Analysis
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max time kernel
148s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
18-03-2023 04:52
Static task
static1
Behavioral task
behavioral1
Sample
zhiga.exe
Resource
win7-20230220-en
General
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Target
zhiga.exe
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Size
296KB
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MD5
0bdd1650cdca85862e2aac7a644e72f3
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SHA1
a834be9c78a2cde3013440411b970551b181cc87
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SHA256
a0e69f08c2fa6024b971272ca58b242e2f315c6a02dc021f985a1ec296b4ca66
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SHA512
c014db2ff3ac4d5f58847e0318ad407c300df69c4273539187e952e34dd70f9706eeb52dbadba8919dabe738c8a239b09c85a910985ad88eef69b9290bfb5720
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SSDEEP
3072:SK/jgHLAaGdaDsI4SQ19KupQhKH4xSaUeNeNMX58TztNrS94Enu:zgHLATdaDsI4/XReUeNeNtfrKHnu
Malware Config
Extracted
laplas
http://45.87.154.105
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api_key
1c630872d348a77d04368d542fde4663bc2bcb96f1b909554db3472c08df2767
Signatures
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation zhiga.exe -
Executes dropped EXE 2 IoCs
pid Process 3368 FHCAEGCBFH.exe 4424 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 1500 zhiga.exe 1500 zhiga.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" FHCAEGCBFH.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 2768 1500 WerFault.exe 85 -
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 zhiga.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString zhiga.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4248 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 42 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1500 zhiga.exe 1500 zhiga.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1500 wrote to memory of 760 1500 zhiga.exe 87 PID 1500 wrote to memory of 760 1500 zhiga.exe 87 PID 1500 wrote to memory of 760 1500 zhiga.exe 87 PID 1500 wrote to memory of 1456 1500 zhiga.exe 89 PID 1500 wrote to memory of 1456 1500 zhiga.exe 89 PID 1500 wrote to memory of 1456 1500 zhiga.exe 89 PID 1456 wrote to memory of 4248 1456 cmd.exe 92 PID 1456 wrote to memory of 4248 1456 cmd.exe 92 PID 1456 wrote to memory of 4248 1456 cmd.exe 92 PID 760 wrote to memory of 3368 760 cmd.exe 93 PID 760 wrote to memory of 3368 760 cmd.exe 93 PID 760 wrote to memory of 3368 760 cmd.exe 93 PID 3368 wrote to memory of 4424 3368 FHCAEGCBFH.exe 98 PID 3368 wrote to memory of 4424 3368 FHCAEGCBFH.exe 98 PID 3368 wrote to memory of 4424 3368 FHCAEGCBFH.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\zhiga.exe"C:\Users\Admin\AppData\Local\Temp\zhiga.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FHCAEGCBFH.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:760 -
C:\Users\Admin\AppData\Local\Temp\FHCAEGCBFH.exe"C:\Users\Admin\AppData\Local\Temp\FHCAEGCBFH.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe4⤵
- Executes dropped EXE
PID:4424
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\zhiga.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:4248
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 21402⤵
- Program crash
PID:2768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1500 -ip 15001⤵PID:4904
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
1.9MB
MD53c491cde84daac60101335966f900fbd
SHA1864776f60349bd90f2ae409286d3401e4ec9b63c
SHA256f82abb756b52669b2dc6911e2d84189018887416fbcf090f8ce32dc7c55a6fb7
SHA51272f8c94c990bc04f9e48b7124c44b16b617eb02d0fbc11875fe62d01e8da336f4f11e93ca1bae9918a01767174a7232eabed2132c8124ef807ffed964de42f1e
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Filesize
1.9MB
MD53c491cde84daac60101335966f900fbd
SHA1864776f60349bd90f2ae409286d3401e4ec9b63c
SHA256f82abb756b52669b2dc6911e2d84189018887416fbcf090f8ce32dc7c55a6fb7
SHA51272f8c94c990bc04f9e48b7124c44b16b617eb02d0fbc11875fe62d01e8da336f4f11e93ca1bae9918a01767174a7232eabed2132c8124ef807ffed964de42f1e
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Filesize
351.6MB
MD55ff43c7dd33781e842d4be8480e28023
SHA1a50993196d9a69c0bddf845755136f484c6ac3ef
SHA256bd57383dd99179fbc7593fbdc9f18ff0d73d97eea8ff434088c5f48031bb3c56
SHA5128f747ce1ae7fabc8ff003989cc1b008d03c7a44ca99ee1056144cedca45f41eacb036ff19755cf8c6d923d1c7b93bfcba4fe7c6634d0e24eed0b3b5eed654a40
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Filesize
343.2MB
MD55d2f4821a38084d50da55c7285a5abf5
SHA1a498b58567131471dd6373644dce6768cb85c364
SHA2562dcdff71e116244dec07666e4e6c9c49e654f7c0ac536f3a22721d9f6077a51e
SHA512a278486463b85866f3c84b2404e1257f8e93bc3dfbb2db94b54f519b6a0f710aa2a420835eb59218ecfaa68e8413ade5ed59da16defc1bcb7ee90edda4407ddf
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Filesize
303.0MB
MD5c65c8adc5d83c290a8ffbe78cd949aa2
SHA1a2bc8a1e7560bf19455091401d7394217f4bcffc
SHA25672c824a1e0faaa7d2ff8437f4d01a6efec0915f8a8297ddc29cafb6f4a1cd786
SHA512415fcbdc66e820985c5eb7068a6324b37f52567d1a04615d85141640e3669a830311cbf0a3462e3c65febe84266c181fc66814fb98c5b06cb532520f9c5159fb