0d812586b239b0ce1c4f3f9347386c75e70ab098659c019e100160078b821aa5

General

Target

uncategorized_1.3.9.5.vir.exe
Size

224KB
MD5

6d7e1be96ee8807fa1463389a4243aef
SHA1

b392648e0e1102ef989d63cbc9e489e8ea0aa324
SHA256

0d812586b239b0ce1c4f3f9347386c75e70ab098659c019e100160078b821aa5
SHA512

c18c3369fadee7f04f09092cb3402463ec7c6491b97e3730ee5e539748d3f89953126369165206336a48c22b6174e11a583aaf3dd8e8869ecd01f346b0b7ffe7

Score

8^/10

upx persistence

Malware Config

Signatures

Suspicious use of WriteProcessMemory 74 IoCs

Processes:

uncategorized_1.3.9.5.vir.exeuncategorized_1.3.9.5.vir.exeyfasu.exeyfasu.exe

description	pid	process	target process
PID 1108 wrote to memory of 1280	1108	uncategorized_1.3.9.5.vir.exe	iexplore.exe
PID 1108 wrote to memory of 1280	1108	uncategorized_1.3.9.5.vir.exe	iexplore.exe
PID 1108 wrote to memory of 1280	1108	uncategorized_1.3.9.5.vir.exe	iexplore.exe
PID 1108 wrote to memory of 1280	1108	uncategorized_1.3.9.5.vir.exe	iexplore.exe
PID 1108 wrote to memory of 1280	1108	uncategorized_1.3.9.5.vir.exe	iexplore.exe
PID 1108 wrote to memory of 1280	1108	uncategorized_1.3.9.5.vir.exe	iexplore.exe
PID 1108 wrote to memory of 1280	1108	uncategorized_1.3.9.5.vir.exe	iexplore.exe
PID 1108 wrote to memory of 1280	1108	uncategorized_1.3.9.5.vir.exe	iexplore.exe
PID 1108 wrote to memory of 1432	1108	uncategorized_1.3.9.5.vir.exe	uncategorized_1.3.9.5.vir.exe
PID 1108 wrote to memory of 1432	1108	uncategorized_1.3.9.5.vir.exe	uncategorized_1.3.9.5.vir.exe
PID 1108 wrote to memory of 1432	1108	uncategorized_1.3.9.5.vir.exe	uncategorized_1.3.9.5.vir.exe
PID 1108 wrote to memory of 1432	1108	uncategorized_1.3.9.5.vir.exe	uncategorized_1.3.9.5.vir.exe
PID 1108 wrote to memory of 1432	1108	uncategorized_1.3.9.5.vir.exe	uncategorized_1.3.9.5.vir.exe
PID 1108 wrote to memory of 1432	1108	uncategorized_1.3.9.5.vir.exe	uncategorized_1.3.9.5.vir.exe
PID 1108 wrote to memory of 1432	1108	uncategorized_1.3.9.5.vir.exe	uncategorized_1.3.9.5.vir.exe
PID 1108 wrote to memory of 1432	1108	uncategorized_1.3.9.5.vir.exe	uncategorized_1.3.9.5.vir.exe
PID 1108 wrote to memory of 1432	1108	uncategorized_1.3.9.5.vir.exe	uncategorized_1.3.9.5.vir.exe
PID 1432 wrote to memory of 912	1432	uncategorized_1.3.9.5.vir.exe	yfasu.exe
PID 1432 wrote to memory of 912	1432	uncategorized_1.3.9.5.vir.exe	yfasu.exe
PID 1432 wrote to memory of 912	1432	uncategorized_1.3.9.5.vir.exe	yfasu.exe
PID 1432 wrote to memory of 912	1432	uncategorized_1.3.9.5.vir.exe	yfasu.exe
PID 912 wrote to memory of 744	912	yfasu.exe	yfasu.exe
PID 912 wrote to memory of 744	912	yfasu.exe	yfasu.exe
PID 912 wrote to memory of 744	912	yfasu.exe	yfasu.exe
PID 912 wrote to memory of 744	912	yfasu.exe	yfasu.exe
PID 912 wrote to memory of 744	912	yfasu.exe	yfasu.exe
PID 912 wrote to memory of 744	912	yfasu.exe	yfasu.exe
PID 912 wrote to memory of 744	912	yfasu.exe	yfasu.exe
PID 912 wrote to memory of 744	912	yfasu.exe	yfasu.exe
PID 912 wrote to memory of 744	912	yfasu.exe	yfasu.exe
PID 1432 wrote to memory of 1656	1432	uncategorized_1.3.9.5.vir.exe	cmd.exe
PID 1432 wrote to memory of 1656	1432	uncategorized_1.3.9.5.vir.exe	cmd.exe
PID 1432 wrote to memory of 1656	1432	uncategorized_1.3.9.5.vir.exe	cmd.exe
PID 1432 wrote to memory of 1656	1432	uncategorized_1.3.9.5.vir.exe	cmd.exe
PID 744 wrote to memory of 1140	744	yfasu.exe	taskhost.exe
PID 744 wrote to memory of 1140	744	yfasu.exe	taskhost.exe
PID 744 wrote to memory of 1140	744	yfasu.exe	taskhost.exe
PID 744 wrote to memory of 1140	744	yfasu.exe	taskhost.exe
PID 744 wrote to memory of 1140	744	yfasu.exe	taskhost.exe
PID 744 wrote to memory of 1236	744	yfasu.exe	Dwm.exe
PID 744 wrote to memory of 1236	744	yfasu.exe	Dwm.exe
PID 744 wrote to memory of 1236	744	yfasu.exe	Dwm.exe
PID 744 wrote to memory of 1236	744	yfasu.exe	Dwm.exe
PID 744 wrote to memory of 1236	744	yfasu.exe	Dwm.exe
PID 744 wrote to memory of 1284	744	yfasu.exe	Explorer.EXE
PID 744 wrote to memory of 1284	744	yfasu.exe	Explorer.EXE
PID 744 wrote to memory of 1284	744	yfasu.exe	Explorer.EXE
PID 744 wrote to memory of 1284	744	yfasu.exe	Explorer.EXE
PID 744 wrote to memory of 1284	744	yfasu.exe	Explorer.EXE
PID 744 wrote to memory of 1280	744	yfasu.exe	iexplore.exe
PID 744 wrote to memory of 1280	744	yfasu.exe	iexplore.exe
PID 744 wrote to memory of 1280	744	yfasu.exe	iexplore.exe
PID 744 wrote to memory of 1280	744	yfasu.exe	iexplore.exe
PID 744 wrote to memory of 1280	744	yfasu.exe	iexplore.exe
PID 744 wrote to memory of 1448	744	yfasu.exe	DllHost.exe
PID 744 wrote to memory of 1448	744	yfasu.exe	DllHost.exe
PID 744 wrote to memory of 1448	744	yfasu.exe	DllHost.exe
PID 744 wrote to memory of 1448	744	yfasu.exe	DllHost.exe
PID 744 wrote to memory of 1448	744	yfasu.exe	DllHost.exe
PID 744 wrote to memory of 1312	744	yfasu.exe	DllHost.exe
PID 744 wrote to memory of 1312	744	yfasu.exe	DllHost.exe
PID 744 wrote to memory of 1312	744	yfasu.exe	DllHost.exe
PID 744 wrote to memory of 1312	744	yfasu.exe	DllHost.exe
PID 744 wrote to memory of 1312	744	yfasu.exe	DllHost.exe

Loads dropped DLL 2 IoCs

Processes:

uncategorized_1.3.9.5.vir.exe

pid process

1432 uncategorized_1.3.9.5.vir.exe
1432 uncategorized_1.3.9.5.vir.exe
Executes dropped EXE 2 IoCs

Processes:

yfasu.exeyfasu.exe

pid process

912 yfasu.exe
744 yfasu.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

WinMail.exe

pid process

1372 WinMail.exe

pid	process
1432	uncategorized_1.3.9.5.vir.exe
1432	uncategorized_1.3.9.5.vir.exe

pid	process
912	yfasu.exe
744	yfasu.exe

pid	process
1372	WinMail.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

yfasu.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\Currentversion\Run	yfasu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\{C9B9A6C8-9AB2-8B50-FBB1-A8107B687D89} = "C:\\Users\\Admin\\AppData\\Roaming\\Oladzy\\yfasu.exe"	yfasu.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

uncategorized_1.3.9.5.vir.exeyfasu.exeyfasu.exe

pid	process
1108	uncategorized_1.3.9.5.vir.exe
1108	uncategorized_1.3.9.5.vir.exe
1108	uncategorized_1.3.9.5.vir.exe
912	yfasu.exe
912	yfasu.exe
912	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe
744	yfasu.exe

NTFS ADS 1 IoCs

Processes:

