c1c00f952a38acd5c947b83444fbe0459ab80421c829460557b4a77f9e64a82c

General

Target

c1c00f952a38acd5c947b83444fbe0459ab80421c829460557b4a77f9e64a82c.dll
Size

147KB
MD5

5310b8783635d880c578d7e0a2479322
SHA1

2f5b786dc51e259cc73837670194d181095517cf
SHA256

c1c00f952a38acd5c947b83444fbe0459ab80421c829460557b4a77f9e64a82c
SHA512

8639d7f01bc9a9e59fd8338c606355fab7398e9312fee3f64edd50f211345806896bf0a9916ce5091b4c720e305d205aa0bb217442774e769e2db5dc05aad073
SSDEEP

3072:vklksnOXrQkaS2Zbne9dzL4AJUzEn34lJmkxt3xQmtgNFL4f:vyKQkaSkre9hLgIngJmE3LKFO

Score

10^/10

evasion upx

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "0"	rundll32.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/472-56-0x0000000010000000-0x000000001001C000-memory.dmp	upx
behavioral1/memory/472-63-0x0000000010000000-0x000000001001C000-memory.dmp	upx

Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

File opened (read-only) \??\A: rundll32.exe
File opened (read-only) \??\V: rundll32.exe

description	ioc	process
File opened (read-only)	\??\A:	rundll32.exe
File opened (read-only)	\??\V:	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 28 IoCs

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\NodeSlot = "1"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 74003100000000006b55027d1100557365727300600008000400efbeee3a851a6b55027d2a000000e601000000000100000000000000000036000000000055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4c003100000000006b555786100041646d696e00380008000400efbe6b55027d6b5557862a00000031000000000003000000000000000000000000000000410064006d0069006e00000014000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 52003100000000006b55027d122041707044617461003c0008000400efbe6b55027d6b55027d2a000000eb0100000000020000000000000000000000000000004100700070004400610074006100000016000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

rundll32.exe

pid process

472 rundll32.exe
472 rundll32.exe
472 rundll32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

rundll32.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 472 rundll32.exe
Token: SeShutdownPrivilege 1248 Explorer.EXE
Token: SeShutdownPrivilege 1248 Explorer.EXE
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE
1248 Explorer.EXE
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE

pid	process
472	rundll32.exe
472	rundll32.exe
472	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	472	rundll32.exe
Token: SeShutdownPrivilege	1248	Explorer.EXE
Token: SeShutdownPrivilege	1248	Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE
1248	Explorer.EXE

pid	process
1248	Explorer.EXE

pid	process
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1820 wrote to memory of 472	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 472	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 472	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 472	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 472	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 472	1820	rundll32.exe	rundll32.exe
PID 1820 wrote to memory of 472	1820	rundll32.exe	rundll32.exe
PID 472 wrote to memory of 1248	472	rundll32.exe	Explorer.EXE
PID 472 wrote to memory of 780	472	rundll32.exe	explorer.exe
PID 472 wrote to memory of 780	472	rundll32.exe	explorer.exe
PID 472 wrote to memory of 780	472	rundll32.exe	explorer.exe
PID 472 wrote to memory of 780	472	rundll32.exe	explorer.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
PID:1248

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1c00f952a38acd5c947b83444fbe0459ab80421c829460557b4a77f9e64a82c.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1820

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1c00f952a38acd5c947b83444fbe0459ab80421c829460557b4a77f9e64a82c.dll,#1
3⤵
- Modifies visibility of file extensions in Explorer
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:472

C:\Windows\SysWOW64\explorer.exe
explorer C:\Users\Admin\AppData
4⤵
PID:780

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
PID:108

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/108-67-0x000007FEFB8A1000-0x000007FEFB8A3000-memory.dmp

Filesize
8KB

Download
memory/108-68-0x00000000039C0000-0x00000000039D0000-memory.dmp

Filesize
64KB

Download
memory/472-54-0x0000000000000000-mapping.dmp

Download
memory/472-55-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/472-56-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/472-60-0x00000000001D0000-0x00000000001F1000-memory.dmp

Filesize
132KB

Download
memory/472-63-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/472-64-0x00000000001D0000-0x00000000001F1000-memory.dmp

Filesize
132KB

Download
memory/780-62-0x0000000000000000-mapping.dmp

Download
memory/780-66-0x00000000745D1000-0x00000000745D3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads