Analysis
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max time kernel
101s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
23-02-2024 06:38
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-23_499e5b8cae40a9032bf333f3aa590b25_mafia.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_499e5b8cae40a9032bf333f3aa590b25_mafia.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_499e5b8cae40a9032bf333f3aa590b25_mafia.exe
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Size
465KB
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MD5
499e5b8cae40a9032bf333f3aa590b25
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SHA1
f35b686d758760ca0bc5180f57aa983e9541d5fb
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SHA256
ac3b8b5add3595d3e15691e927183861ba987ede3034dd901dae7f2b0db2540c
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SHA512
f53e83a5e803bc2d954af1675c33d5d72d3adf4b0f9b8ecf882cbf1cfd2a9ebd11cb24fd7ca5b026066d4798f52f157a9355b9e6ab99d179aaa99e65205eeb4d
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SSDEEP
12288:Bb4bZudi79LF4wjKo85WXyPdDGch2xLg3yDjEA:Bb4bcdkLFrj85QydDzh2xnv
Malware Config
Signatures
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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-1-5-21-2132103209-3755304320-2959162027-1000\Control Panel\International\Geo\Nation 376B.tmp -
Executes dropped EXE 1 IoCs
pid Process 3600 376B.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000_Classes\Local Settings 376B.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4820 WINWORD.EXE 4820 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3600 376B.tmp -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4820 WINWORD.EXE 4820 WINWORD.EXE 4820 WINWORD.EXE 4820 WINWORD.EXE 4820 WINWORD.EXE 4820 WINWORD.EXE 4820 WINWORD.EXE 4820 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3400 wrote to memory of 3600 3400 2024-02-23_499e5b8cae40a9032bf333f3aa590b25_mafia.exe 86 PID 3400 wrote to memory of 3600 3400 2024-02-23_499e5b8cae40a9032bf333f3aa590b25_mafia.exe 86 PID 3400 wrote to memory of 3600 3400 2024-02-23_499e5b8cae40a9032bf333f3aa590b25_mafia.exe 86 PID 3600 wrote to memory of 4820 3600 376B.tmp 92 PID 3600 wrote to memory of 4820 3600 376B.tmp 92
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-23_499e5b8cae40a9032bf333f3aa590b25_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_499e5b8cae40a9032bf333f3aa590b25_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3400 -
C:\Users\Admin\AppData\Local\Temp\376B.tmp"C:\Users\Admin\AppData\Local\Temp\376B.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-02-23_499e5b8cae40a9032bf333f3aa590b25_mafia.exe FA2B66E2ACD736DB12C577A4005AAFF2E6BF50B221A88AA708FE2796714A2750522165093002C1F58B7E167E6FF604B9595D6AF43A3B891153C1834C97DD59182⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2024-02-23_499e5b8cae40a9032bf333f3aa590b25_mafia.doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4820
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
35KB
MD5a6b03fc9e5439b7504ba08010a960962
SHA1e93a74f35ac1ed020158642eb1f2087fd31fc7c6
SHA256b3b306a9618a08a003443e00e8ce2fcb14040775c3aeadc11cf120668e98dff1
SHA512decbe4fa7eec0833a27acbde8b4de099124aa42e551f710fb615e6fc5aa0056ce9e44fc282e4930b1a669a1e012700b2c79cebc8a7b8ee4c66cfc29c800cddd0
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Filesize
465KB
MD5092559dbd0df1369872090159f26b37e
SHA1de7b81f5687bcfe1a71a3702c2eba0dbb454f286
SHA2569295f68cca47ff48c5fbd555ab182d476c8e4cad1f0f47f3ec24d577569870f6
SHA5127f305004bce725b2ccad2c230e962bef789e66b3c53d8230318ef64fcd219a441b20a5698651d9a057f28e69917b95090a73798a61f9fd0e6c58c8cd896685d4
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84