51007ea697ffff05e8d9651634b0e37331b276bd176d117c260f54a10659abbe

Analysis

max time kernel
145s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/07/2024, 23:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
Size

305KB
MD5

3b31ef3f1883060891da317010b06b94
SHA1

87aebc786f176421b87873780ac36b106085a6c3
SHA256

51007ea697ffff05e8d9651634b0e37331b276bd176d117c260f54a10659abbe
SHA512

232c9a57a81a3f8194f206229e4267cd08217798fb7251675db29f62391d50bdbe4bc886c77bbaababb990aae0b5066daf216ed6f0c8c1aa9bf84bb9e08a6347
SSDEEP

6144:niMmXRH6pXfSb0ceR/VFAHh1kgcs0HW4ky+4ufk4vbAfxu/F/Q:dMMpXKb0hNGh1kG0HWo+E4vbAfxu/FY

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"	HelpMe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	3b31ef3f1883060891da317010b06b94_JaffaCakes118.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/0x000800000001211b-2.dat	aspack_v212_v242
behavioral1/files/0x0008000000016dcf-38.dat	aspack_v212_v242
behavioral1/files/0x0001000000000026-55.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	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	HelpMe.exe

Executes dropped EXE 1 IoCs

pid	Process
2544	HelpMe.exe

Loads dropped DLL 31 IoCs

pid	Process
2380	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
2380	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.exe
2544	HelpMe.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)	\??\M:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\Q:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\Z:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\A:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\K:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\U:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\V:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\Y:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\J:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\S:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\P:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\R:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\N:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\W:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\H:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\L:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\O:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\T:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\E:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\G:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\B:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\I:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\X:	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened (read-only)	\??\B:	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	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	3b31ef3f1883060891da317010b06b94_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	3b31ef3f1883060891da317010b06b94_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 2380 wrote to memory of 2544	2380	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2544	2380	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2544	2380	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe	30
PID 2380 wrote to memory of 2544	2380	3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\3b31ef3f1883060891da317010b06b94_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3b31ef3f1883060891da317010b06b94_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:2380
- C:\Windows\SysWOW64\HelpMe.exe
  C:\Windows\system32\HelpMe.exe
  2⤵
  - Modifies WinLogon for persistence
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - Enumerates connected drives
  - Drops autorun.inf file
  - Drops file in System32 directory
  PID:2544

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-1506706701-1246725540-2219210854-1000\desktop.ini.exe

Filesize
305KB

MD5
7b45139150fcd1ac9771bd720ab0ffa3

SHA1
d18002047f0cc8a5bcc48331b0866231589b1a67

SHA256
f405da6502024ca563d7e7f588379636e9547cc29abf7e5be5715245064bcbe0

SHA512
6443b14f92f8766f00ec39ccb79e8170e75879a59a8925f4ed5c41f2750bf5f80789f0e0091b4bef30da3171bc81530bebbf9f7f7aff93d85e72c43b4d01af7c

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

Filesize
1KB

MD5
c04a0d6b01bb91996c36aea262f73fdb

SHA1
f2a2369aee177f0e43aaeaa6d3c85a144e271f81

SHA256
46cec0cfe2552c5dc3e97d0c158412c6e78f99d46b8c2bf9335a535e293d6b0f

SHA512
2464cc125d42e4fe915aef235361652067ea70cdfde2a9a293c76009038d3489bb40b5528d05b6f10e1deb547fd37854d48fc6ab577713f71c835201133e637f

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

Filesize
954B

MD5
c4c55fe878299462c2babb605f20b284

SHA1
ddbd9770db8451da6d2cdac49b5fb1761099e09e

SHA256
1d9435bddc372e5da51a8cb602782ad10b8f80fbd8eb515dc9dcc2e88ad0864a

SHA512
5b5c4fc83e8db14c5372a0dda0ef80323a8a2d026acdff8997c94fa396895636f88bf5e00bfb2c3b8f93bfdd7a7e305f31e62ba6af2b4c6c8788d6579c221330

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
305KB

MD5
3b31ef3f1883060891da317010b06b94

SHA1
87aebc786f176421b87873780ac36b106085a6c3

SHA256
51007ea697ffff05e8d9651634b0e37331b276bd176d117c260f54a10659abbe

SHA512
232c9a57a81a3f8194f206229e4267cd08217798fb7251675db29f62391d50bdbe4bc886c77bbaababb990aae0b5066daf216ed6f0c8c1aa9bf84bb9e08a6347

Download Submit
\Windows\SysWOW64\HelpMe.exe

Filesize
304KB

MD5
1708f7b2826d63b2efc009da17801173

SHA1
587b4433d2498b1ce873e17361bf512c3da0eb6d

SHA256
035df3f8756b80fce57cf4263c6a92ba9935ec00f2eeac00983a88ff0e52b231

SHA512
0911b18c1f10ae216545cf2e4e57e600818e392d6607916d8ac85f110fdce0fa194c22dad067602ad98a952919b7bd78e9c40686827494cb2856c3d132578ed7

Download Submit
memory/2380-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2544-10-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads