9f278bbba36712d08834957d9ed0ba888d38a9f6fdeb1980571ab66960b05091

Analysis

max time kernel
133s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 19:39

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General

Target

1c423f3fed7511f661db8e1c9f59cdb2_JaffaCakes118.exe
Size

42KB
MD5

1c423f3fed7511f661db8e1c9f59cdb2
SHA1

de1dad521677a628f8a877291afdfcd3a57ef729
SHA256

9f278bbba36712d08834957d9ed0ba888d38a9f6fdeb1980571ab66960b05091
SHA512

9150df8e1e71ff6e1e029b9a57deda22e7419eded378ccead2bff9c8762f81bb45b74d4a56d68fc93a484501ca8cce423188c9301e40cb16b33770360824ef41
SSDEEP

768:1Wjuw5kgv4rSdcIddTOQioj9keIeuvW7gUV/4SkWxHqA0jgU5FxfthjLHSXPM0+1:oj/XQrNIv7ioBkeqvWkMRN08U53nY00w

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1780	System64.exe

Loads dropped DLL 2 IoCs

pid	Process
1780	System64.exe
1780	System64.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2872-0-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/files/0x0006000000022f3f-3.dat	upx
behavioral2/memory/1780-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1932-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1932-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1780-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1932-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2872-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\System64.exe	1c423f3fed7511f661db8e1c9f59cdb2_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\System64.exe	1c423f3fed7511f661db8e1c9f59cdb2_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\System64.exe	System64.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1780 set thread context of 1932	1780	System64.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2840	1932	WerFault.exe	85

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 1932	1780	System64.exe	85
PID 1780 wrote to memory of 1932	1780	System64.exe	85
PID 1780 wrote to memory of 1932	1780	System64.exe	85
PID 1780 wrote to memory of 1932	1780	System64.exe	85
PID 1780 wrote to memory of 1932	1780	System64.exe	85
PID 1780 wrote to memory of 1932	1780	System64.exe	85
PID 1780 wrote to memory of 1932	1780	System64.exe	85
PID 1780 wrote to memory of 1932	1780	System64.exe	85

C:\Users\Admin\AppData\Local\Temp\1c423f3fed7511f661db8e1c9f59cdb2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1c423f3fed7511f661db8e1c9f59cdb2_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
PID:2872

C:\Windows\SysWOW64\System64.exe
C:\Windows\SysWOW64\System64.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Windows\SysWOW64\userinit.exe
  "C:\Windows\system32\userinit.exe"
  2⤵
  PID:1932
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 12
    3⤵
    - Program crash
    PID:2840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1932 -ip 1932
1⤵
PID:952

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\System64.exe

Filesize
42KB

MD5
1c423f3fed7511f661db8e1c9f59cdb2

SHA1
de1dad521677a628f8a877291afdfcd3a57ef729

SHA256
9f278bbba36712d08834957d9ed0ba888d38a9f6fdeb1980571ab66960b05091

SHA512
9150df8e1e71ff6e1e029b9a57deda22e7419eded378ccead2bff9c8762f81bb45b74d4a56d68fc93a484501ca8cce423188c9301e40cb16b33770360824ef41

Download Submit
memory/1780-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1780-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1780-8-0x00000000006D0000-0x00000000006F1000-memory.dmp

Filesize
132KB

Download
memory/1780-7-0x00000000006D0000-0x00000000006F1000-memory.dmp

Filesize
132KB

Download
memory/1932-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1932-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1932-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2872-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2872-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download