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Analysis
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max time kernel
56s -
max time network
58s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
17/07/2024, 07:45
Static task
static1
General
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Target
Ujuax.exe
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Size
4.8MB
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MD5
cc0586b98c46e5ed73efb1b0e9181130
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SHA1
ff4a38d4acb50e4385727ef5455b77344b9b01c6
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SHA256
b32f304e47735f05127ca24f7094514ef8b2b6d4d23c2b34a519ada6dc93b628
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SHA512
2a8e5c1f6a449abe949b7e1fab291a1919bb80859648fd2bad50cf46964a3292db7f63663a4aa9f62993f3f85fb1e14fd05dfc68f9632e25f19a59bdf9e22468
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SSDEEP
24576:D0cxDzNN+hJELofuY4e9fB03aZTtjck/aCbycRZxE7EiMdwTBHPJArTJnC03Ud1E:4cnk
Malware Config
Extracted
asyncrat
AWS | 3Losh
Scar
scar77747.duckdns.org:6606
scar77747.duckdns.org:7707
scar77747.duckdns.org:8808
Alx_alx
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delay
3
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install
false
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install_folder
%AppData%
Signatures
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Async RAT payload 1 IoCs
resource yara_rule behavioral1/memory/5084-4902-0x0000000005EE0000-0x0000000005EF6000-memory.dmp family_asyncrat -
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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation Ujuax.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
pid Process 4364 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1812 powershell.exe 1812 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5084 Ujuax.exe Token: SeDebugPrivilege 5084 Ujuax.exe Token: SeDebugPrivilege 1812 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5084 wrote to memory of 3228 5084 Ujuax.exe 87 PID 5084 wrote to memory of 3228 5084 Ujuax.exe 87 PID 5084 wrote to memory of 3228 5084 Ujuax.exe 87 PID 3228 wrote to memory of 4364 3228 cmd.exe 91 PID 3228 wrote to memory of 4364 3228 cmd.exe 91 PID 3228 wrote to memory of 4364 3228 cmd.exe 91 PID 5084 wrote to memory of 1812 5084 Ujuax.exe 99 PID 5084 wrote to memory of 1812 5084 Ujuax.exe 99 PID 5084 wrote to memory of 1812 5084 Ujuax.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\Ujuax.exe"C:\Users\Admin\AppData\Local\Temp\Ujuax.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5084 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /release2⤵
- Suspicious use of WriteProcessMemory
PID:3228 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /release3⤵
- Gathers network information
PID:4364
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc 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2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1812
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82