zloader | 47b6fae16a8c59bf1be620cb167e2673af2e0ffa92503fadf101b4bd47132ed5

General

Target

47b6fae16a8c59bf1be620cb167e2673af2e0ffa92503fadf101b4bd47132ed5.dll
Size

257KB
MD5

a36249de66b9789bc13d15e0607ef837
SHA1

b2ec5f094cdfed3d330e634c7cd68f6aca937fd1
SHA256

47b6fae16a8c59bf1be620cb167e2673af2e0ffa92503fadf101b4bd47132ed5
SHA512

9b2bfc147cbf3b26c01faf503a08fd03a890d62eed7c4300b0a640681f93704d27b43beb8671e91711af33366ea306d06c53599fc709aed181f1f2d58c681eab

Score

10^/10

zloader main 2020-06-28 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

2020-06-28

C2

https://glartrot.org/web/data

https://revenapo.org/web/data

https://findulz.com/web/data

https://fredoam.com/web/data

https://loinecs.org/web/data

https://arosora.org/web/data

https://cheneer.org/web/data

https://esplody.org/web/data

Attributes

build_id
18

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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\Esqyat = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Urgi\\ykzay.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 1084 set thread context of 1688 1084 regsvr32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1688 msiexec.exe
Token: SeSecurityPrivilege 1688 msiexec.exe

description	pid	process	target process
PID 1084 set thread context of 1688	1084	regsvr32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1688	msiexec.exe
Token: SeSecurityPrivilege	1688	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 940 wrote to memory of 1084	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1084	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1084	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1084	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1084	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1084	940	regsvr32.exe	regsvr32.exe
PID 940 wrote to memory of 1084	940	regsvr32.exe	regsvr32.exe
PID 1084 wrote to memory of 1688	1084	regsvr32.exe	msiexec.exe
PID 1084 wrote to memory of 1688	1084	regsvr32.exe	msiexec.exe
PID 1084 wrote to memory of 1688	1084	regsvr32.exe	msiexec.exe
PID 1084 wrote to memory of 1688	1084	regsvr32.exe	msiexec.exe
PID 1084 wrote to memory of 1688	1084	regsvr32.exe	msiexec.exe
PID 1084 wrote to memory of 1688	1084	regsvr32.exe	msiexec.exe
PID 1084 wrote to memory of 1688	1084	regsvr32.exe	msiexec.exe
PID 1084 wrote to memory of 1688	1084	regsvr32.exe	msiexec.exe
PID 1084 wrote to memory of 1688	1084	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\47b6fae16a8c59bf1be620cb167e2673af2e0ffa92503fadf101b4bd47132ed5.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:940

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\47b6fae16a8c59bf1be620cb167e2673af2e0ffa92503fadf101b4bd47132ed5.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1688

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/940-54-0x000007FEFBE11000-0x000007FEFBE13000-memory.dmp

Filesize
8KB

Download
memory/1084-55-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download
memory/1084-56-0x0000000000160000-0x00000000001B0000-memory.dmp

Filesize
320KB

Download
memory/1084-60-0x0000000000160000-0x00000000001B0000-memory.dmp

Filesize
320KB

Download
memory/1688-58-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1688-57-0x0000000000150000-0x000000000017C000-memory.dmp

Filesize
176KB

Download
memory/1688-59-0x0000000000150000-0x000000000017C000-memory.dmp

Filesize
176KB

Download
memory/1688-62-0x0000000000150000-0x000000000017C000-memory.dmp

Filesize
176KB

Download

Analysis

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