zloader | 1423053f90855d33858db47f354055b660943104c1c18f848c9b7b415979dc5f

Target

08751be484e1572995ebb085df1c2c6372084d63a64dce7fab28130d79a6ea2d.dll
Size

144KB
MD5

9e9bb42a965b89a9dce86c8b36b24799
SHA1

e2d1161ac7fa3420648ba59f7a5315ed0acb04c2
SHA256

08751be484e1572995ebb085df1c2c6372084d63a64dce7fab28130d79a6ea2d
SHA512

e5ba20e364c96260c821bc61eab51906e2075aa0d3755ef25aabfc8f6f9545452930be42d978d96e3a68e2b92120df4940b276c9872ebf36fa50913523c51ce8

Score

10^/10

zloader main 26.02.2020 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

26.02.2020

https://airnaa.org/sound.php

https://banog.org/sound.php

https://rayonch.org/sound.php

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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\Agdauc = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Baofi\\guce.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 1252 set thread context of 1592 1252 regsvr32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1592 msiexec.exe
Token: SeSecurityPrivilege 1592 msiexec.exe

description	pid	process	target process
PID 1252 set thread context of 1592	1252	regsvr32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1592	msiexec.exe
Token: SeSecurityPrivilege	1592	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 1624 wrote to memory of 1252	1624	regsvr32.exe	regsvr32.exe
PID 1624 wrote to memory of 1252	1624	regsvr32.exe	regsvr32.exe
PID 1624 wrote to memory of 1252	1624	regsvr32.exe	regsvr32.exe
PID 1624 wrote to memory of 1252	1624	regsvr32.exe	regsvr32.exe
PID 1624 wrote to memory of 1252	1624	regsvr32.exe	regsvr32.exe
PID 1624 wrote to memory of 1252	1624	regsvr32.exe	regsvr32.exe
PID 1624 wrote to memory of 1252	1624	regsvr32.exe	regsvr32.exe
PID 1252 wrote to memory of 1592	1252	regsvr32.exe	msiexec.exe
PID 1252 wrote to memory of 1592	1252	regsvr32.exe	msiexec.exe
PID 1252 wrote to memory of 1592	1252	regsvr32.exe	msiexec.exe
PID 1252 wrote to memory of 1592	1252	regsvr32.exe	msiexec.exe
PID 1252 wrote to memory of 1592	1252	regsvr32.exe	msiexec.exe
PID 1252 wrote to memory of 1592	1252	regsvr32.exe	msiexec.exe
PID 1252 wrote to memory of 1592	1252	regsvr32.exe	msiexec.exe
PID 1252 wrote to memory of 1592	1252	regsvr32.exe	msiexec.exe
PID 1252 wrote to memory of 1592	1252	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\08751be484e1572995ebb085df1c2c6372084d63a64dce7fab28130d79a6ea2d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1624

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\08751be484e1572995ebb085df1c2c6372084d63a64dce7fab28130d79a6ea2d.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1252

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1592

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/1252-3-0x0000000000000000-mapping.dmp

Download
memory/1252-4-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download
memory/1592-5-0x0000000000000000-mapping.dmp

Download
memory/1592-7-0x00000000000D0000-0x00000000000F5000-memory.dmp

Filesize
148KB

Download
memory/1624-2-0x000007FEFBDE1000-0x000007FEFBDE3000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General