04457ffd43e4c864a0320e24b216d5ac2c1d6d854af4ef86f5094437b09a084b

Analysis

max time kernel
145s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/05/2024, 21:23

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General

Target

369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
Size

878KB
MD5

369cf1eef95bfc2c400be90a1288b2f4
SHA1

c51c5cf9205c7a0203dd212d8fe409d3cc622c64
SHA256

04457ffd43e4c864a0320e24b216d5ac2c1d6d854af4ef86f5094437b09a084b
SHA512

ed994a202d3b0c2765b9c4c7744949e4ad3d890c875baed019a4e71f2aaa89d59b51e7e405c30feaf0a337c790f8978ab3196f6edfdc06064afdc8b98dd53808
SSDEEP

24576:ZMMpXS0hN0V0HoSMMMpXS0hN0V0H0SGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHD9:Kwi0L0qlFwi0L0qp8

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"	369cf1eef95bfc2c400be90a1288b2f4_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/0x000b000000012257-2.dat	aspack_v212_v242
behavioral1/files/0x0008000000015d87-38.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	369cf1eef95bfc2c400be90a1288b2f4_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	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2136	HelpMe.exe

Loads dropped DLL 2 IoCs

pid	Process
2188	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
2188	369cf1eef95bfc2c400be90a1288b2f4_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)	\??\B:	HelpMe.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\H:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\I:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\R:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\T:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\A:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\E:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\O:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\K:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\N:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\S:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\L:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\Q:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\Y:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\G:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\U:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\Z:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\V:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\W:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\X:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\B:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\J:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\M:	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened (read-only)	\??\P:	369cf1eef95bfc2c400be90a1288b2f4_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	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	369cf1eef95bfc2c400be90a1288b2f4_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	369cf1eef95bfc2c400be90a1288b2f4_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 2188 wrote to memory of 2136	2188	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe	28
PID 2188 wrote to memory of 2136	2188	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe	28
PID 2188 wrote to memory of 2136	2188	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe	28
PID 2188 wrote to memory of 2136	2188	369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\369cf1eef95bfc2c400be90a1288b2f4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\369cf1eef95bfc2c400be90a1288b2f4_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:2188
- 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:2136

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-1-5-21-1298544033-3225604241-2703760938-1000\desktop.ini.exe

Filesize
879KB

MD5
3b06426dd5400d070391aa2bf56eca20

SHA1
c2520551bb2e32b86a2cbd03dcf41b626c294312

SHA256
a102d3a6926d8e42802f31f7b459cbe0602ece38d5c92a622e69081b60d2a756

SHA512
ea51332339982978aaa798df4200ee8e087545409442351ed3abf4d5b0570803b7ddfc75f285752dfb7ceddfa4bc4f32baca0906493e73cacf48a55a46855222

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

Filesize
1KB

MD5
0eea33d0646f310b4ae0314b5aaf86fc

SHA1
68acd368d4206768e3169b976a2feddf44221e85

SHA256
9f44889d3239472254374fbfb644f70912f9dcc2dfd16c1d190e57892674f9a4

SHA512
da957381ab97295844b8de90c9a903ffb44b9de859a1c6fd61ad4cb783085e317addf823fcdca396be4837eed6bc2a23beaa6e5f524cb9a87e9e69d91171c705

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

Filesize
954B

MD5
5f857da621fd62c43340f7ca9eaa88f9

SHA1
d4ea40d8c0479130986b8a42287a39b2b44946f4

SHA256
aaa9e719b8b5e7bff132667092ca8b4fec19aa2d832dc1891f8033cb3e2dc1ba

SHA512
6dae78b25eb2377430c3bf942b2981b3746febbe4dda1bfc5b2a698cf020aff4e89dab04ce6d79245d83536bbcf8befece61774252084efdc8222ef2c7922779

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
878KB

MD5
369cf1eef95bfc2c400be90a1288b2f4

SHA1
c51c5cf9205c7a0203dd212d8fe409d3cc622c64

SHA256
04457ffd43e4c864a0320e24b216d5ac2c1d6d854af4ef86f5094437b09a084b

SHA512
ed994a202d3b0c2765b9c4c7744949e4ad3d890c875baed019a4e71f2aaa89d59b51e7e405c30feaf0a337c790f8978ab3196f6edfdc06064afdc8b98dd53808

Download Submit
\Windows\SysWOW64\HelpMe.exe

Filesize
705KB

MD5
bcffb43a6afc5a21f7997705e8f450bb

SHA1
59fc4bfb0abfbdaa62e7469f1350e53ec0a03a32

SHA256
310eeeb1ecf6c8834da10049b5b48a887960f29345c5dfb37dd72234196a840f

SHA512
a892bb10f7b81f671dffa27c1de18be7ddcb7c29ece2b212b375c1639b6674a87e4dbfcbcd6f82d4238e4c51ad7183b47c73cff9951d9be385952d7da4399d20

Download Submit
memory/2136-263-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-323-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-229-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-363-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-239-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-353-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-241-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2136-9-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2136-343-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-251-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-331-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-313-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-303-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-273-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-293-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2136-283-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-330-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-258-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-302-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-272-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-312-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2188-282-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-228-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-292-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-322-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-342-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-250-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-352-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-238-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-362-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2188-240-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads