zloader | af62641d0be903ea60f9e26caf913f886b21460f7ccacab2df809e6de0a72dbf

General

Target

af62641d0be903ea60f9e26caf913f886b21460f7ccacab2df809e6de0a72dbf.dll
Size

454KB
MD5

6a996ad9b92e21065fa2e482281eaa58
SHA1

2c058d0ffd86f97a666e84a24e5be373128ab1d1
SHA256

af62641d0be903ea60f9e26caf913f886b21460f7ccacab2df809e6de0a72dbf
SHA512

ca7c4eb14f41f156af235472d86951ef8deea2c2329452fa89a1a3928482c73aa81664c4862ec4c9b5486ab803d69d67a1e6d7ef5975e9f45cb5c20059f48b95

Score

10^/10

zloader mar31 canada botnet persistence suricata trojan

Malware Config

Extracted

Family

zloader

Botnet

Mar31

Campaign

Canada

C2

http://march262020.best/post.php

http://march262020.club/post.php

http://march262020.com/post.php

http://march262020.live/post.php

http://march262020.network/post.php

http://march262020.online/post.php

http://march262020.site/post.php

http://march262020.store/post.php

http://march262020.tech/post.php

Attributes

build_id
87

rc4.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata

Blocklisted process makes network request 14 IoCs

Processes:

msiexec.exe

flow	pid	process
5	1560	msiexec.exe
7	1560	msiexec.exe
9	1560	msiexec.exe
11	1560	msiexec.exe
13	1560	msiexec.exe
14	1560	msiexec.exe
15	1560	msiexec.exe
16	1560	msiexec.exe
17	1560	msiexec.exe
18	1560	msiexec.exe
20	1560	msiexec.exe
22	1560	msiexec.exe
24	1560	msiexec.exe
26	1560	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-1-5-21-3846991908-3261386348-1409841751-1000\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\Qyehwyo = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Ziolr\\tirofyew.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1512 set thread context of 1560 1512 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 1512 set thread context of 1560	1512	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 1704 wrote to memory of 1512	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1512	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1512	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1512	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1512	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1512	1704	rundll32.exe	rundll32.exe
PID 1704 wrote to memory of 1512	1704	rundll32.exe	rundll32.exe
PID 1512 wrote to memory of 1560	1512	rundll32.exe	msiexec.exe
PID 1512 wrote to memory of 1560	1512	rundll32.exe	msiexec.exe
PID 1512 wrote to memory of 1560	1512	rundll32.exe	msiexec.exe
PID 1512 wrote to memory of 1560	1512	rundll32.exe	msiexec.exe
PID 1512 wrote to memory of 1560	1512	rundll32.exe	msiexec.exe
PID 1512 wrote to memory of 1560	1512	rundll32.exe	msiexec.exe
PID 1512 wrote to memory of 1560	1512	rundll32.exe	msiexec.exe
PID 1512 wrote to memory of 1560	1512	rundll32.exe	msiexec.exe
PID 1512 wrote to memory of 1560	1512	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\af62641d0be903ea60f9e26caf913f886b21460f7ccacab2df809e6de0a72dbf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1704

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\af62641d0be903ea60f9e26caf913f886b21460f7ccacab2df809e6de0a72dbf.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- 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/1512-53-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1512-54-0x00000000001A0000-0x00000000001CD000-memory.dmp

Filesize
180KB

Download
memory/1512-55-0x0000000000230000-0x0000000000260000-memory.dmp

Filesize
192KB

Download
memory/1560-57-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/1560-56-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download
memory/1560-58-0x0000000000090000-0x00000000000C1000-memory.dmp

Filesize
196KB

Download
memory/1560-60-0x0000000000090000-0x00000000000C0000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads