Analysis
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max time kernel
150s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/01/2025, 12:35 UTC
Static task
static1
Behavioral task
behavioral1
Sample
99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe
Resource
win7-20240903-en
General
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Target
99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe
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Size
1.2MB
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MD5
b9900203ea07d684fce8d25eb20b82b6
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SHA1
1bd469299ad133dda4f14e47f6d32df42e969712
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SHA256
99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa
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SHA512
b55d9a8e9f632445332e9ac2f609598cbe47f80b52d2b36f04154d266b11d6221195135beab6bf4042d8a53861dbfb6f7db366a1208c744749854a86005d7cbb
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SSDEEP
24576:/i2Tro2H2HESq2eWJ6MQjySjy9r3VG+DR9P5FUvnGVffrMLC15wvnPdsqQ4+:/xTc2H2tFvduyScrrR56GBILCgvhk
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1264-13-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1264-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1264-42-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2684-50-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2684-54-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2684-55-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 6 IoCs
resource yara_rule behavioral1/memory/1264-13-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1264-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1264-42-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2684-50-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2684-54-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2684-55-0x0000000010000000-0x00000000101B6000-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 -
Executes dropped EXE 5 IoCs
pid Process 1264 RVN.exe 1148 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 2408 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.tmp 2000 TXPlatforn.exe 2684 TXPlatforn.exe -
Loads dropped DLL 6 IoCs
pid Process 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 1148 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 2408 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.tmp 2408 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.tmp 2000 TXPlatforn.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/1264-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1264-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1264-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1264-42-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2684-50-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2684-54-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2684-55-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 7 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 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.tmp 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2676 cmd.exe 2720 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2720 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2684 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1264 RVN.exe Token: SeLoadDriverPrivilege 2684 TXPlatforn.exe Token: 33 2684 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2684 TXPlatforn.exe Token: 33 2684 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2684 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2456 wrote to memory of 1264 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 31 PID 2456 wrote to memory of 1264 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 31 PID 2456 wrote to memory of 1264 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 31 PID 2456 wrote to memory of 1264 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 31 PID 2456 wrote to memory of 1264 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 31 PID 2456 wrote to memory of 1264 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 31 PID 2456 wrote to memory of 1264 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 31 PID 2456 wrote to memory of 1148 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 32 PID 2456 wrote to memory of 1148 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 32 PID 2456 wrote to memory of 1148 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 32 PID 2456 wrote to memory of 1148 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 32 PID 2456 wrote to memory of 1148 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 32 PID 2456 wrote to memory of 1148 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 32 PID 2456 wrote to memory of 1148 2456 99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 32 PID 1148 wrote to memory of 2408 1148 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 33 PID 1148 wrote to memory of 2408 1148 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 33 PID 1148 wrote to memory of 2408 1148 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 33 PID 1148 wrote to memory of 2408 1148 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 33 PID 1148 wrote to memory of 2408 1148 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 33 PID 1148 wrote to memory of 2408 1148 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 33 PID 1148 wrote to memory of 2408 1148 HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe 33 PID 1264 wrote to memory of 2676 1264 RVN.exe 35 PID 1264 wrote to memory of 2676 1264 RVN.exe 35 PID 1264 wrote to memory of 2676 1264 RVN.exe 35 PID 1264 wrote to memory of 2676 1264 RVN.exe 35 PID 2000 wrote to memory of 2684 2000 TXPlatforn.exe 37 PID 2000 wrote to memory of 2684 2000 TXPlatforn.exe 37 PID 2000 wrote to memory of 2684 2000 TXPlatforn.exe 37 PID 2000 wrote to memory of 2684 2000 TXPlatforn.exe 37 PID 2000 wrote to memory of 2684 2000 TXPlatforn.exe 37 PID 2000 wrote to memory of 2684 2000 TXPlatforn.exe 37 PID 2000 wrote to memory of 2684 2000 TXPlatforn.exe 37 PID 2676 wrote to memory of 2720 2676 cmd.exe 38 PID 2676 wrote to memory of 2720 2676 cmd.exe 38 PID 2676 wrote to memory of 2720 2676 cmd.exe 38 PID 2676 wrote to memory of 2720 2676 cmd.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe"C:\Users\Admin\AppData\Local\Temp\99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2456 -
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:1264 -
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:2676 -
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:2720
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C:\Users\Admin\AppData\Local\Temp\HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exeC:\Users\Admin\AppData\Local\Temp\HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Users\Admin\AppData\Local\Temp\is-1JPH7.tmp\HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.tmp"C:\Users\Admin\AppData\Local\Temp\is-1JPH7.tmp\HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.tmp" /SL5="$4010A,379430,54272,C:\Users\Admin\AppData\Local\Temp\HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2408
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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:2000 -
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:2684
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
568KB
MD59228d162b87f8a96855b2a33f8cf88a3
SHA1b9c08e84aaf15a96f0a279972f1bacb756badde3
SHA256b7c23636179ba5a14ceaa53f5307efb3e5c8ff88be1b7a68c84118b7fdb4aabf
SHA5124a41e9e1f4310bb3ea0eab2e9336f01f35713aded8fc74a17a23b57fdb67d1f0030c5b88363768057a9b2370c2d7da5f91489479e3a2ee6a9a1ecc6fc4421fe3
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\Users\Admin\AppData\Local\Temp\HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.exe
Filesize626KB
MD5f07f17326600b802da09c71342cb6d69
SHA1ebcc4d8bcf020c9ea9b8d164e183ccfb947f7856
SHA256a9aaeabb00e991dd40de3415e9ef71b380928e41d35b4bc8dbd5807c41669016
SHA512beb81f069f14f10ba1ac0a494d4bb1056ac1a24592a8b510a99082207d01f827312d7663fc02075850e227b066413d2a82d794e762c58994cf89fe010a95cedb
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4
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\Users\Admin\AppData\Local\Temp\is-1JPH7.tmp\HD_99f749e71bf6cd8dad0c9e1025bd4d7721eeb8eb8456bce14cba53d6145ebdfa.tmp
Filesize696KB
MD58aa8c628f7b7b7f3e96eff00557bd0bf
SHA19af9cf61707cbba7bf0d7cbed94e8db91aff8bd6
SHA25614d4fa3ea6c3fbf6e9d284de717e73a1ebb5e77f3d5c8c98808e40ade359ea9d
SHA5125e0a4765873684fce159af81310e37b6918c923ccede0c4de0bd1e2e221425109131830cff02e3f910f15b0401ee3b4ae68700b6d29a5e8466f6d4ee1dcd6eeb
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3