zloader | f7310ec9aae872399d2543df307f7935360bd20fca323eabf85ab0a349ee9d40

General

Target

f7310ec9aae872399d2543df307f7935360bd20fca323eabf85ab0a349ee9d40.dll
Size

370KB
MD5

c53f191e6a450b3200714f7159c120bc
SHA1

153d4b0f12e76402a286312a44aea04982ab4371
SHA256

f7310ec9aae872399d2543df307f7935360bd20fca323eabf85ab0a349ee9d40
SHA512

06d5e260aa293b59205285268ea74d2b0cf81c64208d5af87c05d6ecd51696ee29e06261dfc1ecaf68833e8f2b6fab0c1b75547572765aa2ea7b2a08e9a7a989

Score

10^/10

zloader nut 30/11 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

30/11

C2

https://aogmphregion.org.za/construction.php

https://aayanent.com/backups.php

https://eagle-family.co.uk/panel.php

https://khanbuilders.uk/wp-punch.php

https://construbienesjg.com/wp-punch.php

https://despautyajobssooka.ml/wp-smarts.php

Attributes

build_id
257

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 14 IoCs

Processes:

msiexec.exe

flow	pid	process
5	820	msiexec.exe
6	820	msiexec.exe
7	820	msiexec.exe
8	820	msiexec.exe
9	820	msiexec.exe
10	820	msiexec.exe
21	820	msiexec.exe
23	820	msiexec.exe
24	820	msiexec.exe
25	820	msiexec.exe
26	820	msiexec.exe
27	820	msiexec.exe
28	820	msiexec.exe
30	820	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 1552 set thread context of 820 1552 regsvr32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 820 msiexec.exe
Token: SeSecurityPrivilege 820 msiexec.exe

description	pid	process	target process
PID 1552 set thread context of 820	1552	regsvr32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	820	msiexec.exe
Token: SeSecurityPrivilege	820	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 1104 wrote to memory of 1552	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1552	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1552	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1552	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1552	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1552	1104	regsvr32.exe	regsvr32.exe
PID 1104 wrote to memory of 1552	1104	regsvr32.exe	regsvr32.exe
PID 1552 wrote to memory of 820	1552	regsvr32.exe	msiexec.exe
PID 1552 wrote to memory of 820	1552	regsvr32.exe	msiexec.exe
PID 1552 wrote to memory of 820	1552	regsvr32.exe	msiexec.exe
PID 1552 wrote to memory of 820	1552	regsvr32.exe	msiexec.exe
PID 1552 wrote to memory of 820	1552	regsvr32.exe	msiexec.exe
PID 1552 wrote to memory of 820	1552	regsvr32.exe	msiexec.exe
PID 1552 wrote to memory of 820	1552	regsvr32.exe	msiexec.exe
PID 1552 wrote to memory of 820	1552	regsvr32.exe	msiexec.exe
PID 1552 wrote to memory of 820	1552	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f7310ec9aae872399d2543df307f7935360bd20fca323eabf85ab0a349ee9d40.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1104

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\f7310ec9aae872399d2543df307f7935360bd20fca323eabf85ab0a349ee9d40.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:820

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/820-60-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/820-62-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/820-64-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/820-66-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/1104-54-0x000007FEFBD61000-0x000007FEFBD63000-memory.dmp

Filesize
8KB

Download
memory/1552-55-0x0000000074FF1000-0x0000000074FF3000-memory.dmp

Filesize
8KB

Download
memory/1552-57-0x0000000074750000-0x00000000747C2000-memory.dmp

Filesize
456KB

Download
memory/1552-56-0x0000000074750000-0x0000000074776000-memory.dmp

Filesize
152KB

Download
memory/1552-58-0x0000000074750000-0x00000000747C2000-memory.dmp

Filesize
456KB

Download
memory/1552-59-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download

Analysis

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