Analysis
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max time kernel
129s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
17-02-2025 06:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
svhest.exe
Resource
win7-20241023-en
windows7-x64
20 signatures
150 seconds
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 behavioral1/memory/588-5-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/588-3-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/588-2-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/320-14-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/320-16-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2556-27-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/320-28-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2556-26-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/588-22-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 9 IoCs
resource yara_rule behavioral1/memory/588-5-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/588-3-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/588-2-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/320-14-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/320-16-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2556-27-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/320-28-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2556-26-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/588-22-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Deletes itself 1 IoCs
pid Process 1908 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 320 Jbrja.exe 2556 Jbrja.exe -
Loads dropped DLL 1 IoCs
pid Process 320 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) \??\Z: Jbrja.exe File opened (read-only) \??\K: Jbrja.exe File opened (read-only) \??\P: Jbrja.exe File opened (read-only) \??\S: Jbrja.exe File opened (read-only) \??\T: Jbrja.exe File opened (read-only) \??\H: Jbrja.exe File opened (read-only) \??\N: Jbrja.exe File opened (read-only) \??\Y: Jbrja.exe File opened (read-only) \??\Q: Jbrja.exe File opened (read-only) \??\V: Jbrja.exe File opened (read-only) \??\I: Jbrja.exe File opened (read-only) \??\J: Jbrja.exe File opened (read-only) \??\L: Jbrja.exe File opened (read-only) \??\O: Jbrja.exe File opened (read-only) \??\R: Jbrja.exe File opened (read-only) \??\U: Jbrja.exe File opened (read-only) \??\W: Jbrja.exe File opened (read-only) \??\X: Jbrja.exe File opened (read-only) \??\B: Jbrja.exe File opened (read-only) \??\E: Jbrja.exe File opened (read-only) \??\G: Jbrja.exe File opened (read-only) \??\M: Jbrja.exe -
resource yara_rule behavioral1/memory/588-0-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/588-5-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/588-3-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/588-2-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/320-14-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/320-16-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2556-27-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/320-28-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2556-26-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/588-22-0x0000000010000000-0x00000000101D0000-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 5 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 svhest.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Jbrja.exe 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 Jbrja.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1908 cmd.exe 2944 PING.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 Jbrja.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Jbrja.exe -
Modifies data under HKEY_USERS 6 IoCs
description ioc Process 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 Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum Jbrja.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" Jbrja.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum Jbrja.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2944 PING.EXE -
Suspicious behavior: EnumeratesProcesses 33 IoCs
pid Process 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe 2556 Jbrja.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 588 svhest.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 320 wrote to memory of 2556 320 Jbrja.exe 33 PID 320 wrote to memory of 2556 320 Jbrja.exe 33 PID 320 wrote to memory of 2556 320 Jbrja.exe 33 PID 320 wrote to memory of 2556 320 Jbrja.exe 33 PID 588 wrote to memory of 1908 588 svhest.exe 32 PID 588 wrote to memory of 1908 588 svhest.exe 32 PID 588 wrote to memory of 1908 588 svhest.exe 32 PID 588 wrote to memory of 1908 588 svhest.exe 32 PID 1908 wrote to memory of 2944 1908 cmd.exe 35 PID 1908 wrote to memory of 2944 1908 cmd.exe 35 PID 1908 wrote to memory of 2944 1908 cmd.exe 35 PID 1908 wrote to memory of 2944 1908 cmd.exe 35
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:588 -
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⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1908 -
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:2944
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C:\Program Files\Jbrja.exe"C:\\Program Files\\Jbrja.exe" -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:320 -
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:2556
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
491KB
MD5a40e4a8aaf476b3d9997d05489f87c2a
SHA1dc7f49a217cda95d29d46c0d00afedea7404d7c8
SHA256df60b74ff96bb320d1cf8d1a511c56bae2ca8d94ebb6566eca7b51c3521c0171
SHA512bc31c5fd1c8d5547146ff7d123d9815b92565e0909d32dac71e790cb795c740566d082a166041c62b0b3fa8a21be9f850a894b9a4919563fae9171aea4fde4ca