f0bf9b8f524ad885d87917008e1a24a7ac49a2dd51a277fd49981b428ad4fc0b

Analysis

max time kernel
146s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
31/05/2024, 03:11

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General

Target

74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
Size

846KB
MD5

74b4197790c05e4a461b34890ac612ad
SHA1

542c277e942fc652736c46a737322e67c3a9f625
SHA256

f0bf9b8f524ad885d87917008e1a24a7ac49a2dd51a277fd49981b428ad4fc0b
SHA512

92248926b48850b6ad9193fb9dfe714a06247f999b229506cdea04a181058a8884e22efe15235a92cb6d5ed8192277e1fbabaccbca0b334f5c02ff66211d61e8
SSDEEP

24576:ZMMpXS0hN0V0HoSySGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63ny:Kwi0L0qlnNg

Score

10^/10

aspackv2 persistence ransomware

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	HelpMe.exe

Renames multiple (91) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

ASPack v2.12-2.42 3 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000e000000015a98-2.dat	aspack_v212_v242
behavioral1/files/0x0008000000015c87-38.dat	aspack_v212_v242
behavioral1/files/0x0001000000000026-62.dat	aspack_v212_v242

Drops startup file 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	HelpMe.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3004	HelpMe.exe

Loads dropped DLL 2 IoCs

pid	Process
2872	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
2872	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe

Enumerates connected drives 3 TTPs 46 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

description	ioc	Process
File opened (read-only)	\??\U:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\H:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\L:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\T:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\K:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\Y:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\O:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\S:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\N:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\M:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\P:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\A:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\B:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\G:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\W:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\I:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\Q:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\V:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\X:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\Z:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\E:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\J:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened (read-only)	\??\R:	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe

Drops autorun.inf file 1 TTPs 3 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	F:\AUTORUN.INF	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File opened for modification	F:\AUTORUN.INF	HelpMe.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\HelpMe.exe	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
File created	C:\Windows\SysWOW64\HelpMe.exe	HelpMe.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 3004	2872	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe	28
PID 2872 wrote to memory of 3004	2872	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe	28
PID 2872 wrote to memory of 3004	2872	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe	28
PID 2872 wrote to memory of 3004	2872	74b4197790c05e4a461b34890ac612adJaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\74b4197790c05e4a461b34890ac612adJaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\74b4197790c05e4a461b34890ac612adJaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Loads dropped DLL
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\HelpMe.exe
  C:\Windows\system32\HelpMe.exe
  2⤵
  - Modifies WinLogon for persistence
  - Drops startup file
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops autorun.inf file
  - Drops file in System32 directory
  PID:3004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-330940541-141609230-1670313778-1000\desktop.ini.exe

Filesize
846KB

MD5
1013dd56f4f97c59397e957e06d02c44

SHA1
25e564a117b28d99186d384740f5ecd64ffbab3d

SHA256
16a3746099cb844378c53d7420704e15a8489e23c3f0b3f0f174e01aa78d9c81

SHA512
d0605817a0b29825197b3b3dfafe179c969435c99d71016ac9af0ccd5bf0aed21319f4bef0a6d8d5b94097e751c6c94f60efd073b8118738c7ba57d5045aa15f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk

Filesize
950B

MD5
f7ba8b8ab6ce09e6f0017e808fc14309

SHA1
f3aa1f3a9c5936a3312a9026d5b01a212380f7be

SHA256
93f7061225ffcff1c82f63511f9f688163fb00b16e84048ae21739a2fe6be465

SHA512
3bce8d72ffaae7d86a940f217dfcb2ca519f457a69a59bf13e873b925b1bce2bd40a535ed0f58527a7d6ca9109ea2889fb02ad8face8149a56397deb27484406

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk

Filesize
1KB

MD5
0e8e7289964c01526e354cca7e603e01

SHA1
952fd45d3455bd9633935ff2a238186612bb5372

SHA256
850699dc9806eb2ff6a254a2fe262f184c0ea30f51ae49639394dca5025327e5

SHA512
d50fa543510bf3d93f84d689149023921610c1b1f9f5f764b1dd10f16169a0b483ca827e23560a6a38a104ec09b35baf259bddb52600728243124e45ef7820f1

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
846KB

MD5
74b4197790c05e4a461b34890ac612ad

SHA1
542c277e942fc652736c46a737322e67c3a9f625

SHA256
f0bf9b8f524ad885d87917008e1a24a7ac49a2dd51a277fd49981b428ad4fc0b

SHA512
92248926b48850b6ad9193fb9dfe714a06247f999b229506cdea04a181058a8884e22efe15235a92cb6d5ed8192277e1fbabaccbca0b334f5c02ff66211d61e8

Download Submit
\Windows\SysWOW64\HelpMe.exe

Filesize
685KB

MD5
0b372b84e45971e8a6b7c6acdc4ab9fa

SHA1
b61c1b1c6148fb4e6f29285abc79677f51b4964a

SHA256
29ad3d1f6dccb321c2eecb7b06e7317b15df76872694c5510e35221d8791b26c

SHA512
0bae2bbb55505e725d686a00ef17099397463a79d5031009b715f287d3ca8022edbd18d4ba79cf400bbc87ab1dcb3da27362c1f044fbcc1834becc9c6477c022

Download Submit
memory/2872-271-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-249-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-92-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-240-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2872-361-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-238-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-351-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-299-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-337-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-259-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-331-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-0-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2872-321-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-281-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-311-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2872-291-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-250-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-292-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-300-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-282-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-312-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-272-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-322-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-260-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-332-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-93-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-338-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-10-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/3004-352-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-239-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3004-362-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads