zloader | f97954d9c80dbfee223fb704863c5a156912f450eee2d0510af6301dfd919f09

Analysis

Target

favicon.dll
Size

646KB
MD5

1d700b208c65ca26efe5fa4be4749569
SHA1

3deeff224b359ca2b28a841a116b84b783206adc
SHA256

f97954d9c80dbfee223fb704863c5a156912f450eee2d0510af6301dfd919f09
SHA512

8c5bcbdf35f4e3ad1177d98b0944b1ec9f407a7bd537af5ecd8e5aad37a67c4c46748bfbe165b4edb6348324e4b97d26a6e1af0007f458c3f697a6757cb05d92

Score

10^/10

Family

zloader

Botnet

mk1

Campaign

mac2

https://dssdffsdf.drld/mm.php

rc4.plain

rsa_pubkey.plain

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 3764 created 3008 3764 rundll32.exe Explorer.EXE
Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader
Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 3764 set thread context of 988 3764 rundll32.exe msiexec.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

3764 rundll32.exe
3764 rundll32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

rundll32.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 3764 rundll32.exe
Token: SeSecurityPrivilege 988 msiexec.exe
Token: SeSecurityPrivilege 988 msiexec.exe

description	pid	process	target process
PID 3764 created 3008	3764	rundll32.exe	Explorer.EXE

description	pid	process	target process
PID 3764 set thread context of 988	3764	rundll32.exe	msiexec.exe

pid	process
3764	rundll32.exe
3764	rundll32.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3984 wrote to memory of 3764	3984	rundll32.exe	rundll32.exe
PID 3984 wrote to memory of 3764	3984	rundll32.exe	rundll32.exe
PID 3984 wrote to memory of 3764	3984	rundll32.exe	rundll32.exe
PID 3764 wrote to memory of 988	3764	rundll32.exe	msiexec.exe
PID 3764 wrote to memory of 988	3764	rundll32.exe	msiexec.exe
PID 3764 wrote to memory of 988	3764	rundll32.exe	msiexec.exe
PID 3764 wrote to memory of 988	3764	rundll32.exe	msiexec.exe
PID 3764 wrote to memory of 988	3764	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\favicon.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3984

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:988

memory/988-118-0x0000000000000000-mapping.dmp

Download
memory/988-121-0x0000000002E50000-0x0000000002E7D000-memory.dmp

Filesize
180KB

Download
memory/3764-114-0x0000000000000000-mapping.dmp

Download
memory/3764-116-0x00000000741D0000-0x000000007430F000-memory.dmp

Filesize
1.2MB

Download
memory/3764-115-0x00000000741D0000-0x00000000741FD000-memory.dmp

Filesize
180KB

Download
memory/3764-117-0x0000000002C00000-0x0000000002CAE000-memory.dmp

Filesize
696KB

Download