Analysis
-
max time kernel
133s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-08-2024 00:01
Static task
static1
Behavioral task
behavioral1
Sample
a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe
Resource
win7-20240729-en
General
-
Target
a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe
-
Size
1.7MB
-
MD5
a0707025318fb3fe70a6d975a7efe219
-
SHA1
70cba3b100147dd15304e811de6812a3442688d1
-
SHA256
1af19d08060151f4ec9e9b7784b6c75355f73469276efdc6500d4e45a3dc607f
-
SHA512
65abcaf9b5a0801bc583e794a0104fe21d5261679c284060f0d3d73617371b1bd2755f0d1ffc8062b0ed812a20aedf380c4373d69405a097c92c5ed2b7e95fb0
-
SSDEEP
24576:eMFYGY9+9d/G7P9lkQ/exnzGn4dLsUvqkaT+0BpCCh+PDedNdUhZuIBWcVAXf:KN26FOnzGn6LJvqkwnpC+mWd6uIccVa
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1088 irsetup.exe -
Loads dropped DLL 1 IoCs
pid Process 1088 irsetup.exe -
resource yara_rule behavioral2/files/0x000800000002350b-5.dat upx behavioral2/memory/1088-14-0x0000000000400000-0x00000000007CB000-memory.dmp upx behavioral2/memory/1088-29-0x0000000000400000-0x00000000007CB000-memory.dmp upx -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 7 pastebin.com 8 pastebin.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language irsetup.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1088 irsetup.exe 1088 irsetup.exe 1088 irsetup.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2352 wrote to memory of 1088 2352 a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe 85 PID 2352 wrote to memory of 1088 2352 a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe 85 PID 2352 wrote to memory of 1088 2352 a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe"C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:1741682 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\a0707025318fb3fe70a6d975a7efe219_JaffaCakes118.exe" "__IRCT:3" "__IRTSS:0" "__IRSID:S-1-5-21-355097885-2402257403-2971294179-1000"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1088
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.3MB
MD5dec931e86140139380ea0df57cd132b6
SHA1b717fd548382064189c16cb94dda28b1967a5712
SHA2565ffd4b20dccfb84c8890abdb780184a7651e760aefba4ab0c6fba5b2a81f97d9
SHA51214d594e88c4a1f0ec8bc1b4fe2d66e26358f907b1106c047ada35d500ca9e608f1ce5a57599453cf10f11f4d9f1948ced9056ce8bd944b16eca7e9b83e8b27af
-
Filesize
318KB
MD5b5fc476c1bf08d5161346cc7dd4cb0ba
SHA1280fac9cf711d93c95f6b80ac97d89cf5853c096
SHA25612cb9b8f59c00ef40ea8f28bfc59a29f12dc28332bf44b1a5d8d6a8823365650
SHA51217fa97f399287b941e958d2d42fe6adb62700b01d9dbe0c824604e8e06d903b330f9d7d8ffb109bfb7f6742f46e7e9cedad6981f0d94d629b8402d0a0174f697