fe7dc35391c88f2001b6637186c2fa677bb5f1a08cfdafcfc95a1e1fc2f026a9

General

Target

Purchase Order and Sample Drawings.exe
Size

821KB
MD5

3b366485eba8147bf73fc3020d09c947
SHA1

8ddbf9383d58c23a93ec8a24ec77a432ec3d63ac
SHA256

fe7dc35391c88f2001b6637186c2fa677bb5f1a08cfdafcfc95a1e1fc2f026a9
SHA512

b65af6b653626d15208ac66207b44c045b2869ce3c1a1f8214a128e0e204507fc4ab2aa3b3ec288f197cd3081eb4f9ae4eabdf870c2d5980457a559e6bcdf04c

Score

8^/10

persistence spyware

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

$wz$images.exe

pid process

3024 $wz$images.exe
Loads dropped DLL 4 IoCs

Processes:

$wz$images.exe

pid process

3024 $wz$images.exe
3024 $wz$images.exe
3024 $wz$images.exe
3024 $wz$images.exe

pid	process
3024	$wz$images.exe

pid	process
3024	$wz$images.exe
3024	$wz$images.exe
3024	$wz$images.exe
3024	$wz$images.exe

Drops startup file 2 IoCs

Processes:

Purchase Order and Sample Drawings.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\programs.bat	Purchase Order and Sample Drawings.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\programs.bat:start	Purchase Order and Sample Drawings.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

WerFault.exeWerFault.exe

pid	process
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
3384	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe
1668	WerFault.exe

NTFS ADS 1 IoCs

Processes:

Purchase Order and Sample Drawings.exe

description ioc process

File created C:\ProgramData:ApplicationData Purchase Order and Sample Drawings.exe

description	ioc	process
File created	C:\ProgramData:ApplicationData	Purchase Order and Sample Drawings.exe

Adds Run entry to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Purchase Order and Sample Drawings.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\$wz$Images = "C:\\ProgramData\\$wz$images.exe"	Purchase Order and Sample Drawings.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Purchase Order and Sample Drawings.exe$wz$images.exe

description	pid	process	target process
PID 1484 wrote to memory of 2752	1484	Purchase Order and Sample Drawings.exe	powershell.exe
PID 1484 wrote to memory of 2752	1484	Purchase Order and Sample Drawings.exe	powershell.exe
PID 1484 wrote to memory of 2752	1484	Purchase Order and Sample Drawings.exe	powershell.exe
PID 1484 wrote to memory of 3024	1484	Purchase Order and Sample Drawings.exe	$wz$images.exe
PID 1484 wrote to memory of 3024	1484	Purchase Order and Sample Drawings.exe	$wz$images.exe
PID 1484 wrote to memory of 3024	1484	Purchase Order and Sample Drawings.exe	$wz$images.exe
PID 3024 wrote to memory of 380	3024	$wz$images.exe	powershell.exe
PID 3024 wrote to memory of 380	3024	$wz$images.exe	powershell.exe
PID 3024 wrote to memory of 380	3024	$wz$images.exe	powershell.exe
PID 3024 wrote to memory of 3904	3024	$wz$images.exe	cmd.exe
PID 3024 wrote to memory of 3904	3024	$wz$images.exe	cmd.exe
PID 3024 wrote to memory of 3904	3024	$wz$images.exe	cmd.exe
PID 3024 wrote to memory of 3904	3024	$wz$images.exe	cmd.exe
PID 3024 wrote to memory of 3904	3024	$wz$images.exe	cmd.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3384 2752 WerFault.exe powershell.exe
1668 380 WerFault.exe powershell.exe

pid	pid_target	process	target process
3384	2752	WerFault.exe	powershell.exe
1668	380	WerFault.exe	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

WerFault.exeWerFault.exe

description	pid	process
Token: SeRestorePrivilege	3384	WerFault.exe
Token: SeBackupPrivilege	3384	WerFault.exe
Token: SeDebugPrivilege	3384	WerFault.exe
Token: SeDebugPrivilege	1668	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order and Sample Drawings.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order and Sample Drawings.exe"
1⤵
- Drops startup file
- NTFS ADS
- Adds Run entry to start application
- Suspicious use of WriteProcessMemory
PID:1484

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell Add-MpPreference -ExclusionPath C:\
2⤵
PID:2752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 704
3⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:3384

C:\ProgramData\$wz$images.exe
"C:\ProgramData\$wz$images.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3024

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell Add-MpPreference -ExclusionPath C:\
3⤵
PID:380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 380 -s 700
4⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1668

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe"
3⤵
PID:3904

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

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\$wz$images.exe

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C:\ProgramData\$wz$images.exe

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\Users\Admin\AppData\Local\Temp\freebl3.dll

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\Users\Admin\AppData\Local\Temp\freebl3.dll

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\Users\Admin\AppData\Local\Temp\mozglue.dll

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\Users\Admin\AppData\Local\Temp\msvcp140.dll

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memory/380-60-0x0000000000000000-mapping.dmp

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memory/380-51-0x0000000000000000-mapping.dmp

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memory/380-61-0x0000000000000000-mapping.dmp

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memory/380-59-0x0000000000000000-mapping.dmp

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memory/380-58-0x0000000000000000-mapping.dmp

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memory/380-57-0x0000000000000000-mapping.dmp

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memory/1484-0-0x0000000001E90000-0x0000000001FE4000-memory.dmp

Filesize
1.3MB

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memory/1668-54-0x00000000047C0000-0x00000000047C1000-memory.dmp

Filesize
4KB

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memory/1668-56-0x00000000047C0000-0x00000000047C1000-memory.dmp

Filesize
4KB

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memory/1668-62-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

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memory/1668-53-0x00000000047C0000-0x00000000047C1000-memory.dmp

Filesize
4KB

Download
memory/2752-9-0x0000000000000000-mapping.dmp

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memory/2752-6-0x0000000000000000-mapping.dmp

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memory/2752-11-0x0000000000000000-mapping.dmp

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memory/2752-10-0x0000000000000000-mapping.dmp

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memory/2752-8-0x0000000000000000-mapping.dmp

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memory/2752-7-0x0000000000000000-mapping.dmp

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memory/2752-1-0x0000000000000000-mapping.dmp

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memory/3024-50-0x0000000001290000-0x00000000013E4000-memory.dmp

Filesize
1.3MB

Download
memory/3024-2-0x0000000000000000-mapping.dmp

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memory/3384-13-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

Filesize
4KB

Download
memory/3384-5-0x0000000004980000-0x0000000004981000-memory.dmp

Filesize
4KB

Download
memory/3904-52-0x0000000000000000-mapping.dmp

Download
memory/3904-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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