Analysis
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max time kernel
98s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
12-11-2020 00:01
Static task
static1
Behavioral task
behavioral1
Sample
34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe
Resource
win7v20201028
General
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Target
34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe
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Size
667KB
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MD5
a7bb277ebea155081e10479495249ad7
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SHA1
47b8964f0904bd37997d8d8580fcf08fc76b98d1
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SHA256
34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb
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SHA512
c53f9f3e654b963cf61c2112f4470809c582994235eb16ffd4f2edf7b68f16b3ee65622b0dfae2aed8e4f0859b320d48ac5e7a5268b0f3b51dc97197e8b96701
Malware Config
Extracted
azorult
http://195.245.112.115/index.php
Extracted
oski
morasergiov.ac.ug
Signatures
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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Oski
Oski is an infostealer targeting browser data, crypto wallets.
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Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
oscjgfhwvvas.exeoscjgfhwvvas.exeoscjgfhwvvas.exepid process 2200 oscjgfhwvvas.exe 3940 oscjgfhwvvas.exe 3920 oscjgfhwvvas.exe -
Loads dropped DLL 3 IoCs
Processes:
oscjgfhwvvas.exepid process 3920 oscjgfhwvvas.exe 3920 oscjgfhwvvas.exe 3920 oscjgfhwvvas.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 2 IoCs
Processes:
34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exeoscjgfhwvvas.exedescription pid process target process PID 500 set thread context of 496 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe PID 2200 set thread context of 3920 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe -
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 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
oscjgfhwvvas.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString oscjgfhwvvas.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 1836 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
oscjgfhwvvas.exepid process 2200 oscjgfhwvvas.exe 2200 oscjgfhwvvas.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exeoscjgfhwvvas.exetaskkill.exedescription pid process Token: SeDebugPrivilege 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe Token: SeDebugPrivilege 2200 oscjgfhwvvas.exe Token: SeDebugPrivilege 1836 taskkill.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exeoscjgfhwvvas.exeoscjgfhwvvas.execmd.exedescription pid process target process PID 500 wrote to memory of 2200 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe oscjgfhwvvas.exe PID 500 wrote to memory of 2200 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe oscjgfhwvvas.exe PID 500 wrote to memory of 2200 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe oscjgfhwvvas.exe PID 500 wrote to memory of 496 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe PID 500 wrote to memory of 496 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe PID 500 wrote to memory of 496 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe PID 500 wrote to memory of 496 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe PID 500 wrote to memory of 496 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe PID 500 wrote to memory of 496 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe PID 500 wrote to memory of 496 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe PID 500 wrote to memory of 496 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe PID 500 wrote to memory of 496 500 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe 34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe PID 2200 wrote to memory of 3940 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 2200 wrote to memory of 3940 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 2200 wrote to memory of 3940 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 2200 wrote to memory of 3920 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 2200 wrote to memory of 3920 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 2200 wrote to memory of 3920 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 2200 wrote to memory of 3920 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 2200 wrote to memory of 3920 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 2200 wrote to memory of 3920 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 2200 wrote to memory of 3920 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 2200 wrote to memory of 3920 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 2200 wrote to memory of 3920 2200 oscjgfhwvvas.exe oscjgfhwvvas.exe PID 3920 wrote to memory of 3460 3920 oscjgfhwvvas.exe cmd.exe PID 3920 wrote to memory of 3460 3920 oscjgfhwvvas.exe cmd.exe PID 3920 wrote to memory of 3460 3920 oscjgfhwvvas.exe cmd.exe PID 3460 wrote to memory of 1836 3460 cmd.exe taskkill.exe PID 3460 wrote to memory of 1836 3460 cmd.exe taskkill.exe PID 3460 wrote to memory of 1836 3460 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe"C:\Users\Admin\AppData\Local\Temp\34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:500 -
C:\Users\Admin\AppData\Local\Temp\oscjgfhwvvas.exe"C:\Users\Admin\AppData\Local\Temp\oscjgfhwvvas.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Users\Admin\AppData\Local\Temp\oscjgfhwvvas.exe"{path}"3⤵
- Executes dropped EXE
PID:3940
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C:\Users\Admin\AppData\Local\Temp\oscjgfhwvvas.exe"{path}"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /pid 3920 & erase C:\Users\Admin\AppData\Local\Temp\oscjgfhwvvas.exe & RD /S /Q C:\\ProgramData\\734014943863516\\* & exit4⤵
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\SysWOW64\taskkill.exetaskkill /pid 39205⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1836
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C:\Users\Admin\AppData\Local\Temp\34a27a9beb4f68668a75967b9ea609dd2a958b29c66b70e0bd8e69bc5456fedb.exe"{path}"2⤵PID:496
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
9c4dae36c101af2a1bf1b1de16ee5868
SHA1bcfc8812e4e9457366c8930309875aae3c1c7a73
SHA256170d07557b53788f7718957661880e48e7e8aa711d417ef722ef1da67beb9e58
SHA512c2b03abf2ebcc8d7a3b6815594b7bcbf46adb5843c3dc7a96753df616343b3c8fcbe156ccc892e061d4ea86c95199a58c27490e53b5eaff26fc606f77f8c5bca
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MD5
9c4dae36c101af2a1bf1b1de16ee5868
SHA1bcfc8812e4e9457366c8930309875aae3c1c7a73
SHA256170d07557b53788f7718957661880e48e7e8aa711d417ef722ef1da67beb9e58
SHA512c2b03abf2ebcc8d7a3b6815594b7bcbf46adb5843c3dc7a96753df616343b3c8fcbe156ccc892e061d4ea86c95199a58c27490e53b5eaff26fc606f77f8c5bca
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MD5
9c4dae36c101af2a1bf1b1de16ee5868
SHA1bcfc8812e4e9457366c8930309875aae3c1c7a73
SHA256170d07557b53788f7718957661880e48e7e8aa711d417ef722ef1da67beb9e58
SHA512c2b03abf2ebcc8d7a3b6815594b7bcbf46adb5843c3dc7a96753df616343b3c8fcbe156ccc892e061d4ea86c95199a58c27490e53b5eaff26fc606f77f8c5bca
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MD5
9c4dae36c101af2a1bf1b1de16ee5868
SHA1bcfc8812e4e9457366c8930309875aae3c1c7a73
SHA256170d07557b53788f7718957661880e48e7e8aa711d417ef722ef1da67beb9e58
SHA512c2b03abf2ebcc8d7a3b6815594b7bcbf46adb5843c3dc7a96753df616343b3c8fcbe156ccc892e061d4ea86c95199a58c27490e53b5eaff26fc606f77f8c5bca
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MD5
8f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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MD5
bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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MD5
e477a96c8f2b18d6b5c27bde49c990bf
SHA1e980c9bf41330d1e5bd04556db4646a0210f7409
SHA25616574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
SHA512335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c