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Analysis
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max time kernel
150s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
05/07/2023, 05:36
Static task
static1
Behavioral task
behavioral1
Sample
6627c09a3d6988dc4540ccb75fd45947.exe
Resource
win7-20230703-en
General
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Target
6627c09a3d6988dc4540ccb75fd45947.exe
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Size
205KB
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MD5
6627c09a3d6988dc4540ccb75fd45947
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SHA1
9567b0c5cfdd62851811b1e17cf33df9b1fe751d
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SHA256
80704af0d47ef04775cd787dc8d5c6973ac75408aac1e87fa0cfa5ee5e2d0b90
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SHA512
0c307320084dd9b905f8e0302eb21e362c1960ba0d4266d6711f7560e45821f75f8a2296df90a689cc7e220c8714d0e266c81b946d52a043480579bc3df74d9b
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SSDEEP
3072:IZJ6kNLk5QXovXZBeOnzb/cHzgDJfC7LySgzjmg3Jr1aKVT:IBNLsjvpgfHzgpC7mSijmapaKVT
Malware Config
Extracted
stealc
http://45.15.159.188/f2cb651e3e755a0f.php
Signatures
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Detects Stealc stealer 2 IoCs
resource yara_rule behavioral2/memory/1200-134-0x0000000002360000-0x0000000002376000-memory.dmp family_stealc behavioral2/memory/1200-255-0x0000000000400000-0x0000000000629000-memory.dmp family_stealc -
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-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation 6627c09a3d6988dc4540ccb75fd45947.exe -
Executes dropped EXE 1 IoCs
pid Process 2032 HIJJDGDHDG.exe -
Loads dropped DLL 2 IoCs
pid Process 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.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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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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2032 set thread context of 1756 2032 HIJJDGDHDG.exe 86 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 4172 1200 WerFault.exe 79 1704 2032 WerFault.exe 84 -
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 6627c09a3d6988dc4540ccb75fd45947.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 6627c09a3d6988dc4540ccb75fd45947.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe 1200 6627c09a3d6988dc4540ccb75fd45947.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1200 wrote to memory of 3996 1200 6627c09a3d6988dc4540ccb75fd45947.exe 80 PID 1200 wrote to memory of 3996 1200 6627c09a3d6988dc4540ccb75fd45947.exe 80 PID 1200 wrote to memory of 3996 1200 6627c09a3d6988dc4540ccb75fd45947.exe 80 PID 3996 wrote to memory of 2032 3996 cmd.exe 84 PID 3996 wrote to memory of 2032 3996 cmd.exe 84 PID 3996 wrote to memory of 2032 3996 cmd.exe 84 PID 2032 wrote to memory of 1756 2032 HIJJDGDHDG.exe 86 PID 2032 wrote to memory of 1756 2032 HIJJDGDHDG.exe 86 PID 2032 wrote to memory of 1756 2032 HIJJDGDHDG.exe 86 PID 2032 wrote to memory of 1756 2032 HIJJDGDHDG.exe 86 PID 2032 wrote to memory of 1756 2032 HIJJDGDHDG.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\6627c09a3d6988dc4540ccb75fd45947.exe"C:\Users\Admin\AppData\Local\Temp\6627c09a3d6988dc4540ccb75fd45947.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HIJJDGDHDG.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3996 -
C:\Users\Admin\AppData\Local\Temp\HIJJDGDHDG.exe"C:\Users\Admin\AppData\Local\Temp\HIJJDGDHDG.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"4⤵PID:1756
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 3604⤵
- Program crash
PID:1704
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 26122⤵
- Program crash
PID:4172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1200 -ip 12001⤵PID:536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2032 -ip 20321⤵PID:4164
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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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
4.5MB
MD5bd60dc5b185cd30c2f8318b46ec0214e
SHA1bc1455bc54572efd5f0e1bf9976ad46b38bd76db
SHA2560be5db22e71c2983af529792c6b496ac4057b331902759e08aac8de8e5fbb8df
SHA512440a16c8dabb390a15a7b38781a70d1164b569b448b0702b2ad3747deefbe5dbe9d9398f9bc125a9859fe7e5aea06fb40b0a694d4224e0d650cee2c336115b34
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Filesize
4.5MB
MD5bd60dc5b185cd30c2f8318b46ec0214e
SHA1bc1455bc54572efd5f0e1bf9976ad46b38bd76db
SHA2560be5db22e71c2983af529792c6b496ac4057b331902759e08aac8de8e5fbb8df
SHA512440a16c8dabb390a15a7b38781a70d1164b569b448b0702b2ad3747deefbe5dbe9d9398f9bc125a9859fe7e5aea06fb40b0a694d4224e0d650cee2c336115b34