Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
29/03/2023, 16:26
Static task
static1
Behavioral task
behavioral1
Sample
9735a5a6882e9fe7578d745f8a693b50.exe
Resource
win7-20230220-en
General
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Target
9735a5a6882e9fe7578d745f8a693b50.exe
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Size
1.3MB
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MD5
9735a5a6882e9fe7578d745f8a693b50
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SHA1
2cb86a0a4cafc825bf413f057ce067da7f802f74
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SHA256
f49d931295e2da64727db9d3d867051232d54f0b2aad5c2cee896b40aa0e86fe
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SHA512
7b6ded7b2dd74f399006223f523c294a546f11af9c00b5958ce6ed6734c916688ea8a59d6e961e40a65b633859b74e9f7635e100f72c0004830704d4e8a1b01b
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SSDEEP
24576:29Cv53II5kebo7w0AshMGqOI0LslSIpO4u6+/3:2EII5Vo7w3shHoSk+v
Malware Config
Extracted
stealc
http://5.75.155.1/d522566a552de05d.php
Extracted
laplas
http://51.195.166.203
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api_key
b6fe9b83a8d3b268f74c16f34b6930cd2d2a47117a90beb53ffd773d00945a9e
Signatures
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Detects Stealc stealer 2 IoCs
resource yara_rule behavioral2/memory/4644-136-0x0000000029350000-0x0000000029578000-memory.dmp family_stealc behavioral2/memory/4644-226-0x0000000029350000-0x0000000029578000-memory.dmp family_stealc -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation 9735a5a6882e9fe7578d745f8a693b50.exe Key value queried \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation GHDHJEBFBF.exe -
Executes dropped EXE 2 IoCs
pid Process 4320 GHDHJEBFBF.exe 4816 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 4644 9735a5a6882e9fe7578d745f8a693b50.exe 4644 9735a5a6882e9fe7578d745f8a693b50.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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" GHDHJEBFBF.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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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 9735a5a6882e9fe7578d745f8a693b50.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 9735a5a6882e9fe7578d745f8a693b50.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4644 9735a5a6882e9fe7578d745f8a693b50.exe 4644 9735a5a6882e9fe7578d745f8a693b50.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4644 wrote to memory of 2960 4644 9735a5a6882e9fe7578d745f8a693b50.exe 87 PID 4644 wrote to memory of 2960 4644 9735a5a6882e9fe7578d745f8a693b50.exe 87 PID 4644 wrote to memory of 2960 4644 9735a5a6882e9fe7578d745f8a693b50.exe 87 PID 2960 wrote to memory of 4320 2960 cmd.exe 89 PID 2960 wrote to memory of 4320 2960 cmd.exe 89 PID 2960 wrote to memory of 4320 2960 cmd.exe 89 PID 4320 wrote to memory of 4816 4320 GHDHJEBFBF.exe 93 PID 4320 wrote to memory of 4816 4320 GHDHJEBFBF.exe 93 PID 4320 wrote to memory of 4816 4320 GHDHJEBFBF.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\9735a5a6882e9fe7578d745f8a693b50.exe"C:\Users\Admin\AppData\Local\Temp\9735a5a6882e9fe7578d745f8a693b50.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GHDHJEBFBF.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2960 -
C:\Users\Admin\AppData\Local\Temp\GHDHJEBFBF.exe"C:\Users\Admin\AppData\Local\Temp\GHDHJEBFBF.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4320 -
C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"4⤵
- Executes dropped EXE
PID:4816
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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
3.3MB
MD5f00d6cb32f2c13da8b8f920c8ea33af7
SHA13c98141b93f6f44eceb0abef293bfd288f8d8db5
SHA256bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1
SHA512391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b
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Filesize
3.3MB
MD5f00d6cb32f2c13da8b8f920c8ea33af7
SHA13c98141b93f6f44eceb0abef293bfd288f8d8db5
SHA256bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1
SHA512391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b
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Filesize
561.8MB
MD51907c0c7f5039ef661b0764631df3022
SHA18562e3dcad75411d5ee707f827b135f36b724814
SHA2566d2a1aa9e9a91ec3b1c0c6b4084714304b82561c12f4862657088e2fbcd5a429
SHA512763a85f5283ff3271a4ac5874b11fd12d409e3e8d3fa932edeb8364644fe4b39e91617f8313adb39c1425c4d288cfe21e95e72ebfbf7141ffc988d4fd13b8009
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Filesize
596.7MB
MD554c11c1d76189e1a652535213dc6e591
SHA17333fe5d06dadd0d75ba29da106c7456925326b0
SHA2568d4a84332777ea19012532d9ab01462b2694c91fe0ae02d18eddd71b0151646d
SHA51251f1ca4bb8f2900fc2cd4014b7bb281b60bd5962245a745d94721fddc0430c27881e0f37d1b868600d526fbf3291e4b0b80f6304c7e72a529efe5c9979477ee9
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Filesize
528.0MB
MD55ea61b807b1304c9ee2eb5840ddc77a7
SHA1acbf95e7f7aea15fbe25255bd6842493db2c8cb5
SHA25688124368336ecd336b400e98a5a60aca0d3d20d57348deb9b326ccd91f86b938
SHA512c9553b978b7444cf27a25dac2e48780bf1b7ab668aa79651c566a9cba617d344f0513963d9dae6c07a690cd947fd53d50e36851ffb32272d1d584911ecd590f1