zloader | f97954d9c80dbfee223fb704863c5a156912f450eee2d0510af6301dfd919f09

Resubmissions

31-10-2023 09:03

231031-k1gr6aha76 10

07-07-2021 20:04

210707-p9kx8yftcx 10

Analysis

max time kernel
1683s
max time network
1701s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2023 09:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

favicon.dll
Size

646KB
MD5

1d700b208c65ca26efe5fa4be4749569
SHA1

3deeff224b359ca2b28a841a116b84b783206adc
SHA256

f97954d9c80dbfee223fb704863c5a156912f450eee2d0510af6301dfd919f09
SHA512

8c5bcbdf35f4e3ad1177d98b0944b1ec9f407a7bd537af5ecd8e5aad37a67c4c46748bfbe165b4edb6348324e4b97d26a6e1af0007f458c3f697a6757cb05d92
SSDEEP

12288:A1Xiy+UrnWHWzB2nWSgg6Uyan4jN3PMLYHBlIfNGwOF4IurIU+ls:JlUKQgWfg6qkHMOF8IU

Score

10^/10

zloader mk1 mac2 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

mk1

Campaign

mac2

https://dssdffsdf.drld/mm.php

Attributes

build_id
43

rc4.plain

rsa_pubkey.plain

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1328 created 3132	1328	rundll32.exe	43

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 3 IoCs

flow	pid	Process
92	184	msiexec.exe
95	184	msiexec.exe
97	184	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1328 set thread context of 184	1328	rundll32.exe	109

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1328	rundll32.exe
1328	rundll32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1328	rundll32.exe
Token: SeSecurityPrivilege	184	msiexec.exe
Token: SeSecurityPrivilege	184	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 1328	2312	rundll32.exe	88
PID 2312 wrote to memory of 1328	2312	rundll32.exe	88
PID 2312 wrote to memory of 1328	2312	rundll32.exe	88
PID 1328 wrote to memory of 184	1328	rundll32.exe	109
PID 1328 wrote to memory of 184	1328	rundll32.exe	109
PID 1328 wrote to memory of 184	1328	rundll32.exe	109
PID 1328 wrote to memory of 184	1328	rundll32.exe	109
PID 1328 wrote to memory of 184	1328	rundll32.exe	109

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3132
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\favicon.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\favicon.dll,#1
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1328
- C:\Windows\SysWOW64\msiexec.exe
  msiexec.exe
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of AdjustPrivilegeToken
  PID:184

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/184-12-0x0000000001040000-0x000000000106D000-memory.dmp

Filesize
180KB

Download
memory/184-16-0x0000000001040000-0x000000000106D000-memory.dmp

Filesize
180KB

Download
memory/184-17-0x0000000001040000-0x000000000106D000-memory.dmp

Filesize
180KB

Download
memory/1328-0-0x0000000074F40000-0x000000007507F000-memory.dmp

Filesize
1.2MB

Download
memory/1328-1-0x0000000074F40000-0x000000007507F000-memory.dmp

Filesize
1.2MB

Download
memory/1328-2-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Filesize
4KB

Download
memory/1328-3-0x0000000074F40000-0x000000007507F000-memory.dmp

Filesize
1.2MB

Download
memory/1328-4-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Filesize
4KB

Download
memory/1328-13-0x0000000074F40000-0x000000007507F000-memory.dmp

Filesize
1.2MB

Download