Analysis
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max time kernel
118s -
max time network
104s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 08:26
Static task
static1
Behavioral task
behavioral1
Sample
a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe
Resource
win10v2004-20220812-en
General
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Target
a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe
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Size
6.6MB
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MD5
a158b1346f9107d6ab9d1b63167d7728
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SHA1
33533949151b2a078ed9631f4764d34cd2d4966a
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SHA256
a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb
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SHA512
d3e1c7b4e8a9a6e4a5914878ed9697cfe42827534a0b8dedbd60d12c7ffa55448b1ee0a57d84b8a3fc4065466ffcae29c6647944d7b240e595202d7cac688317
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SSDEEP
196608:AArTDCWdaRcHuytAGlf5faTjv+ANi1zwXAk:AArTDV4RHuAGGTjvmNwwk
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1756 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe -
Loads dropped DLL 2 IoCs
pid Process 1632 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe 1756 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1756 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1756 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1756 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1756 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe 1756 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1632 wrote to memory of 1756 1632 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe 27 PID 1632 wrote to memory of 1756 1632 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe 27 PID 1632 wrote to memory of 1756 1632 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe 27 PID 1632 wrote to memory of 1756 1632 a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe"C:\Users\Admin\AppData\Local\Temp\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Users\Admin\AppData\Local\Temp\1bn510fc.wz2\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe"C:\Users\Admin\AppData\Local\Temp\1bn510fc.wz2\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1756
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\1bn510fc.wz2\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe
Filesize6.5MB
MD57cebfc77c14cdec8b6a1701739b11cd3
SHA1ad9145e77efb833e493d9894152d5f05a7d08636
SHA2563f74e3de48b7d500697a08cd823520fb998c9a9a21fc1a4c9de45d5181ba5be1
SHA5128af74deefeeeffe64606b5ea2a70af3a2bf6eb8481c620029db7447fca1d5a9bebb8dbcbe70ff038d50cf642541ef7a6632f7816bf958405df73755543d0c210
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C:\Users\Admin\AppData\Local\Temp\1bn510fc.wz2\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe
Filesize6.5MB
MD57cebfc77c14cdec8b6a1701739b11cd3
SHA1ad9145e77efb833e493d9894152d5f05a7d08636
SHA2563f74e3de48b7d500697a08cd823520fb998c9a9a21fc1a4c9de45d5181ba5be1
SHA5128af74deefeeeffe64606b5ea2a70af3a2bf6eb8481c620029db7447fca1d5a9bebb8dbcbe70ff038d50cf642541ef7a6632f7816bf958405df73755543d0c210
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Filesize
893KB
MD504ad4b80880b32c94be8d0886482c774
SHA1344faf61c3eb76f4a2fb6452e83ed16c9cce73e0
SHA256a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338
SHA5123e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb
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\Users\Admin\AppData\Local\Temp\1bn510fc.wz2\a797674221b307ac50730781149e7cf8c09e582f8a4bbe7f6dbefa0a889bdafb.exe
Filesize6.5MB
MD57cebfc77c14cdec8b6a1701739b11cd3
SHA1ad9145e77efb833e493d9894152d5f05a7d08636
SHA2563f74e3de48b7d500697a08cd823520fb998c9a9a21fc1a4c9de45d5181ba5be1
SHA5128af74deefeeeffe64606b5ea2a70af3a2bf6eb8481c620029db7447fca1d5a9bebb8dbcbe70ff038d50cf642541ef7a6632f7816bf958405df73755543d0c210