aurora | 2b91eb4d7882f0f0915130d670e1a39f43a43f5cb267975e283df0fddd9727b9

Analysis

max time kernel
43s
max time network
118s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30/01/2023, 17:36

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General

Target

e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe
Size

470.0MB
MD5

3ee5dfca3eadc77f2bf61894d582cc66
SHA1

17f5f51c3439e54b22df194968977653104298d2
SHA256

e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad
SHA512

c3ecef9bc6b51e430264a494bb3e9237ca539c7e3f1d4b3f18988e2953bee7cf46b06a2f24ca1535e8cbf514c6059e5c444c74dace355f845b08d8d7ad4bb239
SSDEEP

49152:LhK10rlzIwe6he+dM1ckuKqMm1kdCabcUwoTnfyL6gNLh65eDm0drmjKoSuMelqi:cirlzMIdHvbMCacUFKbNo8DmGOpMwqPq

Score

10^/10

aurora evasion spyware stealer themida trojan

Malware Config

Extracted

Family

aurora

45.15.156.210:8081

Signatures

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe

Executes dropped EXE 1 IoCs

pid	Process
2036	TI2xR0m7pr.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe

Loads dropped DLL 1 IoCs

pid	Process
1976	powershell.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

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1356-55-0x0000000000820000-0x0000000001191000-memory.dmp	themida
behavioral1/memory/1356-56-0x0000000000820000-0x0000000001191000-memory.dmp	themida
behavioral1/memory/1356-57-0x0000000000820000-0x0000000001191000-memory.dmp	themida
behavioral1/memory/1356-58-0x0000000000820000-0x0000000001191000-memory.dmp	themida
behavioral1/memory/1356-59-0x0000000000820000-0x0000000001191000-memory.dmp	themida
behavioral1/memory/1356-61-0x0000000000820000-0x0000000001191000-memory.dmp	themida
behavioral1/memory/1356-60-0x0000000000820000-0x0000000001191000-memory.dmp	themida
behavioral1/memory/1356-80-0x0000000000820000-0x0000000001191000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe
1976	powershell.exe
1976	powershell.exe
1976	powershell.exe
2036	TI2xR0m7pr.exe
2036	TI2xR0m7pr.exe
2036	TI2xR0m7pr.exe
2036	TI2xR0m7pr.exe
2036	TI2xR0m7pr.exe
2036	TI2xR0m7pr.exe
2036	TI2xR0m7pr.exe
2036	TI2xR0m7pr.exe
2036	TI2xR0m7pr.exe
2036	TI2xR0m7pr.exe
2036	TI2xR0m7pr.exe
2036	TI2xR0m7pr.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1124	wmic.exe
Token: SeSecurityPrivilege	1124	wmic.exe
Token: SeTakeOwnershipPrivilege	1124	wmic.exe
Token: SeLoadDriverPrivilege	1124	wmic.exe
Token: SeSystemProfilePrivilege	1124	wmic.exe
Token: SeSystemtimePrivilege	1124	wmic.exe
Token: SeProfSingleProcessPrivilege	1124	wmic.exe
Token: SeIncBasePriorityPrivilege	1124	wmic.exe
Token: SeCreatePagefilePrivilege	1124	wmic.exe
Token: SeBackupPrivilege	1124	wmic.exe
Token: SeRestorePrivilege	1124	wmic.exe
Token: SeShutdownPrivilege	1124	wmic.exe
Token: SeDebugPrivilege	1124	wmic.exe
Token: SeSystemEnvironmentPrivilege	1124	wmic.exe
Token: SeRemoteShutdownPrivilege	1124	wmic.exe
Token: SeUndockPrivilege	1124	wmic.exe
Token: SeManageVolumePrivilege	1124	wmic.exe
Token: 33	1124	wmic.exe
Token: 34	1124	wmic.exe
Token: 35	1124	wmic.exe
Token: SeIncreaseQuotaPrivilege	1124	wmic.exe
Token: SeSecurityPrivilege	1124	wmic.exe
Token: SeTakeOwnershipPrivilege	1124	wmic.exe
Token: SeLoadDriverPrivilege	1124	wmic.exe
Token: SeSystemProfilePrivilege	1124	wmic.exe
Token: SeSystemtimePrivilege	1124	wmic.exe
Token: SeProfSingleProcessPrivilege	1124	wmic.exe
Token: SeIncBasePriorityPrivilege	1124	wmic.exe
Token: SeCreatePagefilePrivilege	1124	wmic.exe
Token: SeBackupPrivilege	1124	wmic.exe
Token: SeRestorePrivilege	1124	wmic.exe
