b2c7806749efee72b9104d5bdd95f9a384f187e70664472d1233dec0f25c95bd

Analysis

max time kernel
98s
max time network
79s
platform
windows7_x64
resource
win7-20220414-en
submitted
16-05-2022 02:05

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General

Target

Negumo.exe
Size

872KB
MD5

c56b5f0201a3b3de53e561fe76912bfd
SHA1

2a4062e10a5de813f5688221dbeb3f3ff33eb417
SHA256

237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
SHA512

195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 64 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\NodeSlot = "2"	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders	Negumo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Generic"	Negumo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}"	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Mode = "4"	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\LogicalViewMode = "1"	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\IconSize = "16"	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Sort = 000000000000000000000000000000000200000030f125b7ef471a10a5f102608c9eebac0a0000000100000030f125b7ef471a10a5f102608c9eebac0e000000ffffffff	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\MRUListEx = 00000000ffffffff	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0 = 74003100000000008e541ca01100557365727300600008000400efbeee3a851a8e541ca02a000000e601000000000100000000000000000036000000000055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}	Negumo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0\MRUListEx = ffffffff	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewVersion = "0"	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\MRUListEx = 00000000ffffffff	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\0 = 4a00310000000000b054ae20102054656d700000360008000400efbe8e541ca0b054ae202a00000001020000000002000000000000000000000000000000540065006d007000000014000000	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	Negumo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}"	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0000000001000000ffffffff	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\MRUListEx = 00000000ffffffff	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\MRUListEx = 00000000ffffffff	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0\MRUListEx = 00000000ffffffff	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0 = 19002f433a5c000000000000000000000000000000000000000000	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1"	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0\0 = 4c003100000000008e546ba210204c6f63616c00380008000400efbe8e541ca08e546ba22a000000000200000000020000000000000000000000000000004c006f00630061006c00000014000000	Negumo.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	Negumo.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1092616257"	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	Negumo.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0 = 4c003100000000008e54fcb1100041646d696e00380008000400efbe8e541ca08e54fcb12a00000030000000000004000000000000000000000000000000410064006d0069006e00000014000000	Negumo.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\0\0\0 = 52003100000000008e541ca0122041707044617461003c0008000400efbe8e541ca08e541ca02a000000ed0100000000020000000000000000000000000000004100700070004400610074006100000016000000	Negumo.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1308	Negumo.exe

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe
1308	Negumo.exe

C:\Users\Admin\AppData\Local\Temp\Negumo.exe
"C:\Users\Admin\AppData\Local\Temp\Negumo.exe"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1308-54-0x0000000075261000-0x0000000075263000-memory.dmp

Filesize
8KB

Download
memory/1308-55-0x00000000748C1000-0x00000000748C3000-memory.dmp

Filesize
8KB

Download