b217101f356a5d5595807f78f8e1ae24393007c71a1d26867ef5e7bc4016df0c

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2024 14:43

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General

Target

cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe
Size

25KB
MD5

cfc71cd7a846d377d08bc1753dffb9a8
SHA1

fda5e298f01b782fe6f8ca5bc1aa1e87f713b0ab
SHA256

b217101f356a5d5595807f78f8e1ae24393007c71a1d26867ef5e7bc4016df0c
SHA512

6b1226bcdbd6cf77ee3e3c9ac7fc35d442a7ad5c03a1dced5a10aa0158d43af7fbb287b750b4aed831d26122cf904f41ae89f282e457a4e332bf4e07d757f630
SSDEEP

384:no5M3aRzZI+Iq5hdMBm6mMhiqeNd6iVLY4VId8A888XD6a4wcLULCQomgfE9ylQ:CzZHJ5hdQm6mzqeNlNE4DuLLGjoP

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3472-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2748-1-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2748-3-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2748-7-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3472-8-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2748-10-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\icf.exe.exe:ext.exe	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\icf.exe.exe:ext.exe	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\svchost.exe:ext.exe	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3472 set thread context of 2748	3472	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe	83

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	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 2748	3472	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe	83
PID 3472 wrote to memory of 2748	3472	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe	83
PID 3472 wrote to memory of 2748	3472	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe	83
PID 3472 wrote to memory of 2748	3472	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe	83
PID 3472 wrote to memory of 4448	3472	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe	84
PID 3472 wrote to memory of 4448	3472	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe	84
PID 3472 wrote to memory of 4448	3472	cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cfc71cd7a846d377d08bc1753dffb9a8_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\8978435.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\8978435.bat

Filesize
263B

MD5
8739c3b4d3b4315104c3b7e3e4118495

SHA1
f49adde02039d4c1703ab45f1b75b98ee0a0a7ed

SHA256
c45fbb7a74e00076f1c680331779fa803c6a87761cb6f1b9e3c39882403e9eae

SHA512
809fd88f9ac348749ffaeae392c3c92051784c6d3489b7483d71d690da4181b0df93edd834882055b70329c2ccf41274024364b061a3e6cac8f0706350249f60

Download Submit
memory/2748-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2748-3-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2748-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2748-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3472-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3472-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download