Analysis
- max time kernel
145s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
20/12/2023, 13:04
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b5eca8a5f9790515401c077b2ae57e2c.exe
Resource
win7-20231215-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
b5eca8a5f9790515401c077b2ae57e2c.exe
Resource
win10v2004-20231215-en
9 signatures
150 seconds
General
- Target b5eca8a5f9790515401c077b2ae57e2c.exe
- Size 58KB
- Sample231220-qa7tjsgcb8
- SHA256 1a5d5bda748db8582039245093ec3b64ab373463d2abb15c8d512235bf845bac
- MD5 b5eca8a5f9790515401c077b2ae57e2c
- SHA1 79c276c6a67042dfe443db2b7523b8b5c39ad0fe
- SHA512 444134aaf7406eea565aef98c796495a3aab960af1283a5a5fb5718ad72c6b80e7049cc66386d202c5eb6814f0cd911a893a0c0ee2554050e25b36061b183fd1
- SSDEEP 1536:iZioIoCwbYP4nuEApQK4TQbtY2gA9DX+ytBO8c3G3eTJ/v:iEoIlwIguEA4c5DgA9DOyq0eFH
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Sakula payload 4 IoCs
resource yara_rule behavioral2/memory/4520-7-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula behavioral2/memory/3424-6-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula behavioral2/memory/3424-12-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula behavioral2/memory/4520-17-0x0000000000400000-0x000000000041A000-memory.dmp family_sakula - 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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation b5eca8a5f9790515401c077b2ae57e2c.exe - Executes dropped EXE 1 IoCs
pid Process 4520 MediaCenter.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" b5eca8a5f9790515401c077b2ae57e2c.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Runs ping.exe 1 TTPs 1 IoCs
pid Process 748 PING.EXE - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3424 b5eca8a5f9790515401c077b2ae57e2c.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3424 wrote to memory of 4520 3424 b5eca8a5f9790515401c077b2ae57e2c.exe 18 PID 3424 wrote to memory of 4520 3424 b5eca8a5f9790515401c077b2ae57e2c.exe 18 PID 3424 wrote to memory of 4520 3424 b5eca8a5f9790515401c077b2ae57e2c.exe 18 PID 3424 wrote to memory of 3248 3424 b5eca8a5f9790515401c077b2ae57e2c.exe 100 PID 3424 wrote to memory of 3248 3424 b5eca8a5f9790515401c077b2ae57e2c.exe 100 PID 3424 wrote to memory of 3248 3424 b5eca8a5f9790515401c077b2ae57e2c.exe 100 PID 3248 wrote to memory of 748 3248 cmd.exe 98 PID 3248 wrote to memory of 748 3248 cmd.exe 98 PID 3248 wrote to memory of 748 3248 cmd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\b5eca8a5f9790515401c077b2ae57e2c.exe"C:\Users\Admin\AppData\Local\Temp\b5eca8a5f9790515401c077b2ae57e2c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:4520
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b5eca8a5f9790515401c077b2ae57e2c.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3248
-
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.11⤵
- Runs ping.exe
PID:748
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
- Size 58KB
- SHA256 f34d8dc9686d7644307d5b35f7d40fecc0b54b2f1b9e06ce7c3718beca8f46e4
- MD5 8252d6ca53459d8ab6f4ee192ff2cf9b
- SHA1 108acdb86aaed115a7a395319f3b787bdeed097a
- SHA512 59c72b703c87837db69667177ac429d85a520d915933d4d826b26fa6188edd65b8c4bb77ee8638e9570000c2eaea60b5b392a3183a5a2b3f4bd364e02bab0c64
- SSDEEP 1536:iZioIoCwbYP4nuEApQK4TQbtY2gA9DX+ytBO8c3G3eTJ/Q:iEoIlwIguEA4c5DgA9DOyq0eFY
- MD5 SHA1 SHA512 SSDEEP