be320e20f29e49ef90082f84fed1736dd2434f1bd9d222b2ba76030ad92e93fa

General

Target

70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
Size

1.4MB
MD5

70d462fc99a5c81c15a0738faeadd584
SHA1

6babff7528d909326ada0cbcff5e280485aa5eac
SHA256

be320e20f29e49ef90082f84fed1736dd2434f1bd9d222b2ba76030ad92e93fa
SHA512

19ecd315fdf0f5a390b3343f1b4e5169986ca9b0dcbcbc19e77d6c8f124f369680a6c1a99b8df1fff87a3d59e5229ee8500ef070f2261f23dc47bc63367eac04
SSDEEP

24576:TEtl9mRda1cSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvM:oEs1ha

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:

70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exeHelpMe.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	70d462fc99a5c81c15a0738faeadd584_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:

70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	70d462fc99a5c81c15a0738faeadd584_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	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

HelpMe.exe

pid process

2288 HelpMe.exe
Loads dropped DLL 2 IoCs

Processes:

70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe

pid process

2800 70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
2800 70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe

pid	process
2288	HelpMe.exe

pid	process
2800	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
2800	70d462fc99a5c81c15a0738faeadd584_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:

70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened (read-only)	\??\O:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\Q:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\R:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\Y:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\K:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\M:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\A:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\G:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\X:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\Z:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\E:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\J:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\H:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\P:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\W:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\B:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\N:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\U:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\S:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\T:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\I:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\L:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\V:	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened (read-only)	\??\H:	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

Processes:

HelpMe.exe70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe

description	ioc	process
File opened for modification	F:\AUTORUN.INF	HelpMe.exe
File opened for modification	F:\AUTORUN.INF	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

Processes:

70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	70d462fc99a5c81c15a0738faeadd584_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:

70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe

description	pid	process	target process
PID 2800 wrote to memory of 2288	2800	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe	HelpMe.exe
PID 2800 wrote to memory of 2288	2800	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe	HelpMe.exe
PID 2800 wrote to memory of 2288	2800	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe	HelpMe.exe
PID 2800 wrote to memory of 2288	2800	70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\70d462fc99a5c81c15a0738faeadd584_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\70d462fc99a5c81c15a0738faeadd584_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:2800

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:2288

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\$Recycle.Bin\S-1-5-21-2248906074-2862704502-246302768-1000\desktop.ini.exe
Filesize
1.4MB

MD5
3135967bec9b84caaae86be457158a77

SHA1
941e72e65d14aea9ba572c48278a8c32705cee6e

SHA256
d4a55db1593f90088b0debb760be0006a5fef3eb2f97e8582d57f12af98d3852

SHA512
28aa9891da00e362959670e50bf48f58667cf80d9fc293bfb05da1c5353831ff8d397b2e7352ccdb2cf30974a8a78e3799306124b8fdebdd4d5d76649502cf57

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

MD5
b95ce058c56c3aefd5ee845fe94650cb

SHA1
ae7c8043cfb3394d63277f67e38a6661b7f16613

SHA256
b6ffe892d431f03586d07dcdb586d9bad74ff754f9bd003ad63160afdef72145

SHA512
81422b90f91cb205afb33cf99197efa1572e5977a4ce5dcd6bc35be789e177bc03f203be607430ed4629acdef95f1505a2eba7e73067673afcf28d9c4f1763d4

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
502a5b67c591bf60eeefa71065a2ae75

SHA1
3b74b7b1c777897cbed9ea883dbb6e779a02a84b

SHA256
3595d934df1f309c23af71814acf49b5b043755432bf98698b4279bddafbc9b0

SHA512
983c18641340b305955181cf1ed5a839be6c3ab49c245a48489079bb5ca9ca3c9f7c59fac41021ac7081914418854647a4cedfd1c8c82ab3a50ac9c6a8fbb47f

Download Submit
F:\AUTORUN.INF
Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe
Filesize
1.4MB

MD5
70d462fc99a5c81c15a0738faeadd584

SHA1
6babff7528d909326ada0cbcff5e280485aa5eac

SHA256
be320e20f29e49ef90082f84fed1736dd2434f1bd9d222b2ba76030ad92e93fa

SHA512
19ecd315fdf0f5a390b3343f1b4e5169986ca9b0dcbcbc19e77d6c8f124f369680a6c1a99b8df1fff87a3d59e5229ee8500ef070f2261f23dc47bc63367eac04

Download Submit
\Windows\SysWOW64\HelpMe.exe
Filesize
1.4MB

MD5
3e51d60fde771db71aa37ff81bc88c84

SHA1
e82205dedb9e1606df254fc0db3dec3640f4d5d9

SHA256
c45285cb849a2aa19e733d7fe4de8ac987d1ef31154274aa866e609c61a8c0d3

SHA512
b6475d5fe532d06e1dc7f8c818fb7a066ad253d6d1eca2b9f81baf3d413acfb41eb5cb72798aa8d5a04cc853727bfbddabe1db85a3601afbd09649752c04785d

Download Submit
memory/2288-255-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-277-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-11-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-367-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-357-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-347-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-232-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-335-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-327-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-243-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-245-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-317-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-307-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-297-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-287-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-267-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2288-12-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2800-244-0x0000000000330000-0x00000000003A7000-memory.dmp

Filesize
476KB

Download
memory/2800-4-0x0000000000330000-0x00000000003A7000-memory.dmp

Filesize
476KB

Download
memory/2800-276-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-296-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-0-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-306-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-254-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-316-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-262-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-286-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-334-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-242-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-237-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2800-346-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-231-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-356-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2800-366-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2800-326-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads