3d923a9b2ad2bcf4b9dbfe53afc2f43ee20cf7bda700d9e974ac43a1ecd712a9

General

Target

69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
Size

956KB
MD5

69d09ce895a954aec3630d5ec7d7c84c
SHA1

e023ba1ea8c3b1b503964053907a18bbec003f05
SHA256

3d923a9b2ad2bcf4b9dbfe53afc2f43ee20cf7bda700d9e974ac43a1ecd712a9
SHA512

f045343a9a9498a9b2979dc5e62a4138ac06ef967f8a40f31d136045daa1e6155f6e2f0966a7a6c9c28f7d903eb01fd4d3d5fa9cda5045f49aa57abe0b26ee71
SSDEEP

24576:KEtl9mRda1bCSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJj:BEs1L1

Score

10^/10

persistence ransomware

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exeHelpMe.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	69d09ce895a954aec3630d5ec7d7c84c_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

Drops startup file 3 IoCs

Processes:

69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	69d09ce895a954aec3630d5ec7d7c84c_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	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

HelpMe.exe

pid process

2912 HelpMe.exe
Loads dropped DLL 2 IoCs

Processes:

69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe

pid process

2660 69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
2660 69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe

pid	process
2912	HelpMe.exe

pid	process
2660	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
2660	69d09ce895a954aec3630d5ec7d7c84c_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

Processes:

HelpMe.exe69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\I:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\H:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\R:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\X:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\B:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\E:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\K:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\T:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\Y:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\A:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\J:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\N:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\O:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\P:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\S:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\U:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\G:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\Q:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\V:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\W:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\Z:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\M:	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\L:	69d09ce895a954aec3630d5ec7d7c84c_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

Processes:

69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened for modification	C:\AUTORUN.INF	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
File opened for modification	F:\AUTORUN.INF	HelpMe.exe
File opened for modification	F:\AUTORUN.INF	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

Processes:

69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	69d09ce895a954aec3630d5ec7d7c84c_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

Processes:

69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe

description	pid	process	target process
PID 2660 wrote to memory of 2912	2660	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe	HelpMe.exe
PID 2660 wrote to memory of 2912	2660	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe	HelpMe.exe
PID 2660 wrote to memory of 2912	2660	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe	HelpMe.exe
PID 2660 wrote to memory of 2912	2660	69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\69d09ce895a954aec3630d5ec7d7c84c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\69d09ce895a954aec3630d5ec7d7c84c_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:2660

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:2912

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\$Recycle.Bin\S-1-5-21-330940541-141609230-1670313778-1000\desktop.ini.exe
Filesize
957KB

MD5
bd7f75a539acf27a2d89779a8041d145

SHA1
41242ef5504c5812cc877d0ea22b4030c35690a6

SHA256
de9f510a122f4ae80bf0600d386a80192284baf58f9427571d1eb24f8b38914d

SHA512
0ce48348f7e9cd8efe7c67f47d82f9ffac271c05c4b85692e65a956453b998164693a78a937186cf5dc222c0ebb16c8a013cec9efc8b7464cc3c8843949dafd6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
Filesize
950B

MD5
71b8633408a49332030c7de0f6b55f57

SHA1
bbfccd724f7df10f928faf9dbf2c3d259eeeb083

SHA256
d944a888dfe876feed6dfdf8dc2b8e8ab4f63562c9bf6c095a2275558ee1ec8a

SHA512
1e14bef738f77d2a34f60ce07ad6e863e4276eb4d52095759f31caad4a90898e2eb15fdb008c28f856072b92814cd369e735d302650aab46aa7b21dd5b9a9710

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
Filesize
1KB

MD5
1dc4c71f32c3315b04f4c5644e91f4fd

SHA1
5dfd06d7f2060664f8683195dbb773851815ab80

SHA256
3380c78b950bd818d2d943a94ff457adc8a5f64fd59d70706d10d769524deece

SHA512
5ffc33e7c53db3af59e2f93ee64c21209c410dd8e7c9b8fe4134d58be7d8a95a493a4efea8aa0cf29bb9b4fc6aa50ff6d5331c2119bededdeee14d2f8bc9cc53

Download Submit
F:\AUTORUN.INF
Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe
Filesize
956KB

MD5
69d09ce895a954aec3630d5ec7d7c84c

SHA1
e023ba1ea8c3b1b503964053907a18bbec003f05

SHA256
3d923a9b2ad2bcf4b9dbfe53afc2f43ee20cf7bda700d9e974ac43a1ecd712a9

SHA512
f045343a9a9498a9b2979dc5e62a4138ac06ef967f8a40f31d136045daa1e6155f6e2f0966a7a6c9c28f7d903eb01fd4d3d5fa9cda5045f49aa57abe0b26ee71

Download Submit
\Windows\SysWOW64\HelpMe.exe
Filesize
906KB

MD5
3b30cc4a099028e8b0b15c04f9303f0f

SHA1
72097b306effd0d853e0c8f442b19103ebde727e

SHA256
67c789e1971c9466be49c536ce9633b47f7d89b4408015fd1508e06fc8c8878f

SHA512
3e9912fc622243abdc546839174da73383e507d41624a290234e81351804b1ffcf2d83bcd356bff7af7d9490b5d1d2a7c2a4eb5816726f8a1ce3a8458d2504a0

Download Submit
memory/2660-0-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2660-88-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2660-135-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2660-236-0x0000000000360000-0x00000000003D8000-memory.dmp

Filesize
480KB

Download
memory/2660-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2912-12-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2912-10-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2912-241-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads