zloader | 8f259e85a4e160edebaaaccad8f92ee1e04b0f8abf888e5b761eee5e9bb073e7

General

Target

66ec83aa3631d71cba16fd34d1c0b8669009418a92ba683b8a348cd130150b5b.dll
Size

262KB
MD5

4a64b13ff53aebbab00504f6655ba846
SHA1

7e75f220f6c9e6be9abd0def54f7d9957540598c
SHA256

66ec83aa3631d71cba16fd34d1c0b8669009418a92ba683b8a348cd130150b5b
SHA512

9ab869872466866f2bade4fe40cc50bfbd1a3475834d8be1719f2d6ec4b61b0e1848021c0a9444e20e2d0097d46c0e2cc25bf90e25802ad96dc02f84d394735e

Score

10^/10

zloader kev 27/11 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

kev

Campaign

27/11

C2

https://hac3r.com/wp-punch.php

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

https://valitec.co/wp-punch.php

https://empresascreciendobien.com/server.php

https://smartat.co/error.php

https://teamearenttopdiaty.ga/wp-smarts.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 12 IoCs

Processes:

msiexec.exe

flow	pid	process
7	1412	msiexec.exe
9	1412	msiexec.exe
10	1412	msiexec.exe
11	1412	msiexec.exe
12	1412	msiexec.exe
13	1412	msiexec.exe
14	1412	msiexec.exe
16	1412	msiexec.exe
18	1412	msiexec.exe
19	1412	msiexec.exe
20	1412	msiexec.exe
21	1412	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 1908 set thread context of 1412 1908 regsvr32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1412 msiexec.exe
Token: SeSecurityPrivilege 1412 msiexec.exe

description	pid	process	target process
PID 1908 set thread context of 1412	1908	regsvr32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1412	msiexec.exe
Token: SeSecurityPrivilege	1412	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 744 wrote to memory of 1908	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1908	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1908	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1908	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1908	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1908	744	regsvr32.exe	regsvr32.exe
PID 744 wrote to memory of 1908	744	regsvr32.exe	regsvr32.exe
PID 1908 wrote to memory of 1412	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1412	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1412	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1412	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1412	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1412	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1412	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1412	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1412	1908	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\66ec83aa3631d71cba16fd34d1c0b8669009418a92ba683b8a348cd130150b5b.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:744

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\66ec83aa3631d71cba16fd34d1c0b8669009418a92ba683b8a348cd130150b5b.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:1412

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/292-10-0x000007FEF7590000-0x000007FEF780A000-memory.dmp

Filesize
2.5MB

Download
memory/744-2-0x000007FEFBC41000-0x000007FEFBC43000-memory.dmp

Filesize
8KB

Download
memory/1412-7-0x0000000000000000-mapping.dmp

Download
memory/1412-9-0x00000000000D0000-0x00000000000F6000-memory.dmp

Filesize
152KB

Download
memory/1908-4-0x0000000075E51000-0x0000000075E53000-memory.dmp

Filesize
8KB

Download
memory/1908-3-0x0000000000000000-mapping.dmp

Download
memory/1908-5-0x00000000748B0000-0x00000000748D6000-memory.dmp

Filesize
152KB

Download
memory/1908-6-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download

Analysis

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