Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26-05-2024 06:25
Static task
static1
Behavioral task
behavioral1
Sample
b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe
Resource
win7-20240221-en
General
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Target
b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe
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Size
1.9MB
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MD5
c9c5c8da4fbd01356a8e7ed5a69edeae
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SHA1
cbe359aab01330eb801088f93f770de4f44a3db0
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SHA256
b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36
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SHA512
aa7c54f2844f69d1e0e4f367740b00ec43696fef1e12425b4cd7f05cc0a4c13c775b71fa831973df35d53782086087f9a6f6b953e1563daeef1c8724a142ade8
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SSDEEP
49152:t09XJt4HIN2H2tFvduySEpekZPItx2apeapelI:OZJt4HINy2LkhFtUvlI
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/640-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/640-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2228-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/640-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2228-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2568-36-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2568-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2568-39-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2568-72-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 10 IoCs
Processes:
resource yara_rule behavioral1/memory/640-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/640-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/640-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2228-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/640-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2228-31-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2568-36-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2568-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2568-39-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2568-72-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
Processes:
TXPlatforn.exedescription ioc process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
TXPlatforn.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatforn.exe -
Executes dropped EXE 4 IoCs
Processes:
RVN.exeTXPlatforn.exeTXPlatforn.exeHD_b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exepid process 640 RVN.exe 2228 TXPlatforn.exe 2568 TXPlatforn.exe 2520 HD_b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe -
Loads dropped DLL 3 IoCs
Processes:
b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exeTXPlatforn.exepid process 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe 2228 TXPlatforn.exe -
Processes:
resource yara_rule behavioral1/memory/640-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/640-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/640-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/640-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2228-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/640-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2228-31-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2568-36-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2568-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2568-39-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2568-72-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
Processes:
RVN.exedescription ioc process File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
Drops file in Program Files directory 4 IoCs
Processes:
b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exedescription ioc process File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exepid process 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatforn.exepid process 2568 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
RVN.exeTXPlatforn.exedescription pid process Token: SeIncBasePriorityPrivilege 640 RVN.exe Token: SeLoadDriverPrivilege 2568 TXPlatforn.exe Token: 33 2568 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2568 TXPlatforn.exe Token: 33 2568 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2568 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exepid process 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exeRVN.exeTXPlatforn.execmd.exedescription pid process target process PID 1928 wrote to memory of 640 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe RVN.exe PID 1928 wrote to memory of 640 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe RVN.exe PID 1928 wrote to memory of 640 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe RVN.exe PID 1928 wrote to memory of 640 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe RVN.exe PID 1928 wrote to memory of 640 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe RVN.exe PID 1928 wrote to memory of 640 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe RVN.exe PID 1928 wrote to memory of 640 1928 b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe RVN.exe PID 640 wrote to memory of 1804 640 RVN.exe cmd.exe PID 640 wrote to memory of 1804 640 RVN.exe cmd.exe PID 640 wrote to memory of 1804 640 RVN.exe cmd.exe PID 640 wrote to memory of 1804 640 RVN.exe cmd.exe PID 2228 wrote to memory of 2568 2228 TXPlatforn.exe TXPlatforn.exe PID 2228 wrote to memory of 2568 2228 TXPlatforn.exe TXPlatforn.exe PID 2228 wrote to memory of 2568 2228 TXPlatforn.exe TXPlatforn.exe PID 2228 wrote to memory of 2568 2228 TXPlatforn.exe TXPlatforn.exe PID 2228 wrote to memory of 2568 2228 TXPlatforn.exe TXPlatforn.exe PID 2228 wrote to memory of 2568 2228 TXPlatforn.exe TXPlatforn.exe PID 2228 wrote to memory of 2568 2228 TXPlatforn.exe TXPlatforn.exe PID 1804 wrote to memory of 2596 1804 cmd.exe PING.EXE PID 1804 wrote to memory of 2596 1804 cmd.exe PING.EXE PID 1804 wrote to memory of 2596 1804 cmd.exe PING.EXE PID 1804 wrote to memory of 2596 1804 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe"C:\Users\Admin\AppData\Local\Temp\b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Users\Admin\AppData\Local\Temp\RVN.exeC:\Users\Admin\AppData\Local\Temp\\RVN.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:640 -
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⤵
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
PID:2596
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C:\Users\Admin\AppData\Local\Temp\HD_b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exeC:\Users\Admin\AppData\Local\Temp\HD_b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe2⤵
- Executes dropped EXE
PID:2520
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2228 -
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:2568
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD5e791224dc6112f965f02413256f0ee16
SHA1ddba98ea94a03ed17324e6db19ed4b1a96ccd177
SHA25617f1e7f7023909580ae1fd39232500d59117ddd5de7cbd6013a0446f84b634b3
SHA51220c05a03d873817ae1ddcf80ec742425108061d2706c0b42f9c76e8583075f642e578490227088da741bf12044e3d7126f1ffac6e174bd7a5e1c6412c6f90998
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\Users\Admin\AppData\Local\Temp\HD_b343d5203359a81d6f9041aafa1b0888848711579217bc9e779c9ba903f23d36.exe
Filesize645KB
MD500eae789b0aab1b0fbd23b830fbf1064
SHA1e4e5fd089f6ae17c83f073cf91edc9db8189980d
SHA2567addb2269266ac471a690802cab54539b40c2ae5b31e2120fdcf8dfb0ed15dc7
SHA51223a0e06b39f8b5a932ae5b8f60704ba265332b341ac8bab5b74b2f31f04ce8c7fe6f77278d70c7685cfa894ab0e25a70d89990f5f643b54c07337f90fa5943fb
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4