Analysis
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max time kernel
146s -
max time network
91s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
10-07-2020 12:10
Static task
static1
Behavioral task
behavioral1
Sample
b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe
Resource
win7v200430
General
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Target
b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe
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Size
242KB
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MD5
62231fa0b731bd0aac1c55bd8ed15898
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SHA1
d3dd155f601bb80e417b9b0a6cf294215107af46
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SHA256
b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3
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SHA512
6539e010a88784c5c6c605038b2edb38c06d060543140e08c405025fd4c825f281e78993309a82dabb26148d5ad5eaf5eb0ea87f9fe95a520cd59d9c508c683c
Malware Config
Extracted
azorult
http://195.245.112.115/index.php
Extracted
oski
raymond.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 2 IoCs
Processes:
osaz.exeosaz.exepid Process 1784 osaz.exe 1924 osaz.exe -
Loads dropped DLL 7 IoCs
Processes:
b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exeosaz.exeosaz.exepid Process 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 1784 osaz.exe 1924 osaz.exe 1924 osaz.exe 1924 osaz.exe 1924 osaz.exe 1924 osaz.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:
b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exeosaz.exedescription pid Process procid_target PID 288 set thread context of 520 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 27 PID 1784 set thread context of 1924 1784 osaz.exe 30 -
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:
osaz.exedescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString osaz.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 1640 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 1640 taskkill.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exeosaz.exeosaz.execmd.exedescription pid Process procid_target PID 288 wrote to memory of 1784 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 26 PID 288 wrote to memory of 1784 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 26 PID 288 wrote to memory of 1784 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 26 PID 288 wrote to memory of 1784 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 26 PID 288 wrote to memory of 520 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 27 PID 288 wrote to memory of 520 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 27 PID 288 wrote to memory of 520 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 27 PID 288 wrote to memory of 520 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 27 PID 288 wrote to memory of 520 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 27 PID 288 wrote to memory of 520 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 27 PID 288 wrote to memory of 520 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 27 PID 288 wrote to memory of 520 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 27 PID 288 wrote to memory of 520 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 27 PID 288 wrote to memory of 520 288 b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe 27 PID 1784 wrote to memory of 1924 1784 osaz.exe 30 PID 1784 wrote to memory of 1924 1784 osaz.exe 30 PID 1784 wrote to memory of 1924 1784 osaz.exe 30 PID 1784 wrote to memory of 1924 1784 osaz.exe 30 PID 1784 wrote to memory of 1924 1784 osaz.exe 30 PID 1784 wrote to memory of 1924 1784 osaz.exe 30 PID 1784 wrote to memory of 1924 1784 osaz.exe 30 PID 1784 wrote to memory of 1924 1784 osaz.exe 30 PID 1784 wrote to memory of 1924 1784 osaz.exe 30 PID 1784 wrote to memory of 1924 1784 osaz.exe 30 PID 1924 wrote to memory of 1464 1924 osaz.exe 32 PID 1924 wrote to memory of 1464 1924 osaz.exe 32 PID 1924 wrote to memory of 1464 1924 osaz.exe 32 PID 1924 wrote to memory of 1464 1924 osaz.exe 32 PID 1464 wrote to memory of 1640 1464 cmd.exe 34 PID 1464 wrote to memory of 1640 1464 cmd.exe 34 PID 1464 wrote to memory of 1640 1464 cmd.exe 34 PID 1464 wrote to memory of 1640 1464 cmd.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe"C:\Users\Admin\AppData\Local\Temp\b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:288 -
C:\Users\Admin\AppData\Local\Temp\osaz.exe"C:\Users\Admin\AppData\Local\Temp\osaz.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Users\Admin\AppData\Local\Temp\osaz.exe"{path}"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /pid 1924 & erase C:\Users\Admin\AppData\Local\Temp\osaz.exe & RD /S /Q C:\\ProgramData\\461210471157435\\* & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Windows\SysWOW64\taskkill.exetaskkill /pid 19245⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1640
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C:\Users\Admin\AppData\Local\Temp\b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe"{path}"2⤵PID:520
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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MD5
55a24afe65e5d8459cc31973277d1909
SHA15c045b7d2c2a083ac65927519dd85339c7b58aa5
SHA2568959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e
SHA5125fe45d4de5b113b97e77752b25da0b4e234c78321e51d85c7a9fcea8e295394e1aa2e454c41381107b92d91a4872c86b30a67ca0604fc774459dfce2bb23a9f1
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MD5
55a24afe65e5d8459cc31973277d1909
SHA15c045b7d2c2a083ac65927519dd85339c7b58aa5
SHA2568959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e
SHA5125fe45d4de5b113b97e77752b25da0b4e234c78321e51d85c7a9fcea8e295394e1aa2e454c41381107b92d91a4872c86b30a67ca0604fc774459dfce2bb23a9f1
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MD5
55a24afe65e5d8459cc31973277d1909
SHA15c045b7d2c2a083ac65927519dd85339c7b58aa5
SHA2568959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e
SHA5125fe45d4de5b113b97e77752b25da0b4e234c78321e51d85c7a9fcea8e295394e1aa2e454c41381107b92d91a4872c86b30a67ca0604fc774459dfce2bb23a9f1
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MD5
8f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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MD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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MD5
bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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MD5
e477a96c8f2b18d6b5c27bde49c990bf
SHA1e980c9bf41330d1e5bd04556db4646a0210f7409
SHA25616574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
SHA512335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c
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MD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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MD5
55a24afe65e5d8459cc31973277d1909
SHA15c045b7d2c2a083ac65927519dd85339c7b58aa5
SHA2568959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e
SHA5125fe45d4de5b113b97e77752b25da0b4e234c78321e51d85c7a9fcea8e295394e1aa2e454c41381107b92d91a4872c86b30a67ca0604fc774459dfce2bb23a9f1
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MD5
55a24afe65e5d8459cc31973277d1909
SHA15c045b7d2c2a083ac65927519dd85339c7b58aa5
SHA2568959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e
SHA5125fe45d4de5b113b97e77752b25da0b4e234c78321e51d85c7a9fcea8e295394e1aa2e454c41381107b92d91a4872c86b30a67ca0604fc774459dfce2bb23a9f1