zloader | d9e22bc57b8c36650950d471c47869814e215ed7b92f5a6095b38b411dbf6ce4

General

Target

0SEND4.txt.bin.dll
Size

798KB
MD5

4746a10f3884b8c1855b865adab64038
SHA1

3caa423388eb1314499d27574251365ec5c25e64
SHA256

d9e22bc57b8c36650950d471c47869814e215ed7b92f5a6095b38b411dbf6ce4
SHA512

8b5b56860cf87c969fb9734aa14d8201a2a48a05ceba1416e9b72f49bf4ea988e2c958a8291b95baac2d1d524c96b9c8fa7e6192b2f9211692e62e75d39517b7

Score

10^/10

zloader kev 17/02 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

kev

Campaign

17/02

C2

https://laddyfabs.com/post.php

https://lossvalue.com/post.php

https://despsysgiagrazarin.tk/post.php

https://vestvasori.tk/post.php

rc4.plain

rsa_pubkey.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 8 IoCs

Processes:

msiexec.exe

flow pid process

6 1356 msiexec.exe
7 1356 msiexec.exe
9 1356 msiexec.exe
10 1356 msiexec.exe
12 1356 msiexec.exe
13 1356 msiexec.exe
15 1356 msiexec.exe
16 1356 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1084 set thread context of 1356 1084 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1356 msiexec.exe
Token: SeSecurityPrivilege 1356 msiexec.exe

flow	pid	process
6	1356	msiexec.exe
7	1356	msiexec.exe
9	1356	msiexec.exe
10	1356	msiexec.exe
12	1356	msiexec.exe
13	1356	msiexec.exe
15	1356	msiexec.exe
16	1356	msiexec.exe

description	pid	process	target process
PID 1084 set thread context of 1356	1084	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1356	msiexec.exe
Token: SeSecurityPrivilege	1356	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1684 wrote to memory of 1084	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1084	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1084	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1084	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1084	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1084	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1084	1684	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1356	1084	rundll32.exe	msiexec.exe
PID 1084 wrote to memory of 1356	1084	rundll32.exe	msiexec.exe
PID 1084 wrote to memory of 1356	1084	rundll32.exe	msiexec.exe
PID 1084 wrote to memory of 1356	1084	rundll32.exe	msiexec.exe
PID 1084 wrote to memory of 1356	1084	rundll32.exe	msiexec.exe
PID 1084 wrote to memory of 1356	1084	rundll32.exe	msiexec.exe
PID 1084 wrote to memory of 1356	1084	rundll32.exe	msiexec.exe
PID 1084 wrote to memory of 1356	1084	rundll32.exe	msiexec.exe
PID 1084 wrote to memory of 1356	1084	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0SEND4.txt.bin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0SEND4.txt.bin.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:1356

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1084-2-0x0000000000000000-mapping.dmp

Download
memory/1084-3-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download
memory/1084-4-0x0000000075160000-0x0000000075189000-memory.dmp

Filesize
164KB

Download
memory/1084-5-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/1356-6-0x0000000000000000-mapping.dmp

Download
memory/1356-8-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1624-9-0x000007FEF7C10000-0x000007FEF7E8A000-memory.dmp

Filesize
2.5MB

Download

Analysis

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