Analysis
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max time kernel
118s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16-12-2024 12:26
Static task
static1
Behavioral task
behavioral1
Sample
0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe
Resource
win10v2004-20241007-en
General
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Target
0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe
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Size
1.5MB
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MD5
c8ec2d4fa3692c5552eae6d40841b8a0
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SHA1
736098d91d6f4920493ca99d541343f0d3472a52
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SHA256
0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368
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SHA512
f76aceb547bfd64492290a36350c13d79d74c6306dd679e551c66ac3d8f7effc4adbd30a77e70bb8b4c74d6c8ad37c9e00a56b743e35ae343cd74d7671a1b5da
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SSDEEP
24576:vH3q6cPO6Wf6VoGvwRdQeQAwhcJaLpL2Q7tkrEH7B:f66cXchGvwzQeQAweJaNCQ7t1
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000c000000023b19-2.dat floxif -
Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000c000000023b19-2.dat acprotect -
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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe -
Executes dropped EXE 1 IoCs
pid Process 1992 msn.exe -
Loads dropped DLL 4 IoCs
pid Process 2616 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe 1992 msn.exe 1992 msn.exe 1992 msn.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\apo5 = "C:\\Program Files (x86)\\win\\msn.exe" 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\i: msn.exe File opened (read-only) \??\v: msn.exe File opened (read-only) \??\w: msn.exe File opened (read-only) \??\y: msn.exe File opened (read-only) \??\z: msn.exe File opened (read-only) \??\e: 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe File opened (read-only) \??\e: msn.exe File opened (read-only) \??\m: msn.exe File opened (read-only) \??\r: msn.exe File opened (read-only) \??\x: msn.exe File opened (read-only) \??\g: msn.exe File opened (read-only) \??\j: msn.exe File opened (read-only) \??\n: msn.exe File opened (read-only) \??\t: msn.exe File opened (read-only) \??\h: msn.exe File opened (read-only) \??\l: msn.exe File opened (read-only) \??\k: msn.exe File opened (read-only) \??\o: msn.exe File opened (read-only) \??\p: msn.exe File opened (read-only) \??\q: msn.exe File opened (read-only) \??\s: msn.exe File opened (read-only) \??\u: msn.exe File opened (read-only) \??\a: msn.exe File opened (read-only) \??\b: msn.exe -
resource yara_rule behavioral2/files/0x000c000000023b19-2.dat upx behavioral2/memory/2616-5-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2616-17-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/2616-42-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1992-39-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1992-58-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1992-61-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1992-74-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/1992-79-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 9 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\win\msn.exe.dat msn.exe File created \??\c:\progra~1\common~1\system\symsrv.dll.000 msn.exe File created C:\Program Files\Common Files\System\symsrv.dll 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe File created C:\Program Files (x86)\win\msn.exe 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe File opened for modification C:\Program Files (x86)\win\msn.exe 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe File created C:\Program Files (x86)\win\msn.exe.tmp msn.exe File created \??\c:\program files\common files\system\symsrv.dll.000 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe File opened for modification C:\Program Files (x86)\win 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe File opened for modification C:\Program Files (x86)\win\msn.exe msn.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 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msn.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\IntelliForms\Storage2 msn.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2616 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe 2616 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe 1992 msn.exe 1992 msn.exe 1992 msn.exe 1992 msn.exe 1992 msn.exe 1992 msn.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2616 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe Token: SeDebugPrivilege 1992 msn.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2616 wrote to memory of 1992 2616 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe 90 PID 2616 wrote to memory of 1992 2616 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe 90 PID 2616 wrote to memory of 1992 2616 0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe"C:\Users\Admin\AppData\Local\Temp\0b649165969dcc070c6b4b94d8443a88b2b13e96276a81cd93077d8256370368N.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Program Files (x86)\win\msn.exe"C:\Program Files (x86)\win\msn.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1992
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
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Filesize
1.5MB
MD5e204ecf424069d15ce6028765a3f69d8
SHA1d424e2cdebcb9bf1b53af622a861e560b5ab91e1
SHA25642bff7859d04530a8996ec5db51d1b9713c098079a6fede6c566aea9644c1113
SHA512563859787a95099bee78150544d59da9f824abc5bf44e68aa8f6a341e9101ad56a20b861cc656eefe3ddb3710a2a9cf40a913a4118fd8e9580f8830eab13fd1f
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
1.4MB
MD5ae8e1122371d9d0d98c6259b6c771fe4
SHA172fcb7b2d300ec36133fb935edda8b1c2c098518
SHA256abea9b857334fca1cd801bcc228c6aaece3f123f57f618da1b4756e449a2445b
SHA512408730de3487c455d63da5c54e08061257726e56329db77e882624032579badc185f497dba12e2ef1cc261c4c262a4790dcfa19dc1afa46ab50a6ceb39ae2085
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Filesize
175B
MD51130c911bf5db4b8f7cf9b6f4b457623
SHA148e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA51294e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0