zloader | 75b24a04b7ddddd036a8e677061e2cd86bc74f147f4b59de463964476db5f003

Resubmissions

05-02-2022 14:14

220205-rkca3acbb4 10

Analysis

max time kernel
149s
max time network
129s
platform
windows7_x64
resource
win7-en-20211208
submitted
05-02-2022 14:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

75b24a04b7ddddd036a8e677061e2cd86bc74f147f4b59de463964476db5f003.dll
Size

448KB
MD5

8159db73e81a064754313a4fd2e066ac
SHA1

658bf787c490baed9fce56f630c3351ad0d1916f
SHA256

75b24a04b7ddddd036a8e677061e2cd86bc74f147f4b59de463964476db5f003
SHA512

0707b6b1a963cd012f59621b7fb94d589fdbec90ea0d296c8ac0dd7e1858956d5f7b21d3a2ac5ad274373dc537af81a93db5cf498b4e0e91f3eee4811535317a

Score

10^/10

zloader april27misha april27misha botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

April27misha

Campaign

April27misha

http://wmwifbajxxbcxmucxmlc.com/post.php

http://onfovdaqqrwbvdfoqnof.com/post.php

http://cmmxhurildiigqghlryq.com/post.php

http://nmqsmbiabjdnuushksas.com/post.php

http://fvqlkgedqjiqgapudkgq.com/post.php

http://iawfqecrwohcxnhwtofa.com/post.php

http://nlbmfsyplohyaicmxhum.com/post.php

http://snnmnkxdhflwgthqismb.com/post.php

Attributes

build_id
123

rc4.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 1 IoCs

Processes:

msiexec.exe

flow pid process

5 524 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1112 set thread context of 524 1112 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 524 msiexec.exe
Token: SeSecurityPrivilege 524 msiexec.exe

flow	pid	process
5	524	msiexec.exe

description	pid	process	target process
PID 1112 set thread context of 524	1112	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	524	msiexec.exe
Token: SeSecurityPrivilege	524	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1456 wrote to memory of 1112	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 1112	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 1112	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 1112	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 1112	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 1112	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 1112	1456	rundll32.exe	rundll32.exe
PID 1112 wrote to memory of 524	1112	rundll32.exe	msiexec.exe
PID 1112 wrote to memory of 524	1112	rundll32.exe	msiexec.exe
PID 1112 wrote to memory of 524	1112	rundll32.exe	msiexec.exe
PID 1112 wrote to memory of 524	1112	rundll32.exe	msiexec.exe
PID 1112 wrote to memory of 524	1112	rundll32.exe	msiexec.exe
PID 1112 wrote to memory of 524	1112	rundll32.exe	msiexec.exe
PID 1112 wrote to memory of 524	1112	rundll32.exe	msiexec.exe
PID 1112 wrote to memory of 524	1112	rundll32.exe	msiexec.exe
PID 1112 wrote to memory of 524	1112	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75b24a04b7ddddd036a8e677061e2cd86bc74f147f4b59de463964476db5f003.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75b24a04b7ddddd036a8e677061e2cd86bc74f147f4b59de463964476db5f003.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1112

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:524

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/524-58-0x00000000000D0000-0x0000000000104000-memory.dmp

Filesize
208KB

Download
memory/524-59-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/524-60-0x00000000000D0000-0x0000000000104000-memory.dmp

Filesize
208KB

Download
memory/524-62-0x00000000000D0000-0x0000000000104000-memory.dmp

Filesize
208KB

Download
memory/1112-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1112-55-0x0000000072610000-0x0000000072644000-memory.dmp

Filesize
208KB

Download
memory/1112-57-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/1112-56-0x0000000072610000-0x0000000073586000-memory.dmp

Filesize
15.5MB

Download