cc59f4e889283e3dff30ef291a50234772901a99168cecc501f86e75dac3b7ef

General

Target

zloader_1.5.4.0.vir.exe
Size

115KB
MD5

c39aabd5a338b76aaf1479baf5b50461
SHA1

b04e684c0d733330d27bd6b456565b26690b49c3
SHA256

cc59f4e889283e3dff30ef291a50234772901a99168cecc501f86e75dac3b7ef
SHA512

b746dae281e43291590eccb9ef15aa10f40bfb527773080054835920432c2926133c19521df3b570d6e89cace0d8d228d6354e0a41f800a8918afd5def0d348f

Score

8^/10

upx

Malware Config

Signatures

Drops startup file 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs cmd.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

zloader_1.5.4.0.vir.exe

pid process

1544 zloader_1.5.4.0.vir.exe
1544 zloader_1.5.4.0.vir.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs	cmd.exe

pid	process
1544	zloader_1.5.4.0.vir.exe
1544	zloader_1.5.4.0.vir.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

zloader_1.5.4.0.vir.exezloader_1.5.4.0.vir.exeiexplore.exe

description	pid	process	target process
PID 1544 wrote to memory of 276	1544	zloader_1.5.4.0.vir.exe	cmd.exe
PID 1544 wrote to memory of 276	1544	zloader_1.5.4.0.vir.exe	cmd.exe
PID 1544 wrote to memory of 276	1544	zloader_1.5.4.0.vir.exe	cmd.exe
PID 1544 wrote to memory of 276	1544	zloader_1.5.4.0.vir.exe	cmd.exe
PID 1544 wrote to memory of 1600	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 1600	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 1600	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 1600	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 800	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 800	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 800	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 800	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 756	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 756	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 756	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 756	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 1104	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 1104	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 1104	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 1104	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe
PID 1044 wrote to memory of 1512	1044	zloader_1.5.4.0.vir.exe	explorer.exe
PID 1044 wrote to memory of 1512	1044	zloader_1.5.4.0.vir.exe	explorer.exe
PID 1044 wrote to memory of 1512	1044	zloader_1.5.4.0.vir.exe	explorer.exe
PID 1044 wrote to memory of 1512	1044	zloader_1.5.4.0.vir.exe	explorer.exe
PID 324 wrote to memory of 1508	324	iexplore.exe	WerFault.exe
PID 324 wrote to memory of 1508	324	iexplore.exe	WerFault.exe
PID 324 wrote to memory of 1508	324	iexplore.exe	WerFault.exe
PID 324 wrote to memory of 1508	324	iexplore.exe	WerFault.exe
PID 1544 wrote to memory of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

zloader_1.5.4.0.vir.exeWerFault.exe

pid process

1544 zloader_1.5.4.0.vir.exe
1508 WerFault.exe
1508 WerFault.exe
1508 WerFault.exe
1508 WerFault.exe

pid	process
1544	zloader_1.5.4.0.vir.exe
1508	WerFault.exe
1508	WerFault.exe
1508	WerFault.exe
1508	WerFault.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

zloader_1.5.4.0.vir.exe

description	pid	process	target process
PID 1544 set thread context of 324	1544	zloader_1.5.4.0.vir.exe	iexplore.exe
PID 1544 set thread context of 1044	1544	zloader_1.5.4.0.vir.exe	zloader_1.5.4.0.vir.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1508 324 WerFault.exe iexplore.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

zloader_1.5.4.0.vir.exe

pid process

1044 zloader_1.5.4.0.vir.exe
1044 zloader_1.5.4.0.vir.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1508 WerFault.exe

pid	pid_target	process	target process
1508	324	WerFault.exe	iexplore.exe

pid	process
1044	zloader_1.5.4.0.vir.exe
1044	zloader_1.5.4.0.vir.exe

description	pid	process
Token: SeDebugPrivilege	1508	WerFault.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/324-1-0x0000000000400000-0x00000000009DC000-memory.dmp	upx
behavioral1/memory/324-3-0x0000000000400000-0x00000000009DC000-memory.dmp	upx

C:\Users\Admin\AppData\Local\Temp\zloader_1.5.4.0.vir.exe
"C:\Users\Admin\AppData\Local\Temp\zloader_1.5.4.0.vir.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
PID:1544

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "C:\Users\Admin\AppData\Local\Temp\zloader_1.5.4.0.vir.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
2⤵
- Drops startup file
PID:276

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
2⤵
PID:1600

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
2⤵
PID:800

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
2⤵
PID:756

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
2⤵
PID:1104

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 324 -s 176
3⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1508

C:\Users\Admin\AppData\Local\Temp\zloader_1.5.4.0.vir.exe
"C:\Users\Admin\AppData\Local\Temp\zloader_1.5.4.0.vir.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
PID:1044

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
3⤵
PID:1512

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/276-0-0x0000000000000000-mapping.dmp

Download
memory/324-1-0x0000000000400000-0x00000000009DC000-memory.dmp

Filesize
5.9MB

Download
memory/324-2-0x000000000040D770-mapping.dmp

Download
memory/324-3-0x0000000000400000-0x00000000009DC000-memory.dmp

Filesize
5.9MB

Download
memory/324-9-0x000000000040D770-mapping.dmp

Download
memory/1044-4-0x0000000000400000-0x0000000000720000-memory.dmp

Filesize
3.1MB

Download
memory/1044-5-0x0000000000401B70-mapping.dmp

Download
memory/1508-6-0x0000000000000000-mapping.dmp

Download
memory/1508-8-0x0000000002140000-0x0000000002151000-memory.dmp

Filesize
68KB

Download
memory/1508-11-0x00000000024D0000-0x00000000024E1000-memory.dmp

Filesize
68KB

Download
memory/1512-7-0x0000000000000000-mapping.dmp

Download
memory/1512-10-0x00000000000D0000-0x0000000000351000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads