69a72508098a148e77157803d53e32f2c5b1ff1e0a50a4a35c2a841e6c57ea70

General

Target

69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
Size

793KB
MD5

69f6b8b5c9fd357f8b525d5b9a42c1a1
SHA1

166521f50eaa4e383cf88355f2c502703315217e
SHA256

69a72508098a148e77157803d53e32f2c5b1ff1e0a50a4a35c2a841e6c57ea70
SHA512

58116dd3dc193c015cbf0b6b6d580b0a2190e4000f852c7b9d8cd57297ab02b2e98346af0e5a60860fe19fca73542b968e8baa5a5691e4c26ae9045d38ade40c
SSDEEP

24576:ZMMpXS0hN0V0HoSMMMpXS0hN0V0HoSeSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFW:Kwi0L0qlFwi0L0qlLn

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:

HelpMe.exe69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	HelpMe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.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-1-5-21-2737914667-933161113-3798636211-1000\desktop.ini.exe	aspack_v212_v242
F:\AutoRun.exe	aspack_v212_v242

Drops startup file 3 IoCs

Processes:

HelpMe.exe69f6b8b5c9fd357f8b525d5b9a42c1a1_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	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

HelpMe.exe

pid process

2072 HelpMe.exe
Loads dropped DLL 2 IoCs

Processes:

69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe

pid process

308 69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
308 69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe

pid	process
2072	HelpMe.exe

pid	process
308	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
308	69f6b8b5c9fd357f8b525d5b9a42c1a1_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:

69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened (read-only)	\??\N:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\A:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\J:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\M:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\G:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\H:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\Y:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\S:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\W:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\U:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\I:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\P:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\L:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\Z:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\V:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\K:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\R:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\Q:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\T:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\X:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\B:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\O:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\E:	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened (read-only)	\??\R:	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.exe69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe

description	ioc	process
File opened for modification	F:\AUTORUN.INF	HelpMe.exe
File opened for modification	F:\AUTORUN.INF	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

Processes:

69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	69f6b8b5c9fd357f8b525d5b9a42c1a1_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:

69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe

description	pid	process	target process
PID 308 wrote to memory of 2072	308	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe	HelpMe.exe
PID 308 wrote to memory of 2072	308	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe	HelpMe.exe
PID 308 wrote to memory of 2072	308	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe	HelpMe.exe
PID 308 wrote to memory of 2072	308	69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\69f6b8b5c9fd357f8b525d5b9a42c1a1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\69f6b8b5c9fd357f8b525d5b9a42c1a1_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:308

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:2072

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
794KB

MD5
c0f550f4446bf5851c6006c0cd16e8bd

SHA1
7adbfa1b00849edbec5a5750c5713e0b63b47fbb

SHA256
2926ee69b0af5c5985c866dfa99d7604490c4390856a9e60a4216cd608d6b74f

SHA512
822521f58a832f9e8ce1d6a87531a8fddb14aaaac4172434b0fdc9282640c9fbabc4c4d41b5498127120d9c66e5e39612444db2db53c0e7bf8777e42e8d48b0e

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

MD5
6794ff6283712458cd962ddbd9d4c7f8

SHA1
dc5a6408e50e3f9a345b549316ac63067ed1b3cf

SHA256
aa91d96e72773a240fd08fd54581f3a59d0277347c18a540fbb3bbd2205e305f

SHA512
c52971f0e8861e435da58c0189d0ac6e9e070cf489a8bb707f89951ddfad9d26e1b9eb15338beb7d6491afe2236d4e37bdd3ef6e54fc62fb111d5dc6c0057167

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
f7c236a21a39c8293d88f080c1a5d056

SHA1
bbdf107d8c94274378581003a2a697b1ca9c6fbb

SHA256
e5f5833b8cd31d2e0d76b7370d459aa39e4b0e17be138529f7bfde5a541bf4d4

SHA512
1ed632dd93916ccd5ca6100200ee35d50283b81c6cfb3823791fce8ce5f96f98122e5491e81f8cba969e904a70d81e6c178e08888eec923ef302697425bb22e3

Download Submit
F:\AUTORUN.INF
Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe
Filesize
793KB

MD5
69f6b8b5c9fd357f8b525d5b9a42c1a1

SHA1
166521f50eaa4e383cf88355f2c502703315217e

SHA256
69a72508098a148e77157803d53e32f2c5b1ff1e0a50a4a35c2a841e6c57ea70

SHA512
58116dd3dc193c015cbf0b6b6d580b0a2190e4000f852c7b9d8cd57297ab02b2e98346af0e5a60860fe19fca73542b968e8baa5a5691e4c26ae9045d38ade40c

Download Submit
\Windows\SysWOW64\HelpMe.exe
Filesize
793KB

MD5
f9d945eb5aebb6bf6e63bbb5da01f79b

SHA1
41c9158406cf5ec061f51f0cc4d347bbc3ec6187

SHA256
58f465b3158e4e0789488a6cc83d06833e3972c5d432574689d92a7af7bf7111

SHA512
210383b810b6b4980d39dce77f3e39824511b6aff0cac50d3f86cd3d48783cebf9bb959c727403da9360682be2c2de446604d7f64bfe34c84f5cb442db5fdf51

Download Submit
memory/308-238-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-350-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/308-300-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-360-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-366-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-248-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-228-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-256-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-340-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-270-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-328-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-280-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-320-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-290-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/308-310-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-229-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-301-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-291-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-311-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-281-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-321-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-271-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-329-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-261-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-341-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-249-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-351-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-239-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-361-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2072-9-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads