zloader | eafbd21a0f9f082fa2e94e010569d7fa8512d978087c2633d652b865b922465a

General

Target

zloader 2_1.0.8.0.vir.exe
Size

243KB
MD5

8e73a8a4a35ebfcc3e900ec4255cb296
SHA1

21e475e46bc909b91942f564803cd7f90046bb8d
SHA256

eafbd21a0f9f082fa2e94e010569d7fa8512d978087c2633d652b865b922465a
SHA512

facc951d177237088cf316772cb600e0e9f88b4eda2eba43768db55b2e6642e59b059505104010ab4ec3527c6294e7332b36dc50c909bed706d3ce557314efb3

Score

10^/10

persistence trojan botnet zloader

Malware Config

Extracted

Family

zloader

Botnet

uchit

Campaign

plohostuchit

C2

https://oajdasnndkdahm.com/gate.php

https://kdsidsiadsakfsas.com/gate.php

https://jdafiasfjsafahhfs.com/gate.php

https://dasifosafjasfhasf.com/gate.php

https://kasfajfsafhasfhaf.com/gate.php

https://fdsjfjdsfjdsjfdjsfh.com/gate.php

https://fdsjfjdsfjdsdsjajjs.com/gate.php

https://idisaudhasdhasdj.com/gate.php

https://dsjdjsjdsadhasdas.com/gate.php

https://dsdjfhdsufudhjas.com/gate.php

rc4.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader
Blacklisted process makes network request 5 IoCs

Processes:

msiexec.exe

flow pid process

15 1816 msiexec.exe
16 1816 msiexec.exe
17 1816 msiexec.exe
18 1816 msiexec.exe
19 1816 msiexec.exe

flow	pid	process
15	1816	msiexec.exe
16	1816	msiexec.exe
17	1816	msiexec.exe
18	1816	msiexec.exe
19	1816	msiexec.exe

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-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hubaub = "C:\\Users\\Admin\\AppData\\Roaming\\Egbu\\ohbagua.exe"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

zloader 2_1.0.8.0.vir.exe

description pid process target process

PID 1500 set thread context of 1816 1500 zloader 2_1.0.8.0.vir.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1816 msiexec.exe
Token: SeSecurityPrivilege 1816 msiexec.exe

description	pid	process	target process
PID 1500 set thread context of 1816	1500	zloader 2_1.0.8.0.vir.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1816	msiexec.exe
Token: SeSecurityPrivilege	1816	msiexec.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

zloader 2_1.0.8.0.vir.exe

description	pid	process	target process
PID 1500 wrote to memory of 1816	1500	zloader 2_1.0.8.0.vir.exe	msiexec.exe
PID 1500 wrote to memory of 1816	1500	zloader 2_1.0.8.0.vir.exe	msiexec.exe
PID 1500 wrote to memory of 1816	1500	zloader 2_1.0.8.0.vir.exe	msiexec.exe
PID 1500 wrote to memory of 1816	1500	zloader 2_1.0.8.0.vir.exe	msiexec.exe
PID 1500 wrote to memory of 1816	1500	zloader 2_1.0.8.0.vir.exe	msiexec.exe
PID 1500 wrote to memory of 1816	1500	zloader 2_1.0.8.0.vir.exe	msiexec.exe
PID 1500 wrote to memory of 1816	1500	zloader 2_1.0.8.0.vir.exe	msiexec.exe
PID 1500 wrote to memory of 1816	1500	zloader 2_1.0.8.0.vir.exe	msiexec.exe
PID 1500 wrote to memory of 1816	1500	zloader 2_1.0.8.0.vir.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.8.0.vir.exe
"C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.8.0.vir.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1500

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Blacklisted process makes network request
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1816

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1816-0-0x0000000000090000-0x00000000000BA000-memory.dmp

Filesize
168KB

Download
memory/1816-1-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1816-2-0x0000000000090000-0x00000000000BA000-memory.dmp

Filesize
168KB

Download
memory/1816-3-0x0000000000000000-mapping.dmp

Download

Analysis

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