1c6af250f77229453db7d19ef763ef3e3deb8343f215f32a063fb1f0ee917405

General

Target

69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
Size

892KB
MD5

69ccfd5795d9e3745e415d8caf93e651
SHA1

4a453a58d3400e0d5874568b0688f2ecd9750356
SHA256

1c6af250f77229453db7d19ef763ef3e3deb8343f215f32a063fb1f0ee917405
SHA512

eada8d725eb59022133030b6c02062406e3be06a137a8f3abba785cc0e6d75abd60d643d17333560965221f021b7b326eb4463c5b14e008383118584a867558a
SSDEEP

24576:TEtl9mRda1cSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvR:oEs1hz

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:

69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exeHelpMe.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	69ccfd5795d9e3745e415d8caf93e651_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:

69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	69ccfd5795d9e3745e415d8caf93e651_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	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

HelpMe.exe

pid process

2760 HelpMe.exe
Loads dropped DLL 2 IoCs

Processes:

69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe

pid process

1900 69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
1900 69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe

pid	process
2760	HelpMe.exe

pid	process
1900	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
1900	69ccfd5795d9e3745e415d8caf93e651_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:

69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened (read-only)	\??\B:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\H:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\K:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\O:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\R:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\V:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\J:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\T:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\E:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\L:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\N:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\P:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\Q:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\U:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\X:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\G:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\I:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\M:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\Y:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\Z:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\A:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\W:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\S:	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\N:	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:

69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened for modification	C:\AUTORUN.INF	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
File opened for modification	F:\AUTORUN.INF	HelpMe.exe
File opened for modification	F:\AUTORUN.INF	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

Processes:

69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	69ccfd5795d9e3745e415d8caf93e651_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:

69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe

description	pid	process	target process
PID 1900 wrote to memory of 2760	1900	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe	HelpMe.exe
PID 1900 wrote to memory of 2760	1900	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe	HelpMe.exe
PID 1900 wrote to memory of 2760	1900	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe	HelpMe.exe
PID 1900 wrote to memory of 2760	1900	69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\69ccfd5795d9e3745e415d8caf93e651_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\69ccfd5795d9e3745e415d8caf93e651_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:1900

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:2760

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-1-5-21-2737914667-933161113-3798636211-1000\desktop.ini.exe
Filesize
893KB

MD5
18a1bb8a72a0cc97bace9eb54fb6609c

SHA1
6de5e3e8c47d3fbcb76bbc7b8c9ee1caeb0a92b5

SHA256
0d0d4a193fa24656892629b1e9f68bc8c602b82c1634b817636d9fdcfee94fbf

SHA512
d6ce8d21b50ce78821e2abb13c0a8ade96891fbe467efb5d0d589ae291c1941feb4d1769bf145ee2ed9a4aa5e42b50876444cea19fae2d4415e147ac533213f9

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

MD5
a240d1be75bb3bae6e3f4813115244f0

SHA1
d32eb5b205e16a8bc3cb712526f46aaf62da5607

SHA256
09f4b30096aff420aadbf874b2f90c42f5a84d1df378aeaf9e38137700d2fca7

SHA512
6deae3997ea335747e46c711450a883834bb81445bbc02d0e99c06b6a5e61303d5dba3b07a32d8f94275c4ac56f721fb1ccfca8d3a6f148444c2f70e8343e593

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
bbbcc4e85882649ea7f06d3a7476fb2a

SHA1
0e0884a04edffb442fb4356933ca021994ff2e24

SHA256
c64a3208803e24a2fa5f4855321dccaa3d1b0c84d3b9e64af4bf55832222dd16

SHA512
f1067f60c2c8d3caca7c23c09ea5256a52922a54aab4baca5fe2b21dd258ea66209eac5d0f723a0533e1a656136dc892334b023b5172827e802bda9b1f2580cb

Download Submit
F:\AUTORUN.INF
Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe
Filesize
892KB

MD5
69ccfd5795d9e3745e415d8caf93e651

SHA1
4a453a58d3400e0d5874568b0688f2ecd9750356

SHA256
1c6af250f77229453db7d19ef763ef3e3deb8343f215f32a063fb1f0ee917405

SHA512
eada8d725eb59022133030b6c02062406e3be06a137a8f3abba785cc0e6d75abd60d643d17333560965221f021b7b326eb4463c5b14e008383118584a867558a

Download Submit
\Windows\SysWOW64\HelpMe.exe
Filesize
876KB

MD5
914c01e11c4bc89b8a0ced7b5523ad68

SHA1
33a5b68a34b45f2b6ee562388a1605392d2fa028

SHA256
3367ed41875dfc41e9e6db08cde1610f5217b9ec4e5a2fe787dd247e2192d1b0

SHA512
c7f6206d688b050f3412a83cf9d1522497001ca9f3a98f1f1d7a2da7d8031a83d4fbf197a68cbce27b6f9170e34d789b5b5e9ec2db305eea5849093c40c85c2f

Download Submit
memory/1900-263-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-325-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-365-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-4-0x0000000001CB0000-0x0000000001D27000-memory.dmp

Filesize
476KB

Download
memory/1900-231-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-233-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-355-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-242-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-345-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-333-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-2-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-253-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-315-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-0-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-305-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-275-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-295-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/1900-285-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-326-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-306-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-286-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-264-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-243-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-254-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-316-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-334-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-296-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-276-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-13-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-244-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-346-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-232-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-356-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-11-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2760-366-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads