zloader | 915fcafe990b9110a4e0994d37f8beda66e80aba5174e686bc1d4de13836a7df

Resubmissions

05-02-2022 12:51

220205-p3t8gsbeb2 10

Analysis

max time kernel
149s
max time network
131s
platform
windows7_x64
resource
win7-en-20211208
submitted
05-02-2022 12:51

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General

Target

915fcafe990b9110a4e0994d37f8beda66e80aba5174e686bc1d4de13836a7df.dll
Size

421KB
MD5

897827f98772919254d6b257d8b8fc11
SHA1

3752186f6b38c55aa49aa9cbc895fbbe4328b869
SHA256

915fcafe990b9110a4e0994d37f8beda66e80aba5174e686bc1d4de13836a7df
SHA512

e0a82d23955bbb9716f5fabf6007e9086d466aac2f0606347bf4234e16119bbfe8b9cb45ef3ba7a93acd9f915785245c383f53d1c662dfe2253d26c5f6e92bba

Score

10^/10

zloader april23fixed april23fixed botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

April23Fixed

Campaign

April23Fixed

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
120

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

flow	pid	Process
5	1192	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 1192	2028	rundll32.exe	30

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1192	msiexec.exe
Token: SeSecurityPrivilege	1192	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2028	2024	rundll32.exe	27
PID 2024 wrote to memory of 2028	2024	rundll32.exe	27
PID 2024 wrote to memory of 2028	2024	rundll32.exe	27
PID 2024 wrote to memory of 2028	2024	rundll32.exe	27
PID 2024 wrote to memory of 2028	2024	rundll32.exe	27
PID 2024 wrote to memory of 2028	2024	rundll32.exe	27
PID 2024 wrote to memory of 2028	2024	rundll32.exe	27
PID 2028 wrote to memory of 1192	2028	rundll32.exe	30
PID 2028 wrote to memory of 1192	2028	rundll32.exe	30
PID 2028 wrote to memory of 1192	2028	rundll32.exe	30
PID 2028 wrote to memory of 1192	2028	rundll32.exe	30
PID 2028 wrote to memory of 1192	2028	rundll32.exe	30
PID 2028 wrote to memory of 1192	2028	rundll32.exe	30
PID 2028 wrote to memory of 1192	2028	rundll32.exe	30
PID 2028 wrote to memory of 1192	2028	rundll32.exe	30
PID 2028 wrote to memory of 1192	2028	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\915fcafe990b9110a4e0994d37f8beda66e80aba5174e686bc1d4de13836a7df.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\915fcafe990b9110a4e0994d37f8beda66e80aba5174e686bc1d4de13836a7df.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of AdjustPrivilegeToken
    PID:1192

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1192-59-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/1192-58-0x0000000000090000-0x00000000000C4000-memory.dmp

Filesize
208KB

Download
memory/1192-60-0x0000000000090000-0x00000000000C4000-memory.dmp

Filesize
208KB

Download
memory/1192-62-0x0000000000090000-0x00000000000C4000-memory.dmp

Filesize
208KB

Download
memory/2028-54-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/2028-55-0x0000000072430000-0x0000000072464000-memory.dmp

Filesize
208KB

Download
memory/2028-56-0x0000000072430000-0x00000000733AD000-memory.dmp

Filesize
15.5MB

Download
memory/2028-57-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download