zloader | 4bffd7619d03a2cf8d32bd987364e883230480db0eb10daa626a00fafcc3d4af | Triage

Analysis

max time kernel
130s
max time network
12s
platform
windows7_x64
resource
win7v20201028
submitted
30-10-2020 07:57

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General

Target

ssf.dll
Size

438KB
MD5

8688f0253256e5c6cfc27a3801e6077b
SHA1

9364679fa1142dd15759fc22ed3d15b65ab447b2
SHA256

1ea43f2b7589f266a7574e987b3a5c80634060fc2d1fe0eae77410c76dea326c
SHA512

e7c6256b57869817dade08cb8ef706fa688e27f1d6cda8894c7bd19e4abf23149d83347d3748f9cee08cb3333282ff295291700484f5b2b3d9834b684b9c7aa9

Score

10^/10

zloader botnet1 new_1 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

Botnet1

Campaign

new_1

C2

https://representis.xyz/noagate.php

https://representis.icu/noagate.php

rc4.plain

Signatures

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 1648 set thread context of 1260 1648 rundll32.exe msiexec.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msiexec.exe

pid process

1260 msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1004 wrote to memory of 1648	1004	rundll32.exe	rundll32.exe
PID 1004 wrote to memory of 1648	1004	rundll32.exe	rundll32.exe
PID 1004 wrote to memory of 1648	1004	rundll32.exe	rundll32.exe
PID 1004 wrote to memory of 1648	1004	rundll32.exe	rundll32.exe
PID 1004 wrote to memory of 1648	1004	rundll32.exe	rundll32.exe
PID 1004 wrote to memory of 1648	1004	rundll32.exe	rundll32.exe
PID 1004 wrote to memory of 1648	1004	rundll32.exe	rundll32.exe
PID 1648 wrote to memory of 1260	1648	rundll32.exe	msiexec.exe
PID 1648 wrote to memory of 1260	1648	rundll32.exe	msiexec.exe
PID 1648 wrote to memory of 1260	1648	rundll32.exe	msiexec.exe
PID 1648 wrote to memory of 1260	1648	rundll32.exe	msiexec.exe
PID 1648 wrote to memory of 1260	1648	rundll32.exe	msiexec.exe
PID 1648 wrote to memory of 1260	1648	rundll32.exe	msiexec.exe
PID 1648 wrote to memory of 1260	1648	rundll32.exe	msiexec.exe
PID 1648 wrote to memory of 1260	1648	rundll32.exe	msiexec.exe
PID 1648 wrote to memory of 1260	1648	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ssf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1004

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ssf.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:1260

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1260-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1260-1-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/1260-3-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/1260-4-0x0000000000000000-mapping.dmp

Download
memory/1648-0-0x0000000000000000-mapping.dmp

Download