azorult | b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3

Analysis

max time kernel
146s
max time network
91s
platform
windows7_x64
resource
win7v200430
submitted
10-07-2020 12:10

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General

Target

b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe
Size

242KB
MD5

62231fa0b731bd0aac1c55bd8ed15898
SHA1

d3dd155f601bb80e417b9b0a6cf294215107af46
SHA256

b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3
SHA512

6539e010a88784c5c6c605038b2edb38c06d060543140e08c405025fd4c825f281e78993309a82dabb26148d5ad5eaf5eb0ea87f9fe95a520cd59d9c508c683c

Score

10^/10

azorult oski discovery infostealer spyware stealer trojan

Malware Config

Extracted

Family

azorult

http://195.245.112.115/index.php

Extracted

Family

oski

raymond.ug

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:

osaz.exeosaz.exe

pid	Process
1784	osaz.exe
1924	osaz.exe

Loads dropped DLL 7 IoCs

Processes:

b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exeosaz.exeosaz.exe

pid	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.
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:

b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exeosaz.exe

description	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.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

osaz.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	osaz.exe

Kills process with taskkill 1 IoCs

evasion

Processes:

taskkill.exe

pid	Process
1640	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description	pid	Process
Token: SeDebugPrivilege	1640	taskkill.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exeosaz.exeosaz.execmd.exe

description	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

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\\* & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1464
    - - C:\Windows\SysWOW64\taskkill.exe
        
        taskkill /pid 1924
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:1640
- C:\Users\Admin\AppData\Local\Temp\b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3.exe
  "{path}"
  2⤵
  PID:520

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:\Users\Admin\AppData\Local\Temp\osaz.exe

MD5
55a24afe65e5d8459cc31973277d1909

SHA1
5c045b7d2c2a083ac65927519dd85339c7b58aa5

SHA256
8959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e

SHA512
5fe45d4de5b113b97e77752b25da0b4e234c78321e51d85c7a9fcea8e295394e1aa2e454c41381107b92d91a4872c86b30a67ca0604fc774459dfce2bb23a9f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\osaz.exe

MD5
55a24afe65e5d8459cc31973277d1909

SHA1
5c045b7d2c2a083ac65927519dd85339c7b58aa5

SHA256
8959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e

SHA512
5fe45d4de5b113b97e77752b25da0b4e234c78321e51d85c7a9fcea8e295394e1aa2e454c41381107b92d91a4872c86b30a67ca0604fc774459dfce2bb23a9f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\osaz.exe

MD5
55a24afe65e5d8459cc31973277d1909

SHA1
5c045b7d2c2a083ac65927519dd85339c7b58aa5

SHA256
8959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e

SHA512
5fe45d4de5b113b97e77752b25da0b4e234c78321e51d85c7a9fcea8e295394e1aa2e454c41381107b92d91a4872c86b30a67ca0604fc774459dfce2bb23a9f1

Download Submit
\ProgramData\mozglue.dll

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\msvcp140.dll

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

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
\ProgramData\vcruntime140.dll

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
\Users\Admin\AppData\Local\Temp\osaz.exe

MD5
55a24afe65e5d8459cc31973277d1909

SHA1
5c045b7d2c2a083ac65927519dd85339c7b58aa5

SHA256
8959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e

SHA512
5fe45d4de5b113b97e77752b25da0b4e234c78321e51d85c7a9fcea8e295394e1aa2e454c41381107b92d91a4872c86b30a67ca0604fc774459dfce2bb23a9f1

Download Submit
\Users\Admin\AppData\Local\Temp\osaz.exe

MD5
55a24afe65e5d8459cc31973277d1909

SHA1
5c045b7d2c2a083ac65927519dd85339c7b58aa5

SHA256
8959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e

SHA512
5fe45d4de5b113b97e77752b25da0b4e234c78321e51d85c7a9fcea8e295394e1aa2e454c41381107b92d91a4872c86b30a67ca0604fc774459dfce2bb23a9f1

Download Submit
memory/520-11-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/520-14-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/520-12-0x000000000041A684-mapping.dmp

Download
memory/1464-33-0x0000000000000000-mapping.dmp

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memory/1640-34-0x0000000000000000-mapping.dmp

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memory/1784-8-0x0000000000000000-mapping.dmp

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memory/1924-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

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memory/1924-20-0x000000000040717B-mapping.dmp

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memory/1924-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

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