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Analysis
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max time kernel
173s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
14/10/2023, 13:49
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe
Resource
win10v2004-20230915-en
General
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Target
NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe
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Size
234KB
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MD5
1a29fab2f570c8e8d5b68a7dde2a2c50
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SHA1
dce2498a6927035821e931f6844a6eff8b632dca
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SHA256
1ac1779dde2d8758ebc39a33924a9793deed23776b8362bbb4105217c0350244
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SHA512
d21dd985a50b7745213a33914f2e211ebb1748793dd1a5861d7bf59f35c7314201c3eaac6180530890465fc92ee5ec73e932cc02b19a2e6a9625f0e3b362ea8b
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SSDEEP
3072:n19h8n2k+45CB3u07TIQIpmeCB3KxA1z+gYitApnirdt435OgkrePTt:Dc35F48cei+TKiirdt47T
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-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe -
Executes dropped EXE 1 IoCs
pid Process 4372 LZ98MR.exe -
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 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe Key created \REGISTRY\USER\S-1-5-21-2890696111-2332180956-3312704074-1000_Classes\Local Settings NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 5068 WINWORD.EXE 5068 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 5068 WINWORD.EXE 5068 WINWORD.EXE 5068 WINWORD.EXE 5068 WINWORD.EXE 5068 WINWORD.EXE 5068 WINWORD.EXE 5068 WINWORD.EXE 5068 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4872 wrote to memory of 4372 4872 NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe 92 PID 4872 wrote to memory of 4372 4872 NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe 92 PID 4872 wrote to memory of 4372 4872 NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe 92 PID 4872 wrote to memory of 5068 4872 NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe 93 PID 4872 wrote to memory of 5068 4872 NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe"1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Users\Admin\AppData\Roaming\GEK8FC\LZ98MR.exe"C:\Users\Admin\AppData\Roaming\GEK8FC\LZ98MR.exe" -launcher2⤵
- Executes dropped EXE
PID:4372
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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\NEAS.1a29fab2f570c8e8d5b68a7dde2a2c50_JC.exe--.doc" /o ""2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5068
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
86KB
MD542bb84cd743a039f3ccb077451d76cde
SHA1c66ce85d73cb833806cfad0f418fb5e96a394ff2
SHA25641f47e67d7ac6fed3c52a421b4b99436fa867f2b88567aeac88b8781bcff2c93
SHA512f156f9e8db777a916bd77879bb670fa5f5c67b2c97261130173165e089467d779c7d980fab29fd8d79b5c5b11287cafe3ce8f8294832baf4dcb7230710211519
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Filesize
86KB
MD542bb84cd743a039f3ccb077451d76cde
SHA1c66ce85d73cb833806cfad0f418fb5e96a394ff2
SHA25641f47e67d7ac6fed3c52a421b4b99436fa867f2b88567aeac88b8781bcff2c93
SHA512f156f9e8db777a916bd77879bb670fa5f5c67b2c97261130173165e089467d779c7d980fab29fd8d79b5c5b11287cafe3ce8f8294832baf4dcb7230710211519
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Filesize
148KB
MD5baf188290c6961f72c5d4eb07cd8b2ad
SHA115896679b4e7b4f1e02973a7fd3eadc399935d27
SHA2563f4f21fb102d6bfa0a700b5a95fbe4b0d85d189e24e193d7da4dfb5adaa9c8fe
SHA512d17585f44106b4ab3a02ea4b8790ca7145063f9b7a235a39802fc93165ed64922e9bc009c9134ddcae83462476b5afab7395c9d3a5027d6a75cc554a2836b7c4
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Filesize
148KB
MD5baf188290c6961f72c5d4eb07cd8b2ad
SHA115896679b4e7b4f1e02973a7fd3eadc399935d27
SHA2563f4f21fb102d6bfa0a700b5a95fbe4b0d85d189e24e193d7da4dfb5adaa9c8fe
SHA512d17585f44106b4ab3a02ea4b8790ca7145063f9b7a235a39802fc93165ed64922e9bc009c9134ddcae83462476b5afab7395c9d3a5027d6a75cc554a2836b7c4
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Filesize
148KB
MD5baf188290c6961f72c5d4eb07cd8b2ad
SHA115896679b4e7b4f1e02973a7fd3eadc399935d27
SHA2563f4f21fb102d6bfa0a700b5a95fbe4b0d85d189e24e193d7da4dfb5adaa9c8fe
SHA512d17585f44106b4ab3a02ea4b8790ca7145063f9b7a235a39802fc93165ed64922e9bc009c9134ddcae83462476b5afab7395c9d3a5027d6a75cc554a2836b7c4
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Filesize
875B
MD5ddf79eb83131d15392283c4a2bfc6e06
SHA1620fc183fdfdf0011fdf78f350657147bea0e789
SHA2568c28beb76737e2dfe3c8939480944f47ed620c33a26604881017e3f3c8dd7d6b
SHA51242e2cb4547f1f41de27958571e13f38579962ce5890aa0999e3f554fb09d401c01447879307533a8d06f372881133464e695694943019d0c5877b6e8358dea07