zloader | 97139bbaf34d92df333d9f791d12b11a8a273151edcaecb9ab7ec75bb034552f

General

Target

zloader 2_1.0.12.0.vir.exe
Size

165KB
MD5

fa1a19977598c3f020882a4fa32e04b7
SHA1

c902504f5377c31324e28801a67be6957e41271a
SHA256

97139bbaf34d92df333d9f791d12b11a8a273151edcaecb9ab7ec75bb034552f
SHA512

e8601a99fd078ce1084384205ea301806bafe000196fbef9bb39dbf6bc7c64e7d18bb630c11f101ae6a9776bf59ba5c9c20b1db46627d78db6a2f01912e6b06a

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

Processes:

msiexec.exe

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

Processes:

msiexec.exe

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

Processes:

zloader 2_1.0.12.0.vir.exe

description pid process target process

PID 1032 set thread context of 1808 1032 zloader 2_1.0.12.0.vir.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1808 msiexec.exe
Token: SeSecurityPrivilege 1808 msiexec.exe

description	pid	process	target process
PID 1032 set thread context of 1808	1032	zloader 2_1.0.12.0.vir.exe	msiexec.exe

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

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

zloader 2_1.0.12.0.vir.exe

description	pid	process	target process
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	msiexec.exe
PID 1032 wrote to memory of 1808	1032	zloader 2_1.0.12.0.vir.exe	msiexec.exe

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 Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

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

Filesize
160KB

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

Filesize
4KB

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

Filesize
160KB

Download
memory/1808-3-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads