Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14-01-2025 08:01
Static task
static1
Behavioral task
behavioral1
Sample
b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe
Resource
win7-20240903-en
General
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Target
b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe
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Size
10.2MB
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MD5
fe5332ffecf99807638d8cc3a01d4d65
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SHA1
be04960eb376e35694758045604a3b2578ca48e8
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SHA256
b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5
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SHA512
257837e00969d921135c6a7c407ea74593993a5f95de72e6139d52f4bdd3ef2db3e107a2919b53587a8bbde89fb1ce1c254075282d5cf6468b8216e7887ba509
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SSDEEP
196608:jiINy2Lkul1Ms88OayHDLZDj1QuUsnRpapY/RyEcI3fLaM2FRQ0+1:XlqRHDYuLRpaSpyF3M4RI1
Malware Config
Signatures
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Blackmoon family
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Detect Blackmoon payload 5 IoCs
resource yara_rule behavioral1/memory/2636-45-0x0000000000400000-0x000000000189F000-memory.dmp family_blackmoon behavioral1/memory/2636-48-0x0000000000400000-0x000000000189F000-memory.dmp family_blackmoon behavioral1/memory/2636-46-0x0000000000400000-0x000000000189F000-memory.dmp family_blackmoon behavioral1/memory/2636-47-0x0000000000400000-0x000000000189F000-memory.dmp family_blackmoon behavioral1/memory/2636-201-0x0000000000400000-0x000000000189F000-memory.dmp family_blackmoon -
resource yara_rule behavioral1/memory/1984-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1984-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1984-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/800-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2672-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/800-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2672-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2672-44-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2672-50-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 9 IoCs
resource yara_rule behavioral1/memory/1984-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1984-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1984-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/800-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2672-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/800-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2672-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2672-44-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2672-50-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatforn.exe -
resource yara_rule behavioral1/files/0x0007000000016d47-31.dat aspack_v212_v242 -
Executes dropped EXE 4 IoCs
pid Process 1984 RVN.exe 800 TXPlatforn.exe 2672 TXPlatforn.exe 2636 HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe -
Loads dropped DLL 4 IoCs
pid Process 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 800 TXPlatforn.exe 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
resource yara_rule behavioral1/memory/1984-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1984-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1984-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1984-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/800-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2672-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/800-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2672-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2672-44-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2672-50-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2636-83-0x0000000007270000-0x000000000732E000-memory.dmp upx behavioral1/memory/2636-87-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-90-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-89-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-86-0x0000000007270000-0x000000000732E000-memory.dmp upx behavioral1/memory/2636-85-0x0000000007270000-0x000000000732E000-memory.dmp upx behavioral1/memory/2636-92-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-127-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-125-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-123-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-121-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-119-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-117-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-115-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-113-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-111-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-109-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-108-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-105-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-103-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-101-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-99-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-97-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-95-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx behavioral1/memory/2636-93-0x0000000004B30000-0x0000000004B6E000-memory.dmp upx -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.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 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 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RVN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatforn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2536 PING.EXE 2168 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2536 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2672 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1984 RVN.exe Token: SeLoadDriverPrivilege 2672 TXPlatforn.exe Token: 33 2672 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2672 TXPlatforn.exe Token: 33 2672 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2672 TXPlatforn.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2636 HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2636 HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 2636 HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 2636 HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 2636 HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 2636 HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2016 wrote to memory of 1984 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 31 PID 2016 wrote to memory of 1984 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 31 PID 2016 wrote to memory of 1984 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 31 PID 2016 wrote to memory of 1984 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 31 PID 2016 wrote to memory of 1984 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 31 PID 2016 wrote to memory of 1984 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 31 PID 2016 wrote to memory of 1984 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 31 PID 1984 wrote to memory of 2168 1984 RVN.exe 33 PID 1984 wrote to memory of 2168 1984 RVN.exe 33 PID 1984 wrote to memory of 2168 1984 RVN.exe 33 PID 1984 wrote to memory of 2168 1984 RVN.exe 33 PID 800 wrote to memory of 2672 800 TXPlatforn.exe 35 PID 800 wrote to memory of 2672 800 TXPlatforn.exe 35 PID 800 wrote to memory of 2672 800 TXPlatforn.exe 35 PID 800 wrote to memory of 2672 800 TXPlatforn.exe 35 PID 800 wrote to memory of 2672 800 TXPlatforn.exe 35 PID 800 wrote to memory of 2672 800 TXPlatforn.exe 35 PID 800 wrote to memory of 2672 800 TXPlatforn.exe 35 PID 2016 wrote to memory of 2636 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 36 PID 2016 wrote to memory of 2636 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 36 PID 2016 wrote to memory of 2636 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 36 PID 2016 wrote to memory of 2636 2016 b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe 36 PID 2168 wrote to memory of 2536 2168 cmd.exe 37 PID 2168 wrote to memory of 2536 2168 cmd.exe 37 PID 2168 wrote to memory of 2536 2168 cmd.exe 37 PID 2168 wrote to memory of 2536 2168 cmd.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe"C:\Users\Admin\AppData\Local\Temp\b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Users\Admin\AppData\Local\Temp\RVN.exeC:\Users\Admin\AppData\Local\Temp\\RVN.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\RVN.exe > nul3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2536
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C:\Users\Admin\AppData\Local\Temp\HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exeC:\Users\Admin\AppData\Local\Temp\HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2636
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:800 -
C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2672
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.5MB
MD5ad7f24c684d77ca586e6c7a6e2c79840
SHA1a7ae52bd7351a39ea5ddb9c3ee187d09502d7dd5
SHA256908dfa994bd841091b0f5e812e46802a740c01b874f9cfd69ead6e9dfc704d0d
SHA5123d441f68eeb4ec7725548a31b556b8c3309e4ec3352598d2d28a5c223aac4173f76edd3de5de895b26ee969152093b1f3ae7d14fc3e223c46c595d267fddbf68
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Filesize
20B
MD51e22d44da44b2cfb83de9548d2dcc367
SHA1da59c77ac3e6c9e3d849ce870ddc0ae71295344d
SHA256b697179eb7dda41d40ab7a7bfe6a039689c9c2160ab339beacb97c900fa5d009
SHA51210136dc460e1bf82611f057b5279f1abaa50181573ad48718197c5615e761051db5207db47736103737544bfd8bd6b7619d9443a50e875ef2c9fed22335e6182
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\Users\Admin\AppData\Local\Temp\HD_b5fec9112fc76546b944a4b90a7b4c9a8335b9a0f18f5f589e90ebf934860da5.exe
Filesize8.7MB
MD51f4edcba1e55ad0649c08933744112bf
SHA18decfccb175d6c9bcf82612f4abda86f8d61100c
SHA256881f36b4938638f5980acf8cb88a04379cdd49ef36e41dfdf0befd2b3c2a2bd1
SHA5129a66cff17786b5d3d40f66ac491f0685c840a8076a831ece9a02f27c79c52300933050334df3360aa15825345da957df5687fad7f19dd49cf3c92e7ac074637e
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4