ecd58d531ddcad00b7f9074677c149f2413be98b6f4e544cfc350692b20cb3f0

General

Target

736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
Size

688KB
MD5

736d9b379dd719e83ab72087e049a926
SHA1

8c1046878e2c9552dfed5e669bd094912441b323
SHA256

ecd58d531ddcad00b7f9074677c149f2413be98b6f4e544cfc350692b20cb3f0
SHA512

f5720a9c7899c4506986041b8ccef9e8036d49fe0729b2a13b3d0163efaac1ce964fe13fdaa1f52a9ba7539ab63f6fbf470e4c59785b376f09aaf22a647b3a65
SSDEEP

12288:ZMMpXKb0hNGh1kG0HWnAlU866w0B2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlO:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrWx

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:

736d9b379dd719e83ab72087e049a926_JaffaCakes118.exeHelpMe.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	736d9b379dd719e83ab72087e049a926_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-1-5-21-2248906074-2862704502-246302768-1000\desktop.ini.exe	aspack_v212_v242
F:\AutoRun.exe	aspack_v212_v242

Drops startup file 3 IoCs

Processes:

736d9b379dd719e83ab72087e049a926_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	736d9b379dd719e83ab72087e049a926_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	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

HelpMe.exe

pid process

1756 HelpMe.exe
Loads dropped DLL 2 IoCs

Processes:

736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe

pid process

1276 736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
1276 736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe

pid	process
1756	HelpMe.exe

pid	process
1276	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
1276	736d9b379dd719e83ab72087e049a926_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:

736d9b379dd719e83ab72087e049a926_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened (read-only)	\??\O:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\Z:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\E:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\L:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\P:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\W:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\I:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\K:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\Q:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\T:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\A:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\H:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\X:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\U:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\M:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\S:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\R:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\B:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\N:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\V:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\Y:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\G:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\J:	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\O:	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.exe736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe

description	ioc	process
File opened for modification	F:\AUTORUN.INF	HelpMe.exe
File opened for modification	F:\AUTORUN.INF	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

Processes:

736d9b379dd719e83ab72087e049a926_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	736d9b379dd719e83ab72087e049a926_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:

736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe

description	pid	process	target process
PID 1276 wrote to memory of 1756	1276	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe	HelpMe.exe
PID 1276 wrote to memory of 1756	1276	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe	HelpMe.exe
PID 1276 wrote to memory of 1756	1276	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe	HelpMe.exe
PID 1276 wrote to memory of 1756	1276	736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\736d9b379dd719e83ab72087e049a926_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\736d9b379dd719e83ab72087e049a926_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:1276

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:1756

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-1-5-21-2248906074-2862704502-246302768-1000\desktop.ini.exe
Filesize
689KB

MD5
ed26b2c1f23e60ca0a87ad1da0537fd0

SHA1
0fd513e7c9b8ade1dbf81173de67174c305a76db

SHA256
04a9244dd1e02b7168439064918cf36f7ccaf84f56e89a39bdce2a110d998ba5

SHA512
14d9391c34e03f017e0724503be1dd342ffc871ebd57cfef08052eb5c2bc175854c91ff4e069c939117302fb7a028879289f1b12dba4647f043c1538ea0c1e66

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

MD5
8652b7770f51704f0ec33fd85b306708

SHA1
8e43ef91a95de1ee46e9d23bc31cbae58ae910f3

SHA256
a8a088f795136d6e23e64364c0ce20157737f1734ac32d179442b3edc4be204f

SHA512
54f299ee96176040b6945ec96560f6ef0be75ceb8de14ce789b922fb3a10b70c18368a1d03649673ab6b6acd8ec95e06bd275361321935257f7ab620daa5e01b

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
1ab1e79264369515ccff9cee37477a6d

SHA1
80f7515015c481e6629c9b99285a7e165bd4b039

SHA256
3aebec21c76996b33d09c474c777c2ad6498d465c18cbed283abd35783c45a99

SHA512
ae6ba3fff16c3132b2fa1ae1e49e051dc7eb6dba75d0790edde3470473226bb2880e66220b8303aab4dbf1ceb1ff1b9ff23b04793920df48019d0ceb977a5c6c

Download Submit
F:\AUTORUN.INF
Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe
Filesize
688KB

MD5
736d9b379dd719e83ab72087e049a926

SHA1
8c1046878e2c9552dfed5e669bd094912441b323

SHA256
ecd58d531ddcad00b7f9074677c149f2413be98b6f4e544cfc350692b20cb3f0

SHA512
f5720a9c7899c4506986041b8ccef9e8036d49fe0729b2a13b3d0163efaac1ce964fe13fdaa1f52a9ba7539ab63f6fbf470e4c59785b376f09aaf22a647b3a65

Download Submit
\Windows\SysWOW64\HelpMe.exe
Filesize
688KB

MD5
64a8098b4243ef9bbe8f89d37ee100b1

SHA1
9b03863ce1fcbe8ea2c41769f2bb78bb416bef39

SHA256
ab294b842c138b608a02c6e5e014a4bcca89922d4c92e177adbe4d4c4205ea54

SHA512
685355f5eb2587e3a520a9280b535c77fc2a617fe11ee6a410392cf61d0edcc9a7e824a2277f6b6aa9e35131dfedb4346da58e4ec028e6dcacf38f778090a794

Download Submit
memory/1276-320-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-290-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-228-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-360-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-238-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-350-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-248-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-340-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-260-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-326-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-270-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1276-280-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-310-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1276-300-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-321-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-327-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-301-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-281-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-311-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-271-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-291-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-261-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-9-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1756-249-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-341-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-239-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-351-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-229-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1756-361-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads