aurora | 9d46f656238d21c07a1d280b8a23171d05ae87dbb136d4c0efefa578132058cf

General

Target

file.exe
Size

5.0MB
MD5

4f253477a36850490e31add375d9cdad
SHA1

0bbd876a81e43746595da1b71285ef6978ceb162
SHA256

9d46f656238d21c07a1d280b8a23171d05ae87dbb136d4c0efefa578132058cf
SHA512

c3fd8354070103f423b937f0dbe8d4a1285494ea14e4a5748b4b9936d019a4b38dd65d447a3471a8ba41f21275c33800e756666c9ba450276c7cd0f7b420b8b8
SSDEEP

98304:UJbMKqBTZlgY5FlcBfclcPi7LO049CDZe:MMKslMBfcc67LrHD8

Score

10^/10

aurora spyware stealer

Malware Config

Extracted

Family

aurora

C2

138.201.198.8:8081

Signatures

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

Processes:

file.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation file.exe
Executes dropped EXE 1 IoCs

Processes:

build.exe

pid process

3656 build.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
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

228 552 WerFault.exe file.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

file.exe

pid process

552 file.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	file.exe

pid	process
3656	build.exe

pid	pid_target	process	target process
228	552	WerFault.exe	file.exe

pid	process
552	file.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

file.exewmic.exeWMIC.exe

description	pid	process
Token: SeDebugPrivilege	552	file.exe
Token: SeIncreaseQuotaPrivilege	3948	wmic.exe
Token: SeSecurityPrivilege	3948	wmic.exe
Token: SeTakeOwnershipPrivilege	3948	wmic.exe
Token: SeLoadDriverPrivilege	3948	wmic.exe
Token: SeSystemProfilePrivilege	3948	wmic.exe
Token: SeSystemtimePrivilege	3948	wmic.exe
Token: SeProfSingleProcessPrivilege	3948	wmic.exe
Token: SeIncBasePriorityPrivilege	3948	wmic.exe
Token: SeCreatePagefilePrivilege	3948	wmic.exe
Token: SeBackupPrivilege	3948	wmic.exe
Token: SeRestorePrivilege	3948	wmic.exe
Token: SeShutdownPrivilege	3948	wmic.exe
Token: SeDebugPrivilege	3948	wmic.exe
Token: SeSystemEnvironmentPrivilege	3948	wmic.exe
Token: SeRemoteShutdownPrivilege	3948	wmic.exe
Token: SeUndockPrivilege	3948	wmic.exe
Token: SeManageVolumePrivilege	3948	wmic.exe
Token: 33	3948	wmic.exe
Token: 34	3948	wmic.exe
Token: 35	3948	wmic.exe
Token: 36	3948	wmic.exe
Token: SeIncreaseQuotaPrivilege	3948	wmic.exe
Token: SeSecurityPrivilege	3948	wmic.exe
Token: SeTakeOwnershipPrivilege	3948	wmic.exe
Token: SeLoadDriverPrivilege	3948	wmic.exe
Token: SeSystemProfilePrivilege	3948	wmic.exe
Token: SeSystemtimePrivilege	3948	wmic.exe
Token: SeProfSingleProcessPrivilege	3948	wmic.exe
Token: SeIncBasePriorityPrivilege	3948	wmic.exe
Token: SeCreatePagefilePrivilege	3948	wmic.exe
Token: SeBackupPrivilege	3948	wmic.exe
Token: SeRestorePrivilege	3948	wmic.exe
Token: SeShutdownPrivilege	3948	wmic.exe
Token: SeDebugPrivilege	3948	wmic.exe
Token: SeSystemEnvironmentPrivilege	3948	wmic.exe
Token: SeRemoteShutdownPrivilege	3948	wmic.exe
Token: SeUndockPrivilege	3948	wmic.exe
Token: SeManageVolumePrivilege	3948	wmic.exe
Token: 33	3948	wmic.exe
Token: 34	3948	wmic.exe
Token: 35	3948	wmic.exe
Token: 36	3948	wmic.exe
Token: SeIncreaseQuotaPrivilege	2948	WMIC.exe
Token: SeSecurityPrivilege	2948	WMIC.exe
Token: SeTakeOwnershipPrivilege	2948	WMIC.exe
Token: SeLoadDriverPrivilege	2948	WMIC.exe
Token: SeSystemProfilePrivilege	2948	WMIC.exe
Token: SeSystemtimePrivilege	2948	WMIC.exe
Token: SeProfSingleProcessPrivilege	2948	WMIC.exe
Token: SeIncBasePriorityPrivilege	2948	WMIC.exe
Token: SeCreatePagefilePrivilege	2948	WMIC.exe
Token: SeBackupPrivilege	2948	WMIC.exe
Token: SeRestorePrivilege	2948	WMIC.exe
Token: SeShutdownPrivilege	2948	WMIC.exe
Token: SeDebugPrivilege	2948	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2948	WMIC.exe
Token: SeRemoteShutdownPrivilege	2948	WMIC.exe
Token: SeUndockPrivilege	2948	WMIC.exe
Token: SeManageVolumePrivilege	2948	WMIC.exe
Token: 33	2948	WMIC.exe
Token: 34	2948	WMIC.exe
Token: 35	2948	WMIC.exe
Token: 36	2948	WMIC.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

file.exebuild.execmd.execmd.exe

description	pid	process	target process
PID 552 wrote to memory of 3656	552	file.exe	build.exe
PID 552 wrote to memory of 3656	552	file.exe	build.exe
PID 3656 wrote to memory of 3948	3656	build.exe	wmic.exe
PID 3656 wrote to memory of 3948	3656	build.exe	wmic.exe
PID 3656 wrote to memory of 4032	3656	build.exe	cmd.exe
PID 3656 wrote to memory of 4032	3656	build.exe	cmd.exe
PID 4032 wrote to memory of 2948	4032	cmd.exe	WMIC.exe
PID 4032 wrote to memory of 2948	4032	cmd.exe	WMIC.exe
PID 3656 wrote to memory of 3724	3656	build.exe	cmd.exe
PID 3656 wrote to memory of 3724	3656	build.exe	cmd.exe
PID 3724 wrote to memory of 4900	3724	cmd.exe	WMIC.exe
PID 3724 wrote to memory of 4900	3724	cmd.exe	WMIC.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:552

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\build.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\build.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3656

C:\Windows\System32\Wbem\wmic.exe
wmic os get Caption
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3948

C:\Windows\system32\cmd.exe
cmd /C "wmic path win32_VideoController get name"
3⤵
- Suspicious use of WriteProcessMemory
PID:4032

C:\Windows\System32\Wbem\WMIC.exe
wmic path win32_VideoController get name
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2948

C:\Windows\system32\cmd.exe
cmd /C "wmic cpu get name"
3⤵
- Suspicious use of WriteProcessMemory
PID:3724

C:\Windows\System32\Wbem\WMIC.exe
wmic cpu get name
4⤵
PID:4900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 2384
2⤵
- Program crash
PID:228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 552 -ip 552
1⤵
PID:4280

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RzLNTXYeUCWKsXbGyRAOmBTvKSJfjzaL
Filesize
2KB

MD5
18da5c19d469f921ff9d44f1f17de97b

SHA1
bef606053494e1f516431d40f2aca29cf1deeb20

SHA256
662f6389650db2471a13412664d05cfed46fef73dd1d30cf16d2c8ceeee33eb0

SHA512
9eee1b05c10544813c2eb89c48369d78e5b9260fddd8e90a34f06ac8ea2955860083c6c8ac31089276e97e269b87b4ac0c43e9dcdb7bd6091759dccb4ac0e71d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nJObCsNVlgTeMaPEZQleQYhYzRyWJjPj
Filesize
71KB

MD5
46988a922937a39036d6b71e62d0f966

SHA1
4a997f2a0360274ec7990aac156870a5a7030665

SHA256
5954db23a8424f6cb1e933387d0866910c45615f54342aa0f6dd597174393de6

SHA512
dd7774668cd24c303e670e7d096794aca67593b8d8a9b3b38aa08c148f67e74c07041f25941465b3ae030bafd76384b4b79d41c1eeebe5bd11d94ab25ef00e9d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\build.exe
Filesize
3.0MB

MD5
a22f4f4fd882dc77ae4adcf180d34f1a

SHA1
b630ffa68e2fe05f60dec473368354e8c07a53c5

SHA256
a7e18f8334187302d07b411518c03f7b472b7ba17751e6f5d239541105aedd36

SHA512
1f1e5cb83dc8b95630702faea3107ffd6929dcbad1b30b5b7d77d5b7284d883a60fac0d802e7b9b624b45ee0362af08d5d8426b5d010e0f71cc1bd01c46a329e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\build.exe
Filesize
3.0MB

MD5
a22f4f4fd882dc77ae4adcf180d34f1a

SHA1
b630ffa68e2fe05f60dec473368354e8c07a53c5

SHA256
a7e18f8334187302d07b411518c03f7b472b7ba17751e6f5d239541105aedd36

SHA512
1f1e5cb83dc8b95630702faea3107ffd6929dcbad1b30b5b7d77d5b7284d883a60fac0d802e7b9b624b45ee0362af08d5d8426b5d010e0f71cc1bd01c46a329e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\build.exe
Filesize
3.0MB

MD5
a22f4f4fd882dc77ae4adcf180d34f1a

SHA1
b630ffa68e2fe05f60dec473368354e8c07a53c5

SHA256
a7e18f8334187302d07b411518c03f7b472b7ba17751e6f5d239541105aedd36

SHA512
1f1e5cb83dc8b95630702faea3107ffd6929dcbad1b30b5b7d77d5b7284d883a60fac0d802e7b9b624b45ee0362af08d5d8426b5d010e0f71cc1bd01c46a329e

Download Submit
memory/552-133-0x0000000000480000-0x0000000000976000-memory.dmp

Filesize
5.0MB

Download
memory/552-134-0x00000000056E0000-0x0000000005C84000-memory.dmp

Filesize
5.6MB

Download
memory/552-135-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/552-136-0x0000000005270000-0x000000000530C000-memory.dmp

Filesize
624KB

Download
memory/552-137-0x00000000053D0000-0x00000000053E0000-memory.dmp

Filesize
64KB

Download
memory/552-138-0x0000000005160000-0x000000000516A000-memory.dmp

Filesize
40KB

Download

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