34d3c6e0521570cf69ae828b240b19b3314e9b63d534d9a62ce81f6ac5eee8f7

General

Target

file.exe
Size

1.1MB
MD5

7a66992f14ec9015181ed2d580c190ff
SHA1

9674bf45d8017f7753ddd6e106a8974bb87860c0
SHA256

34d3c6e0521570cf69ae828b240b19b3314e9b63d534d9a62ce81f6ac5eee8f7
SHA512

e499c16f7cd9516e72745618443630bc9ca0218bc31118c49dde9ca63ffb067e65fd8b62c0326c80204156ffc030d1163910440197905be7333f64f056776dc7
SSDEEP

24576:bEpFFe69Mk7fdcsaiWsEzJqIV9oM2PiUbDUrs5n9e78PB5I7QQq:bE0Ns0EQ9oMAiyDUrs5k7cB5EQ

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
2	1716	rundll32.exe
5	1716	rundll32.exe
10	1716	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1716	rundll32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1716 set thread context of 1032	1716	rundll32.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 22 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform ID	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform ID	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Signature	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Signature	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier	rundll32.exe

Modifies registry class 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 4c003100000000000000000010004c6f63616c00380008000400efbe00000000000000002a000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4a0031000000000000000000102054656d700000360008000400efbe00000000000000002a00000000000000000000000000000000000000000000000000540065006d007000000014000000	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 7e0074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f3c0008000400efbe00000000000000002a000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1032	rundll32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1716	2040	file.exe	28
PID 2040 wrote to memory of 1716	2040	file.exe	28
PID 2040 wrote to memory of 1716	2040	file.exe	28
PID 2040 wrote to memory of 1716	2040	file.exe	28
PID 2040 wrote to memory of 1716	2040	file.exe	28
PID 2040 wrote to memory of 1716	2040	file.exe	28
PID 2040 wrote to memory of 1716	2040	file.exe	28
PID 1716 wrote to memory of 1032	1716	rundll32.exe	31
PID 1716 wrote to memory of 1032	1716	rundll32.exe	31
PID 1716 wrote to memory of 1032	1716	rundll32.exe	31
PID 1716 wrote to memory of 1032	1716	rundll32.exe	31
PID 1716 wrote to memory of 1032	1716	rundll32.exe	31

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Qytyaworpiotpd.tmp",Edoqqdswdffqipe
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Checks processor information in registry
  - Suspicious use of WriteProcessMemory
  PID:1716
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 23799
    3⤵
    - Modifies registry class
    - Suspicious use of FindShellTrayWindow
    PID:1032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Qytyaworpiotpd.tmp

Filesize
752KB

MD5
710af73b2d7e92d33fac751318c08101

SHA1
2208c96a528b1d96e18ae47ab274f303e4099fff

SHA256
72021339c18f79141f9867c30616cbbdc517471e44d16bfe81063e5c7dba56c3

SHA512
1f19138b8412b871ccf33ec351d28157b6571bc02cb1d338fc4c06bd77e9518bbdb3392d63b9bcdde2bd94746c232f90b4796363f83cecfd49e0470b6495ac1a

Download Submit
\Users\Admin\AppData\Local\Temp\Qytyaworpiotpd.tmp

Filesize
752KB

MD5
710af73b2d7e92d33fac751318c08101

SHA1
2208c96a528b1d96e18ae47ab274f303e4099fff

SHA256
72021339c18f79141f9867c30616cbbdc517471e44d16bfe81063e5c7dba56c3

SHA512
1f19138b8412b871ccf33ec351d28157b6571bc02cb1d338fc4c06bd77e9518bbdb3392d63b9bcdde2bd94746c232f90b4796363f83cecfd49e0470b6495ac1a

Download Submit
memory/1032-70-0x00000000001A0000-0x000000000044A000-memory.dmp

Filesize
2.7MB

Download
memory/1032-80-0x0000000001FB0000-0x000000000226B000-memory.dmp

Filesize
2.7MB

Download
memory/1032-79-0x00000000001A0000-0x000000000044A000-memory.dmp

Filesize
2.7MB

Download
memory/1032-78-0x000007FEFBB81000-0x000007FEFBB83000-memory.dmp

Filesize
8KB

Download
memory/1032-77-0x0000000002270000-0x00000000023B0000-memory.dmp

Filesize
1.2MB

Download
memory/1032-76-0x0000000002270000-0x00000000023B0000-memory.dmp

Filesize
1.2MB

Download
memory/1716-66-0x0000000004420000-0x0000000004F7B000-memory.dmp

Filesize
11.4MB

Download
memory/1716-73-0x0000000005040000-0x0000000005180000-memory.dmp

Filesize
1.2MB

Download
memory/1716-68-0x0000000005040000-0x0000000005180000-memory.dmp

Filesize
1.2MB

Download
memory/1716-81-0x0000000004420000-0x0000000004F7B000-memory.dmp

Filesize
11.4MB

Download
memory/1716-67-0x0000000005040000-0x0000000005180000-memory.dmp

Filesize
1.2MB

Download
memory/1716-65-0x0000000004420000-0x0000000004F7B000-memory.dmp

Filesize
11.4MB

Download
memory/1716-72-0x0000000005040000-0x0000000005180000-memory.dmp

Filesize
1.2MB

Download
memory/1716-69-0x0000000005040000-0x0000000005180000-memory.dmp

Filesize
1.2MB

Download
memory/1716-74-0x0000000005040000-0x0000000005180000-memory.dmp

Filesize
1.2MB

Download
memory/1716-63-0x0000000004420000-0x0000000004F7B000-memory.dmp

Filesize
11.4MB

Download
memory/2040-55-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/2040-54-0x0000000001E30000-0x0000000001F11000-memory.dmp

Filesize
900KB

Download
memory/2040-60-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/2040-59-0x0000000001F70000-0x0000000002090000-memory.dmp

Filesize
1.1MB

Download
memory/2040-57-0x0000000001E30000-0x0000000001F11000-memory.dmp

Filesize
900KB

Download

Analysis

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