3676c69b962830b6ddf6519aec64f6a04a7eb5d59f17f4737c9a9499e2f9eee3

Analysis

max time kernel
145s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 01:19

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General

Target

3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
Size

1.3MB
MD5

3d08df9e54f98f18dd626d179e993009
SHA1

aca970c6c0e0eacd60d0d0371f6d840a5212557e
SHA256

3676c69b962830b6ddf6519aec64f6a04a7eb5d59f17f4737c9a9499e2f9eee3
SHA512

b59f87db426c15fd60a30f6f6036c9d3c1920cc518da8d74cde9e33a8bfae05c776c5792244eb27faadfd998ab387eb87bff74a4eb000041c9dd90de53d9897c
SSDEEP

24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0N0:Kwi0L0qkIC

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"	3d08df9e54f98f18dd626d179e993009_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/0x000a000000012250-7.dat	aspack_v212_v242
behavioral1/files/0x0008000000016d30-38.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	3d08df9e54f98f18dd626d179e993009_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	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	HelpMe.exe

Loads dropped DLL 2 IoCs

pid	Process
2756	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
2756	3d08df9e54f98f18dd626d179e993009_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)	\??\Q:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\W:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\X:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\E:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\Z:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\O:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\H:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\K:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\G:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\M:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\U:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\V:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\B:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\I:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\N:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\A:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\Y:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\R:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\T:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\L:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\P:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\S:	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\J:	3d08df9e54f98f18dd626d179e993009_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	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	3d08df9e54f98f18dd626d179e993009_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	3d08df9e54f98f18dd626d179e993009_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	3d08df9e54f98f18dd626d179e993009_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 2756 wrote to memory of 2824	2756	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2824	2756	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2824	2756	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2824	2756	3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\3d08df9e54f98f18dd626d179e993009_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3d08df9e54f98f18dd626d179e993009_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:2756
- 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:2824

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

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Downloads

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

Filesize
1.3MB

MD5
103066feee068f74d528cc0799064ee3

SHA1
483e0080d45a2d56756514576832a1c912e589f6

SHA256
3942221e76386cf8620c8b8f0005c5c00c331e26e236d2f2432ef499e9b1389c

SHA512
6f447ded39e8f607b353b61e11b43909b212637b3ef4c74e83749993aaeef416b5d6f51d422645f7730baa4fe4d4d2f0b2691e0c152499d8d4d73a561d02fd91

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

Filesize
1KB

MD5
61392d89f9195d45ee196b3903c82dc9

SHA1
9e4dd74af55e26075a48daef84c3b4cda44a290b

SHA256
72e0be3faff880ae2c3f3eec80b39d6c5f4c577f51a5548635b0109242ed296a

SHA512
36404c9549c909925892653494fd65807185043cf52575c9960dbbdb30f966f5a9a36cd7aac5c6530ba5544932113b43b915855003b1772bde0fac037a180589

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

Filesize
950B

MD5
599b2739fe3f67bf721edc5451ba0cb0

SHA1
89109b2ccf0cd52dceec2869da809a3e35eb5ad2

SHA256
40add47ae4848b57d5e169e380817d95e329d275db4d1407e96c38037a81cb1e

SHA512
cbba61ca54ba1fc4d7c8ca78358d2c3f5cbc970c97ee2ea641fcee784944584c89a42c55f548bb6e07c3df12d0478f41b8c591717223264b9aa2dce5883dc1ae

Download Submit
C:\Windows\SysWOW64\HelpMe.exe

Filesize
1.3MB

MD5
dc8c892838d4a50e0d57d7f9b796ada2

SHA1
dd3d0aadb88204024c9e79aa4aeffac0b03bf738

SHA256
c35626bcfd28b03281b68ecf27a25cee4d2cccf1305d4ed121dd197e43503f9e

SHA512
3fb2a8ac5de006586ef8d1eb488726627c7dd8160a06570b38b0b09f99f60efafd400ad133af3f3df2a8836003a3fc999c2367b5e44b45449ba5b79130e33b96

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
1.3MB

MD5
3d08df9e54f98f18dd626d179e993009

SHA1
aca970c6c0e0eacd60d0d0371f6d840a5212557e

SHA256
3676c69b962830b6ddf6519aec64f6a04a7eb5d59f17f4737c9a9499e2f9eee3

SHA512
b59f87db426c15fd60a30f6f6036c9d3c1920cc518da8d74cde9e33a8bfae05c776c5792244eb27faadfd998ab387eb87bff74a4eb000041c9dd90de53d9897c

Download Submit
memory/2756-271-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-289-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-228-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-357-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-347-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-239-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-341-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-249-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-331-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-321-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-261-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2756-311-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-277-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2756-301-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-250-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-322-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-282-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-302-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-272-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-312-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-262-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-290-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-9-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2824-332-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-240-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-342-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-229-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-352-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2824-230-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2824-358-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads