zloader | 280fedf6fd7e0964222ac9b21bcc289c222c7ea91d7bad6350741bdf8c1f0938

Resubmissions

05-03-2021 05:53

210305-jqn2paptcs 10

24-06-2020 14:54

200624-4a9fpsftlx 10

Analysis

max time kernel
151s
max time network
147s
platform
windows7_x64
resource
win7v20201028
submitted
05-03-2021 05:53

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General

Target

rVuj5bF.bin.dll
Size

403KB
MD5

4e9d3907d80cfe903df735b855d5eaeb
SHA1

3fcc74d0b646e8324f0a4cf4708890a8261f3e84
SHA256

280fedf6fd7e0964222ac9b21bcc289c222c7ea91d7bad6350741bdf8c1f0938
SHA512

672b8b0dd776ff156504e55c171fe035e5aac7b1b48ae785973113648717317eb611acbcc6141c5ab6c0096c4f41c24c335d957afbca1fddcf15dfde9750361f

Score

10^/10

zloader minik 18/06 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

minik

Campaign

18/06

https://neomithirdseman.tk/wp-parsing.php

https://fernmasucsavidi.cf/wp-parsing.php

https://wireborg.com/wp-parsing.php

https://secretele-naturii.xyz/wp-parsing.php

https://legendcoder.com/wp-parsing.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

Blocklisted process makes network request 9 IoCs

Processes:

msiexec.exe

flow	pid	process
8	1552	msiexec.exe
9	1552	msiexec.exe
10	1552	msiexec.exe
11	1552	msiexec.exe
12	1552	msiexec.exe
13	1552	msiexec.exe
15	1552	msiexec.exe
16	1552	msiexec.exe
17	1552	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1808 set thread context of 1552 1808 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1552 msiexec.exe
Token: SeSecurityPrivilege 1552 msiexec.exe

description	pid	process	target process
PID 1808 set thread context of 1552	1808	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1552	msiexec.exe
Token: SeSecurityPrivilege	1552	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 384 wrote to memory of 1808	384	rundll32.exe	rundll32.exe
PID 384 wrote to memory of 1808	384	rundll32.exe	rundll32.exe
PID 384 wrote to memory of 1808	384	rundll32.exe	rundll32.exe
PID 384 wrote to memory of 1808	384	rundll32.exe	rundll32.exe
PID 384 wrote to memory of 1808	384	rundll32.exe	rundll32.exe
PID 384 wrote to memory of 1808	384	rundll32.exe	rundll32.exe
PID 384 wrote to memory of 1808	384	rundll32.exe	rundll32.exe
PID 1808 wrote to memory of 1552	1808	rundll32.exe	msiexec.exe
PID 1808 wrote to memory of 1552	1808	rundll32.exe	msiexec.exe
PID 1808 wrote to memory of 1552	1808	rundll32.exe	msiexec.exe
PID 1808 wrote to memory of 1552	1808	rundll32.exe	msiexec.exe
PID 1808 wrote to memory of 1552	1808	rundll32.exe	msiexec.exe
PID 1808 wrote to memory of 1552	1808	rundll32.exe	msiexec.exe
PID 1808 wrote to memory of 1552	1808	rundll32.exe	msiexec.exe
PID 1808 wrote to memory of 1552	1808	rundll32.exe	msiexec.exe
PID 1808 wrote to memory of 1552	1808	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\rVuj5bF.bin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:384

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\rVuj5bF.bin.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:1552

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/520-9-0x000007FEF7300000-0x000007FEF757A000-memory.dmp

Filesize
2.5MB

Download
memory/1552-6-0x0000000000000000-mapping.dmp

Download
memory/1552-8-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1808-2-0x0000000000000000-mapping.dmp

Download
memory/1808-3-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/1808-4-0x0000000072880000-0x00000000728AB000-memory.dmp

Filesize
172KB

Download
memory/1808-5-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download