Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20250211-en -
resource tags
arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system -
submitted
17-02-2025 06:53
Static task
static1
Behavioral task
behavioral1
Sample
svhest.exe
Resource
win7-20241023-en
General
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Target
svhest.exe
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Size
491KB
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MD5
a40e4a8aaf476b3d9997d05489f87c2a
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SHA1
dc7f49a217cda95d29d46c0d00afedea7404d7c8
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SHA256
df60b74ff96bb320d1cf8d1a511c56bae2ca8d94ebb6566eca7b51c3521c0171
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SHA512
bc31c5fd1c8d5547146ff7d123d9815b92565e0909d32dac71e790cb795c740566d082a166041c62b0b3fa8a21be9f850a894b9a4919563fae9171aea4fde4ca
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SSDEEP
6144:GpoMkequERu8qQ1fjYMMW9eKZH+IdISTUL24qL9cPKcPzR2RP6lZv:oDR+u8pfjYMMWNvdhUSByFPztv
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2288-2-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral2/memory/2288-3-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral2/memory/2288-5-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral2/memory/396-14-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral2/memory/396-16-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral2/memory/396-13-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral2/memory/2288-19-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral2/memory/2516-27-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral2/memory/2516-26-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral2/memory/396-25-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral2/memory/2516-32-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/2288-2-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral2/memory/2288-3-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral2/memory/2288-5-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral2/memory/396-14-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral2/memory/396-16-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral2/memory/396-13-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral2/memory/2288-19-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral2/memory/2516-27-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral2/memory/2516-26-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral2/memory/396-25-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral2/memory/2516-32-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Downloads MZ/PE file 1 IoCs
flow pid Process 27 5100 Process not Found -
Executes dropped EXE 2 IoCs
pid Process 396 Jbrja.exe 2516 Jbrja.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\B: Jbrja.exe File opened (read-only) \??\U: Jbrja.exe File opened (read-only) \??\E: Jbrja.exe File opened (read-only) \??\G: Jbrja.exe File opened (read-only) \??\H: Jbrja.exe File opened (read-only) \??\I: Jbrja.exe File opened (read-only) \??\K: Jbrja.exe File opened (read-only) \??\N: Jbrja.exe File opened (read-only) \??\O: Jbrja.exe File opened (read-only) \??\Q: Jbrja.exe File opened (read-only) \??\R: Jbrja.exe File opened (read-only) \??\S: Jbrja.exe File opened (read-only) \??\X: Jbrja.exe File opened (read-only) \??\J: Jbrja.exe File opened (read-only) \??\M: Jbrja.exe File opened (read-only) \??\P: Jbrja.exe File opened (read-only) \??\V: Jbrja.exe File opened (read-only) \??\W: Jbrja.exe File opened (read-only) \??\L: Jbrja.exe File opened (read-only) \??\T: Jbrja.exe File opened (read-only) \??\Y: Jbrja.exe File opened (read-only) \??\Z: Jbrja.exe -
resource yara_rule behavioral2/memory/2288-2-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/2288-3-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/2288-5-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/2288-0-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/396-11-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/396-14-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/396-16-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/396-13-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/2288-19-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/2516-27-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/2516-26-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/396-25-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral2/memory/2516-32-0x0000000010000000-0x00000000101D0000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Jbrja.exe svhest.exe File opened for modification C:\Program Files\Jbrja.exe svhest.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svhest.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Jbrja.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Jbrja.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2596 cmd.exe 3328 PING.EXE 3300 MicrosoftEdgeUpdate.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Jbrja.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Jbrja.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum Jbrja.exe Key created \REGISTRY\USER\.DEFAULT\Software Jbrja.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft Jbrja.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie Jbrja.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" Jbrja.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3328 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe 2516 Jbrja.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2288 svhest.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2288 wrote to memory of 2596 2288 svhest.exe 89 PID 2288 wrote to memory of 2596 2288 svhest.exe 89 PID 2288 wrote to memory of 2596 2288 svhest.exe 89 PID 396 wrote to memory of 2516 396 Jbrja.exe 90 PID 396 wrote to memory of 2516 396 Jbrja.exe 90 PID 396 wrote to memory of 2516 396 Jbrja.exe 90 PID 2596 wrote to memory of 3328 2596 cmd.exe 92 PID 2596 wrote to memory of 3328 2596 cmd.exe 92 PID 2596 wrote to memory of 3328 2596 cmd.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\svhest.exe"C:\Users\Admin\AppData\Local\Temp\svhest.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2288 -
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\svhest.exe > nul2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3328
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C:\Program Files\Jbrja.exe"C:\\Program Files\\Jbrja.exe" -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Program Files\Jbrja.exe"C:\Program Files\Jbrja.exe" -acsi2⤵
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:2516
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI1IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0Njk5NjAxNjMyIi8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3300
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C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{F504F686-F79D-466B-9DC0-5AF40B58E599}\MicrosoftEdge_X64_133.0.3065.69.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{F504F686-F79D-466B-9DC0-5AF40B58E599}\MicrosoftEdge_X64_133.0.3065.69.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable1⤵PID:2532
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
491KB
MD5a40e4a8aaf476b3d9997d05489f87c2a
SHA1dc7f49a217cda95d29d46c0d00afedea7404d7c8
SHA256df60b74ff96bb320d1cf8d1a511c56bae2ca8d94ebb6566eca7b51c3521c0171
SHA512bc31c5fd1c8d5547146ff7d123d9815b92565e0909d32dac71e790cb795c740566d082a166041c62b0b3fa8a21be9f850a894b9a4919563fae9171aea4fde4ca