Overview
overview
10Static
static
10FlexerApp/...ws.exe
windows7-x64
1FlexerApp/...ws.exe
windows10-2004-x64
1FlexerApp/...ws.exe
windows7-x64
1FlexerApp/...ws.exe
windows10-2004-x64
7FlexerApp/...pet.js
windows7-x64
3FlexerApp/...pet.js
windows10-2004-x64
3FlexerApp/Flexery.dll
windows7-x64
1FlexerApp/Flexery.dll
windows10-2004-x64
1FlexerApp/...I2.dll
windows7-x64
1FlexerApp/...I2.dll
windows10-2004-x64
1FlexerApp/...re.dll
windows7-x64
1FlexerApp/...re.dll
windows10-2004-x64
1FlexerApp/...ms.dll
windows7-x64
1FlexerApp/...ms.dll
windows10-2004-x64
1FlexerApp/...pf.dll
windows7-x64
1FlexerApp/...pf.dll
windows10-2004-x64
1FlexerApp/...sample
ubuntu-18.04-amd64
1FlexerApp/...sample
debian-9-armhf
1FlexerApp/...sample
debian-9-mips
1FlexerApp/...sample
debian-9-mipsel
1FlexerApp/...sample
ubuntu-18.04-amd64
3FlexerApp/...sample
debian-9-armhf
3FlexerApp/...sample
debian-9-mips
3FlexerApp/...sample
debian-9-mipsel
3FlexerApp/...sample
ubuntu-18.04-amd64
1FlexerApp/...sample
debian-9-armhf
1FlexerApp/...sample
debian-9-mips
1FlexerApp/...sample
debian-9-mipsel
1FlexerApp/...sample
ubuntu-18.04-amd64
1FlexerApp/...sample
debian-9-armhf
1FlexerApp/...sample
debian-9-mips
1FlexerApp/...sample
debian-9-mipsel
1Analysis
-
max time kernel
146s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
30-06-2024 15:44
Behavioral task
behavioral1
Sample
FlexerApp/Flexer_Windows.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
FlexerApp/Flexer_Windows.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
FlexerApp/Flexer_Windows.exe
Resource
win7-20240611-en
Behavioral task
behavioral4
Sample
FlexerApp/Flexer_Windows.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
FlexerApp/Flexer_Windows.exe.WebView2/EBWebView/Subresource Filter/Unindexed Rules/10.34.0.54/adblock_snippet.js
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
FlexerApp/Flexer_Windows.exe.WebView2/EBWebView/Subresource Filter/Unindexed Rules/10.34.0.54/adblock_snippet.js
Resource
win10v2004-20240611-en
Behavioral task
behavioral7
Sample
FlexerApp/Flexery.dll
Resource
win7-20240611-en
Behavioral task
behavioral8
Sample
FlexerApp/Flexery.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
FlexerApp/Guna.UI2.dll
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
FlexerApp/Guna.UI2.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
FlexerApp/Microsoft.Web.WebView2.Core.dll
Resource
win7-20240419-en
Behavioral task
behavioral12
Sample
FlexerApp/Microsoft.Web.WebView2.Core.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
FlexerApp/Microsoft.Web.WebView2.WinForms.dll
Resource
win7-20240611-en
Behavioral task
behavioral14
Sample
FlexerApp/Microsoft.Web.WebView2.WinForms.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
FlexerApp/Microsoft.Web.WebView2.Wpf.dll
Resource
win7-20240611-en
Behavioral task
behavioral16
Sample
FlexerApp/Microsoft.Web.WebView2.Wpf.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
FlexerApp/Monaco/.git/hooks/applypatch-msg.sample
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral18
Sample
FlexerApp/Monaco/.git/hooks/applypatch-msg.sample
Resource
debian9-armhf-20240418-en
Behavioral task
behavioral19
Sample
FlexerApp/Monaco/.git/hooks/applypatch-msg.sample
Resource
debian9-mipsbe-20240418-en
Behavioral task
behavioral20
Sample
FlexerApp/Monaco/.git/hooks/applypatch-msg.sample
Resource
debian9-mipsel-20240611-en
Behavioral task
behavioral21
Sample
FlexerApp/Monaco/.git/hooks/commit-msg.sample
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral22
Sample
FlexerApp/Monaco/.git/hooks/commit-msg.sample
Resource
debian9-armhf-20240418-en
Behavioral task
behavioral23
Sample
FlexerApp/Monaco/.git/hooks/commit-msg.sample
Resource
debian9-mipsbe-20240418-en
Behavioral task
behavioral24
Sample
FlexerApp/Monaco/.git/hooks/commit-msg.sample
Resource
debian9-mipsel-20240226-en
Behavioral task
behavioral25
Sample
FlexerApp/Monaco/.git/hooks/fsmonitor-watchman.sample
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral26
Sample
FlexerApp/Monaco/.git/hooks/fsmonitor-watchman.sample
Resource
debian9-armhf-20240611-en
Behavioral task
behavioral27
Sample
FlexerApp/Monaco/.git/hooks/fsmonitor-watchman.sample
Resource
debian9-mipsbe-20240418-en
Behavioral task
behavioral28
Sample
FlexerApp/Monaco/.git/hooks/fsmonitor-watchman.sample
Resource
debian9-mipsel-20240418-en
Behavioral task
behavioral29
Sample
FlexerApp/Monaco/.git/hooks/post-update.sample
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral30
Sample
FlexerApp/Monaco/.git/hooks/post-update.sample
Resource
debian9-armhf-20240611-en
Behavioral task
behavioral31
Sample
FlexerApp/Monaco/.git/hooks/post-update.sample
Resource
debian9-mipsbe-20240418-en
Behavioral task
behavioral32
Sample
FlexerApp/Monaco/.git/hooks/post-update.sample
Resource
debian9-mipsel-20240418-en
General
-
Target
FlexerApp/Flexer_Windows.exe
-
Size
139KB
-
MD5
1df7f832ee8e216c1dde269055a4a141
-
SHA1
f9608ce4dec5a56b7d6a3bf78f847f7bab45f0a2
-
SHA256
f6d7f2c2a655a0410f4a4c96898fc6a34e5b87544a13234a263897138f558a3e
-
SHA512
44500ae0add6ea83b25d31d70ee130fa2bcb9b93784c3c008805703b0f36c374ece2cbf439c699957cdae16d6646403e6cad92ddbfd2ecfa180ef6e86ada2960
-
SSDEEP
3072:XiS4omp03WQthI/9S3BZi08iRQ1G78IVn2ebSkcJu8ltx:XiS4ompB9S3BZi0a1G78IVhcoct
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Flexer_Windows.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation Flexer_Windows.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
Flexer_Windows.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS Flexer_Windows.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer Flexer_Windows.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion Flexer_Windows.exe
Processes
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
-
memory/1976-0-0x00000209B12E0000-0x00000209B12E1000-memory.dmpFilesize
4KB