Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
25/02/2025, 13:41
Static task
static1
Behavioral task
behavioral1
Sample
49b298624de14b573163b90397130419.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
49b298624de14b573163b90397130419.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20250217-en
General
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Target
49b298624de14b573163b90397130419.exe
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Size
1.0MB
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MD5
49b298624de14b573163b90397130419
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SHA1
013b0fe9893158822f141113dfe46cd924e2a443
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SHA256
3d1067331b7bed8a818ca2efcec2136667f2a180d0ee716a6f9b475e9df2fd7d
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SHA512
b21c95d074e2c55b2e0f58a6158c1b393f84dab10c79a4fcfa0b86e4a69e29c2052fac8ecfb5448032a833f379c683d1ac79754ad04226a0086139f5005aedd8
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SSDEEP
24576:LzOEC045nLnc5hdrvxFqJ+ZIEDw4vNG5Hgapn:eEeFLu12J+lktNge
Malware Config
Signatures
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 2 IoCs
pid Process 1524 49b298624de14b573163b90397130419.exe 1524 49b298624de14b573163b90397130419.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 33 drive.google.com 34 drive.google.com -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 2044 49b298624de14b573163b90397130419.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1524 49b298624de14b573163b90397130419.exe 2044 49b298624de14b573163b90397130419.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 49b298624de14b573163b90397130419.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 49b298624de14b573163b90397130419.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1524 49b298624de14b573163b90397130419.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2044 49b298624de14b573163b90397130419.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1524 wrote to memory of 2044 1524 49b298624de14b573163b90397130419.exe 95 PID 1524 wrote to memory of 2044 1524 49b298624de14b573163b90397130419.exe 95 PID 1524 wrote to memory of 2044 1524 49b298624de14b573163b90397130419.exe 95 PID 1524 wrote to memory of 2044 1524 49b298624de14b573163b90397130419.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\49b298624de14b573163b90397130419.exe"C:\Users\Admin\AppData\Local\Temp\49b298624de14b573163b90397130419.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Users\Admin\AppData\Local\Temp\49b298624de14b573163b90397130419.exe"C:\Users\Admin\AppData\Local\Temp\49b298624de14b573163b90397130419.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2044
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD53f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1fe582246792774c2c9dd15639ffa0aca90d6fd0b
SHA256fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
SHA5120a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6