Token: SeShutdownPrivilege	1124	wmic.exe
Token: SeDebugPrivilege	1124	wmic.exe
Token: SeSystemEnvironmentPrivilege	1124	wmic.exe
Token: SeRemoteShutdownPrivilege	1124	wmic.exe
Token: SeUndockPrivilege	1124	wmic.exe
Token: SeManageVolumePrivilege	1124	wmic.exe
Token: 33	1124	wmic.exe
Token: 34	1124	wmic.exe
Token: 35	1124	wmic.exe
Token: SeIncreaseQuotaPrivilege	896	WMIC.exe
Token: SeSecurityPrivilege	896	WMIC.exe
Token: SeTakeOwnershipPrivilege	896	WMIC.exe
Token: SeLoadDriverPrivilege	896	WMIC.exe
Token: SeSystemProfilePrivilege	896	WMIC.exe
Token: SeSystemtimePrivilege	896	WMIC.exe
Token: SeProfSingleProcessPrivilege	896	WMIC.exe
Token: SeIncBasePriorityPrivilege	896	WMIC.exe
Token: SeCreatePagefilePrivilege	896	WMIC.exe
Token: SeBackupPrivilege	896	WMIC.exe
Token: SeRestorePrivilege	896	WMIC.exe
Token: SeShutdownPrivilege	896	WMIC.exe
Token: SeDebugPrivilege	896	WMIC.exe
Token: SeSystemEnvironmentPrivilege	896	WMIC.exe
Token: SeRemoteShutdownPrivilege	896	WMIC.exe
Token: SeUndockPrivilege	896	WMIC.exe
Token: SeManageVolumePrivilege	896	WMIC.exe
Token: 33	896	WMIC.exe
Token: 34	896	WMIC.exe
Token: 35	896	WMIC.exe
Token: SeIncreaseQuotaPrivilege	896	WMIC.exe
Token: SeSecurityPrivilege	896	WMIC.exe
Token: SeTakeOwnershipPrivilege	896	WMIC.exe
Token: SeLoadDriverPrivilege	896	WMIC.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 1124	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	27
PID 1356 wrote to memory of 1124	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	27
PID 1356 wrote to memory of 1124	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	27
PID 1356 wrote to memory of 1124	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	27
PID 1356 wrote to memory of 1472	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	30
PID 1356 wrote to memory of 1472	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	30
PID 1356 wrote to memory of 1472	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	30
PID 1356 wrote to memory of 1472	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	30
PID 1472 wrote to memory of 896	1472	cmd.exe	32
PID 1472 wrote to memory of 896	1472	cmd.exe	32
PID 1472 wrote to memory of 896	1472	cmd.exe	32
PID 1472 wrote to memory of 896	1472	cmd.exe	32
PID 1356 wrote to memory of 1000	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	33
PID 1356 wrote to memory of 1000	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	33
PID 1356 wrote to memory of 1000	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	33
PID 1356 wrote to memory of 1000	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	33
PID 1000 wrote to memory of 1576	1000	cmd.exe	35
PID 1000 wrote to memory of 1576	1000	cmd.exe	35
PID 1000 wrote to memory of 1576	1000	cmd.exe	35
PID 1000 wrote to memory of 1576	1000	cmd.exe	35
PID 1356 wrote to memory of 1976	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	36
PID 1356 wrote to memory of 1976	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	36
PID 1356 wrote to memory of 1976	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	36
PID 1356 wrote to memory of 1976	1356	e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe	36
PID 1976 wrote to memory of 2036	1976	powershell.exe	38
PID 1976 wrote to memory of 2036	1976	powershell.exe	38
PID 1976 wrote to memory of 2036	1976	powershell.exe	38
PID 1976 wrote to memory of 2036	1976	powershell.exe	38
PID 1976 wrote to memory of 2036	1976	powershell.exe	38
PID 1976 wrote to memory of 2036	1976	powershell.exe	38
PID 1976 wrote to memory of 2036	1976	powershell.exe	38

C:\Users\Admin\AppData\Local\Temp\e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe
"C:\Users\Admin\AppData\Local\Temp\e41b7fabc955a219901ab142402f9fb1c1c81e1923240fbe7ea1f9e4f57e46ad.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Windows\SysWOW64\Wbem\wmic.exe
  wmic os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1124
- C:\Windows\SysWOW64\cmd.exe
  cmd /C "wmic path win32_VideoController get name"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic path win32_VideoController get name
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:896
- C:\Windows\SysWOW64\cmd.exe
  cmd /C "wmic cpu get name"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1000
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic cpu get name
    3⤵
    PID:1576
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell "" "start-process C:\Users\Admin\AppData\Local\Temp\TI2xR0m7pr.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1976
- - C:\Users\Admin\AppData\Local\Temp\TI2xR0m7pr.exe
    "C:\Users\Admin\AppData\Local\Temp\TI2xR0m7pr.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

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\Temp\TI2xR0m7pr.exe

Filesize
4.1MB

MD5
fd3921d7f42c4a42115ce88d1c9fe031

SHA1
30d5b2cd633667a340047e1ff1ce44628555eba0

SHA256
0ea7ac01f7c8cb0ad3574688fd83265cceb7c3c16f89f29799b8be1b3a314a6a

SHA512
8216ba2c9da3e6021f8f90c824a9da14632069477e508117948d841fd7dcc7fe28e1fb3d9cae854afe32db3ed46c6ba9cc49b3840ec875f66f3fa252ae11fb70

Download Submit
C:\Users\Admin\AppData\Local\Temp\TI2xR0m7pr.exe

Filesize
4.1MB

MD5
fd3921d7f42c4a42115ce88d1c9fe031

SHA1
30d5b2cd633667a340047e1ff1ce44628555eba0

SHA256
0ea7ac01f7c8cb0ad3574688fd83265cceb7c3c16f89f29799b8be1b3a314a6a

SHA512
8216ba2c9da3e6021f8f90c824a9da14632069477e508117948d841fd7dcc7fe28e1fb3d9cae854afe32db3ed46c6ba9cc49b3840ec875f66f3fa252ae11fb70

Download Submit
\Users\Admin\AppData\Local\Temp\TI2xR0m7pr.exe

Filesize
4.1MB

MD5
fd3921d7f42c4a42115ce88d1c9fe031

SHA1
30d5b2cd633667a340047e1ff1ce44628555eba0

SHA256
0ea7ac01f7c8cb0ad3574688fd83265cceb7c3c16f89f29799b8be1b3a314a6a

SHA512
8216ba2c9da3e6021f8f90c824a9da14632069477e508117948d841fd7dcc7fe28e1fb3d9cae854afe32db3ed46c6ba9cc49b3840ec875f66f3fa252ae11fb70

Download Submit
memory/1356-58-0x0000000000820000-0x0000000001191000-memory.dmp

Filesize
9.4MB

Download
memory/1356-60-0x0000000000820000-0x0000000001191000-memory.dmp

Filesize
9.4MB

Download
memory/1356-62-0x0000000076FB0000-0x0000000077130000-memory.dmp

Filesize
1.5MB

Download
memory/1356-61-0x0000000000820000-0x0000000001191000-memory.dmp

Filesize
9.4MB

Download
memory/1356-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1356-59-0x0000000000820000-0x0000000001191000-memory.dmp

Filesize
9.4MB

Download
memory/1356-57-0x0000000000820000-0x0000000001191000-memory.dmp

Filesize
9.4MB

Download
memory/1356-80-0x0000000000820000-0x0000000001191000-memory.dmp

Filesize
9.4MB

Download
memory/1356-56-0x0000000000820000-0x0000000001191000-memory.dmp

Filesize
9.4MB

Download
memory/1356-55-0x0000000000820000-0x0000000001191000-memory.dmp

Filesize
9.4MB

Download
memory/1976-70-0x0000000073850000-0x0000000073DFB000-memory.dmp

Filesize
5.7MB

Download
memory/1976-76-0x0000000073850000-0x0000000073DFB000-memory.dmp

Filesize
5.7MB

Download
memory/2036-77-0x0000000000BE0000-0x00000000012C3000-memory.dmp

Filesize
6.9MB

Download