b2c5cd7921f504fb0ac85e33e7c95acaee999beaca30bd41ddbb29d88082199e

General

Target

0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
Size

769KB
MD5

0066df38d959c814fa667b42644dfb0b
SHA1

e223e25a179c615db3a157f4cf6e7c026aa2234a
SHA256

b2c5cd7921f504fb0ac85e33e7c95acaee999beaca30bd41ddbb29d88082199e
SHA512

3bc57ad96c40a9c48f579db355a44d65bf14d751687dcb6f5c02fa6026691970a13014136526de2588c9587e5bf306524d00f69b7c0470e981950281e619b7da
SSDEEP

24576:TEtl9mRda1cSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvy:oEs1hE

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:

0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exeHelpMe.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	0066df38d959c814fa667b42644dfb0b_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:

HelpMe.exe0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe

description	ioc	process
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	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

HelpMe.exe

pid process

1500 HelpMe.exe
Loads dropped DLL 2 IoCs

Processes:

0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe

pid process

2980 0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
2980 0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe

pid	process
1500	HelpMe.exe

pid	process
2980	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
2980	0066df38d959c814fa667b42644dfb0b_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.exe0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\H:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\Y:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
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)	\??\N:	HelpMe.exe
File opened (read-only)	\??\A:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\J:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\Q:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\U:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\W:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\X:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\B:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\O:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\R:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\S:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\L:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\N:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\Z:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\E:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\I:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\K:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\G:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\T:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\M:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\P:	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened (read-only)	\??\V:	0066df38d959c814fa667b42644dfb0b_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:

0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened for modification	F:\AUTORUN.INF	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File opened for modification	F:\AUTORUN.INF	HelpMe.exe

Drops file in System32 directory 4 IoCs

Processes:

0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\HelpMe.exe	HelpMe.exe
File opened for modification	C:\Windows\SysWOW64\HelpMe.exe	HelpMe.exe
File created	C:\Windows\SysWOW64\notepad.exe.exe	HelpMe.exe

Drops file in Program Files directory 1 IoCs

Processes:

HelpMe.exe

description ioc process

File created C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe HelpMe.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

HelpMe.exe

pid process

1500 HelpMe.exe

description	ioc	process
File created	C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe	HelpMe.exe

pid	process
1500	HelpMe.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe

description	pid	process	target process
PID 2980 wrote to memory of 1500	2980	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe	HelpMe.exe
PID 2980 wrote to memory of 1500	2980	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe	HelpMe.exe
PID 2980 wrote to memory of 1500	2980	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe	HelpMe.exe
PID 2980 wrote to memory of 1500	2980	0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\0066df38d959c814fa667b42644dfb0b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0066df38d959c814fa667b42644dfb0b_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:2980

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
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1500

Network

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-1-5-21-330940541-141609230-1670313778-1000\desktop.ini.exe

Filesize
770KB

MD5
78f3208e88fc0ec4a63e503d2a539a36

SHA1
eee75d2ba46721d9faeebd2830fd8ae9f29a60d8

SHA256
992452d7365afe3799c34592b750ee58553ba754ad43b765a2f6c762b673f88c

SHA512
bdb1825cbf0bf12f3e4beba4c43d6292217bda305f77725fea066cc95e3d52dfe9a017d6c416207da9c133beb9b0706bb6fab6393946e6d3af5be82061030846

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

Filesize
950B

MD5
e6111bcded339b44554b7f173431bf49

SHA1
407aa3d9c17068b46284ef98ad5f1f0ec12b0560

SHA256
24f76638132ac20171b8b527e65101187b0eceb5dcd3f825707ed2462d1d21d4

SHA512
dc3a4be9a8757907f9bfd3f563e9d31fda9b2fca6c479f425e772c3b32a71d479b9afecbfc452df166d5cb510a5c86b7635164239ff993c6ef6ea9d84642217d

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
1KB

MD5
c9f23f144b09a32034eed6fbb6b565ec

SHA1
e332bbdc4d8bdec83fb217fe83a16f24d382edb4

SHA256
6abba2d75c206606c7477f929f3e18486937da877c4cde458f1ee02cab8a0e3f

SHA512
dab7554d400780a009b6a59fce94d60a54295097d04b0650d9e288b778d06855d73a6c7bf8ad0b7ab0375f828e3fb66ab21ccd5cedf11a8a3806a5e4692e6320

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
769KB

MD5
0066df38d959c814fa667b42644dfb0b

SHA1
e223e25a179c615db3a157f4cf6e7c026aa2234a

SHA256
b2c5cd7921f504fb0ac85e33e7c95acaee999beaca30bd41ddbb29d88082199e

SHA512
3bc57ad96c40a9c48f579db355a44d65bf14d751687dcb6f5c02fa6026691970a13014136526de2588c9587e5bf306524d00f69b7c0470e981950281e619b7da

Download Submit
\Windows\SysWOW64\HelpMe.exe

Filesize
721KB

MD5
241134c0173d4273d46f983399715d83

SHA1
78393d0db3413bd592defbffbd53ddc6eb21b619

SHA256
a05577592ef23e5a4ae9f1cdcfd97b3ecd9c24cac7e78126d921ff3cf202883b

SHA512
9d640b8386c5d10e8efbf66ebafe9df0688c365b8ebf7a57b9b2204ba149bf0ba7224a70648ffe43f67e20b3d6d3a13c6c46053166fa9480cd6700cc05b3ed77

Download Submit
memory/1500-259-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-281-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-13-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1500-12-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-371-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-361-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-101-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-349-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-341-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-331-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-248-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-249-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-321-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-311-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-301-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-271-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1500-291-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-247-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-11-0x0000000000370000-0x00000000003E7000-memory.dmp

Filesize
476KB

Download
memory/2980-280-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-300-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-270-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-308-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-0-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-258-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-320-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-290-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-330-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-128-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2980-340-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2980-348-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-100-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-360-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2980-4-0x0000000000370000-0x00000000003E7000-memory.dmp

Filesize
476KB

Download
memory/2980-370-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads