f6254f68f7333ed015793a4910f42ca3c63bec0d14967bddfec345970874cc73

General

Target

sample.tar
Size

1.5MB
MD5

a0c6a4135475850994de3548f9a5f76d
SHA1

c972eeab2b301603e967fcdd52432f157db00a55
SHA256

d123fb3c2bbfc562aac370118295d0381870fc91d16947b682e13ab70a936322
SHA512

6e93c725e48dccbd912b54493a196d863208a6d1df91b5fe4445918e158c4758bd12770e0a1e624ea18af20f4ed24a1cf05b75562cd765060d0844af32d38262
SSDEEP

24576:wIgQEa34VJ9nYpMHyyvjRlKDWBmaf/sQBHNiOP7jHEsxt2FiDJi:wIgnnvnDsasQBHMQIM

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

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings	cmd.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 50003100000000000c553c8a1000372d5a6970003c0009000400efbe0c553c8a0c553c8a2e000000e4a40100000007000000000000000000000000000000ced92f0037002d005a0069007000000014000000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Applications\7zG.exe\shell\open	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Applications\7zG.exe	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Applications\7zG.exe\shell\open\command	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\NodeSlot = "1"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = ffffffff	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell\SniffedFolderType = "Generic"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 8c003100000000000c55558a110050524f4752417e310000740009000400efbe724a6fa80c55558a2e0000003f0000000000010000000000000000004a00000000008cdc4700500072006f006700720061006d002000460069006c0065007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100370038003100000018000000	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	OpenWith.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202	OpenWith.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "2"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\Shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Applications	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\2	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Applications\7zG.exe\shell\open\command\ = "\"C:\\Program Files\\7-Zip\\7zG.exe\" \"%1\""	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

OpenWith.exe7zFM.exe

pid process

3776 OpenWith.exe
3948 7zFM.exe
Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

7zG.exe7zFM.exe

description pid process

Token: SeRestorePrivilege 2860 7zG.exe
Token: 35 2860 7zG.exe
Token: SeRestorePrivilege 3948 7zFM.exe
Token: 35 3948 7zFM.exe

description	pid	process
Token: SeRestorePrivilege	2860	7zG.exe
Token: 35	2860	7zG.exe
Token: SeRestorePrivilege	3948	7zFM.exe
Token: 35	3948	7zFM.exe

Suspicious use of SetWindowsHookEx 18 IoCs

Processes:

OpenWith.exe

pid	process
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe
3776	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

OpenWith.exe

description pid process target process

PID 3776 wrote to memory of 2860 3776 OpenWith.exe 7zG.exe
PID 3776 wrote to memory of 2860 3776 OpenWith.exe 7zG.exe

description	pid	process	target process
PID 3776 wrote to memory of 2860	3776	OpenWith.exe	7zG.exe
PID 3776 wrote to memory of 2860	3776	OpenWith.exe	7zG.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sample.tar
1⤵
- Modifies registry class
PID:3768

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3776
- C:\Program Files\7-Zip\7zG.exe
  "C:\Program Files\7-Zip\7zG.exe" "C:\Users\Admin\AppData\Local\Temp\sample.tar"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2860

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2860-118-0x0000000000000000-mapping.dmp

Download

Analysis

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