zloader | 191bbf8eafbe5dfcf56bb139f36d44724bdb9fd1e708cd29dfd2d7b2b916f9f2

Target

adfde0367ba639980632da58a5444005.dll
Size

429KB
MD5

adfde0367ba639980632da58a5444005
SHA1

451dd7d059eb7fd22bb7bb46e64de0a1436e6dc3
SHA256

191bbf8eafbe5dfcf56bb139f36d44724bdb9fd1e708cd29dfd2d7b2b916f9f2
SHA512

1726d83df12cbd9c2a07322925253053720a65d986b4acbb356240afbbed63589c163c7dacaf9a00242769d32943241af2edc6be7ea80e52ee2b041e1843508e

Score

10^/10

trojan botnet zloader persistence

Malware Config

Extracted

Family

zloader

Botnet

divader

Campaign

xls_spam_2909

https://fqnesas.ru/gate.php

https://fqnvsdaas.su/gate.php

https://fqnvtmqass.ru/gate.php

https://fqnvtcpheas.su/gate.php

https://fqnvtmophfeas.ru/gate.php

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

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

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-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run\Meihon = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Atem\\bagy.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1092 set thread context of 580 1092 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 580 msiexec.exe
Token: SeSecurityPrivilege 580 msiexec.exe

description	pid	process	target process
PID 1092 set thread context of 580	1092	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	580	msiexec.exe
Token: SeSecurityPrivilege	580	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1296 wrote to memory of 1092	1296	rundll32.exe	rundll32.exe
PID 1296 wrote to memory of 1092	1296	rundll32.exe	rundll32.exe
PID 1296 wrote to memory of 1092	1296	rundll32.exe	rundll32.exe
PID 1296 wrote to memory of 1092	1296	rundll32.exe	rundll32.exe
PID 1296 wrote to memory of 1092	1296	rundll32.exe	rundll32.exe
PID 1296 wrote to memory of 1092	1296	rundll32.exe	rundll32.exe
PID 1296 wrote to memory of 1092	1296	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 580	1092	rundll32.exe	msiexec.exe
PID 1092 wrote to memory of 580	1092	rundll32.exe	msiexec.exe
PID 1092 wrote to memory of 580	1092	rundll32.exe	msiexec.exe
PID 1092 wrote to memory of 580	1092	rundll32.exe	msiexec.exe
PID 1092 wrote to memory of 580	1092	rundll32.exe	msiexec.exe
PID 1092 wrote to memory of 580	1092	rundll32.exe	msiexec.exe
PID 1092 wrote to memory of 580	1092	rundll32.exe	msiexec.exe
PID 1092 wrote to memory of 580	1092	rundll32.exe	msiexec.exe
PID 1092 wrote to memory of 580	1092	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\adfde0367ba639980632da58a5444005.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1296

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\adfde0367ba639980632da58a5444005.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:580

Network

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/580-1-0x00000000000F0000-0x0000000000119000-memory.dmp

Filesize
164KB

Download
memory/580-2-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/580-3-0x00000000000F0000-0x0000000000119000-memory.dmp

Filesize
164KB

Download
memory/580-4-0x0000000000000000-mapping.dmp

Download
memory/1092-0-0x0000000000000000-mapping.dmp

Download
memory/1656-5-0x000007FEF83B0000-0x000007FEF862A000-memory.dmp

Filesize
2.5MB

Download