azorult | 5a38b12ebce12dde580da36ee1b4a5c0387f9e81f7f738c278b60d5781dad6eb

Analysis

max time kernel
125s
max time network
125s
platform
windows10_x64
resource
win10v20210408
submitted
28-04-2021 13:12

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General

Target

13a8ca17d4b77f65052f928f39ef46b8.exe
Size

221KB
MD5

13a8ca17d4b77f65052f928f39ef46b8
SHA1

3c61930f2dfcbd798a063137629ef33f222855ca
SHA256

5a38b12ebce12dde580da36ee1b4a5c0387f9e81f7f738c278b60d5781dad6eb
SHA512

df7938528522073cbb95c3aee4c2c24abf519c87190f35650a41979601c6611e0c0c6cfb3208f71bfcbba4ce45ba0af65ddf5ca87d68c93848f76ddb84fdacce

Score

10^/10

azorult oski discovery infostealer spyware stealer trojan

Malware Config

Extracted

Family

oski

5llion.com

Extracted

Family

azorult

http://bengalcement.com.bd/AxPu/index.php

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult
Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

629972909002.exe

pid process

2112 629972909002.exe

pid	process
2112	629972909002.exe

Loads dropped DLL 8 IoCs

Processes:

13a8ca17d4b77f65052f928f39ef46b8.exe629972909002.exe

pid	process
728	13a8ca17d4b77f65052f928f39ef46b8.exe
728	13a8ca17d4b77f65052f928f39ef46b8.exe
728	13a8ca17d4b77f65052f928f39ef46b8.exe
2112	629972909002.exe
2112	629972909002.exe
2112	629972909002.exe
2112	629972909002.exe
2112	629972909002.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of SetThreadContext 1 IoCs

Processes:

13a8ca17d4b77f65052f928f39ef46b8.exe

description pid process target process

PID 488 set thread context of 728 488 13a8ca17d4b77f65052f928f39ef46b8.exe 13a8ca17d4b77f65052f928f39ef46b8.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 488 set thread context of 728	488	13a8ca17d4b77f65052f928f39ef46b8.exe	13a8ca17d4b77f65052f928f39ef46b8.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

13a8ca17d4b77f65052f928f39ef46b8.exe629972909002.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	13a8ca17d4b77f65052f928f39ef46b8.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	629972909002.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	629972909002.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

492 taskkill.exe
NTFS ADS 1 IoCs

Processes:

13a8ca17d4b77f65052f928f39ef46b8.exe

description ioc process

File created C:\ProgramData\629972909002.exe:Zone.Identifier 13a8ca17d4b77f65052f928f39ef46b8.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

13a8ca17d4b77f65052f928f39ef46b8.exe629972909002.exe

pid process

488 13a8ca17d4b77f65052f928f39ef46b8.exe
488 13a8ca17d4b77f65052f928f39ef46b8.exe
2112 629972909002.exe
2112 629972909002.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

13a8ca17d4b77f65052f928f39ef46b8.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 488 13a8ca17d4b77f65052f928f39ef46b8.exe
Token: SeDebugPrivilege 492 taskkill.exe

pid	process
492	taskkill.exe

description	ioc	process
File created	C:\ProgramData\629972909002.exe:Zone.Identifier	13a8ca17d4b77f65052f928f39ef46b8.exe

pid	process
488	13a8ca17d4b77f65052f928f39ef46b8.exe
488	13a8ca17d4b77f65052f928f39ef46b8.exe
2112	629972909002.exe
2112	629972909002.exe

description	pid	process
Token: SeDebugPrivilege	488	13a8ca17d4b77f65052f928f39ef46b8.exe
Token: SeDebugPrivilege	492	taskkill.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

13a8ca17d4b77f65052f928f39ef46b8.exe13a8ca17d4b77f65052f928f39ef46b8.execmd.exe

description	pid	process	target process
PID 488 wrote to memory of 728	488	13a8ca17d4b77f65052f928f39ef46b8.exe	13a8ca17d4b77f65052f928f39ef46b8.exe
PID 488 wrote to memory of 728	488	13a8ca17d4b77f65052f928f39ef46b8.exe	13a8ca17d4b77f65052f928f39ef46b8.exe
PID 488 wrote to memory of 728	488	13a8ca17d4b77f65052f928f39ef46b8.exe	13a8ca17d4b77f65052f928f39ef46b8.exe
PID 488 wrote to memory of 728	488	13a8ca17d4b77f65052f928f39ef46b8.exe	13a8ca17d4b77f65052f928f39ef46b8.exe
PID 488 wrote to memory of 728	488	13a8ca17d4b77f65052f928f39ef46b8.exe	13a8ca17d4b77f65052f928f39ef46b8.exe
PID 488 wrote to memory of 728	488	13a8ca17d4b77f65052f928f39ef46b8.exe	13a8ca17d4b77f65052f928f39ef46b8.exe
PID 488 wrote to memory of 728	488	13a8ca17d4b77f65052f928f39ef46b8.exe	13a8ca17d4b77f65052f928f39ef46b8.exe
PID 488 wrote to memory of 728	488	13a8ca17d4b77f65052f928f39ef46b8.exe	13a8ca17d4b77f65052f928f39ef46b8.exe
PID 488 wrote to memory of 728	488	13a8ca17d4b77f65052f928f39ef46b8.exe	13a8ca17d4b77f65052f928f39ef46b8.exe
PID 728 wrote to memory of 2112	728	13a8ca17d4b77f65052f928f39ef46b8.exe	629972909002.exe
PID 728 wrote to memory of 2112	728	13a8ca17d4b77f65052f928f39ef46b8.exe	629972909002.exe
PID 728 wrote to memory of 2112	728	13a8ca17d4b77f65052f928f39ef46b8.exe	629972909002.exe
PID 728 wrote to memory of 416	728	13a8ca17d4b77f65052f928f39ef46b8.exe	cmd.exe
PID 728 wrote to memory of 416	728	13a8ca17d4b77f65052f928f39ef46b8.exe	cmd.exe
PID 728 wrote to memory of 416	728	13a8ca17d4b77f65052f928f39ef46b8.exe	cmd.exe
PID 416 wrote to memory of 492	416	cmd.exe	taskkill.exe
PID 416 wrote to memory of 492	416	cmd.exe	taskkill.exe
PID 416 wrote to memory of 492	416	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\13a8ca17d4b77f65052f928f39ef46b8.exe
"C:\Users\Admin\AppData\Local\Temp\13a8ca17d4b77f65052f928f39ef46b8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:488

C:\Users\Admin\AppData\Local\Temp\13a8ca17d4b77f65052f928f39ef46b8.exe
C:\Users\Admin\AppData\Local\Temp\13a8ca17d4b77f65052f928f39ef46b8.exe
2⤵
- Loads dropped DLL
- Checks processor information in registry
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:728

C:\ProgramData\629972909002.exe
"C:\ProgramData\629972909002.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2112

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 728 & erase C:\Users\Admin\AppData\Local\Temp\13a8ca17d4b77f65052f928f39ef46b8.exe & RD /S /Q C:\\ProgramData\\591476720475702\\* & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:416

C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 728
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:492

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\629972909002.exe
MD5
6fde608d09a5e7e56a520552502c856e

SHA1
5af63513b171c72ebef58e68cb8c1d96c771b4e2

SHA256
7f2270d10eb36c07d9b7d52ca7e5e7a863db20902636441de143b90358eec19f

SHA512
9e2899f37bf297d6016aab6489f51ec78a08d1c4ea95d07aacfa873fef210db99fa3b5640ea9eb6a9fee625074156bcb860e0c4178090fa389b20b758c2a3c9e

Download Submit
C:\ProgramData\629972909002.exe
MD5
6fde608d09a5e7e56a520552502c856e

SHA1
5af63513b171c72ebef58e68cb8c1d96c771b4e2

SHA256
7f2270d10eb36c07d9b7d52ca7e5e7a863db20902636441de143b90358eec19f

SHA512
9e2899f37bf297d6016aab6489f51ec78a08d1c4ea95d07aacfa873fef210db99fa3b5640ea9eb6a9fee625074156bcb860e0c4178090fa389b20b758c2a3c9e

Download Submit
\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
\ProgramData\sqlite3.dll
MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
\Users\Admin\AppData\Local\Temp\6E3C648E\mozglue.dll
MD5
9e682f1eb98a9d41468fc3e50f907635

SHA1
85e0ceca36f657ddf6547aa0744f0855a27527ee

SHA256
830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

SHA512
230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

Download Submit
\Users\Admin\AppData\Local\Temp\6E3C648E\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
\Users\Admin\AppData\Local\Temp\6E3C648E\nss3.dll
MD5
556ea09421a0f74d31c4c0a89a70dc23

SHA1
f739ba9b548ee64b13eb434a3130406d23f836e3

SHA256
f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

SHA512
2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

Download Submit
\Users\Admin\AppData\Local\Temp\6E3C648E\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
\Users\Admin\AppData\Local\Temp\6E3C648E\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
memory/416-131-0x0000000000000000-mapping.dmp

Download
memory/488-119-0x0000000004C10000-0x0000000004C11000-memory.dmp

Filesize
4KB

Download
memory/488-118-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download
memory/488-114-0x0000000000430000-0x0000000000431000-memory.dmp

Filesize
4KB

Download
memory/488-117-0x0000000004BF0000-0x0000000004BF2000-memory.dmp

Filesize
8KB

Download
memory/488-116-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

Download
memory/488-120-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/488-121-0x0000000004DB0000-0x0000000004DCF000-memory.dmp

Filesize
124KB

Download
memory/492-132-0x0000000000000000-mapping.dmp

Download
memory/728-124-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/728-123-0x000000000040717B-mapping.dmp

Download
memory/728-122-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-128-0x0000000000000000-mapping.dmp

Download