Overview
overview
10Static
static
10Cxdyz/Flexer.exe
windows7-x64
1Cxdyz/Flexer.exe
windows10-2004-x64
1Cxdyz/Flexer.exe
windows7-x64
1Cxdyz/Flexer.exe
windows10-2004-x64
7Cxdyz/Flex...pet.js
windows7-x64
3Cxdyz/Flex...pet.js
windows10-2004-x64
3Cxdyz/Guna.UI2.dll
windows7-x64
1Cxdyz/Guna.UI2.dll
windows10-2004-x64
1Cxdyz/Micr...re.dll
windows7-x64
1Cxdyz/Micr...re.dll
windows10-2004-x64
1Cxdyz/Micr...ms.dll
windows7-x64
1Cxdyz/Micr...ms.dll
windows10-2004-x64
1Cxdyz/Micr...pf.dll
windows7-x64
1Cxdyz/Micr...pf.dll
windows10-2004-x64
1Cxdyz/Mona...sample
ubuntu-18.04-amd64
1Cxdyz/Mona...sample
debian-9-armhf
1Cxdyz/Mona...sample
debian-9-mips
1Cxdyz/Mona...sample
debian-9-mipsel
1Cxdyz/Mona...sample
ubuntu-18.04-amd64
3Cxdyz/Mona...sample
debian-9-armhf
3Cxdyz/Mona...sample
debian-9-mips
3Cxdyz/Mona...sample
debian-9-mipsel
3Cxdyz/Mona...sample
ubuntu-18.04-amd64
1Cxdyz/Mona...sample
debian-9-armhf
1Cxdyz/Mona...sample
debian-9-mips
1Cxdyz/Mona...sample
debian-9-mipsel
1Cxdyz/Mona...sample
ubuntu-18.04-amd64
1Cxdyz/Mona...sample
debian-9-armhf
1Cxdyz/Mona...sample
debian-9-mips
1Cxdyz/Mona...sample
debian-9-mipsel
1Cxdyz/Mona...sample
ubuntu-18.04-amd64
1Cxdyz/Mona...sample
debian-9-armhf
1Resubmissions
08-08-2024 12:34
240808-prr9ratclq 1008-08-2024 12:23
240808-pks8gaxbld 1008-08-2024 12:21
240808-pjlr1axbke 10Analysis
-
max time kernel
127s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08-08-2024 12:21
Behavioral task
behavioral1
Sample
Cxdyz/Flexer.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Cxdyz/Flexer.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Cxdyz/Flexer.exe
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
Cxdyz/Flexer.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
Cxdyz/Flexer.exe.WebView2/EBWebView/Subresource Filter/Unindexed Rules/10.34.0.54/adblock_snippet.js
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
Cxdyz/Flexer.exe.WebView2/EBWebView/Subresource Filter/Unindexed Rules/10.34.0.54/adblock_snippet.js
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
Cxdyz/Guna.UI2.dll
Resource
win7-20240708-en
Behavioral task
behavioral8
Sample
Cxdyz/Guna.UI2.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
Cxdyz/Microsoft.Web.WebView2.Core.dll
Resource
win7-20240705-en
Behavioral task
behavioral10
Sample
Cxdyz/Microsoft.Web.WebView2.Core.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
Cxdyz/Microsoft.Web.WebView2.WinForms.dll
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
Cxdyz/Microsoft.Web.WebView2.WinForms.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
Cxdyz/Microsoft.Web.WebView2.Wpf.dll
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
Cxdyz/Microsoft.Web.WebView2.Wpf.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
Cxdyz/Monaco/.git/hooks/applypatch-msg.sample
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral16
Sample
Cxdyz/Monaco/.git/hooks/applypatch-msg.sample
Resource
debian9-armhf-20240729-en
Behavioral task
behavioral17
Sample
Cxdyz/Monaco/.git/hooks/applypatch-msg.sample
Resource
debian9-mipsbe-20240418-en
Behavioral task
behavioral18
Sample
Cxdyz/Monaco/.git/hooks/applypatch-msg.sample
Resource
debian9-mipsel-20240611-en
Behavioral task
behavioral19
Sample
Cxdyz/Monaco/.git/hooks/commit-msg.sample
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral20
Sample
Cxdyz/Monaco/.git/hooks/commit-msg.sample
Resource
debian9-armhf-20240611-en
Behavioral task
behavioral21
Sample
Cxdyz/Monaco/.git/hooks/commit-msg.sample
Resource
debian9-mipsbe-20240611-en
Behavioral task
behavioral22
Sample
Cxdyz/Monaco/.git/hooks/commit-msg.sample
Resource
debian9-mipsel-20240729-en
Behavioral task
behavioral23
Sample
Cxdyz/Monaco/.git/hooks/fsmonitor-watchman.sample
Resource
ubuntu1804-amd64-20240508-en
Behavioral task
behavioral24
Sample
Cxdyz/Monaco/.git/hooks/fsmonitor-watchman.sample
Resource
debian9-armhf-20240611-en
Behavioral task
behavioral25
Sample
Cxdyz/Monaco/.git/hooks/fsmonitor-watchman.sample
Resource
debian9-mipsbe-20240611-en
Behavioral task
behavioral26
Sample
Cxdyz/Monaco/.git/hooks/fsmonitor-watchman.sample
Resource
debian9-mipsel-20240418-en
Behavioral task
behavioral27
Sample
Cxdyz/Monaco/.git/hooks/post-update.sample
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral28
Sample
Cxdyz/Monaco/.git/hooks/post-update.sample
Resource
debian9-armhf-20240729-en
Behavioral task
behavioral29
Sample
Cxdyz/Monaco/.git/hooks/post-update.sample
Resource
debian9-mipsbe-20240611-en
Behavioral task
behavioral30
Sample
Cxdyz/Monaco/.git/hooks/post-update.sample
Resource
debian9-mipsel-20240418-en
Behavioral task
behavioral31
Sample
Cxdyz/Monaco/.git/hooks/pre-applypatch.sample
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral32
Sample
Cxdyz/Monaco/.git/hooks/pre-applypatch.sample
Resource
debian9-armhf-20240611-en
General
-
Target
Cxdyz/Flexer.exe
-
Size
143KB
-
MD5
d0b566a81cc36166344998426d351695
-
SHA1
79d9be955801bb25ffafc3a216a80cde82de1519
-
SHA256
b2a9cad37ba737f306f2523f8d46866705ff038e437cb342eb2255c1f9329a89
-
SHA512
5df8e27cff7e6716b49899c0d55d1962243b008b6cee775559198c318e2797f8c159d4469d03e9b2b552ad4d4f4d59903426383fba30ca436280bc19b002a4f6
-
SSDEEP
3072:HAi4pxpEHmAdx4/kyHRZa0YiRAl278IVn2JbS1cJs8lWxj:HAi4pxpRkyHRZa0Gl278IVNc+cWx
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Flexer.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation Flexer.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
-
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
Flexer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion Flexer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS Flexer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer Flexer.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Cxdyz\Flexer.exe"C:\Users\Admin\AppData\Local\Temp\Cxdyz\Flexer.exe"1⤵
- Checks computer location settings
- Enumerates system info in registry
PID:1980
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4388,i,11708048364682646792,608099842549576907,262144 --variations-seed-version --mojo-platform-channel-handle=4376 /prefetch:81⤵PID:3872
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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memory/1980-0-0x00000212E8EA0000-0x00000212E8EA1000-memory.dmpFilesize
4KB