de6344ab11ece616d86d4a0bcb70d89e2aa13d320cca13701255f42fa5501ab4

Analysis

max time kernel
126s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 07:40

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General

Target

d3dcfcb7016a8da409196db930be0bc7_JaffaCakes118.exe
Size

58KB
MD5

d3dcfcb7016a8da409196db930be0bc7
SHA1

db7b4fe5989227050b1f121f9d2569c2e0824f24
SHA256

de6344ab11ece616d86d4a0bcb70d89e2aa13d320cca13701255f42fa5501ab4
SHA512

b2fbad4ae0f8168d22364f554cce0a6ce0d98e1c5f75c90a4bfff3799fb142a0456c03e9c2d897bacd13235303b1e0e79271c0a45fe13172e970910c52c1451a
SSDEEP

1536:3PuwIMl7hQUfE4E5fxLVXF37B8FdxthIB3QL9ffPijdb12:3FNVfE4E5rFOF5hM3i3Kf2

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1588	server.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/768-0-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/files/0x000900000002362a-4.dat	upx
behavioral2/memory/768-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1588-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\server.exe	d3dcfcb7016a8da409196db930be0bc7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\server.exe	d3dcfcb7016a8da409196db930be0bc7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\pshelp.dll	d3dcfcb7016a8da409196db930be0bc7_JaffaCakes118.exe

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	d3dcfcb7016a8da409196db930be0bc7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 512	1588	server.exe	91
PID 1588 wrote to memory of 512	1588	server.exe	91
PID 1588 wrote to memory of 512	1588	server.exe	91

C:\Users\Admin\AppData\Local\Temp\d3dcfcb7016a8da409196db930be0bc7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d3dcfcb7016a8da409196db930be0bc7_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:768

C:\Windows\SysWOW64\server.exe
C:\Windows\SysWOW64\server.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1588
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:512

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4048,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4460 /prefetch:8
1⤵
PID:4136

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:\Windows\SysWOW64\server.exe

Filesize
58KB

MD5
d3dcfcb7016a8da409196db930be0bc7

SHA1
db7b4fe5989227050b1f121f9d2569c2e0824f24

SHA256
de6344ab11ece616d86d4a0bcb70d89e2aa13d320cca13701255f42fa5501ab4

SHA512
b2fbad4ae0f8168d22364f554cce0a6ce0d98e1c5f75c90a4bfff3799fb142a0456c03e9c2d897bacd13235303b1e0e79271c0a45fe13172e970910c52c1451a

Download Submit
memory/768-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/768-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1588-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download