Analysis
-
max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 02:14
Behavioral task
behavioral1
Sample
acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258.exe
Resource
win10v2004-20220901-en
General
-
Target
acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258.exe
-
Size
36KB
-
MD5
1581f9075245758ce5fc161312f772f0
-
SHA1
256e090a6cc63a09000b8fa87f413a71f5a84c4e
-
SHA256
acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258
-
SHA512
0488ba73c9512908322f5133e1935d96d3c19451eb69c28bedbcaf019f381c5be5fde6154e651f688cacf1deb6545b4f63af54c0ba6fcd188171994b265d78fa
-
SSDEEP
768:jycqOQ0bwMK2M3fQde8Pfymg0M9EQfRo0ys/KzH:WcqOQbB3fQc8Pfymg0yxpByxzH
Malware Config
Signatures
-
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
-
ModiLoader Second Stage 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\KeyFix.exe modiloader_stage2 C:\Users\Admin\AppData\Roaming\KeyFix.exe modiloader_stage2 -
Executes dropped EXE 1 IoCs
Processes:
KeyFix.exepid process 2920 KeyFix.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
KeyFix.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\FlashPlayer = "C:\\Users\\Admin\\AppData\\Roaming\\KeyFix.exe" KeyFix.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258.exedescription pid process target process PID 4864 wrote to memory of 2920 4864 acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258.exe KeyFix.exe PID 4864 wrote to memory of 2920 4864 acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258.exe KeyFix.exe PID 4864 wrote to memory of 2920 4864 acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258.exe KeyFix.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258.exe"C:\Users\Admin\AppData\Local\Temp\acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Users\Admin\AppData\Roaming\KeyFix.exe"C:\Users\Admin\AppData\Roaming\KeyFix.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2920
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
36KB
MD51581f9075245758ce5fc161312f772f0
SHA1256e090a6cc63a09000b8fa87f413a71f5a84c4e
SHA256acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258
SHA5120488ba73c9512908322f5133e1935d96d3c19451eb69c28bedbcaf019f381c5be5fde6154e651f688cacf1deb6545b4f63af54c0ba6fcd188171994b265d78fa
-
Filesize
36KB
MD51581f9075245758ce5fc161312f772f0
SHA1256e090a6cc63a09000b8fa87f413a71f5a84c4e
SHA256acf659c2b2f83ec22d44e45140da87d300bd63f45f9ea257d22aaac003413258
SHA5120488ba73c9512908322f5133e1935d96d3c19451eb69c28bedbcaf019f381c5be5fde6154e651f688cacf1deb6545b4f63af54c0ba6fcd188171994b265d78fa