Analysis
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max time kernel
149s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
02-08-2024 03:38
Static task
static1
Behavioral task
behavioral1
Sample
acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe
Resource
win10v2004-20240730-en
General
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Target
acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe
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Size
432KB
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MD5
ad7647a490859595c8ca0f33abd1e3fb
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SHA1
f20d78cc0efa4a9cbf8cad5a14ddbdda214be204
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SHA256
acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f
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SHA512
d1d937843ef4f4702768af7149c89f45715ec21e3f5924164011b14625e28c8a52afe14cd5b2a91ec8159d2d0ddb59d3c72265d2f3b87e32b82836097bb0e813
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SSDEEP
12288:4jauDReWhAbuBPjKzQowI8C3bFJhOPwKJZy3bFJkvd15crjbp/kcn5+dnUZc0l0t:4DDVA0KuthG1TN1Et
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 228 rwfqo.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1266786182-1874524688-71015548-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\ProgramData\\rwfqo.exe" rwfqo.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rwfqo.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1968 wrote to memory of 228 1968 acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe 87 PID 1968 wrote to memory of 228 1968 acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe 87 PID 1968 wrote to memory of 228 1968 acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe"C:\Users\Admin\AppData\Local\Temp\acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\ProgramData\rwfqo.exe"C:\ProgramData\rwfqo.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:228
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
432KB
MD59c402b3669a357487cc7fd52ebd0e887
SHA17882299b4564ca1cae24a344e11ccde2bd2182b9
SHA2565eb6c02e882989ff54c663e3ead93102ecafce608fc255c1bad83c48a3d109c1
SHA51259ab495891e5bb477e63da6e3c09e972e42945ed4c3e882a9d07603470f234e811274e87637abf825b5eb4a2e0e4754d97fa74049b96f6ff17a094b468e8a385
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Filesize
136KB
MD5cb4c442a26bb46671c638c794bf535af
SHA18a742d0b372f2ddd2d1fdf688c3c4ac7f9272abf
SHA256f8d2c17bdf34ccfb58070ac8b131a8d95055340101a329f9a7212ac5240d0c25
SHA512074a31e8da403c0a718f93cbca50574d8b658921193db0e6e20eacd232379286f14a3698cd443dc740d324ad19d74934ae001a7ad64b88897d8afefbc9a3d4e3
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Filesize
295KB
MD50ef6bc7c9322a5fb140b2b6e61f329a8
SHA11c4bb125b8cf4f25714268d9e728c1a8b9271c25
SHA256b927d53902f53b13f0263b37ff953afddfedb60c4efe9e7bcbc55b94b776d050
SHA512888e46a919506e8d62eb0fc0dfdcc8eff0af020a818886ec62a34610513520d6c0f0fc4bf6fcc23b6445f5cb30373ab94c020edae4e464d466699272a007e86f