576-134-0x0000000000FA0000-0x0000000000FD2000-memory.dmp

Filesize
200KB

Download