zloader | 7888b57934a7de6293d3681f9758f80a2c41f657b36412fcecdb7cde13842b32

General

Target

SecuriteInfo.com.Generic.mg.7cf991f54426be08.24123.dll
Size

509KB
MD5

7cf991f54426be08663dc89930c34f8b
SHA1

810f64b99fb5df9ed99d6c702f4aecc52a3a7df6
SHA256

7888b57934a7de6293d3681f9758f80a2c41f657b36412fcecdb7cde13842b32
SHA512

713a49cc598bc7041f1c0cb1b8fd3a2debaf6bed140944fadf9a8d81e6b6db588d1518b9d3bbb3371962827485eebf40cc9a21e32a3add37c4a26cda20773c03

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

15 1824 msiexec.exe
16 1824 msiexec.exe

flow	pid	process
15	1824	msiexec.exe
16	1824	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\Ebfe = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Aztyl\\gipao.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1732 set thread context of 1824 1732 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1824 msiexec.exe
Token: SeSecurityPrivilege 1824 msiexec.exe

description	pid	process	target process
PID 1732 set thread context of 1824	1732	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1824	msiexec.exe
Token: SeSecurityPrivilege	1824	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3672 wrote to memory of 1732	3672	rundll32.exe	rundll32.exe
PID 3672 wrote to memory of 1732	3672	rundll32.exe	rundll32.exe
PID 3672 wrote to memory of 1732	3672	rundll32.exe	rundll32.exe
PID 1732 wrote to memory of 1824	1732	rundll32.exe	msiexec.exe
PID 1732 wrote to memory of 1824	1732	rundll32.exe	msiexec.exe
PID 1732 wrote to memory of 1824	1732	rundll32.exe	msiexec.exe
PID 1732 wrote to memory of 1824	1732	rundll32.exe	msiexec.exe
PID 1732 wrote to memory of 1824	1732	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.7cf991f54426be08.24123.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3672

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.7cf991f54426be08.24123.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blacklisted process makes network request
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1824

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/1732-0-0x0000000000000000-mapping.dmp

Download
memory/1824-1-0x0000000000490000-0x00000000004B9000-memory.dmp

Filesize
164KB

Download
memory/1824-2-0x0000000000000000-mapping.dmp

Download

Analysis

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