zloader | ad213eaf7436c9ebd4d1e3fe24ce4963a8d878b1b625198d5c8085c383f580dd

General

Target

ad213eaf7436c9ebd4d1e3fe24ce4963a8d878b1b625198d5c8085c383f580dd_top_dllD23df_xlsp.c1.dll
Size

636KB
MD5

a31735e7cbd08a44f3e06b63f697b44d
SHA1

c7a2b7efa1380039215129968f60afd6ebed05c3
SHA256

ad213eaf7436c9ebd4d1e3fe24ce4963a8d878b1b625198d5c8085c383f580dd
SHA512

7904cdbdb27a4d5fd553558c4bfc578fe0293f5663a5a98a5a4eebadc6f448b1ccc5e97c20e27c8033fd11189a24d5ac585940d98ea7b15137908051134a49c7

Score

10^/10

persistence trojan botnet zloader

Malware Config

Extracted

Family

zloader

Botnet

divader

Campaign

poll

C2

https://fqnceas.su/gate.php

https://fqlocpeas.ru/gate.php

https://dksaiijn.ru/gate.php

https://dksafjasnf.su/gate.php

https://fjsafasfsa.ru/gate.php

https://fjskoijafsa.ru/gate.php

https://kochamkkkras.ru/gate.php

https://uookqihwdid.ru/gate.php

https://iqowijsdakm.ru/gate.php

https://wiewjdmkfjn.ru/gate.php

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
Blacklisted process makes network request 2 IoCs

Processes:

msiexec.exe

flow pid process

12 1480 msiexec.exe
13 1480 msiexec.exe

flow	pid	process
12	1480	msiexec.exe
13	1480	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-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\Seickof = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Loves\\maohucoc.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 2488 set thread context of 1480 2488 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1480 msiexec.exe
Token: SeSecurityPrivilege 1480 msiexec.exe

description	pid	process	target process
PID 2488 set thread context of 1480	2488	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1480	msiexec.exe
Token: SeSecurityPrivilege	1480	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3104 wrote to memory of 2488	3104	rundll32.exe	rundll32.exe
PID 3104 wrote to memory of 2488	3104	rundll32.exe	rundll32.exe
PID 3104 wrote to memory of 2488	3104	rundll32.exe	rundll32.exe
PID 2488 wrote to memory of 1480	2488	rundll32.exe	msiexec.exe
PID 2488 wrote to memory of 1480	2488	rundll32.exe	msiexec.exe
PID 2488 wrote to memory of 1480	2488	rundll32.exe	msiexec.exe
PID 2488 wrote to memory of 1480	2488	rundll32.exe	msiexec.exe
PID 2488 wrote to memory of 1480	2488	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad213eaf7436c9ebd4d1e3fe24ce4963a8d878b1b625198d5c8085c383f580dd_top_dllD23df_xlsp.c1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3104

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ad213eaf7436c9ebd4d1e3fe24ce4963a8d878b1b625198d5c8085c383f580dd_top_dllD23df_xlsp.c1.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2488

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blacklisted process makes network request
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1480

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/1480-1-0x00000000009D0000-0x00000000009F9000-memory.dmp

Filesize
164KB

Download
memory/1480-2-0x0000000000000000-mapping.dmp

Download
memory/2488-0-0x0000000000000000-mapping.dmp

Download

Analysis

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