c25d84c7ff7416d1dc1466ef04bb93079d96521ddca53b5f94f0e89446a1d9cb

General

Target

6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
Size

819KB
MD5

6c21a45fe14032a24019a552ee571570
SHA1

0b73192ecf7502061b59d14808750eba47a71d90
SHA256

c25d84c7ff7416d1dc1466ef04bb93079d96521ddca53b5f94f0e89446a1d9cb
SHA512

0afc7f7ae971af6d1d2ac6041f9e218733517c775622cf770eb2ca1d622b5c812ba8db96fbf0fc84ed42fba19395f9d9dd7b8d38cd90afb39063d9340a07107d
SSDEEP

24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0N/:Kwi0L0qks

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:

6c21a45fe14032a24019a552ee571570_JaffaCakes118.exeHelpMe.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	6c21a45fe14032a24019a552ee571570_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-1-5-21-3627615824-4061627003-3019543961-1000\desktop.ini.exe	aspack_v212_v242
F:\AutoRun.exe	aspack_v212_v242

Drops startup file 3 IoCs

Processes:

6c21a45fe14032a24019a552ee571570_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	6c21a45fe14032a24019a552ee571570_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	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

HelpMe.exe

pid process

2372 HelpMe.exe
Loads dropped DLL 2 IoCs

Processes:

6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe

pid process

1736 6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
1736 6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe

pid	process
2372	HelpMe.exe

pid	process
1736	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
1736	6c21a45fe14032a24019a552ee571570_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:

6c21a45fe14032a24019a552ee571570_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened (read-only)	\??\B:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\G:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\M:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\N:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\Q:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\V:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\E:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\O:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\R:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\X:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\A:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\W:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\L:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\K:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\P:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\H:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\T:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\Y:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\I:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\J:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\L:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\Z:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\S:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\U:	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\X:	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:

6c21a45fe14032a24019a552ee571570_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File opened for modification	F:\AUTORUN.INF	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened for modification	C:\AUTORUN.INF	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
File opened for modification	F:\AUTORUN.INF	HelpMe.exe

Drops file in System32 directory 2 IoCs

Processes:

6c21a45fe14032a24019a552ee571570_JaffaCakes118.exeHelpMe.exe

description	ioc	process
File created	C:\Windows\SysWOW64\HelpMe.exe	6c21a45fe14032a24019a552ee571570_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:

6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe

description	pid	process	target process
PID 1736 wrote to memory of 2372	1736	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe	HelpMe.exe
PID 1736 wrote to memory of 2372	1736	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe	HelpMe.exe
PID 1736 wrote to memory of 2372	1736	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe	HelpMe.exe
PID 1736 wrote to memory of 2372	1736	6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe	HelpMe.exe

C:\Users\Admin\AppData\Local\Temp\6c21a45fe14032a24019a552ee571570_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6c21a45fe14032a24019a552ee571570_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:1736

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:2372

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-3627615824-4061627003-3019543961-1000\desktop.ini.exe
Filesize
819KB

MD5
0d8b3c9bef4d58be3333e855a40535cc

SHA1
4a94bcbf16f7914adcccf26fb5eb36293bbe9e4c

SHA256
a68259deb7ea57b1602ad0249c786880a14b3f36245b6891095406ad8a2bbc6e

SHA512
d0017640b3397d6c36f89d56994cc86003c8c27b00e9f3d5a5a7a98b986ff00d865a17e3363bdcea1f58a08ac30d970d7b8f28a8deeedb24068fdedef1701355

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

MD5
5e60d561c70ce7544817260c9215a8d7

SHA1
9168efc125df27acc9db5b593b46502ac5dc259b

SHA256
3b56538a54b5be64d9a1102827360c9db3584f02629943984fad6f28b2f560a3

SHA512
06f91cc319a9cc7938872b9dc4adfe5b1971bc6ec9cee780fe4910a072834dbc6277bbe24079dd63e1dcd255c07676edc5cc26f9da95a4a39b6f042916e389d0

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
954B

MD5
e5b6371e20185fdd1c75086b11d0e5fe

SHA1
f82c790d489e1e822f5ccfa2a2f37d5790d81ddf

SHA256
43380909bff857c9f53b6f4006340d39cf394244d359c18f6f9af69e72faff91

SHA512
2543bd059696ecc0c29465573a2bc2f11d787e65a30d93a37cde63558aa482ba9dd64bbc0d52a00ead3296ad6e238d5021d13f2155d7f03af51a35cf064d062d

Download Submit
F:\AUTORUN.INF
Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe
Filesize
819KB

MD5
6c21a45fe14032a24019a552ee571570

SHA1
0b73192ecf7502061b59d14808750eba47a71d90

SHA256
c25d84c7ff7416d1dc1466ef04bb93079d96521ddca53b5f94f0e89446a1d9cb

SHA512
0afc7f7ae971af6d1d2ac6041f9e218733517c775622cf770eb2ca1d622b5c812ba8db96fbf0fc84ed42fba19395f9d9dd7b8d38cd90afb39063d9340a07107d

Download Submit
\Windows\SysWOW64\HelpMe.exe
Filesize
761KB

MD5
848fd00b27b3ae9c5468ecde8715f2b0

SHA1
2f4f6760392207894670dd0a95c3e0be40380012

SHA256
213f8cb0f668957718d740c67ef977e9c729378afda13242aa21dc977d6bd1fb

SHA512
6554f94d88c3047d74a46b89174310969dd51fb242f35c9ce4228d7d48a9aed1dcf133f1960a687262b8c7ccb2e37ebe213bec2b833dffdca4266698dea803c8

Download Submit
memory/1736-249-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-351-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1736-361-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-341-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-240-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1736-228-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-301-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-238-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-261-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-327-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-271-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-321-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-281-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-311-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1736-291-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-229-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-292-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-302-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-282-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-312-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-272-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-322-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-262-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-328-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-250-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-342-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-239-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-352-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2372-10-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2372-362-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads