34f3b58d67b44aade2d2cf60f95bfd99bf63e4ef182422d146caaf5bc0d7df54

Analysis

max time kernel
145s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 04:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
Size

818KB
MD5

c83ff2cf7429c5d2db5ffc3b6c726513
SHA1

32ff2329f2008b19c412d3ff1713d6e21d214089
SHA256

34f3b58d67b44aade2d2cf60f95bfd99bf63e4ef182422d146caaf5bc0d7df54
SHA512

9084757a71f3fb4860c3f54d705bbb041f1264758707aee155543f333d968f1069845287137b4b413b7195edae9496f43bce4fb5db1e8afe1425687b5f78d951
SSDEEP

24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NW:Kwi0L0qkP

Score

10^/10

aspackv2 discovery persistence ransomware

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe"	c83ff2cf7429c5d2db5ffc3b6c726513_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

resource	yara_rule
behavioral1/files/0x00070000000120fd-2.dat	aspack_v212_v242
behavioral1/files/0x0008000000016d3f-38.dat	aspack_v212_v242
behavioral1/files/0x0001000000000026-55.dat	aspack_v212_v242

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk	c83ff2cf7429c5d2db5ffc3b6c726513_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	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2176	HelpMe.exe

Loads dropped DLL 2 IoCs

pid	Process
3068	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
3068	c83ff2cf7429c5d2db5ffc3b6c726513_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

description	ioc	Process
File opened (read-only)	\??\U:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\X:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\H:	HelpMe.exe
File opened (read-only)	\??\A:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\B:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\H:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\J:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\P:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\M:	HelpMe.exe
File opened (read-only)	\??\R:	HelpMe.exe
File opened (read-only)	\??\S:	HelpMe.exe
File opened (read-only)	\??\V:	HelpMe.exe
File opened (read-only)	\??\J:	HelpMe.exe
File opened (read-only)	\??\O:	HelpMe.exe
File opened (read-only)	\??\U:	HelpMe.exe
File opened (read-only)	\??\G:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\O:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\W:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\E:	HelpMe.exe
File opened (read-only)	\??\I:	HelpMe.exe
File opened (read-only)	\??\T:	HelpMe.exe
File opened (read-only)	\??\W:	HelpMe.exe
File opened (read-only)	\??\E:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\Q:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\T:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\A:	HelpMe.exe
File opened (read-only)	\??\P:	HelpMe.exe
File opened (read-only)	\??\X:	HelpMe.exe
File opened (read-only)	\??\N:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\B:	HelpMe.exe
File opened (read-only)	\??\N:	HelpMe.exe
File opened (read-only)	\??\Q:	HelpMe.exe
File opened (read-only)	\??\I:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\M:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\R:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\Z:	HelpMe.exe
File opened (read-only)	\??\K:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\S:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\Z:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\G:	HelpMe.exe
File opened (read-only)	\??\Y:	HelpMe.exe
File opened (read-only)	\??\L:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\V:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\Y:	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened (read-only)	\??\K:	HelpMe.exe
File opened (read-only)	\??\L:	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

description	ioc	Process
File opened for modification	C:\AUTORUN.INF	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
File opened for modification	F:\AUTORUN.INF	HelpMe.exe
File opened for modification	F:\AUTORUN.INF	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\HelpMe.exe	HelpMe.exe
File created	C:\Windows\SysWOW64\HelpMe.exe	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HelpMe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2176	3068	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe	30
PID 3068 wrote to memory of 2176	3068	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe	30
PID 3068 wrote to memory of 2176	3068	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe	30
PID 3068 wrote to memory of 2176	3068	c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\c83ff2cf7429c5d2db5ffc3b6c726513_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c83ff2cf7429c5d2db5ffc3b6c726513_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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- 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
  - System Location Discovery: System Language Discovery
  PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-2257386474-3982792636-3902186748-1000\desktop.ini.exe

Filesize
819KB

MD5
fd639b283104fa9ff8bab75335d16b37

SHA1
c5889a1d26bb16346f5a9ca87ce6d1b4dfa72b92

SHA256
74561975cc4e703d6e092a6c4547c9378fc82f1861dd9652f57765a147539021

SHA512
53d08d377959d47fbe236b51bc991635360d3bf843d8ae214f06ea7f71074e4be6414736ad9659a0022ae76e56622fb8dafb05a74211f3f9729e5fd022e84a4d

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

Filesize
1KB

MD5
4ffae8099a48b39cf951d5e278c3be99

SHA1
565f8ee631a411151a38a8c0ebb5eca0a93a4912

SHA256
f35a33878d434cf675f452120809f160a7c3741bf0863c237c937e59f0d9d02d

SHA512
9f74ab9c9623978a798bb38666de093800db8a0418cb1c517eba2aa6a423fc8c7a6c2405f60f6a05688667cef9eca90a184f6a193bafb330abf1c7350c70b3a2

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

Filesize
954B

MD5
64dba21c99a1eb99ec8dbc603cbb8fca

SHA1
97dff90aeb3e3542720269503597aeb942eec7f6

SHA256
2055cdb4b739b1c66c7d8695c3df7048ad7fab2ee92f6c0fee877e2e324307a0

SHA512
a341b9e3b1a9a502338b85718acc44d8975f1b67079b88b14be5dc4c34d0bad2a8b9704903fa8d3d6aeedb618db1cfc0d118833c19b19c033ba58d57f2369ed0

Download Submit
F:\AUTORUN.INF

Filesize
145B

MD5
ca13857b2fd3895a39f09d9dde3cca97

SHA1
8b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0

SHA256
cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae

SHA512
55e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47

Download Submit
F:\AutoRun.exe

Filesize
818KB

MD5
c83ff2cf7429c5d2db5ffc3b6c726513

SHA1
32ff2329f2008b19c412d3ff1713d6e21d214089

SHA256
34f3b58d67b44aade2d2cf60f95bfd99bf63e4ef182422d146caaf5bc0d7df54

SHA512
9084757a71f3fb4860c3f54d705bbb041f1264758707aee155543f333d968f1069845287137b4b413b7195edae9496f43bce4fb5db1e8afe1425687b5f78d951

Download Submit
\Windows\SysWOW64\HelpMe.exe

Filesize
758KB

MD5
d2febb0390ad878b8dc51203ccb4ab22

SHA1
cd9a33afab8ff3301cba08719f07e45367482e5c

SHA256
33b54e1d22649cade49744e15bca9f56b1afd088764eb224e10f330560a443fc

SHA512
ed83cd0816ce8660709254f61b9f05b4de25816d1d92c6e9d27dbade3b85b7d5801116fa745de8907af31145c8b608e3abdcac876c976fe1c393cb05f7ace55b

Download Submit
memory/2176-230-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-241-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-353-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-291-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-231-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2176-9-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2176-343-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-359-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-333-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-251-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-263-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-323-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-313-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-273-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-303-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2176-283-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-262-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-290-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-302-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-278-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-312-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-272-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-322-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/3068-332-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-250-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-342-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-240-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-348-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-229-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-358-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3068-224-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads