azorult | e4649c5b452d75aa2cdfdb8bffed9dd6c558d3cb1225c877bf570abb7b106221

Analysis

max time kernel
122s
max time network
125s
platform
windows10_x64
resource
win10-en-20211104
submitted
13-11-2021 18:06

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General

Target

a3cc781be4a0cc75f14ce69b59f8c99f.exe
Size

1.0MB
MD5

a3cc781be4a0cc75f14ce69b59f8c99f
SHA1

9c13ea485984c9e75196c4d0bd871b1b7dc72017
SHA256

e4649c5b452d75aa2cdfdb8bffed9dd6c558d3cb1225c877bf570abb7b106221
SHA512

bb9f6115dac6d1001f5223c9a8d00c7c2b3865d7e9f99bad773df52d188e93282547ea37e496d987f3243c2445afaefe76b7e4849c2eb09bd73ba9ea21e23430

Score

10^/10

azorult oski raccoon 7632dffeb03da57edca98c8bfb2611868e8eb0a7 discovery infostealer spyware stealer suricata trojan

Malware Config

Extracted

Family

azorult

http://195.245.112.115/index.php

Extracted

Family

oski

colonna.ac.ug

Extracted

Family

raccoon

Version

1.8.3-hotfix

Botnet

7632dffeb03da57edca98c8bfb2611868e8eb0a7

Attributes

url4cnc
http://91.219.236.162/brikitiki
http://185.163.47.176/brikitiki
http://193.38.54.238/brikitiki
http://74.119.192.122/brikitiki
http://91.219.236.240/brikitiki
https://t.me/brikitiki

rc4.plain

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
Raccoon
Simple but powerful infostealer which was very active in 2019.
stealer raccoon
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 4140 created 2760 4140 WerFault.exe a3cc781be4a0cc75f14ce69b59f8c99f.exe
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata
suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M18
suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M18
suricata
Downloads MZ/PE file
Executes dropped EXE 4 IoCs

Processes:

fsacvbe.execbvdsme.execbvdsme.exefsacvbe.exe

pid process

4100 fsacvbe.exe
428 cbvdsme.exe
3320 cbvdsme.exe
3280 fsacvbe.exe
Loads dropped DLL 3 IoCs

Processes:

cbvdsme.exe

pid process

3320 cbvdsme.exe
3320 cbvdsme.exe
3320 cbvdsme.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

description	pid	process	target process
PID 4140 created 2760	4140	WerFault.exe	a3cc781be4a0cc75f14ce69b59f8c99f.exe

pid	process
4100	fsacvbe.exe
428	cbvdsme.exe
3320	cbvdsme.exe
3280	fsacvbe.exe

pid	process
3320	cbvdsme.exe
3320	cbvdsme.exe
3320	cbvdsme.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

fsacvbe.execbvdsme.exea3cc781be4a0cc75f14ce69b59f8c99f.exe

description	pid	process	target process
PID 4100 set thread context of 3280	4100	fsacvbe.exe	fsacvbe.exe
PID 428 set thread context of 3320	428	cbvdsme.exe	cbvdsme.exe
PID 4260 set thread context of 2760	4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe	a3cc781be4a0cc75f14ce69b59f8c99f.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4140 2760 WerFault.exe a3cc781be4a0cc75f14ce69b59f8c99f.exe
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:

cbvdsme.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString cbvdsme.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1392 taskkill.exe

pid	pid_target	process	target process
4140	2760	WerFault.exe	a3cc781be4a0cc75f14ce69b59f8c99f.exe

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

pid	process
1392	taskkill.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

WerFault.exe

pid	process
4140	WerFault.exe
4140	WerFault.exe
4140	WerFault.exe
4140	WerFault.exe
4140	WerFault.exe
4140	WerFault.exe
4140	WerFault.exe
4140	WerFault.exe
4140	WerFault.exe
4140	WerFault.exe
4140	WerFault.exe
4140	WerFault.exe
4140	WerFault.exe

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

fsacvbe.execbvdsme.exea3cc781be4a0cc75f14ce69b59f8c99f.exe

pid process

4100 fsacvbe.exe
428 cbvdsme.exe
4260 a3cc781be4a0cc75f14ce69b59f8c99f.exe

pid	process
4100	fsacvbe.exe
428	cbvdsme.exe
4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

taskkill.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	1392	taskkill.exe
Token: SeRestorePrivilege	4140	WerFault.exe
Token: SeBackupPrivilege	4140	WerFault.exe
Token: SeDebugPrivilege	4140	WerFault.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

a3cc781be4a0cc75f14ce69b59f8c99f.exefsacvbe.execbvdsme.exe

pid process

4260 a3cc781be4a0cc75f14ce69b59f8c99f.exe
4100 fsacvbe.exe
428 cbvdsme.exe

pid	process
4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe
4100	fsacvbe.exe
428	cbvdsme.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

a3cc781be4a0cc75f14ce69b59f8c99f.exefsacvbe.execbvdsme.execbvdsme.execmd.exe

description	pid	process	target process
PID 4260 wrote to memory of 4100	4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe	fsacvbe.exe
PID 4260 wrote to memory of 4100	4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe	fsacvbe.exe
PID 4260 wrote to memory of 4100	4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe	fsacvbe.exe
PID 4260 wrote to memory of 428	4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe	cbvdsme.exe
PID 4260 wrote to memory of 428	4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe	cbvdsme.exe
PID 4260 wrote to memory of 428	4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe	cbvdsme.exe
PID 4100 wrote to memory of 3280	4100	fsacvbe.exe	fsacvbe.exe
PID 4100 wrote to memory of 3280	4100	fsacvbe.exe	fsacvbe.exe
PID 4100 wrote to memory of 3280	4100	fsacvbe.exe	fsacvbe.exe
PID 4100 wrote to memory of 3280	4100	fsacvbe.exe	fsacvbe.exe
PID 428 wrote to memory of 3320	428	cbvdsme.exe	cbvdsme.exe
PID 428 wrote to memory of 3320	428	cbvdsme.exe	cbvdsme.exe
PID 428 wrote to memory of 3320	428	cbvdsme.exe	cbvdsme.exe
PID 428 wrote to memory of 3320	428	cbvdsme.exe	cbvdsme.exe
PID 4260 wrote to memory of 2760	4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe	a3cc781be4a0cc75f14ce69b59f8c99f.exe
PID 4260 wrote to memory of 2760	4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe	a3cc781be4a0cc75f14ce69b59f8c99f.exe
PID 4260 wrote to memory of 2760	4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe	a3cc781be4a0cc75f14ce69b59f8c99f.exe
PID 4260 wrote to memory of 2760	4260	a3cc781be4a0cc75f14ce69b59f8c99f.exe	a3cc781be4a0cc75f14ce69b59f8c99f.exe
PID 3320 wrote to memory of 1192	3320	cbvdsme.exe	cmd.exe
PID 3320 wrote to memory of 1192	3320	cbvdsme.exe	cmd.exe
PID 3320 wrote to memory of 1192	3320	cbvdsme.exe	cmd.exe
PID 1192 wrote to memory of 1392	1192	cmd.exe	taskkill.exe
PID 1192 wrote to memory of 1392	1192	cmd.exe	taskkill.exe
PID 1192 wrote to memory of 1392	1192	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\a3cc781be4a0cc75f14ce69b59f8c99f.exe
"C:\Users\Admin\AppData\Local\Temp\a3cc781be4a0cc75f14ce69b59f8c99f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4260

C:\Users\Admin\AppData\Local\Temp\fsacvbe.exe
"C:\Users\Admin\AppData\Local\Temp\fsacvbe.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4100

C:\Users\Admin\AppData\Local\Temp\fsacvbe.exe
"C:\Users\Admin\AppData\Local\Temp\fsacvbe.exe"
3⤵
- Executes dropped EXE
PID:3280

C:\Users\Admin\AppData\Local\Temp\cbvdsme.exe
"C:\Users\Admin\AppData\Local\Temp\cbvdsme.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:428

C:\Users\Admin\AppData\Local\Temp\cbvdsme.exe
"C:\Users\Admin\AppData\Local\Temp\cbvdsme.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3320

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 3320 & erase C:\Users\Admin\AppData\Local\Temp\cbvdsme.exe & RD /S /Q C:\\ProgramData\\807770002840212\\* & exit
4⤵
- Suspicious use of WriteProcessMemory
PID:1192

C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 3320
5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1392

C:\Users\Admin\AppData\Local\Temp\a3cc781be4a0cc75f14ce69b59f8c99f.exe
"C:\Users\Admin\AppData\Local\Temp\a3cc781be4a0cc75f14ce69b59f8c99f.exe"
2⤵
PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 752
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4140

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:\Users\Admin\AppData\Local\Temp\cbvdsme.exe
MD5
af4f7630f1e292f5d6a4e7157c662550

SHA1
d74428bab94698e8f71134f2ce0020403e16ccc8

SHA256
b5f94e330b47c0dcf0e748af9e3e9a030d0c678301eb4ba5c391ad650ecf146a

SHA512
b893918c1add4f44a47d5ab20f983bcfdac04c747226f7c6b57f749d0c28942d95818d5b3127bc9e38ba83ac3107fe5ec479920347814ebc1702962428bcceba

Download Submit
C:\Users\Admin\AppData\Local\Temp\cbvdsme.exe
MD5
af4f7630f1e292f5d6a4e7157c662550

SHA1
d74428bab94698e8f71134f2ce0020403e16ccc8

SHA256
b5f94e330b47c0dcf0e748af9e3e9a030d0c678301eb4ba5c391ad650ecf146a

SHA512
b893918c1add4f44a47d5ab20f983bcfdac04c747226f7c6b57f749d0c28942d95818d5b3127bc9e38ba83ac3107fe5ec479920347814ebc1702962428bcceba

Download Submit
C:\Users\Admin\AppData\Local\Temp\cbvdsme.exe
MD5
af4f7630f1e292f5d6a4e7157c662550

SHA1
d74428bab94698e8f71134f2ce0020403e16ccc8

SHA256
b5f94e330b47c0dcf0e748af9e3e9a030d0c678301eb4ba5c391ad650ecf146a

SHA512
b893918c1add4f44a47d5ab20f983bcfdac04c747226f7c6b57f749d0c28942d95818d5b3127bc9e38ba83ac3107fe5ec479920347814ebc1702962428bcceba

Download Submit
C:\Users\Admin\AppData\Local\Temp\fsacvbe.exe
MD5
a78c23397c81f5e49296b6ff5b956928

SHA1
1b6ab1769e58c21c9cd6aa343379fbe5cefda526

SHA256
bc1722809baae20c024e8e9c71c0ff81f6af06989f15518c573fcf2d5a8218df

SHA512
c25b42a52bf81a99cc87ff8afd6c3e23e018e9e0e9b4c2cd4a8a124173f8a7cfbe4cd3a6cab4456bd51411b1fd5a45399a3f499df8d4b4acea8b9143b6d5b1b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\fsacvbe.exe
MD5
a78c23397c81f5e49296b6ff5b956928

SHA1
1b6ab1769e58c21c9cd6aa343379fbe5cefda526

SHA256
bc1722809baae20c024e8e9c71c0ff81f6af06989f15518c573fcf2d5a8218df

SHA512
c25b42a52bf81a99cc87ff8afd6c3e23e018e9e0e9b4c2cd4a8a124173f8a7cfbe4cd3a6cab4456bd51411b1fd5a45399a3f499df8d4b4acea8b9143b6d5b1b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\fsacvbe.exe
MD5
a78c23397c81f5e49296b6ff5b956928

SHA1
1b6ab1769e58c21c9cd6aa343379fbe5cefda526

SHA256
bc1722809baae20c024e8e9c71c0ff81f6af06989f15518c573fcf2d5a8218df

SHA512
c25b42a52bf81a99cc87ff8afd6c3e23e018e9e0e9b4c2cd4a8a124173f8a7cfbe4cd3a6cab4456bd51411b1fd5a45399a3f499df8d4b4acea8b9143b6d5b1b4

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
memory/428-123-0x0000000000000000-mapping.dmp

Download
memory/428-132-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1192-148-0x0000000000000000-mapping.dmp

Download
memory/1392-149-0x0000000000000000-mapping.dmp

Download
memory/2760-143-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2760-138-0x000000000043F176-mapping.dmp

Download
memory/2760-144-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/3280-135-0x000000000041A684-mapping.dmp

Download
memory/3280-139-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3280-140-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/3320-141-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3320-142-0x0000000000580000-0x00000000006CA000-memory.dmp

Filesize
1.3MB

Download
memory/3320-134-0x0000000000417A8B-mapping.dmp

Download
memory/4100-131-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/4100-120-0x0000000000000000-mapping.dmp

Download
memory/4260-119-0x00000000005F0000-0x00000000005FA000-memory.dmp

Filesize
40KB

Download
memory/4260-118-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/4260-133-0x0000000002540000-0x0000000002547000-memory.dmp

Filesize
28KB

Download
memory/4260-129-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

Download