Analysis
- max time kernel
317s - max time network
391s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
27/11/2022, 02:11
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
12 signatures
150 seconds
General
- Target file.exe
- Size 206KB
- Sample221127-cl9wdscc36
- SHA256 2f3b5d425fe0b25e603d45df96083ee623bcbcd3df09ac0c260d28e1d5f5e174
- MD5 1f88bd741fc6b5c77d89b3ecd4ceca65
- SHA1 6ab53e5fc85b0d7bc5f9b5705ad086d237eedb20
- SHA512 98ab028e756ed556219ddd439f0e7311035d16597162aca8aff079214d7e204ed9e5b2cbd00982698c656dae2548f1188163aaa6facf50237971427c02e39d3f
- SSDEEP 3072:DvPsMh8OElB58pMUB4X+jnWJ0PhLdJtYOltiO4X87Tg0MCXeXICz56nLTc35:b6OE8MW42ngKLOOlN4XEUae1zOLQ5
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
3.50
C2
-
31.41.244.17/hfk3vK9/index.php
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3020 gntuud.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation gntuud.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
pid pid_target Process procid_target 312 4352 WerFault.exe 78 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4844 schtasks.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4352 wrote to memory of 3020 4352 file.exe 81 PID 4352 wrote to memory of 3020 4352 file.exe 81 PID 4352 wrote to memory of 3020 4352 file.exe 81 PID 3020 wrote to memory of 4844 3020 gntuud.exe 84 PID 3020 wrote to memory of 4844 3020 gntuud.exe 84 PID 3020 wrote to memory of 4844 3020 gntuud.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F3⤵
- Creates scheduled task(s)
PID:4844
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 12642⤵
- Program crash
PID:312
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4352 -ip 43521⤵PID:3900
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 206KB
- SHA256 2f3b5d425fe0b25e603d45df96083ee623bcbcd3df09ac0c260d28e1d5f5e174
- MD5 1f88bd741fc6b5c77d89b3ecd4ceca65
- SHA1 6ab53e5fc85b0d7bc5f9b5705ad086d237eedb20
- SHA512 98ab028e756ed556219ddd439f0e7311035d16597162aca8aff079214d7e204ed9e5b2cbd00982698c656dae2548f1188163aaa6facf50237971427c02e39d3f
- SSDEEP 3072:DvPsMh8OElB58pMUB4X+jnWJ0PhLdJtYOltiO4X87Tg0MCXeXICz56nLTc35:b6OE8MW42ngKLOOlN4XEUae1zOLQ5
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 206KB
- SHA256 2f3b5d425fe0b25e603d45df96083ee623bcbcd3df09ac0c260d28e1d5f5e174
- MD5 1f88bd741fc6b5c77d89b3ecd4ceca65
- SHA1 6ab53e5fc85b0d7bc5f9b5705ad086d237eedb20
- SHA512 98ab028e756ed556219ddd439f0e7311035d16597162aca8aff079214d7e204ed9e5b2cbd00982698c656dae2548f1188163aaa6facf50237971427c02e39d3f
- SSDEEP 3072:DvPsMh8OElB58pMUB4X+jnWJ0PhLdJtYOltiO4X87Tg0MCXeXICz56nLTc35:b6OE8MW42ngKLOOlN4XEUae1zOLQ5
- MD5 SHA1 SHA512 SSDEEP