zloader | 97139bbaf34d92df333d9f791d12b11a8a273151edcaecb9ab7ec75bb034552f

General

Target
zloader 2_1.0.12.0.vir.exe
Size 165KB
Sample200719-brg9blef3e
SHA256 97139bbaf34d92df333d9f791d12b11a8a273151edcaecb9ab7ec75bb034552f
MD5 fa1a19977598c3f020882a4fa32e04b7
SHA1 c902504f5377c31324e28801a67be6957e41271a
SHA512 e8601a99fd078ce1084384205ea301806bafe000196fbef9bb39dbf6bc7c64e7d18bb630c11f101ae6a9776bf59ba5c9c20b1db46627d78db6a2f01912e6b06a
MD5 SHA1 SHA512

Score

10^/10

persistence trojan botnet zloader

Malware Config

Extracted

Family

zloader

Botnet

vlenie2020

Campaign

obnova20

C2

https://dasifosafjasfhasf.com/gate.php
https://kasfajfsafhasfhaf.com/gate.php
https://fdsjfjdsfjdsjfdjsfh.com/gate.php
https://fdsjfjdsfjdsdsjajjs.com/gate.php
https://idisaudhasdhasdj.com/gate.php
https://dsjdjsjdsadhasdas.com/gate.php
https://dsdjfhdsufudhjas.com/gate.php

rc4.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 12 IoCs

flow	pid	Process
9	1808	msiexec.exe
10	1808	msiexec.exe
11	1808	msiexec.exe
12	1808	msiexec.exe
13	1808	msiexec.exe
18	1808	msiexec.exe
20	1808	msiexec.exe
22	1808	msiexec.exe
23	1808	msiexec.exe
24	1808	msiexec.exe
25	1808	msiexec.exe
26	1808	msiexec.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ucheo = "C:\\Users\\Admin\\AppData\\Roaming\\Daedcy\\yfahdo.exe"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1032 set thread context of 1808	1032	zloader 2_1.0.12.0.vir.exe	26

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1808	msiexec.exe
Token: SeSecurityPrivilege	1808	msiexec.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	26
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	26
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	26
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	26
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	26
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	26
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	26
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	26
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	26

C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.12.0.vir.exe
"C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.12.0.vir.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\msiexec.exe
  msiexec.exe
  2⤵
  - Blacklisted process makes network request
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:1808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1808-0-0x0000000000120000-0x0000000000148000-memory.dmp

Download

memory/1808-1-0x00000000000D0000-0x00000000000D1000-memory.dmp

Download

memory/1808-2-0x0000000000120000-0x0000000000148000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads