zloader | ab92b7c54f6fb064001b3dadf306f85efa7344fc9efa88070bbcd91164e80af2

General

Target

SecuriteInfo.com.Generic.mg.900341b737237e8e.6099.dll
Size

506KB
MD5

900341b737237e8e241d50dbfbf11e0d
SHA1

989a6a64f162b09746a7bf36dfb238d5462aca64
SHA256

ab92b7c54f6fb064001b3dadf306f85efa7344fc9efa88070bbcd91164e80af2
SHA512

67acbf22672951cb8b975589a779879b8320b88eb9b7e7655fe076bdeb7f0dc1b7a515fe4e95510a17c4e5f7a117612ca38e7feaa6520b1237cd96a5012c9033

Score

10^/10

zloader bot5 bot5 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

bot5

Campaign

bot5

C2

https://militanttra.at/owg.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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\Koyqe = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Imanuk\\weuby.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1172 set thread context of 1560 1172 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1560 msiexec.exe
Token: SeSecurityPrivilege 1560 msiexec.exe

description	pid	process	target process
PID 1172 set thread context of 1560	1172	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1560	msiexec.exe
Token: SeSecurityPrivilege	1560	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1684 wrote to memory of 1172	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1172	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1172	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1172	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1172	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1172	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1172	1684	rundll32.exe	rundll32.exe
PID 1172 wrote to memory of 1560	1172	rundll32.exe	msiexec.exe
PID 1172 wrote to memory of 1560	1172	rundll32.exe	msiexec.exe
PID 1172 wrote to memory of 1560	1172	rundll32.exe	msiexec.exe
PID 1172 wrote to memory of 1560	1172	rundll32.exe	msiexec.exe
PID 1172 wrote to memory of 1560	1172	rundll32.exe	msiexec.exe
PID 1172 wrote to memory of 1560	1172	rundll32.exe	msiexec.exe
PID 1172 wrote to memory of 1560	1172	rundll32.exe	msiexec.exe
PID 1172 wrote to memory of 1560	1172	rundll32.exe	msiexec.exe
PID 1172 wrote to memory of 1560	1172	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.900341b737237e8e.6099.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.900341b737237e8e.6099.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1172

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1560

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/1172-0-0x0000000000000000-mapping.dmp

Download
memory/1560-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1560-1-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1560-3-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1560-4-0x0000000000000000-mapping.dmp

Download
memory/1584-5-0x000007FEF7080000-0x000007FEF72FA000-memory.dmp

Filesize
2.5MB

Download

Analysis

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