zloader | 0573d56a84aac658edac1e93d08390c1a8378ed2d801b2460ac89a8ef643eb7d

General

Target

SecuriteInfo.com.Variant.Zusy.307926.22904.26447.dll
Size

579KB
MD5

1bd992ee2bddba2ac275719624e52c05
SHA1

97cb4429abb8825772a52edebcbaf06a8f9b5308
SHA256

0573d56a84aac658edac1e93d08390c1a8378ed2d801b2460ac89a8ef643eb7d
SHA512

0d50462d485bad5d62bfc0d4304dfc7fd33621d6546b387c8cd501c9605b49a80c4bc4f3e888592daa359c056ad98553554d6f19382ea9ac3f7efda2406893a5

Score

10^/10

trojan botnet zloader evasion spyware

Malware Config

Signatures

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 1864	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1864	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1864	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1864	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1864	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1864	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1864	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1864	1560	rundll32.exe	msiexec.exe
PID 1560 wrote to memory of 1864	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 1864 msiexec.exe
Token: SeSecurityPrivilege 1864 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 1864 1560 rundll32.exe msiexec.exe

description	pid	process
Token: SeDebugPrivilege	1560	rundll32.exe
Token: SeSecurityPrivilege	1864	msiexec.exe
Token: SeSecurityPrivilege	1864	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 1864	1560	rundll32.exe	msiexec.exe

Blacklisted process makes network request 18 IoCs

Processes:

msiexec.exe

flow	pid	process
8	1864	msiexec.exe
9	1864	msiexec.exe
10	1864	msiexec.exe
11	1864	msiexec.exe
12	1864	msiexec.exe
13	1864	msiexec.exe
15	1864	msiexec.exe
17	1864	msiexec.exe
19	1864	msiexec.exe
21	1864	msiexec.exe
23	1864	msiexec.exe
25	1864	msiexec.exe
26	1864	msiexec.exe
27	1864	msiexec.exe
28	1864	msiexec.exe
29	1864	msiexec.exe
30	1864	msiexec.exe
32	1864	msiexec.exe

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

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

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.Variant.Zusy.307926.22904.26447.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1508

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.307926.22904.26447.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⤵
- Suspicious use of AdjustPrivilegeToken
- Blacklisted process makes network request
- Modifies system certificate store
PID:1864

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

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Downloads

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

Download
memory/1864-1-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/1864-2-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1864-3-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/1864-4-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads