zloader | 66ec83aa3631d71cba16fd34d1c0b8669009418a92ba683b8a348cd130150b5b

General

Target

2020-11-27-ZLoader-DLL-example-01.bin.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
Blacklisted process makes network request 6 IoCs

Processes:

msiexec.exe

flow pid process

6 1192 msiexec.exe
8 1192 msiexec.exe
10 1192 msiexec.exe
12 1192 msiexec.exe
14 1192 msiexec.exe
16 1192 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 1928 set thread context of 1192 1928 regsvr32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1192 msiexec.exe
Token: SeSecurityPrivilege 1192 msiexec.exe

flow	pid	process
6	1192	msiexec.exe
8	1192	msiexec.exe
10	1192	msiexec.exe
12	1192	msiexec.exe
14	1192	msiexec.exe
16	1192	msiexec.exe

description	pid	process	target process
PID 1928 set thread context of 1192	1928	regsvr32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1192	msiexec.exe
Token: SeSecurityPrivilege	1192	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 884 wrote to memory of 1928	884	regsvr32.exe	regsvr32.exe
PID 884 wrote to memory of 1928	884	regsvr32.exe	regsvr32.exe
PID 884 wrote to memory of 1928	884	regsvr32.exe	regsvr32.exe
PID 884 wrote to memory of 1928	884	regsvr32.exe	regsvr32.exe
PID 884 wrote to memory of 1928	884	regsvr32.exe	regsvr32.exe
PID 884 wrote to memory of 1928	884	regsvr32.exe	regsvr32.exe
PID 884 wrote to memory of 1928	884	regsvr32.exe	regsvr32.exe
PID 1928 wrote to memory of 1192	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1192	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1192	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1192	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1192	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1192	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1192	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1192	1928	regsvr32.exe	msiexec.exe
PID 1928 wrote to memory of 1192	1928	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2020-11-27-ZLoader-DLL-example-01.bin.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\2020-11-27-ZLoader-DLL-example-01.bin.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blacklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:1192

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1192-4-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/1192-3-0x00000000000D0000-0x00000000000F6000-memory.dmp

Filesize
152KB

Download
memory/1192-5-0x00000000000D0000-0x00000000000F6000-memory.dmp

Filesize
152KB

Download
memory/1192-6-0x0000000000000000-mapping.dmp

Download
memory/1348-7-0x000007FEF7F80000-0x000007FEF81FA000-memory.dmp

Filesize
2.5MB

Download
memory/1928-2-0x0000000000000000-mapping.dmp

Download

Analysis

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