473805c864c854a20736818dc4bdf6fe34d1e7418d4405a9f0d9d21a00aeb29e

General

Target

473805c864c854a20736818dc4bdf6fe34d1e7418d4405a9f0d9d21a00aeb29e.dll
Size

164KB
MD5

35aaf6d3566060ad385e92a55e97f685
SHA1

cf21244f3d3b5d7166a66d90868ee802c8c5b017
SHA256

473805c864c854a20736818dc4bdf6fe34d1e7418d4405a9f0d9d21a00aeb29e
SHA512

664c7c84e6e5d3e47d5913056c8dbd5cbd0d7c1bb7ea05218ccc99a622509737f234d2cb46ef6510b75d47e361d9644a3774255f71fa90bf76e2b4dffd8e1dee
SSDEEP

3072:ktORhCkTeLvh+9j2oE2oG8O+E8t4is0DTWM590E9YdXHZSgx:AORhCkf6qVHWTf0EGtXx

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-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "0"	rundll32.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/680-56-0x0000000010000000-0x000000001001B000-memory.dmp	upx
behavioral1/memory/680-57-0x0000000010000000-0x000000001001B000-memory.dmp	upx
behavioral1/memory/680-64-0x0000000010000000-0x000000001001B000-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) \??\Y: rundll32.exe
File opened (read-only) \??\B: rundll32.exe

description	ioc	process
File opened (read-only)	\??\Y:	rundll32.exe
File opened (read-only)	\??\B:	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-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 28 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_Classes\Local Settings	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 74003100000000006b55247d1100557365727300600008000400efbeee3a851a6b55247d2a000000e601000000000100000000000000000036000000000055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\NodeSlot = "1"	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4c003100000000006b558b86100041646d696e00380008000400efbe6b55247d6b558b862a0000002b000000000004000000000000000000000000000000410064006d0069006e00000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 52003100000000006b55247d122041707044617461003c0008000400efbe6b55247d6b55247d2a000000e90100000000020000000000000000000000000000004100700070004400610074006100000016000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

rundll32.exe

pid process

680 rundll32.exe
680 rundll32.exe
680 rundll32.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

explorer.exe

pid process

468 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

rundll32.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 680 rundll32.exe
Token: SeShutdownPrivilege 1212 Explorer.EXE
Token: SeShutdownPrivilege 1212 Explorer.EXE
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE

pid	process
680	rundll32.exe
680	rundll32.exe
680	rundll32.exe

pid	process
468	explorer.exe

description	pid	process
Token: SeDebugPrivilege	680	rundll32.exe
Token: SeShutdownPrivilege	1212	Explorer.EXE
Token: SeShutdownPrivilege	1212	Explorer.EXE

pid	process
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

pid	process
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1656 wrote to memory of 680	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 680	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 680	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 680	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 680	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 680	1656	rundll32.exe	rundll32.exe
PID 1656 wrote to memory of 680	1656	rundll32.exe	rundll32.exe
PID 680 wrote to memory of 1212	680	rundll32.exe	Explorer.EXE
PID 680 wrote to memory of 1856	680	rundll32.exe	explorer.exe
PID 680 wrote to memory of 1856	680	rundll32.exe	explorer.exe
PID 680 wrote to memory of 1856	680	rundll32.exe	explorer.exe
PID 680 wrote to memory of 1856	680	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
PID:1212

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\473805c864c854a20736818dc4bdf6fe34d1e7418d4405a9f0d9d21a00aeb29e.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\473805c864c854a20736818dc4bdf6fe34d1e7418d4405a9f0d9d21a00aeb29e.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:680

C:\Windows\SysWOW64\explorer.exe
explorer C:\Users\Admin\AppData
4⤵
PID:1856

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: GetForegroundWindowSpam
PID:468

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/468-68-0x000007FEFBA91000-0x000007FEFBA93000-memory.dmp

Filesize
8KB

Download
memory/468-69-0x00000000039C0000-0x00000000039D0000-memory.dmp

Filesize
64KB

Download
memory/680-54-0x0000000000000000-mapping.dmp

Download
memory/680-55-0x0000000075F61000-0x0000000075F63000-memory.dmp

Filesize
8KB

Download
memory/680-56-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/680-57-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/680-61-0x0000000000180000-0x00000000001A1000-memory.dmp

Filesize
132KB

Download
memory/680-64-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/680-65-0x0000000000180000-0x00000000001A1000-memory.dmp

Filesize
132KB

Download
memory/1856-63-0x0000000000000000-mapping.dmp

Download
memory/1856-67-0x0000000074AE1000-0x0000000074AE3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads