598a6a2b1e16615e10aa0795d95c06753cfd80b98ea052fcae316f45c4c908ea

Analysis

max time kernel
146s
max time network
125s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 14:43

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General

Target

aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
Size

585KB
MD5

aeebde7678e68383deb44d6a3e5c87c6
SHA1

0ebfeca6a57e8470bc04389338a510b7e41704b6
SHA256

598a6a2b1e16615e10aa0795d95c06753cfd80b98ea052fcae316f45c4c908ea
SHA512

814d596cf8c8576fa5ecb9c131594df3c3b4b1e86ac1ca7b52090ad40226d6e60b1043e0f16324e20d044907d5861404d2f69333c51ca2ac9ca28b546285b34d
SSDEEP

12288:ZMMpXKb0hNGh1kG0HWnAlU866w0B2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlh:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW4

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"	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.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/0x000f0000000126f7-2.dat	aspack_v212_v242
behavioral1/files/0x0008000000015c68-38.dat	aspack_v212_v242
behavioral1/files/0x0001000000000026-61.dat	aspack_v212_v242

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
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	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1668	HelpMe.exe

Loads dropped DLL 2 IoCs

pid	Process
1704	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
1704	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.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)	\??\I:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\P:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\O:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\S:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\T:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\Y:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\E:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\M:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\X:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\I:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\Q:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\G:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\J:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\N:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\R:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\U:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\A:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\K:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\Z:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\W:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\L:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\V:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\B:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened (read-only)	\??\H:	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.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	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.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	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.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 1704 wrote to memory of 1668	1704	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe	28
PID 1704 wrote to memory of 1668	1704	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe	28
PID 1704 wrote to memory of 1668	1704	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe	28
PID 1704 wrote to memory of 1668	1704	aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aeebde7678e68383deb44d6a3e5c87c6_JaffaCakes118.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:1704
- 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:1668

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

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Downloads

C:\$Recycle.Bin\S-1-5-21-39690363-730359138-1046745555-1000\desktop.ini.exe

Filesize
586KB

MD5
12fdaae432cceccbe8f25f6f862e9d82

SHA1
925f4af0ca61d4c44ff86f9ace36275476976895

SHA256
c39b6eaedbda36808d90f968ed31d04404a1c7acdcabb415b1378de9cba4bcc0

SHA512
b1f1d15a572e99dffbe3432d77c0f5195b16c6b422eeee88d9215d4ea2066e67ea74427e10206e75fc610875bb560c507892ac9964d8137e46d1f1239ac62c98

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

Filesize
946B

MD5
ffdc78c791ee0dd5ea27964b9f20b534

SHA1
f08f7a1f7cb5dfbc1cac5c3653350045fcb7164f

SHA256
cfa7eb907450d0a8b0863af17471bbe2f7fb075dad7007929540a5ca81931111

SHA512
8617a290d431eee92d5b4acfe83a421322310516e1d9f0b59484472941a91d6abb8f988a99978000444e8594d7add3b287a72e2e9182d3d942d24ca1a2bd441e

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

Filesize
1KB

MD5
902dc71e9ad54a399481b7d6946b6704

SHA1
0c582cec4a879c4f535c282711843e5533f46d0c

SHA256
0acd75be3375c175f677e4dbce541b3790abc78f249b70ee3ea75b5abe4e98dc

SHA512
3b8fa4eac4b6a478ff52174dafc9009117b899cab65ec76f4b32b97e339ae06acd0f38f2145fc4eb67b2115f8fc6fe8be25cf6efeab9fe931bc6fc29ad8b8bec

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
585KB

MD5
aeebde7678e68383deb44d6a3e5c87c6

SHA1
0ebfeca6a57e8470bc04389338a510b7e41704b6

SHA256
598a6a2b1e16615e10aa0795d95c06753cfd80b98ea052fcae316f45c4c908ea

SHA512
814d596cf8c8576fa5ecb9c131594df3c3b4b1e86ac1ca7b52090ad40226d6e60b1043e0f16324e20d044907d5861404d2f69333c51ca2ac9ca28b546285b34d

Download Submit
\Windows\SysWOW64\HelpMe.exe

Filesize
584KB

MD5
07df80521c6d137dd1b401d3c1eaf5dc

SHA1
19cda77e6b2ab6a912601f117828fab3cdeb5ee4

SHA256
198e08a0a8c527335a6bb6b6aa8619dc847631a8e172f85e69b5dcce7677f114

SHA512
3c1795eeecbdbb0994e8b0502a5c9bf2bf84c2888a5a62179e0452b783d5b7295d81365389ab351e32806cb904c7987df8bb879915b6f20f323ca30d0d18bb19

Download Submit
memory/1668-261-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-293-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-94-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-9-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1668-363-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-353-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-239-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-241-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1668-343-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-251-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-333-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-323-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-313-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-273-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-301-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-283-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-250-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1704-300-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-282-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-312-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-272-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-322-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-292-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-332-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-260-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-338-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-93-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-352-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-240-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1704-362-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1704-238-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads