azorult | 8aab7c82bd2fdb732deaa0a13703fd525820af323b38a48787a266bd41963f91

Analysis

max time kernel
70s
max time network
131s
platform
windows10_x64
resource
win10v20210408
submitted
15-04-2021 19:58

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General

Target

Copy of SN po_1100111010.exe

Score

10^/10

azorult oski discovery infostealer spyware stealer trojan

Malware Config

Extracted

Family

oski

45.144.225.118

Extracted

Family

azorult

http://lexusbiscuit.com/OiuBn/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 2 IoCs

Processes:

231296318780.exe231296318780.exe

pid process

3168 231296318780.exe
1272 231296318780.exe

pid	process
3168	231296318780.exe
1272	231296318780.exe

Loads dropped DLL 9 IoCs

Processes:

Copy of SN po_1100111010.exeCopy of SN po_1100111010.exe231296318780.exe231296318780.exe

pid	process
1032	Copy of SN po_1100111010.exe
2968	Copy of SN po_1100111010.exe
2968	Copy of SN po_1100111010.exe
2968	Copy of SN po_1100111010.exe
3168	231296318780.exe
1272	231296318780.exe
1272	231296318780.exe
1272	231296318780.exe
1272	231296318780.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 2 IoCs

Processes:

Copy of SN po_1100111010.exe231296318780.exe

description	pid	process	target process
PID 1032 set thread context of 2968	1032	Copy of SN po_1100111010.exe	Copy of SN po_1100111010.exe
PID 3168 set thread context of 1272	3168	231296318780.exe	231296318780.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

NSIS installer 6 IoCs

installer

Processes:

resource	yara_rule
C:\ProgramData\231296318780.exe	nsis_installer_1
C:\ProgramData\231296318780.exe	nsis_installer_2
C:\ProgramData\231296318780.exe	nsis_installer_1
C:\ProgramData\231296318780.exe	nsis_installer_2
C:\ProgramData\231296318780.exe	nsis_installer_1
C:\ProgramData\231296318780.exe	nsis_installer_2

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:

Copy of SN po_1100111010.exe231296318780.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Copy of SN po_1100111010.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	231296318780.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	231296318780.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3888 taskkill.exe
NTFS ADS 1 IoCs

Processes:

Copy of SN po_1100111010.exe

description ioc process

File created C:\ProgramData\231296318780.exe:Zone.Identifier Copy of SN po_1100111010.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

231296318780.exe

pid process

1272 231296318780.exe
1272 231296318780.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Copy of SN po_1100111010.exe231296318780.exe

pid process

1032 Copy of SN po_1100111010.exe
3168 231296318780.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3888 taskkill.exe

pid	process
3888	taskkill.exe

description	ioc	process
File created	C:\ProgramData\231296318780.exe:Zone.Identifier	Copy of SN po_1100111010.exe

pid	process
1272	231296318780.exe
1272	231296318780.exe

description	pid	process
Token: SeDebugPrivilege	3888	taskkill.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Copy of SN po_1100111010.exeCopy of SN po_1100111010.exe231296318780.execmd.exe

description	pid	process	target process
PID 1032 wrote to memory of 2968	1032	Copy of SN po_1100111010.exe	Copy of SN po_1100111010.exe
PID 1032 wrote to memory of 2968	1032	Copy of SN po_1100111010.exe	Copy of SN po_1100111010.exe
PID 1032 wrote to memory of 2968	1032	Copy of SN po_1100111010.exe	Copy of SN po_1100111010.exe
PID 1032 wrote to memory of 2968	1032	Copy of SN po_1100111010.exe	Copy of SN po_1100111010.exe
PID 2968 wrote to memory of 3168	2968	Copy of SN po_1100111010.exe	231296318780.exe
PID 2968 wrote to memory of 3168	2968	Copy of SN po_1100111010.exe	231296318780.exe
PID 2968 wrote to memory of 3168	2968	Copy of SN po_1100111010.exe	231296318780.exe
PID 2968 wrote to memory of 1132	2968	Copy of SN po_1100111010.exe	cmd.exe
PID 2968 wrote to memory of 1132	2968	Copy of SN po_1100111010.exe	cmd.exe
PID 2968 wrote to memory of 1132	2968	Copy of SN po_1100111010.exe	cmd.exe
PID 3168 wrote to memory of 1272	3168	231296318780.exe	231296318780.exe
PID 3168 wrote to memory of 1272	3168	231296318780.exe	231296318780.exe
PID 3168 wrote to memory of 1272	3168	231296318780.exe	231296318780.exe
PID 3168 wrote to memory of 1272	3168	231296318780.exe	231296318780.exe
PID 1132 wrote to memory of 3888	1132	cmd.exe	taskkill.exe
PID 1132 wrote to memory of 3888	1132	cmd.exe	taskkill.exe
PID 1132 wrote to memory of 3888	1132	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\Copy of SN po_1100111010.exe
"C:\Users\Admin\AppData\Local\Temp\Copy of SN po_1100111010.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1032

C:\Users\Admin\AppData\Local\Temp\Copy of SN po_1100111010.exe
"C:\Users\Admin\AppData\Local\Temp\Copy of SN po_1100111010.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2968

C:\ProgramData\231296318780.exe
"C:\ProgramData\231296318780.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3168

C:\ProgramData\231296318780.exe
"C:\ProgramData\231296318780.exe"
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1272

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 2968 & erase C:\Users\Admin\AppData\Local\Temp\Copy of SN po_1100111010.exe & RD /S /Q C:\\ProgramData\\543252792158877\\* & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1132

C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 2968
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3888

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\231296318780.exe
MD5
0ef50c1a6e29e983cc24bd844ee6c6f9

SHA1
a43380111b1cf75ab39157ff6ba7f2343b37b659

SHA256
6ea96ab022562f5f694ed7fc3e4e94a90f27dbd4ec78fb3f57b1b34bbd2f1b5e

SHA512
b9f2bdebe11d8582b7b9fc216271456583b3829ac76b8a308c8fc9bc6981c248e80f2571c332b5370a3cbc918f53b1de6ced22d568bfc3e939d3fb76ca82197e

Download Submit
C:\ProgramData\231296318780.exe
MD5
0ef50c1a6e29e983cc24bd844ee6c6f9

SHA1
a43380111b1cf75ab39157ff6ba7f2343b37b659

SHA256
6ea96ab022562f5f694ed7fc3e4e94a90f27dbd4ec78fb3f57b1b34bbd2f1b5e

SHA512
b9f2bdebe11d8582b7b9fc216271456583b3829ac76b8a308c8fc9bc6981c248e80f2571c332b5370a3cbc918f53b1de6ced22d568bfc3e939d3fb76ca82197e

Download Submit
C:\ProgramData\231296318780.exe
MD5
0ef50c1a6e29e983cc24bd844ee6c6f9

SHA1
a43380111b1cf75ab39157ff6ba7f2343b37b659

SHA256
6ea96ab022562f5f694ed7fc3e4e94a90f27dbd4ec78fb3f57b1b34bbd2f1b5e

SHA512
b9f2bdebe11d8582b7b9fc216271456583b3829ac76b8a308c8fc9bc6981c248e80f2571c332b5370a3cbc918f53b1de6ced22d568bfc3e939d3fb76ca82197e

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\nsu7816.tmp\ernpg.dll
MD5
da8bb17b1ea085848c5b5ea53dafcbca

SHA1
01311d47d5ae25cf446c20a0a1dce5b42033e25f

SHA256
35aefaf7fd837c4be658580adcbce75808ad58465d0d61628540e8f89b87dac0

SHA512
b59351cba668f7cb4f31620faa7c6bbfd7d3185ec93c76f2f8a8ed9fbfc69ae1951c12e708db22a57da2d60eda14a4ad2b91b522a15b99ba7593e0a6c404c056

Download Submit
\Users\Admin\AppData\Local\Temp\nsw960E.tmp\ilw78d1j5.dll
MD5
9e434faafed2fd1cfc7f6e9d1f32ac99

SHA1
8ba877bf46963ffdc6644618f90a6c9c21a47fe8

SHA256
fd187857f28582f39636d973df14fc371872afa3dc307c6138ee838d9d82efc2

SHA512
47816a5e5281bbaf615d8aa31f635a4abec7b1ceba6fedf068c0961636050f9b0643b04e6f89576f510e95a07e4abac2316498285edf7da492cabba34c10ce2f

Download Submit
memory/1032-116-0x00000000009D1000-0x00000000009D3000-memory.dmp

Filesize
8KB

Download
memory/1032-115-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/1132-126-0x0000000000000000-mapping.dmp

Download
memory/1272-127-0x000000000041A684-mapping.dmp

Download
memory/1272-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2968-117-0x000000000040717B-mapping.dmp

Download
memory/2968-118-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3168-131-0x0000000002851000-0x0000000002853000-memory.dmp

Filesize
8KB

Download
memory/3168-130-0x0000000002850000-0x0000000002851000-memory.dmp

Filesize
4KB

Download
memory/3168-122-0x0000000000000000-mapping.dmp

Download
memory/3888-129-0x0000000000000000-mapping.dmp

Download