Analysis
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max time kernel
70s -
max time network
131s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
22-04-2021 09:03
Static task
static1
Behavioral task
behavioral1
Sample
G019 & G022 SPEC SHEET.exe
Resource
win7v20210410
General
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Target
G019 & G022 SPEC SHEET.exe
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Size
245KB
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MD5
c91aa9b71b9c9e496f38e13de6b56211
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SHA1
8d405cb844a222c632009435cbf7ab3aa82e09d5
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SHA256
f03142ed5b5aa4e86483adfb17f5983ae83a61bc20d074d9aa84713ba4779ca4
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SHA512
3725e35661e71b01ea5da974c6358754ae7d4d84e608e7ce541182da65d6d1aed2c8d7dc91970a2e9ef89f8505037721ddf858dc9233192ec3317b5ab8c70f7b
Malware Config
Extracted
oski
45.144.225.118
Extracted
azorult
http://lexusbiscuit.com/OiuBn/index.php
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:
449945941880.exe449945941880.exepid process 2804 449945941880.exe 772 449945941880.exe -
Loads dropped DLL 11 IoCs
Processes:
G019 & G022 SPEC SHEET.exeG019 & G022 SPEC SHEET.exe449945941880.exe449945941880.exepid process 400 G019 & G022 SPEC SHEET.exe 3572 G019 & G022 SPEC SHEET.exe 3572 G019 & G022 SPEC SHEET.exe 3572 G019 & G022 SPEC SHEET.exe 2804 449945941880.exe 772 449945941880.exe 772 449945941880.exe 772 449945941880.exe 772 449945941880.exe 772 449945941880.exe 772 449945941880.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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:
G019 & G022 SPEC SHEET.exe449945941880.exedescription pid process target process PID 400 set thread context of 3572 400 G019 & G022 SPEC SHEET.exe G019 & G022 SPEC SHEET.exe PID 2804 set thread context of 772 2804 449945941880.exe 449945941880.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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NSIS installer 6 IoCs
Processes:
resource yara_rule C:\ProgramData\449945941880.exe nsis_installer_1 C:\ProgramData\449945941880.exe nsis_installer_2 C:\ProgramData\449945941880.exe nsis_installer_1 C:\ProgramData\449945941880.exe nsis_installer_2 C:\ProgramData\449945941880.exe nsis_installer_1 C:\ProgramData\449945941880.exe nsis_installer_2 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
G019 & G022 SPEC SHEET.exe449945941880.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString G019 & G022 SPEC SHEET.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 449945941880.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 449945941880.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 2088 taskkill.exe -
NTFS ADS 1 IoCs
Processes:
G019 & G022 SPEC SHEET.exedescription ioc process File created C:\ProgramData\449945941880.exe:Zone.Identifier G019 & G022 SPEC SHEET.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
449945941880.exepid process 772 449945941880.exe 772 449945941880.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
G019 & G022 SPEC SHEET.exe449945941880.exepid process 400 G019 & G022 SPEC SHEET.exe 2804 449945941880.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 2088 taskkill.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
G019 & G022 SPEC SHEET.exeG019 & G022 SPEC SHEET.exe449945941880.execmd.exedescription pid process target process PID 400 wrote to memory of 3572 400 G019 & G022 SPEC SHEET.exe G019 & G022 SPEC SHEET.exe PID 400 wrote to memory of 3572 400 G019 & G022 SPEC SHEET.exe G019 & G022 SPEC SHEET.exe PID 400 wrote to memory of 3572 400 G019 & G022 SPEC SHEET.exe G019 & G022 SPEC SHEET.exe PID 400 wrote to memory of 3572 400 G019 & G022 SPEC SHEET.exe G019 & G022 SPEC SHEET.exe PID 3572 wrote to memory of 2804 3572 G019 & G022 SPEC SHEET.exe 449945941880.exe PID 3572 wrote to memory of 2804 3572 G019 & G022 SPEC SHEET.exe 449945941880.exe PID 3572 wrote to memory of 2804 3572 G019 & G022 SPEC SHEET.exe 449945941880.exe PID 2804 wrote to memory of 772 2804 449945941880.exe 449945941880.exe PID 2804 wrote to memory of 772 2804 449945941880.exe 449945941880.exe PID 2804 wrote to memory of 772 2804 449945941880.exe 449945941880.exe PID 2804 wrote to memory of 772 2804 449945941880.exe 449945941880.exe PID 3572 wrote to memory of 3012 3572 G019 & G022 SPEC SHEET.exe cmd.exe PID 3572 wrote to memory of 3012 3572 G019 & G022 SPEC SHEET.exe cmd.exe PID 3572 wrote to memory of 3012 3572 G019 & G022 SPEC SHEET.exe cmd.exe PID 3012 wrote to memory of 2088 3012 cmd.exe taskkill.exe PID 3012 wrote to memory of 2088 3012 cmd.exe taskkill.exe PID 3012 wrote to memory of 2088 3012 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\G019 & G022 SPEC SHEET.exe"C:\Users\Admin\AppData\Local\Temp\G019 & G022 SPEC SHEET.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\G019 & G022 SPEC SHEET.exe"C:\Users\Admin\AppData\Local\Temp\G019 & G022 SPEC SHEET.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- NTFS ADS
- Suspicious use of WriteProcessMemory
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C:\ProgramData\449945941880.exe"C:\ProgramData\449945941880.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\ProgramData\449945941880.exe"C:\ProgramData\449945941880.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /pid 3572 & erase C:\Users\Admin\AppData\Local\Temp\G019 & G022 SPEC SHEET.exe & RD /S /Q C:\\ProgramData\\896283334769022\\* & exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /pid 35724⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\449945941880.exeMD5
719969e204f366a74528dd16a0c47239
SHA15feff5edf982b227be840c7c4bdd3f8695ab520e
SHA256d6bce670eedb3e82eaceb6ec24f159f3e8f805b42a2ff61c688edb686e0ff490
SHA512459ca353837d9810168410e5d92a2ee4c5934c894d0d666c9d519a0a6ae9cba841c9c074f9ca5d27774f15ba64366ff9a0466951c3054e7b40f4934fc58f6f33
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C:\ProgramData\449945941880.exeMD5
719969e204f366a74528dd16a0c47239
SHA15feff5edf982b227be840c7c4bdd3f8695ab520e
SHA256d6bce670eedb3e82eaceb6ec24f159f3e8f805b42a2ff61c688edb686e0ff490
SHA512459ca353837d9810168410e5d92a2ee4c5934c894d0d666c9d519a0a6ae9cba841c9c074f9ca5d27774f15ba64366ff9a0466951c3054e7b40f4934fc58f6f33
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C:\ProgramData\449945941880.exeMD5
719969e204f366a74528dd16a0c47239
SHA15feff5edf982b227be840c7c4bdd3f8695ab520e
SHA256d6bce670eedb3e82eaceb6ec24f159f3e8f805b42a2ff61c688edb686e0ff490
SHA512459ca353837d9810168410e5d92a2ee4c5934c894d0d666c9d519a0a6ae9cba841c9c074f9ca5d27774f15ba64366ff9a0466951c3054e7b40f4934fc58f6f33
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\ProgramData\mozglue.dllMD5
8f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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\ProgramData\nss3.dllMD5
bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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\ProgramData\sqlite3.dllMD5
e477a96c8f2b18d6b5c27bde49c990bf
SHA1e980c9bf41330d1e5bd04556db4646a0210f7409
SHA25616574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660
SHA512335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c
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\Users\Admin\AppData\Local\Temp\6E3C648E\mozglue.dllMD5
9e682f1eb98a9d41468fc3e50f907635
SHA185e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
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\Users\Admin\AppData\Local\Temp\6E3C648E\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\Users\Admin\AppData\Local\Temp\6E3C648E\nss3.dllMD5
556ea09421a0f74d31c4c0a89a70dc23
SHA1f739ba9b548ee64b13eb434a3130406d23f836e3
SHA256f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
SHA5122481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
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\Users\Admin\AppData\Local\Temp\6E3C648E\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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\Users\Admin\AppData\Local\Temp\6E3C648E\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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\Users\Admin\AppData\Local\Temp\6E3C648E\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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\Users\Admin\AppData\Local\Temp\nscBEB4.tmp\6vw4w93.dllMD5
21d6078eafde0f1eaaf1f80d8c5602cd
SHA199b147793badc5d138b7b870ddceb5474975391c
SHA2566df1241eb9c87a5cb4ae26a7bf94b53ab41e20bad8d1fff241cd0d301d337803
SHA5129f4cd37521fdd3208345debfc1276c8657c5f5d46e339c4a44496b041dea4fc15447ba3c231785c844512ea3d05ecd03b37a1667aaebf1504a12c7e421769465
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\Users\Admin\AppData\Local\Temp\nss9A34.tmp\ih00nh5vdje.dllMD5
75827fcdd708129b5c89d50bfadaea2b
SHA1ba5358cb7b09a03822285102f169a8746c23afc5
SHA2561d170e17ca916be17c00fa577c34cfdab0b85d19f1b2511fb28032984aac1563
SHA512c03fd009270a0491d07881db52b8dc5b56fe90af939d3bbb4a1c40b1a3b20f160f70e25ce863772da2197c438b7fa1dca9145c521f8ff736f1b016ca744637a3
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memory/400-115-0x0000000002170000-0x0000000002172000-memory.dmpFilesize
8KB
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memory/772-128-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/772-125-0x000000000041A684-mapping.dmp
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memory/2088-130-0x0000000000000000-mapping.dmp
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memory/2804-127-0x0000000000790000-0x0000000000792000-memory.dmpFilesize
8KB
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memory/2804-121-0x0000000000000000-mapping.dmp
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memory/3012-129-0x0000000000000000-mapping.dmp
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memory/3572-117-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3572-116-0x000000000040717B-mapping.dmp