zloader | 455c21fbac342659cd4b5cc162772117cce60f6b59f04dba0dd4327868a428eb

General

Target

SecuriteInfo.com.Win32.Kryptik.HENB.25036.dll
Size

579KB
MD5

08dac5157102790bb1c6d3a65660db37
SHA1

e48fc7a827613aa62fde4c38d239704bfb6d8b95
SHA256

455c21fbac342659cd4b5cc162772117cce60f6b59f04dba0dd4327868a428eb
SHA512

a006c26cdd8da705cbadc9f9837efe4c4feed5ba8dbf5348520a3e66c2c56ab5842c74bdae7ad1cc255a4be0f763325301784190d26bcd7691e43f9f7b2e19de

Score

10^/10

evasion spyware trojan botnet zloader

Malware Config

Signatures

Blacklisted process makes network request 18 IoCs

Processes:

msiexec.exe

flow	pid	process
7	1872	msiexec.exe
8	1872	msiexec.exe
9	1872	msiexec.exe
10	1872	msiexec.exe
11	1872	msiexec.exe
12	1872	msiexec.exe
14	1872	msiexec.exe
16	1872	msiexec.exe
18	1872	msiexec.exe
20	1872	msiexec.exe
22	1872	msiexec.exe
24	1872	msiexec.exe
25	1872	msiexec.exe
26	1872	msiexec.exe
27	1872	msiexec.exe
28	1872	msiexec.exe
29	1872	msiexec.exe
31	1872	msiexec.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	msiexec.exe

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1508 wrote to memory of 1560	1508	rundll32.exe	rundll32.exe
PID 1508 wrote to memory of 1560	1508	rundll32.exe	rundll32.exe
PID 1508 wrote to memory of 1560	1508	rundll32.exe	rundll32.exe
PID 1508 wrote to memory of 1560	1508	rundll32.exe	rundll32.exe
PID 1508 wrote to memory of 1560	1508	rundll32.exe	rundll32.exe
PID 1508 wrote to memory of 1560	1508	rundll32.exe	rundll32.exe
PID 1508 wrote to memory of 1560	1508	rundll32.exe	rundll32.exe
PID 1560 wrote to memory of 1872	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1872	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1872	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1872	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1872	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1872	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1872	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1872	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1872	1560	rundll32.exe	msiexec.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

rundll32.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 1560 rundll32.exe
Token: SeSecurityPrivilege 1872 msiexec.exe
Token: SeSecurityPrivilege 1872 msiexec.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

1560 rundll32.exe
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1560 created 1312 1560 rundll32.exe Explorer.EXE
Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1560 set thread context of 1872 1560 rundll32.exe msiexec.exe

description	pid	process
Token: SeDebugPrivilege	1560	rundll32.exe
Token: SeSecurityPrivilege	1872	msiexec.exe
Token: SeSecurityPrivilege	1872	msiexec.exe

pid	process
1560	rundll32.exe

description	pid	process	target process
PID 1560 created 1312	1560	rundll32.exe	Explorer.EXE

description	pid	process	target process
PID 1560 set thread context of 1872	1560	rundll32.exe	msiexec.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1312

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Kryptik.HENB.25036.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1508

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Kryptik.HENB.25036.dll,#1
3⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
PID:1560

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Blacklisted process makes network request
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
PID:1872

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1560-0-0x0000000000000000-mapping.dmp

Download
memory/1872-1-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/1872-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1872-3-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/1872-4-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads