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Analysis
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max time kernel
142s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
08/02/2025, 12:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.exe
Resource
win7-20241010-en
windows7-x64
20 signatures
150 seconds
General
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Target
738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.exe
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Size
491KB
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MD5
fd116ee7e4c7a593392090734c43602f
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SHA1
62c3c60d70b615d23af5323ca440ea0bd0e49007
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SHA256
738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b
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SHA512
d9d2e40351ed4f8b320307c47c201a8058f67fc712d2c58aab2b81f1bdfe03012f10bafd3e0b7999e76589461fc274cbfea31fa6782ceb3acf4fec9797a7fe5d
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SSDEEP
6144:GpoMkequERu8qQ1fjYMMW9eKZH+IdISTUL24qL9cPKcPzR2R/6lZv:oDR+u8pfjYMMWNvdhUSByFPzFv
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2076-3-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2076-2-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2076-5-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/740-14-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/3016-25-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/3016-24-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/3016-26-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/3016-23-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/740-20-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/2076-16-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit behavioral1/memory/3016-30-0x0000000010000000-0x00000000101D0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral1/memory/2076-3-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2076-2-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2076-5-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/740-14-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/3016-25-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/3016-24-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/3016-26-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/3016-23-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/740-20-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/2076-16-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat behavioral1/memory/3016-30-0x0000000010000000-0x00000000101D0000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Deletes itself 1 IoCs
pid Process 2888 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 740 Dtcsa.exe 3016 Dtcsa.exe -
Loads dropped DLL 1 IoCs
pid Process 740 Dtcsa.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) \??\E: Dtcsa.exe File opened (read-only) \??\I: Dtcsa.exe File opened (read-only) \??\T: Dtcsa.exe File opened (read-only) \??\U: Dtcsa.exe File opened (read-only) \??\X: Dtcsa.exe File opened (read-only) \??\V: Dtcsa.exe File opened (read-only) \??\B: Dtcsa.exe File opened (read-only) \??\J: Dtcsa.exe File opened (read-only) \??\L: Dtcsa.exe File opened (read-only) \??\M: Dtcsa.exe File opened (read-only) \??\N: Dtcsa.exe File opened (read-only) \??\R: Dtcsa.exe File opened (read-only) \??\G: Dtcsa.exe File opened (read-only) \??\Q: Dtcsa.exe File opened (read-only) \??\W: Dtcsa.exe File opened (read-only) \??\Z: Dtcsa.exe File opened (read-only) \??\H: Dtcsa.exe File opened (read-only) \??\K: Dtcsa.exe File opened (read-only) \??\O: Dtcsa.exe File opened (read-only) \??\P: Dtcsa.exe File opened (read-only) \??\S: Dtcsa.exe File opened (read-only) \??\Y: Dtcsa.exe -
resource yara_rule behavioral1/memory/2076-3-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2076-2-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2076-0-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2076-5-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/740-14-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/3016-25-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/3016-24-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/3016-26-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/3016-23-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/3016-21-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/740-20-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/2076-16-0x0000000010000000-0x00000000101D0000-memory.dmp upx behavioral1/memory/3016-30-0x0000000010000000-0x00000000101D0000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Dtcsa.exe 738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.exe File opened for modification C:\Program Files\Dtcsa.exe 738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.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 738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Dtcsa.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 Dtcsa.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2888 cmd.exe 3064 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 Dtcsa.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Dtcsa.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum Dtcsa.exe Key created \REGISTRY\USER\.DEFAULT\Software Dtcsa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft Dtcsa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie Dtcsa.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" Dtcsa.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3064 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe 3016 Dtcsa.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2076 738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2076 wrote to memory of 2888 2076 738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.exe 31 PID 2076 wrote to memory of 2888 2076 738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.exe 31 PID 2076 wrote to memory of 2888 2076 738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.exe 31 PID 2076 wrote to memory of 2888 2076 738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.exe 31 PID 740 wrote to memory of 3016 740 Dtcsa.exe 33 PID 740 wrote to memory of 3016 740 Dtcsa.exe 33 PID 740 wrote to memory of 3016 740 Dtcsa.exe 33 PID 740 wrote to memory of 3016 740 Dtcsa.exe 33 PID 2888 wrote to memory of 3064 2888 cmd.exe 34 PID 2888 wrote to memory of 3064 2888 cmd.exe 34 PID 2888 wrote to memory of 3064 2888 cmd.exe 34 PID 2888 wrote to memory of 3064 2888 cmd.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.exe"C:\Users\Admin\AppData\Local\Temp\738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076 -
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\738C9B~1.EXE > nul2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2888 -
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:3064
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C:\Program Files\Dtcsa.exe"C:\\Program Files\\Dtcsa.exe" -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:740 -
C:\Program Files\Dtcsa.exe"C:\Program Files\Dtcsa.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:3016
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
491KB
MD5fd116ee7e4c7a593392090734c43602f
SHA162c3c60d70b615d23af5323ca440ea0bd0e49007
SHA256738c9b02a99069619317466392e8b7a07c617c0b6a3e1ee89f410156d71ff59b
SHA512d9d2e40351ed4f8b320307c47c201a8058f67fc712d2c58aab2b81f1bdfe03012f10bafd3e0b7999e76589461fc274cbfea31fa6782ceb3acf4fec9797a7fe5d