WinMail.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Local Folders\Inbox\0CD231D9-00000001.eml:OECustomProperty	WinMail.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

uncategorized_1.3.9.5.vir.exeyfasu.exeWinMail.exe

pid process

1108 uncategorized_1.3.9.5.vir.exe
1108 uncategorized_1.3.9.5.vir.exe
912 yfasu.exe
912 yfasu.exe
1372 WinMail.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Internet Explorer\Privacy	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	iexplore.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

uncategorized_1.3.9.5.vir.exeyfasu.exe

description	pid	process	target process
PID 1108 set thread context of 1280	1108	uncategorized_1.3.9.5.vir.exe	iexplore.exe
PID 1108 set thread context of 1432	1108	uncategorized_1.3.9.5.vir.exe	uncategorized_1.3.9.5.vir.exe
PID 912 set thread context of 744	912	yfasu.exe	yfasu.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

uncategorized_1.3.9.5.vir.exeiexplore.exeWinMail.exe

description	pid	process
Token: SeSecurityPrivilege	1432	uncategorized_1.3.9.5.vir.exe
Token: SeSecurityPrivilege	1280	iexplore.exe
Token: SeSecurityPrivilege	1280	iexplore.exe
Token: SeManageVolumePrivilege	1372	WinMail.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1656 cmd.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

WinMail.exe

pid process

1372 WinMail.exe

pid	process
1656	cmd.exe

pid	process
1372	WinMail.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1280-3-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1280-5-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1280-7-0x0000000000400000-0x0000000000414000-memory.dmp	upx

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1140

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1236

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1284

C:\Users\Admin\AppData\Local\Temp\uncategorized_1.3.9.5.vir.exe
"C:\Users\Admin\AppData\Local\Temp\uncategorized_1.3.9.5.vir.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of SetThreadContext
PID:1108

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
PID:1280

C:\Users\Admin\AppData\Local\Temp\uncategorized_1.3.9.5.vir.exe
C:\Users\Admin\AppData\Local\Temp\uncategorized_1.3.9.5.vir.exe
3⤵
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:1432

C:\Users\Admin\AppData\Roaming\Oladzy\yfasu.exe
"C:\Users\Admin\AppData\Roaming\Oladzy\yfasu.exe"
4⤵
- Suspicious use of WriteProcessMemory
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of SetThreadContext
PID:912

C:\Users\Admin\AppData\Roaming\Oladzy\yfasu.exe
C:\Users\Admin\AppData\Roaming\Oladzy\yfasu.exe
5⤵
- Suspicious use of WriteProcessMemory
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:744

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp3758a6b5.bat"
4⤵
- Deletes itself
PID:1656

C:\Program Files\Windows Mail\WinMail.exe
"C:\Program Files\Windows Mail\WinMail.exe" -Embedding
1⤵
- Suspicious use of FindShellTrayWindow
- NTFS ADS
- Suspicious use of SetWindowsHookEx
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SendNotifyMessage
PID:1372

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1448

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1312

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1068

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
1⤵
PID:1644

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

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3758a6b5.bat

Download Submit
C:\Users\Admin\AppData\Roaming\Epodz\zaim.umu

Download Submit
C:\Users\Admin\AppData\Roaming\Oladzy\yfasu.exe

Download Submit
C:\Users\Admin\AppData\Roaming\Oladzy\yfasu.exe

Download Submit
C:\Users\Admin\AppData\Roaming\Oladzy\yfasu.exe

Download Submit
\Users\Admin\AppData\Roaming\Oladzy\yfasu.exe

Download Submit
\Users\Admin\AppData\Roaming\Oladzy\yfasu.exe

Download Submit
memory/744-19-0x000000000041093D-mapping.dmp

Download
memory/912-13-0x0000000000000000-mapping.dmp

Download
memory/912-16-0x0000000003730000-0x0000000003741000-memory.dmp

Filesize
68KB

Download
memory/1108-6-0x00000000037A0000-0x00000000037B1000-memory.dmp

Filesize
68KB

Download
memory/1108-0-0x00000000037A0000-0x00000000037B1000-memory.dmp

Filesize
68KB

Download
memory/1108-2-0x00000000037A0000-0x00000000037B1000-memory.dmp

Filesize
68KB

Download
memory/1108-1-0x00000000037A0000-0x00000000037B1000-memory.dmp

Filesize
68KB

Download
memory/1280-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1280-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1280-4-0x0000000000412110-mapping.dmp

Download
memory/1280-23-0x0000000000412110-mapping.dmp

Download
memory/1280-3-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1372-40-0x0000000003AD0000-0x0000000003AD2000-memory.dmp

