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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "0"	rundll32.exe

Modifies visiblity of hidden/system files 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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	rundll32.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3768-133-0x0000000010000000-0x000000001001C000-memory.dmp	upx
behavioral2/memory/3768-141-0x0000000010000000-0x000000001001C000-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) \??\V: rundll32.exe
File opened (read-only) \??\A: rundll32.exe

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

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	explorer.exe

Modifies registry class 32 IoCs

Processes:

explorer.exeExplorer.EXE

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 56003100000000000c55ec9812004170704461746100400009000400efbe0c55ec980f553b6a2e0000009ae1010000000100000000000000000000000000000031e600014100700070004400610074006100000016000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 50003100000000000c5555a4100041646d696e003c0009000400efbe0c55ec987855010c2e0000008fe101000000010000000000000000000000000000005eb65500410064006d0069006e00000014000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\NodeSlot = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 78003100000000000c55ec981100557365727300640009000400efbe874f77487855010c2e000000c70500000000010000000000000000003a000000000012201b0155007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

explorer.exe

pid process

4700 explorer.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

rundll32.exe

pid process

3768 rundll32.exe
3768 rundll32.exe
3768 rundll32.exe
3768 rundll32.exe
3768 rundll32.exe
3768 rundll32.exe
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exeExplorer.EXE

pid process

4700 explorer.exe
2376 Explorer.EXE

pid	process
4700	explorer.exe

pid	process
3768	rundll32.exe
3768	rundll32.exe
3768	rundll32.exe
3768	rundll32.exe
3768	rundll32.exe
3768	rundll32.exe

pid	process
4700	explorer.exe
2376	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 19 IoCs

Processes:

rundll32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3768	rundll32.exe
Token: SeShutdownPrivilege	2376	Explorer.EXE
Token: SeCreatePagefilePrivilege	2376	Explorer.EXE
Token: SeShutdownPrivilege	2376	Explorer.EXE
Token: SeCreatePagefilePrivilege	2376	Explorer.EXE
Token: SeShutdownPrivilege	2376	Explorer.EXE
Token: SeCreatePagefilePrivilege	2376	Explorer.EXE
Token: SeShutdownPrivilege	2376	Explorer.EXE
Token: SeCreatePagefilePrivilege	2376	Explorer.EXE
Token: SeShutdownPrivilege	2376	Explorer.EXE
Token: SeCreatePagefilePrivilege	2376	Explorer.EXE
Token: SeShutdownPrivilege	2376	Explorer.EXE
Token: SeCreatePagefilePrivilege	2376	Explorer.EXE
Token: SeShutdownPrivilege	2376	Explorer.EXE
Token: SeCreatePagefilePrivilege	2376	Explorer.EXE
Token: SeShutdownPrivilege	2376	Explorer.EXE
Token: SeCreatePagefilePrivilege	2376	Explorer.EXE
Token: SeShutdownPrivilege	2376	Explorer.EXE
Token: SeCreatePagefilePrivilege	2376	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

2376 Explorer.EXE
2376 Explorer.EXE
2376 Explorer.EXE
2376 Explorer.EXE
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Explorer.EXE

pid process

2376 Explorer.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

explorer.exe

pid process

4700 explorer.exe
4700 explorer.exe

pid	process
2376	Explorer.EXE
2376	Explorer.EXE
2376	Explorer.EXE
2376	Explorer.EXE

pid	process
2376	Explorer.EXE

pid	process
4700	explorer.exe
4700	explorer.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 4720 wrote to memory of 3768	4720	rundll32.exe	rundll32.exe
PID 4720 wrote to memory of 3768	4720	rundll32.exe	rundll32.exe
PID 4720 wrote to memory of 3768	4720	rundll32.exe	rundll32.exe
PID 3768 wrote to memory of 2376	3768	rundll32.exe	Explorer.EXE
PID 3768 wrote to memory of 5036	3768	rundll32.exe	explorer.exe
PID 3768 wrote to memory of 5036	3768	rundll32.exe	explorer.exe
PID 3768 wrote to memory of 5036	3768	rundll32.exe	explorer.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2376

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1c00f952a38acd5c947b83444fbe0459ab80421c829460557b4a77f9e64a82c.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:4720

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1c00f952a38acd5c947b83444fbe0459ab80421c829460557b4a77f9e64a82c.dll,#1
3⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3768

C:\Windows\SysWOW64\explorer.exe
explorer C:\Users\Admin\AppData
4⤵
PID:5036

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4700

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2

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/3768-132-0x0000000000000000-mapping.dmp

Download
memory/3768-133-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3768-137-0x0000000002830000-0x0000000002851000-memory.dmp

Filesize
132KB

Download
memory/3768-139-0x0000000002830000-0x0000000002851000-memory.dmp

Filesize
132KB

Download
memory/3768-140-0x0000000002830000-0x0000000002851000-memory.dmp

Filesize
132KB

Download
memory/3768-141-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/5036-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads