zloader | 0bf22b8f9aaef21afe71fcbbea62325e7582dad410b0a537f38a9eb8e6855890

General

Target

scfrd.dll
Size

912KB
MD5

b0f3fa047f6ae39a145fd364f693638e
SHA1

1951696d8aca4a31614bb68f9da392402785e14e
SHA256

0bf22b8f9aaef21afe71fcbbea62325e7582dad410b0a537f38a9eb8e6855890
SHA512

86e4516705380617a9f48b2e1cd7d9e676439398b802eb6047cd478d4b10bf8f4ba20e019f337b01761fa247cd631ccab22851f078089c2e1c61574bca9f5b98

Score

10^/10

zloader kev 26/01 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

kev

Campaign

26/01

C2

https://gadgetswolf.com/post.php

https://homesoapmolds.com/post.php

https://govemedico.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 3 IoCs

Processes:

msiexec.exe

flow pid process

6 1580 msiexec.exe
8 1580 msiexec.exe
10 1580 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 2028 set thread context of 1580 2028 regsvr32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1580 msiexec.exe
Token: SeSecurityPrivilege 1580 msiexec.exe

flow	pid	process
6	1580	msiexec.exe
8	1580	msiexec.exe
10	1580	msiexec.exe

description	pid	process	target process
PID 2028 set thread context of 1580	2028	regsvr32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1580	msiexec.exe
Token: SeSecurityPrivilege	1580	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 1632 wrote to memory of 2028	1632	regsvr32.exe	regsvr32.exe
PID 1632 wrote to memory of 2028	1632	regsvr32.exe	regsvr32.exe
PID 1632 wrote to memory of 2028	1632	regsvr32.exe	regsvr32.exe
PID 1632 wrote to memory of 2028	1632	regsvr32.exe	regsvr32.exe
PID 1632 wrote to memory of 2028	1632	regsvr32.exe	regsvr32.exe
PID 1632 wrote to memory of 2028	1632	regsvr32.exe	regsvr32.exe
PID 1632 wrote to memory of 2028	1632	regsvr32.exe	regsvr32.exe
PID 2028 wrote to memory of 1580	2028	regsvr32.exe	msiexec.exe
PID 2028 wrote to memory of 1580	2028	regsvr32.exe	msiexec.exe
PID 2028 wrote to memory of 1580	2028	regsvr32.exe	msiexec.exe
PID 2028 wrote to memory of 1580	2028	regsvr32.exe	msiexec.exe
PID 2028 wrote to memory of 1580	2028	regsvr32.exe	msiexec.exe
PID 2028 wrote to memory of 1580	2028	regsvr32.exe	msiexec.exe
PID 2028 wrote to memory of 1580	2028	regsvr32.exe	msiexec.exe
PID 2028 wrote to memory of 1580	2028	regsvr32.exe	msiexec.exe
PID 2028 wrote to memory of 1580	2028	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\scfrd.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\scfrd.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:1580

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1580-7-0x0000000000000000-mapping.dmp

Download
memory/1580-9-0x00000000000D0000-0x00000000000F6000-memory.dmp

Filesize
152KB

Download
memory/1632-2-0x000007FEFC1C1000-0x000007FEFC1C3000-memory.dmp

Filesize
8KB

Download
memory/1952-10-0x000007FEF7B10000-0x000007FEF7D8A000-memory.dmp

Filesize
2.5MB

Download
memory/2028-3-0x0000000000000000-mapping.dmp

Download
memory/2028-4-0x0000000076341000-0x0000000076343000-memory.dmp

Filesize
8KB

Download
memory/2028-5-0x0000000001E20000-0x0000000001E46000-memory.dmp

Filesize
152KB

Download
memory/2028-6-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download

Analysis

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