f9dc17511d40a6ef0df77b7db7c8952e8bb15b0b5c5fe9e846d69fea5f4857ca

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20/04/2024, 23:29

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General

Target

fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe
Size

11KB
MD5

fde6955a0bbf77b064f7f5ca6b52428d
SHA1

90c022dc80af334afce9535bb8ef7695f91792c7
SHA256

f9dc17511d40a6ef0df77b7db7c8952e8bb15b0b5c5fe9e846d69fea5f4857ca
SHA512

214eee3d7e474c74f219a0eb5cac6e49b6a6b71849596d1ca9307b5c7b24420266cb4c52b17b44a72f24d7c2875598b74330e1bd9421aad58fa2e4a1a3d10818
SSDEEP

192:m3Ev9pLdhauwLWGpZPD1ssKoxjHtoyF4hs5WeOScrLTCHi568:mQ9pLcLl19KQ3F4hkOX6m

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
2580	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3068	mssddynk.exe

Loads dropped DLL 2 IoCs

pid	Process
2996	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe
2996	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2996-1-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x000c00000001220d-3.dat	upx
behavioral1/memory/2996-4-0x0000000000230000-0x000000000023F000-memory.dmp	upx
behavioral1/memory/3068-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2996-13-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/3068-14-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mssddyn.dll	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\mssddynk.exe	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\mssddynk.exe	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 3068	2996	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe	28
PID 2996 wrote to memory of 3068	2996	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe	28
PID 2996 wrote to memory of 3068	2996	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe	28
PID 2996 wrote to memory of 3068	2996	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe	28
PID 2996 wrote to memory of 2580	2996	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe	31
PID 2996 wrote to memory of 2580	2996	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe	31
PID 2996 wrote to memory of 2580	2996	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe	31
PID 2996 wrote to memory of 2580	2996	fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\SysWOW64\mssddynk.exe
  C:\Windows\system32\mssddynk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:3068
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  PID:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\fde6955a0bbf77b064f7f5ca6b52428d_JaffaCakes118.exe.bat

Filesize
210B

MD5
8c48a069cb6aba73b9e6c49344d3cbe0

SHA1
adf0cf0a61348619982a380ba6bb10184954f455

SHA256
9e1430ae63de3cde085ceb1464eebd9e573c991b9b41bb6e72ac6e554d1b0c13

SHA512
ac23d61ffbb82b4f2e7e182b31af80d756711e2fa4674df85a3b92938ddfe852ede31fe9b5b8d8de5691f6ef24dd408bf564322d027e22c7d1eb5d1a738b5d45

Download Submit
\Windows\SysWOW64\mssddynk.exe

Filesize
11KB

MD5
fde6955a0bbf77b064f7f5ca6b52428d

SHA1
90c022dc80af334afce9535bb8ef7695f91792c7

SHA256
f9dc17511d40a6ef0df77b7db7c8952e8bb15b0b5c5fe9e846d69fea5f4857ca

SHA512
214eee3d7e474c74f219a0eb5cac6e49b6a6b71849596d1ca9307b5c7b24420266cb4c52b17b44a72f24d7c2875598b74330e1bd9421aad58fa2e4a1a3d10818

Download Submit
memory/2996-1-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2996-4-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2996-11-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2996-13-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2996-17-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/3068-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3068-14-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download