Filesize
8KB

Download
memory/1372-50-0x0000000003E60000-0x0000000003E62000-memory.dmp

Filesize
8KB

Download
memory/1372-78-0x00000000020D0000-0x00000000020E0000-memory.dmp

Filesize
64KB

Download
memory/1372-25-0x0000000003880000-0x0000000003980000-memory.dmp

Filesize
1024KB

Download
memory/1372-27-0x0000000003880000-0x0000000003A80000-memory.dmp

Filesize
2.0MB

Download
memory/1372-29-0x0000000003880000-0x0000000003980000-memory.dmp

Filesize
1024KB

Download
memory/1372-30-0x0000000003880000-0x0000000003A80000-memory.dmp

Filesize
2.0MB

Download
memory/1372-31-0x0000000003980000-0x0000000003A80000-memory.dmp

Filesize
1024KB

Download
memory/1372-35-0x0000000003AE0000-0x0000000003AE2000-memory.dmp

Filesize
8KB

Download
memory/1372-36-0x0000000003AF0000-0x0000000003AF2000-memory.dmp

Filesize
8KB

Download
memory/1372-37-0x0000000003AD0000-0x0000000003AD2000-memory.dmp

Filesize
8KB

Download
memory/1372-38-0x0000000003AF0000-0x0000000003AF2000-memory.dmp

Filesize
8KB

Download
memory/1372-39-0x0000000003D50000-0x0000000003D52000-memory.dmp

Filesize
8KB

Download
memory/1372-72-0x0000000002130000-0x0000000002140000-memory.dmp

Filesize
64KB

Download
memory/1372-41-0x0000000003D50000-0x0000000003D52000-memory.dmp

Filesize
8KB

Download
memory/1372-42-0x0000000003AF0000-0x0000000003AF2000-memory.dmp

Filesize
8KB

Download
memory/1372-43-0x0000000003BC0000-0x0000000003BC2000-memory.dmp

Filesize
8KB

Download
memory/1372-44-0x0000000003BE0000-0x0000000003BE2000-memory.dmp

Filesize
8KB

Download
memory/1372-45-0x0000000003B60000-0x0000000003B62000-memory.dmp

Filesize
8KB

Download
memory/1372-46-0x0000000003BB0000-0x0000000003BB2000-memory.dmp

Filesize
8KB

Download
memory/1372-47-0x0000000003EA0000-0x0000000003EA2000-memory.dmp

Filesize
8KB

Download
memory/1372-48-0x0000000004120000-0x0000000004122000-memory.dmp

Filesize
8KB

Download
memory/1372-49-0x0000000003AF0000-0x0000000003AF2000-memory.dmp

Filesize
8KB

Download
memory/1372-70-0x0000000003880000-0x0000000003980000-memory.dmp

Filesize
1024KB

Download
memory/1372-51-0x0000000004100000-0x0000000004102000-memory.dmp

Filesize
8KB

Download
memory/1372-52-0x0000000004630000-0x0000000004632000-memory.dmp

Filesize
8KB

Download
memory/1372-53-0x0000000004640000-0x0000000004642000-memory.dmp

Filesize
8KB

Download
memory/1372-54-0x0000000003BA0000-0x0000000003BA2000-memory.dmp

Filesize
8KB

Download
memory/1372-55-0x0000000004650000-0x0000000004652000-memory.dmp

Filesize
8KB

Download
memory/1372-56-0x0000000004670000-0x0000000004672000-memory.dmp

Filesize
8KB

Download
memory/1372-57-0x0000000003B50000-0x0000000003B52000-memory.dmp

Filesize
8KB

Download
memory/1372-58-0x0000000004690000-0x0000000004692000-memory.dmp

Filesize
8KB

Download
memory/1372-59-0x0000000003BE0000-0x0000000003BE2000-memory.dmp

Filesize
8KB

Download
memory/1372-60-0x0000000004CE0000-0x0000000004CE2000-memory.dmp

Filesize
8KB

Download
memory/1372-61-0x0000000004CD0000-0x0000000004CD2000-memory.dmp

Filesize
8KB

Download
memory/1372-62-0x0000000004CC0000-0x0000000004CC2000-memory.dmp

Filesize
8KB

Download
memory/1372-63-0x0000000004CB0000-0x0000000004CB2000-memory.dmp

Filesize
8KB

Download
memory/1372-64-0x0000000004250000-0x0000000004252000-memory.dmp

Filesize
8KB

Download
memory/1372-65-0x0000000004750000-0x0000000004752000-memory.dmp

Filesize
8KB

Download
memory/1372-66-0x0000000004740000-0x0000000004742000-memory.dmp

Filesize
8KB

Download
memory/1372-67-0x00000000046B0000-0x00000000046B2000-memory.dmp

Filesize
8KB

Download
memory/1372-68-0x00000000046A0000-0x00000000046A2000-memory.dmp

Filesize
8KB

Download
memory/1372-69-0x0000000004260000-0x0000000004262000-memory.dmp

Filesize
8KB

Download
memory/1432-9-0x000000000041093D-mapping.dmp

Download
memory/1432-10-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1432-8-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1656-22-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads