30979b20bbf2e53cc7a6d0f05dec1b4428960da6abc5c78e9f116b551a267d53

General

Target

70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
Size

857KB
MD5

70f223cca72acf33a633a0fee099065b
SHA1

102de80692749a34ce0df6c02b64f46c1246e254
SHA256

30979b20bbf2e53cc7a6d0f05dec1b4428960da6abc5c78e9f116b551a267d53
SHA512

0c172467961d62e5cd8be10b8501d0a5d86f2bf6198cdee6c3212c3a72614c21bb0cdc57c208edeff1e4252f675f7cdad649b654141ed7005aa2be2c34538d45
SSDEEP

24576:ZMMpXS0hN0V0HoSySGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63nN:Kwi0L0qlnxz

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

Processes:

70f223cca72acf33a633a0fee099065b_JaffaCakes118.exeHelpMe.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	70f223cca72acf33a633a0fee099065b_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

ASPack v2.12-2.42 3 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
\Windows\SysWOW64\HelpMe.exe	aspack_v212_v242
C:\$Recycle.Bin\S-1-5-21-330940541-141609230-1670313778-1000\desktop.ini.exe	aspack_v212_v242
F:\AutoRun.exe	aspack_v212_v242

Drops startup file 3 IoCs

Processes:

70f223cca72acf33a633a0fee099065b_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	70f223cca72acf33a633a0fee099065b_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	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

HelpMe.exe

pid process

2012 HelpMe.exe
Loads dropped DLL 2 IoCs

Processes:

70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe

pid process

2184 70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
2184 70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe

pid	process
2012	HelpMe.exe

pid	process
2184	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
2184	70f223cca72acf33a633a0fee099065b_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:

70f223cca72acf33a633a0fee099065b_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened (read-only)	\??\L:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\Z:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\I:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\U:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\P:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\M:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\T:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\V:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\B:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\R:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\S:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\O:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\J:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\E:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\N:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\X:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\Y:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\G:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\W:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\K:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\H:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\Q:	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\A:	70f223cca72acf33a633a0fee099065b_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:

70f223cca72acf33a633a0fee099065b_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened for modification	F:\AUTORUN.INF	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
File opened for modification	F:\AUTORUN.INF	HelpMe.exe

Drops file in System32 directory 2 IoCs

Processes:

70f223cca72acf33a633a0fee099065b_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	70f223cca72acf33a633a0fee099065b_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:

70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe

description	pid	process	target process
PID 2184 wrote to memory of 2012	2184	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe	HelpMe.exe
PID 2184 wrote to memory of 2012	2184	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe	HelpMe.exe
PID 2184 wrote to memory of 2012	2184	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe	HelpMe.exe
PID 2184 wrote to memory of 2012	2184	70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\70f223cca72acf33a633a0fee099065b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\70f223cca72acf33a633a0fee099065b_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:2184

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:2012

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
858KB

MD5
161e3a372cb47c9dc7bdd7d1f3cb5f72

SHA1
c3c23647afe665e3236225a4c813db7e0fd44558

SHA256
ea8c5769d17fe93b33e672a9d10f019d20109e0710c0b79888d1d2f8c4153fd6

SHA512
89b560536000ef841ebe9a18074aaf5bcce674c2771f205e298d5a20b700fe62cf0a49226c01b659ac07f216326f35b77d299ac08f3351bcdc4c7306aa665449

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
601838f081b836103b12de940f04e843

SHA1
357ee6d25c3dffcec706ac064c9af8c904dc20fa

SHA256
ac2ba4170059c9c101e8433ac09c4720540bca962db63577ccb2041b4f03eee5

SHA512
2a1c2487943368ccd049a56d41e63c92f03c2d9d0b8e69587920801029b4cf18a0bf0ef08f667c613dd6c3609f046193911b147ed1c3c8cd5fb51a45d6cd278d

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

MD5
7a169d1601affb69225d221bfaaf9915

SHA1
8f69b71611f5c6e527048008e710224eb8f694ee

SHA256
f0455b8ccf40b062269eedf049d6a8cfbf3241f509230967ca5e3f32762a6a18

SHA512
f0dd6c038640d4d8cb7c6b135d0b0decb42e19e66c4eefe3984c4ccbc6625059c4ac0a024c20ff1e4994af3ed79bd1ef91a4be1752b608612de7f2f3c13be497

Download Submit
F:\AUTORUN.INF
Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe
Filesize
857KB

MD5
70f223cca72acf33a633a0fee099065b

SHA1
102de80692749a34ce0df6c02b64f46c1246e254

SHA256
30979b20bbf2e53cc7a6d0f05dec1b4428960da6abc5c78e9f116b551a267d53

SHA512
0c172467961d62e5cd8be10b8501d0a5d86f2bf6198cdee6c3212c3a72614c21bb0cdc57c208edeff1e4252f675f7cdad649b654141ed7005aa2be2c34538d45

Download Submit
\Windows\SysWOW64\HelpMe.exe
Filesize
685KB

MD5
0a4b5ee828025a719ac8f91c4dc2dd77

SHA1
56c4433a5b50007cb176d7a31d23c2dc89cbe1b8

SHA256
9f0c35a8ed7d468314e387fd2ee7677465648913975e5a19e76927d2c292fabc

SHA512
5421873696bbd71368419609cc90390215beb171423c1ac39059b3c13bf842c053fd1699ac208bda2c3ca6dcda25239b53b8dce5a2503d7e2da5779e606a1557

Download Submit
memory/2012-261-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-283-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-93-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-363-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-239-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-353-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-241-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2012-343-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-251-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-9-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2012-331-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-323-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-313-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-273-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-299-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2012-293-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-330-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-322-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-298-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-282-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-92-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-272-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-292-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2184-312-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-260-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-338-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-250-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-352-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-240-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2184-362-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2184-238-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads