Analysis
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max time kernel
144s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-11-2024 18:01
Static task
static1
Behavioral task
behavioral1
Sample
RP.sfx.exe
Resource
win7-20240903-en
General
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Target
RP.sfx.exe
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Size
10.0MB
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MD5
e335f71c0f053c393626691bd60a58a4
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SHA1
0cc99df70cca24c5f96edf36672ea297fe71043f
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SHA256
af0c48ca1ed3431b936d489bf1e8255a5d4182bd6164946bd6179ae3f212d0b1
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SHA512
eaa5b09100e133cd7241258255c02be262d3f6061774f9d32424922aaae8fa04d148f665d7c61c6f7ac1f1a23e87994b7bc6b0ba7fdd2fd0fa2d4575ac460195
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SSDEEP
196608:uchhf7FHaM6MkwG2ea8oQoidqpcO49UEahKBXSmLnS0rCqs2vm9EGgy:dvfBdPG2QzoY1OgUEPV7r9s2+9bgy
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/1162710207558852689/c241__Tv-C5fSE0jsivUVIhYUTy9AQG_2q-Wedc4i61WcTidBFF8dAoQzbri3Cz5u5KI
Signatures
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44Caliber family
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Executes dropped EXE 1 IoCs
pid Process 2452 RP.EXE -
Loads dropped DLL 5 IoCs
pid Process 2124 RP.sfx.exe 2124 RP.sfx.exe 2124 RP.sfx.exe 2124 RP.sfx.exe 2124 RP.sfx.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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 freegeoip.app 5 freegeoip.app -
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 25 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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RP.sfx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 RP.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier RP.EXE -
Modifies registry class 24 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2452 RP.EXE 2452 RP.EXE 2452 RP.EXE 2452 RP.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2452 RP.EXE -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2124 wrote to memory of 2452 2124 RP.sfx.exe 28 PID 2124 wrote to memory of 2452 2124 RP.sfx.exe 28 PID 2124 wrote to memory of 2452 2124 RP.sfx.exe 28 PID 2124 wrote to memory of 2452 2124 RP.sfx.exe 28 PID 2124 wrote to memory of 316 2124 RP.sfx.exe 29 PID 2124 wrote to memory of 316 2124 RP.sfx.exe 29 PID 2124 wrote to memory of 316 2124 RP.sfx.exe 29 PID 2124 wrote to memory of 316 2124 RP.sfx.exe 29 PID 2124 wrote to memory of 316 2124 RP.sfx.exe 29 PID 2124 wrote to memory of 316 2124 RP.sfx.exe 29 PID 2124 wrote to memory of 316 2124 RP.sfx.exe 29 PID 316 wrote to memory of 2392 316 rundll32.exe 31 PID 316 wrote to memory of 2392 316 rundll32.exe 31 PID 316 wrote to memory of 2392 316 rundll32.exe 31 PID 316 wrote to memory of 2392 316 rundll32.exe 31 PID 316 wrote to memory of 2392 316 rundll32.exe 31 PID 316 wrote to memory of 2392 316 rundll32.exe 31 PID 316 wrote to memory of 2392 316 rundll32.exe 31 PID 2392 wrote to memory of 824 2392 rundll32.exe 32 PID 2392 wrote to memory of 824 2392 rundll32.exe 32 PID 2392 wrote to memory of 824 2392 rundll32.exe 32 PID 2392 wrote to memory of 824 2392 rundll32.exe 32 PID 2392 wrote to memory of 824 2392 rundll32.exe 32 PID 2392 wrote to memory of 824 2392 rundll32.exe 32 PID 2392 wrote to memory of 824 2392 rundll32.exe 32 PID 824 wrote to memory of 1984 824 rundll32.exe 35 PID 824 wrote to memory of 1984 824 rundll32.exe 35 PID 824 wrote to memory of 1984 824 rundll32.exe 35 PID 824 wrote to memory of 1984 824 rundll32.exe 35 PID 824 wrote to memory of 1984 824 rundll32.exe 35 PID 824 wrote to memory of 1984 824 rundll32.exe 35 PID 824 wrote to memory of 1984 824 rundll32.exe 35 PID 1984 wrote to memory of 1944 1984 rundll32.exe 36 PID 1984 wrote to memory of 1944 1984 rundll32.exe 36 PID 1984 wrote to memory of 1944 1984 rundll32.exe 36 PID 1984 wrote to memory of 1944 1984 rundll32.exe 36 PID 1984 wrote to memory of 1944 1984 rundll32.exe 36 PID 1984 wrote to memory of 1944 1984 rundll32.exe 36 PID 1984 wrote to memory of 1944 1984 rundll32.exe 36 PID 1944 wrote to memory of 2780 1944 rundll32.exe 37 PID 1944 wrote to memory of 2780 1944 rundll32.exe 37 PID 1944 wrote to memory of 2780 1944 rundll32.exe 37 PID 1944 wrote to memory of 2780 1944 rundll32.exe 37 PID 1944 wrote to memory of 2780 1944 rundll32.exe 37 PID 1944 wrote to memory of 2780 1944 rundll32.exe 37 PID 1944 wrote to memory of 2780 1944 rundll32.exe 37 PID 2780 wrote to memory of 2800 2780 rundll32.exe 38 PID 2780 wrote to memory of 2800 2780 rundll32.exe 38 PID 2780 wrote to memory of 2800 2780 rundll32.exe 38 PID 2780 wrote to memory of 2800 2780 rundll32.exe 38 PID 2780 wrote to memory of 2800 2780 rundll32.exe 38 PID 2780 wrote to memory of 2800 2780 rundll32.exe 38 PID 2780 wrote to memory of 2800 2780 rundll32.exe 38 PID 2800 wrote to memory of 2996 2800 rundll32.exe 39 PID 2800 wrote to memory of 2996 2800 rundll32.exe 39 PID 2800 wrote to memory of 2996 2800 rundll32.exe 39 PID 2800 wrote to memory of 2996 2800 rundll32.exe 39 PID 2800 wrote to memory of 2996 2800 rundll32.exe 39 PID 2800 wrote to memory of 2996 2800 rundll32.exe 39 PID 2800 wrote to memory of 2996 2800 rundll32.exe 39 PID 2996 wrote to memory of 2960 2996 rundll32.exe 40 PID 2996 wrote to memory of 2960 2996 rundll32.exe 40 PID 2996 wrote to memory of 2960 2996 rundll32.exe 40 PID 2996 wrote to memory of 2960 2996 rundll32.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\RP.sfx.exe"C:\Users\Admin\AppData\Local\Temp\RP.sfx.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124 -
C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.EXE"C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.EXE"2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2452
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7Z2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:316 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z3⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z4⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:824 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z5⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z6⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z7⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z8⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z9⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z10⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2960 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z11⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:904 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z12⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1792 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z13⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2816 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z14⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:772 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z15⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1336 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z16⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1740 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z17⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1092 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z18⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2412 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z19⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2228 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z20⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1612 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z21⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2408 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z22⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2016 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z23⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2640 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z24⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2812 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RESOURCEPACK\RP.7z25⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2524
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
398B
MD58a5e758441cb6c3cb56b446b431baede
SHA12a88d9049d756c19a1d8afb0baebf18380913a86
SHA25699f69f841090c190d4b291cf23622e97fe4eade49a764bce6ca3e16acae640b7
SHA512ede9d66ae5a1f0f5a312f52dd0ce212a016d07730fe45c000b971abacd8d6c8e0bb1dbc77688062385ac1b7e0c548c1661d167f286c7a6f1a14a3f99f893fb69
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Filesize
251KB
MD5513286e3e241f1c93556f45db4f8dc23
SHA132c83261b6ac5663e91664764aab429e6cd424d1
SHA256a46070cb169ed0754c0fb624ad29f59fbc66fb75df9d2b3daefda76bc0d0d893
SHA512890a2d7a72cf9975ebd716ad3c6f05f595afd1218106054c3c33ff1b9d41baf52c0013b8f65d975d372151b3303311f6554cb412fbcbbb0cf01dc8e81109f693