900582dc5bf229c9079123c12be9644d679a12bc649032df88883e4043cdb69b

Analysis

max time kernel
145s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 06:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
Size

781KB
MD5

38dacba1866ae466d8da0504877007c0
SHA1

9767ba433109611806ff53793d84a55b8ae3826a
SHA256

900582dc5bf229c9079123c12be9644d679a12bc649032df88883e4043cdb69b
SHA512

690364a68654fe8b7f3c679fce66c7fe4e2e6178497c3d0b706f9bfd50dab4ee9f5b0a4e576a2d36deac427ee2a25c01af7389a60429881b4091982bc768fa0b
SSDEEP

24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0ND:Kwi0L0qkA

Score

10^/10

aspackv2 discovery 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"	38dacba1866ae466d8da0504877007c0_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/0x000d000000015ceb-2.dat	aspack_v212_v242
behavioral1/files/0x0007000000015fba-38.dat	aspack_v212_v242
behavioral1/files/0x0001000000000026-56.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	38dacba1866ae466d8da0504877007c0_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	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1800	HelpMe.exe

Loads dropped DLL 2 IoCs

pid	Process
2040	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
2040	38dacba1866ae466d8da0504877007c0_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)	\??\J:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\N:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\L:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\Q:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\R:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\T:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\X:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\Y:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\B:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\M:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\A:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\G:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\V:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\H:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\I:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\K:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\O:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\U:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\E:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\Z:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\P:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\S:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\W:	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.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	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	38dacba1866ae466d8da0504877007c0_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	38dacba1866ae466d8da0504877007c0_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

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HelpMe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1800	2040	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe	31
PID 2040 wrote to memory of 1800	2040	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe	31
PID 2040 wrote to memory of 1800	2040	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe	31
PID 2040 wrote to memory of 1800	2040	38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\38dacba1866ae466d8da0504877007c0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\38dacba1866ae466d8da0504877007c0_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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2040
- 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
  - System Location Discovery: System Language Discovery
  PID:1800

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-312935884-697965778-3955649944-1000\desktop.ini.exe

Filesize
782KB

MD5
457a77a6a8b3ffe3eec5d8e4bfcd2e1a

SHA1
78dfd06fe8fdb41977c6d111122e6d7443c14561

SHA256
9b1ceee655d264e1b382c329bb643628ad5249fcd0b0ff602d53b63526e97c20

SHA512
7f17c27d46482ed10c993e4a4b8b8d3d16a5e3deac77dcad43b272a8c4e65bd0b91b99e346c8eb8b814798f0a8f50ee89453ca649ca77b25ee3e4ceaf41c1e67

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

Filesize
1KB

MD5
da21f1d5d8ba4313efbd97715bc190e4

SHA1
483175586572a69c6d1286f310dd1a6d3b3da01c

SHA256
7cd89f66a65d0a4e37bb22c91866337e3e496a5de71a425cc7d7eb3ba5377e77

SHA512
046f9c0a3f6a9ca6578a85550b306adce1b0ff50b8a94010754c5b73e173b6f49b3ee1f9515059ba46ccf5ca1cd79aeefdb8a6d5af3e1cd2832fb1cb1dd9bad5

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

Filesize
950B

MD5
1956b3c6b151fce2617d8b225bb58553

SHA1
94b7e0cd171781382a5f23cb6cd9b531d190e83c

SHA256
aa022091d39816bf4c0c81c3e8ddf50ac25cf82074b3690b2350df2401a02e1a

SHA512
4f34ceaffbcd60cfaf3da4504ce2b2758d8040faa763412eff706961117e24b760d07e4ff3b7ca4010fe2a80806ff9e16be10b685fa83374a491bc492507dd24

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
781KB

MD5
38dacba1866ae466d8da0504877007c0

SHA1
9767ba433109611806ff53793d84a55b8ae3826a

SHA256
900582dc5bf229c9079123c12be9644d679a12bc649032df88883e4043cdb69b

SHA512
690364a68654fe8b7f3c679fce66c7fe4e2e6178497c3d0b706f9bfd50dab4ee9f5b0a4e576a2d36deac427ee2a25c01af7389a60429881b4091982bc768fa0b

Download Submit
\Windows\SysWOW64\HelpMe.exe

Filesize
781KB

MD5
e0058ec846bfcb87cb58ca800c718bf7

SHA1
43d7630a34bec6ae9a57e05f196f836feefd8e14

SHA256
de0477babbf4f8025356342c9775814ee9d5415b6f502d128b3649778e6c3418

SHA512
81fe62139eee134f4ae964ad07e737fe4af9c800038dbd2b632b6313bd9f4866ac28f98cb456f0d49723d163ff24774b18c7cf7e5188949e4ebecf0ed7bdd386

Download Submit
memory/1800-271-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-287-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-229-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-357-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-239-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-9-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1800-351-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-249-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-341-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-261-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-331-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-321-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-311-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-281-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1800-299-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-260-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-330-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-286-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-310-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-280-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-320-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2040-298-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-270-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-340-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-228-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-350-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-248-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-356-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2040-238-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads