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Analysis
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max time kernel
148s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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
-
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 2692 rwfqo.exe -
Loads dropped DLL 2 IoCs
pid Process 2548 acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe 2548 acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\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 4 IoCs
description pid Process procid_target PID 2548 wrote to memory of 2692 2548 acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe 30 PID 2548 wrote to memory of 2692 2548 acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe 30 PID 2548 wrote to memory of 2692 2548 acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe 30 PID 2548 wrote to memory of 2692 2548 acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe"C:\Users\Admin\AppData\Local\Temp\acbb4135e99fda2743bf7666911c63850ed3474f68488f09fc3cd0277721fa3f.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548 -
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:2692
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
432KB
MD52f72fae3bf00ae0cd92105669f902c28
SHA13777ed88dc61580b31fed0c52befeeffc1a085ee
SHA256131790784fccd65dec9e64b7cbb590dccbb895bab3e285f7974d24f8670c38d9
SHA512299f5430398e8c514b9157ca1788f4694a4838916240dd0cbf90d983bfcb8746b286a20c8d0cea0a3c85d42dcb7f36f7346d62ff1594cd3316066678912471fb
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Filesize
136KB
MD5cb4c442a26bb46671c638c794bf535af
SHA18a742d0b372f2ddd2d1fdf688c3c4ac7f9272abf
SHA256f8d2c17bdf34ccfb58070ac8b131a8d95055340101a329f9a7212ac5240d0c25
SHA512074a31e8da403c0a718f93cbca50574d8b658921193db0e6e20eacd232379286f14a3698cd443dc740d324ad19d74934ae001a7ad64b88897d8afefbc9a3d4e3
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Filesize
295KB
MD50ef6bc7c9322a5fb140b2b6e61f329a8
SHA11c4bb125b8cf4f25714268d9e728c1a8b9271c25
SHA256b927d53902f53b13f0263b37ff953afddfedb60c4efe9e7bcbc55b94b776d050
SHA512888e46a919506e8d62eb0fc0dfdcc8eff0af020a818886ec62a34610513520d6c0f0fc4bf6fcc23b6445f5cb30373ab94c020edae4e464d466699272a007e86f