aurora | 5ec2cb39e7538c4c2eaedcd2c2ce1ea79665260e14ff5b6579e33829c06c0235

Analysis

max time kernel
106s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2023, 22:08

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General

Target

tmp780A.tmp.exe
Size

4.0MB
MD5

58f86d3f8a1f981a7c7bf541c3bc787b
SHA1

a6b43c84c1b79551b39fc7c589deec969de84227
SHA256

5ec2cb39e7538c4c2eaedcd2c2ce1ea79665260e14ff5b6579e33829c06c0235
SHA512

88dd8807bbc2ad6f93eacc729489d4a859edf310becfafb788c69de80b716780dde739604d53656be8cbec160c940392d24344d2737ff9d25e064f29989b7719
SSDEEP

98304:j5p0FLvYwv0qdE+T/6dBVeAhy5zhLaHtZO3jB9L0l3nHQvvw4:j5KpvNJHj6dXEnLuZOr0Znw

Score

10^/10

aurora spyware stealer

Malware Config

Extracted

Family

aurora

79.137.133.225:8081

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	tmp780A.tmp.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3556 set thread context of 1816	3556	tmp780A.tmp.exe	92

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
3028	powershell.exe
3028	powershell.exe
3556	tmp780A.tmp.exe
3556	tmp780A.tmp.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3556	tmp780A.tmp.exe
Token: SeDebugPrivilege	3028	powershell.exe
Token: SeIncreaseQuotaPrivilege	2476	wmic.exe
Token: SeSecurityPrivilege	2476	wmic.exe
Token: SeTakeOwnershipPrivilege	2476	wmic.exe
Token: SeLoadDriverPrivilege	2476	wmic.exe
Token: SeSystemProfilePrivilege	2476	wmic.exe
Token: SeSystemtimePrivilege	2476	wmic.exe
Token: SeProfSingleProcessPrivilege	2476	wmic.exe
Token: SeIncBasePriorityPrivilege	2476	wmic.exe
Token: SeCreatePagefilePrivilege	2476	wmic.exe
Token: SeBackupPrivilege	2476	wmic.exe
Token: SeRestorePrivilege	2476	wmic.exe
Token: SeShutdownPrivilege	2476	wmic.exe
Token: SeDebugPrivilege	2476	wmic.exe
Token: SeSystemEnvironmentPrivilege	2476	wmic.exe
Token: SeRemoteShutdownPrivilege	2476	wmic.exe
Token: SeUndockPrivilege	2476	wmic.exe
Token: SeManageVolumePrivilege	2476	wmic.exe
Token: 33	2476	wmic.exe
Token: 34	2476	wmic.exe
Token: 35	2476	wmic.exe
Token: 36	2476	wmic.exe
Token: SeIncreaseQuotaPrivilege	2476	wmic.exe
Token: SeSecurityPrivilege	2476	wmic.exe
Token: SeTakeOwnershipPrivilege	2476	wmic.exe
Token: SeLoadDriverPrivilege	2476	wmic.exe
Token: SeSystemProfilePrivilege	2476	wmic.exe
Token: SeSystemtimePrivilege	2476	wmic.exe
Token: SeProfSingleProcessPrivilege	2476	wmic.exe
Token: SeIncBasePriorityPrivilege	2476	wmic.exe
Token: SeCreatePagefilePrivilege	2476	wmic.exe
Token: SeBackupPrivilege	2476	wmic.exe
Token: SeRestorePrivilege	2476	wmic.exe
Token: SeShutdownPrivilege	2476	wmic.exe
Token: SeDebugPrivilege	2476	wmic.exe
Token: SeSystemEnvironmentPrivilege	2476	wmic.exe
Token: SeRemoteShutdownPrivilege	2476	wmic.exe
Token: SeUndockPrivilege	2476	wmic.exe
Token: SeManageVolumePrivilege	2476	wmic.exe
Token: 33	2476	wmic.exe
Token: 34	2476	wmic.exe
Token: 35	2476	wmic.exe
Token: 36	2476	wmic.exe
Token: SeIncreaseQuotaPrivilege	1876	WMIC.exe
Token: SeSecurityPrivilege	1876	WMIC.exe
Token: SeTakeOwnershipPrivilege	1876	WMIC.exe
Token: SeLoadDriverPrivilege	1876	WMIC.exe
Token: SeSystemProfilePrivilege	1876	WMIC.exe
Token: SeSystemtimePrivilege	1876	WMIC.exe
Token: SeProfSingleProcessPrivilege	1876	WMIC.exe
Token: SeIncBasePriorityPrivilege	1876	WMIC.exe
Token: SeCreatePagefilePrivilege	1876	WMIC.exe
Token: SeBackupPrivilege	1876	WMIC.exe
Token: SeRestorePrivilege	1876	WMIC.exe
Token: SeShutdownPrivilege	1876	WMIC.exe
Token: SeDebugPrivilege	1876	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1876	WMIC.exe
Token: SeRemoteShutdownPrivilege	1876	WMIC.exe
Token: SeUndockPrivilege	1876	WMIC.exe
Token: SeManageVolumePrivilege	1876	WMIC.exe
Token: 33	1876	WMIC.exe
Token: 34	1876	WMIC.exe
Token: 35	1876	WMIC.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 3028	3556	tmp780A.tmp.exe	83
PID 3556 wrote to memory of 3028	3556	tmp780A.tmp.exe	83
PID 3556 wrote to memory of 3028	3556	tmp780A.tmp.exe	83
PID 3556 wrote to memory of 4560	3556	tmp780A.tmp.exe	91
PID 3556 wrote to memory of 4560	3556	tmp780A.tmp.exe	91
PID 3556 wrote to memory of 4560	3556	tmp780A.tmp.exe	91
PID 3556 wrote to memory of 1816	3556	tmp780A.tmp.exe	92
PID 3556 wrote to memory of 1816	3556	tmp780A.tmp.exe	92
PID 3556 wrote to memory of 1816	3556	tmp780A.tmp.exe	92
PID 3556 wrote to memory of 1816	3556	tmp780A.tmp.exe	92
PID 3556 wrote to memory of 1816	3556	tmp780A.tmp.exe	92
PID 3556 wrote to memory of 1816	3556	tmp780A.tmp.exe	92
PID 3556 wrote to memory of 1816	3556	tmp780A.tmp.exe	92
PID 3556 wrote to memory of 1816	3556	tmp780A.tmp.exe	92
PID 3556 wrote to memory of 1816	3556	tmp780A.tmp.exe	92
PID 3556 wrote to memory of 1816	3556	tmp780A.tmp.exe	92
PID 3556 wrote to memory of 1816	3556	tmp780A.tmp.exe	92
PID 1816 wrote to memory of 2476	1816	tmp780A.tmp.exe	94
PID 1816 wrote to memory of 2476	1816	tmp780A.tmp.exe	94
PID 1816 wrote to memory of 2476	1816	tmp780A.tmp.exe	94
PID 1816 wrote to memory of 1792	1816	tmp780A.tmp.exe	95
PID 1816 wrote to memory of 1792	1816	tmp780A.tmp.exe	95
PID 1816 wrote to memory of 1792	1816	tmp780A.tmp.exe	95
PID 1792 wrote to memory of 1876	1792	cmd.exe	97
PID 1792 wrote to memory of 1876	1792	cmd.exe	97
PID 1792 wrote to memory of 1876	1792	cmd.exe	97
PID 1816 wrote to memory of 1956	1816	tmp780A.tmp.exe	99
PID 1816 wrote to memory of 1956	1816	tmp780A.tmp.exe	99
PID 1816 wrote to memory of 1956	1816	tmp780A.tmp.exe	99
PID 1956 wrote to memory of 3064	1956	cmd.exe	101
PID 1956 wrote to memory of 3064	1956	cmd.exe	101
PID 1956 wrote to memory of 3064	1956	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\tmp780A.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp780A.tmp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3028
- C:\Users\Admin\AppData\Local\Temp\tmp780A.tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp780A.tmp.exe
  2⤵
  PID:4560
- C:\Users\Admin\AppData\Local\Temp\tmp780A.tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp780A.tmp.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1816
- - C:\Windows\SysWOW64\Wbem\wmic.exe
    wmic os get Caption
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2476
- - C:\Windows\SysWOW64\cmd.exe
    cmd /C "wmic path win32_VideoController get name"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1792
  - - C:\Windows\SysWOW64\Wbem\WMIC.exe
      wmic path win32_VideoController get name
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1876
- - C:\Windows\SysWOW64\cmd.exe
    cmd /C "wmic cpu get name"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1956
  - - C:\Windows\SysWOW64\Wbem\WMIC.exe
      wmic cpu get name
      4⤵
      PID:3064

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

Replay Monitor

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Downloads

memory/1816-155-0x0000000000400000-0x0000000000876000-memory.dmp

Filesize
4.5MB

Download
memory/1816-149-0x0000000000400000-0x0000000000876000-memory.dmp

Filesize
4.5MB

Download
memory/1816-148-0x0000000000400000-0x0000000000876000-memory.dmp

Filesize
4.5MB

Download
memory/1816-146-0x0000000000400000-0x0000000000876000-memory.dmp

Filesize
4.5MB

Download
memory/3028-137-0x0000000005540000-0x00000000055A6000-memory.dmp

Filesize
408KB

Download
memory/3028-138-0x0000000005620000-0x0000000005686000-memory.dmp

Filesize
408KB

Download
memory/3028-135-0x0000000002660000-0x0000000002696000-memory.dmp

Filesize
216KB

Download
memory/3028-141-0x0000000006150000-0x000000000616A000-memory.dmp

Filesize
104KB

Download
memory/3028-140-0x0000000007490000-0x0000000007B0A000-memory.dmp

Filesize
6.5MB

Download
memory/3028-139-0x0000000005C30000-0x0000000005C4E000-memory.dmp

Filesize
120KB

Download
memory/3028-136-0x0000000004DC0000-0x00000000053E8000-memory.dmp

Filesize
6.2MB

Download
memory/3556-132-0x00000000009C0000-0x0000000000DC6000-memory.dmp

Filesize
4.0MB

Download
memory/3556-142-0x0000000005E80000-0x0000000005F12000-memory.dmp

Filesize
584KB

Download
memory/3556-143-0x00000000073A0000-0x0000000007944000-memory.dmp

Filesize
5.6MB

Download
memory/3556-133-0x0000000005CE0000-0x0000000005D02000-memory.dmp

Filesize
136KB

Download