Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/10/2026, 03:27
Behavioral task
behavioral1
Sample
b83bb0bedf80fdc7.bin.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
b83bb0bedf80fdc7.bin.exe
Resource
win11ltsc2024-20260911-en
General
- Target b83bb0bedf80fdc7.bin.exe
- Size 12.0MB
- Sample261030-dz2mlsat3k
- SHA256 318a039986594d58b3b669c716d8f7a13a261699f10ed82f8b5ef14234bbb4da
- MD5 38e7296fd193aba630d1fd59b4762b53
- SHA1 104ff6510a6d71d909d50faeb0353a4a020055f4
- SHA512 ea246374556b53549959d09be26d4ccd2b68c5639187eec88f8aa5fce21e063551c8d0c11032f7186c761ea5c13773d038eec3183eebbb2db3ee64f495825382
- SSDEEP 98304:tjhOBNrzuaCerzFi6bszT1JX4pG2IfZE+m:yBkKr5rszpNDy+m
- TLSH T103C65B11FACB54F6F9036831406BB27F23355D058B28CB9BEB183B6AF877691187A705
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: salatstealer
SalatStealer is a stealer that takes sceenshot written in Golang.
- Detect SalatStealer payload 1 IoCs
resource yara_rule behavioral1/files/0x0007000000024517-3.dat family_salatstealer - UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" powershell.exe - Executes dropped EXE 3 IoCs
pid Process 1316 upfc.exe 4436 upfc.exe 4288 upfc.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Recovery ReAgentc.exe File opened for modification C:\Windows\SysWOW64\Recovery\ReAgent.xml ReAgentc.exe - Drops file in Program Files directory 6 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\upfc.exe upfc.exe File opened for modification C:\Program Files (x86)\Adobe\828f28d7-79b1-1cfc-f7d6-3a9335d3d779 b83bb0bedf80fdc7.bin.exe File opened for modification C:\Program Files (x86)\Adobe\TextInputHost.exe b83bb0bedf80fdc7.bin.exe File opened for modification C:\Program Files (x86)\Windows Multimedia Platform\828f28d7-79b1-1cfc-f7d6-3a9335d3d779 b83bb0bedf80fdc7.bin.exe File opened for modification C:\Program Files (x86)\Windows Multimedia Platform\upfc.exe b83bb0bedf80fdc7.bin.exe File opened for modification C:\Program Files\Google\Chrome\Application\upfc.exe upfc.exe - Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\Panther\UnattendGC\diagwrn.xml ReAgentc.exe File opened for modification C:\Windows\Logs\ReAgent\ReAgent.log ReAgentc.exe File opened for modification C:\Windows\Panther\UnattendGC\setuperr.log ReAgentc.exe File opened for modification C:\Windows\Panther\UnattendGC\diagerr.xml ReAgentc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname upfc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain upfc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname upfc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname upfc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname b83bb0bedf80fdc7.bin.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain b83bb0bedf80fdc7.bin.exe - System Location Discovery: System Language Discovery 1 TTPs 6 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 upfc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language upfc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language upfc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ReAgentc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b83bb0bedf80fdc7.bin.exe - Suspicious behavior: EnumeratesProcesses 42 IoCs
pid Process 1772 b83bb0bedf80fdc7.bin.exe 1772 b83bb0bedf80fdc7.bin.exe 1772 b83bb0bedf80fdc7.bin.exe 1772 b83bb0bedf80fdc7.bin.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 3984 powershell.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 3984 powershell.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe 1316 upfc.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1316 upfc.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3984 powershell.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1772 wrote to memory of 1316 1772 b83bb0bedf80fdc7.bin.exe 92 PID 1316 wrote to memory of 3984 1316 upfc.exe 95 PID 1316 wrote to memory of 4436 1316 upfc.exe 97 PID 1316 wrote to memory of 4288 1316 upfc.exe 100 PID 3984 wrote to memory of 2572 3984 powershell.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\b83bb0bedf80fdc7.bin.exe"C:\Users\Admin\AppData\Local\Temp\b83bb0bedf80fdc7.bin.exe"1⤵
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Program Files (x86)\Windows Multimedia Platform\upfc.exe"C:\Program Files (x86)\Windows Multimedia Platform\upfc.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1316 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe3⤵
- UAC bypass
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Windows\SysWOW64\ReAgentc.exe"C:\Windows\system32\ReAgentc.exe" /disable4⤵
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2572
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C:\Program Files\Google\Chrome\Application\upfc.exe"C:\Program Files\Google\Chrome\Application\upfc.exe" -3⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:4436
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C:\Program Files (x86)\Microsoft\Edge\Application\upfc.exe"C:\Program Files (x86)\Microsoft\Edge\Application\upfc.exe" -3⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:4288
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:3164
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:832
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C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"1⤵PID:2844
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files (x86)\Windows Multimedia Platform\upfc.exe
- Size 12.0MB
- SHA256 318a039986594d58b3b669c716d8f7a13a261699f10ed82f8b5ef14234bbb4da
- MD5 38e7296fd193aba630d1fd59b4762b53
- SHA1 104ff6510a6d71d909d50faeb0353a4a020055f4
- SHA512 ea246374556b53549959d09be26d4ccd2b68c5639187eec88f8aa5fce21e063551c8d0c11032f7186c761ea5c13773d038eec3183eebbb2db3ee64f495825382
- SSDEEP 98304:tjhOBNrzuaCerzFi6bszT1JX4pG2IfZE+m:yBkKr5rszpNDy+m
- TLSH T103C65B11FACB54F6F9036831406BB27F23355D058B28CB9BEB183B6AF877691187A705
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3wv1k4ti.jvm.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH