aurora | 471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747

Analysis

max time kernel
126s
max time network
130s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05-02-2023 01:19

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General

Target

5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
Size

3.6MB
MD5

36fd273ea7607d3a203f257f4e2649ed
SHA1

5e243f79ecb539d0d1f75fce7ddfedeccee70a48
SHA256

471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747
SHA512

cf81163bc6d1f1141130fbe70944387b97d322afe837ad21a88a0be8f9fd87615bd7022cc572b1783871cc99f224258bae75855e805c733793b723ba0483597d
SSDEEP

98304:VQF9SqUKUehGS26Ish7MUTjA+1VFnqWXvqaY4:VSSzMGS26x1MUTM+/Fh

Score

10^/10

aurora purecrypter downloader loader persistence spyware stealer

Malware Config

Extracted

Family

aurora

45.9.74.11:8081

Signatures

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

Detect PureCrypter injector 1 IoCs

loader

resource	yara_rule
behavioral1/memory/1748-66-0x0000000006480000-0x0000000006820000-memory.dmp	family_purecrypter

PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter

Executes dropped EXE 3 IoCs

pid	Process
1960	voiceadequovl.exe
1748	voiceadequovl.exe
824	voiceadequovl.exe

Loads dropped DLL 4 IoCs

pid	Process
1960	voiceadequovl.exe
1960	voiceadequovl.exe
1960	voiceadequovl.exe
1960	voiceadequovl.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	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.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\\\""	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 824	1748	voiceadequovl.exe	35

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 2 IoCs

pid	Process
1724	powershell.exe
1572	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	voiceadequovl.exe
Token: SeDebugPrivilege	1724	powershell.exe
Token: SeDebugPrivilege	1572	powershell.exe
Token: SeIncreaseQuotaPrivilege	1940	wmic.exe
Token: SeSecurityPrivilege	1940	wmic.exe
Token: SeTakeOwnershipPrivilege	1940	wmic.exe
Token: SeLoadDriverPrivilege	1940	wmic.exe
Token: SeSystemProfilePrivilege	1940	wmic.exe
Token: SeSystemtimePrivilege	1940	wmic.exe
Token: SeProfSingleProcessPrivilege	1940	wmic.exe
Token: SeIncBasePriorityPrivilege	1940	wmic.exe
Token: SeCreatePagefilePrivilege	1940	wmic.exe
Token: SeBackupPrivilege	1940	wmic.exe
Token: SeRestorePrivilege	1940	wmic.exe
Token: SeShutdownPrivilege	1940	wmic.exe
Token: SeDebugPrivilege	1940	wmic.exe
Token: SeSystemEnvironmentPrivilege	1940	wmic.exe
Token: SeRemoteShutdownPrivilege	1940	wmic.exe
Token: SeUndockPrivilege	1940	wmic.exe
Token: SeManageVolumePrivilege	1940	wmic.exe
Token: 33	1940	wmic.exe
Token: 34	1940	wmic.exe
Token: 35	1940	wmic.exe
Token: SeIncreaseQuotaPrivilege	1940	wmic.exe
Token: SeSecurityPrivilege	1940	wmic.exe
Token: SeTakeOwnershipPrivilege	1940	wmic.exe
Token: SeLoadDriverPrivilege	1940	wmic.exe
Token: SeSystemProfilePrivilege	1940	wmic.exe
Token: SeSystemtimePrivilege	1940	wmic.exe
Token: SeProfSingleProcessPrivilege	1940	wmic.exe
Token: SeIncBasePriorityPrivilege	1940	wmic.exe
Token: SeCreatePagefilePrivilege	1940	wmic.exe
Token: SeBackupPrivilege	1940	wmic.exe
Token: SeRestorePrivilege	1940	wmic.exe
Token: SeShutdownPrivilege	1940	wmic.exe
Token: SeDebugPrivilege	1940	wmic.exe
Token: SeSystemEnvironmentPrivilege	1940	wmic.exe
Token: SeRemoteShutdownPrivilege	1940	wmic.exe
Token: SeUndockPrivilege	1940	wmic.exe
Token: SeManageVolumePrivilege	1940	wmic.exe
Token: 33	1940	wmic.exe
Token: 34	1940	wmic.exe
Token: 35	1940	wmic.exe
Token: SeIncreaseQuotaPrivilege	1728	WMIC.exe
Token: SeSecurityPrivilege	1728	WMIC.exe
Token: SeTakeOwnershipPrivilege	1728	WMIC.exe
Token: SeLoadDriverPrivilege	1728	WMIC.exe
Token: SeSystemProfilePrivilege	1728	WMIC.exe
Token: SeSystemtimePrivilege	1728	WMIC.exe
Token: SeProfSingleProcessPrivilege	1728	WMIC.exe
Token: SeIncBasePriorityPrivilege	1728	WMIC.exe
Token: SeCreatePagefilePrivilege	1728	WMIC.exe
Token: SeBackupPrivilege	1728	WMIC.exe
Token: SeRestorePrivilege	1728	WMIC.exe
Token: SeShutdownPrivilege	1728	WMIC.exe
Token: SeDebugPrivilege	1728	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1728	WMIC.exe
Token: SeRemoteShutdownPrivilege	1728	WMIC.exe
Token: SeUndockPrivilege	1728	WMIC.exe
Token: SeManageVolumePrivilege	1728	WMIC.exe
Token: 33	1728	WMIC.exe
Token: 34	1728	WMIC.exe
Token: 35	1728	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1728	WMIC.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1960	1788	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe	28
PID 1788 wrote to memory of 1960	1788	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe	28
PID 1788 wrote to memory of 1960	1788	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe	28
PID 1788 wrote to memory of 1960	1788	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe	28
PID 1960 wrote to memory of 1748	1960	voiceadequovl.exe	29
PID 1960 wrote to memory of 1748	1960	voiceadequovl.exe	29
PID 1960 wrote to memory of 1748	1960	voiceadequovl.exe	29
PID 1960 wrote to memory of 1748	1960	voiceadequovl.exe	29
PID 1748 wrote to memory of 1724	1748	voiceadequovl.exe	30
PID 1748 wrote to memory of 1724	1748	voiceadequovl.exe	30
PID 1748 wrote to memory of 1724	1748	voiceadequovl.exe	30
PID 1748 wrote to memory of 1724	1748	voiceadequovl.exe	30
PID 1748 wrote to memory of 1300	1748	voiceadequovl.exe	32
PID 1748 wrote to memory of 1300	1748	voiceadequovl.exe	32
PID 1748 wrote to memory of 1300	1748	voiceadequovl.exe	32
PID 1748 wrote to memory of 1300	1748	voiceadequovl.exe	32
PID 1300 wrote to memory of 1572	1300	cmd.exe	34
PID 1300 wrote to memory of 1572	1300	cmd.exe	34
PID 1300 wrote to memory of 1572	1300	cmd.exe	34
PID 1300 wrote to memory of 1572	1300	cmd.exe	34
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 1748 wrote to memory of 824	1748	voiceadequovl.exe	35
PID 824 wrote to memory of 1940	824	voiceadequovl.exe	36
PID 824 wrote to memory of 1940	824	voiceadequovl.exe	36
PID 824 wrote to memory of 1940	824	voiceadequovl.exe	36
PID 824 wrote to memory of 1940	824	voiceadequovl.exe	36
PID 824 wrote to memory of 1580	824	voiceadequovl.exe	39
PID 824 wrote to memory of 1580	824	voiceadequovl.exe	39
PID 824 wrote to memory of 1580	824	voiceadequovl.exe	39
PID 824 wrote to memory of 1580	824	voiceadequovl.exe	39
PID 1580 wrote to memory of 1728	1580	cmd.exe	41
PID 1580 wrote to memory of 1728	1580	cmd.exe	41
PID 1580 wrote to memory of 1728	1580	cmd.exe	41
PID 1580 wrote to memory of 1728	1580	cmd.exe	41
PID 824 wrote to memory of 320	824	voiceadequovl.exe	42
PID 824 wrote to memory of 320	824	voiceadequovl.exe	42
PID 824 wrote to memory of 320	824	voiceadequovl.exe	42
PID 824 wrote to memory of 320	824	voiceadequovl.exe	42
PID 320 wrote to memory of 1004	320	cmd.exe	44
PID 320 wrote to memory of 1004	320	cmd.exe	44
PID 320 wrote to memory of 1004	320	cmd.exe	44
PID 320 wrote to memory of 1004	320	cmd.exe	44

C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
"C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1960
- - C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
    "C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1748
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1724
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1300
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1572
  - - C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
      C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:824
    - - C:\Windows\SysWOW64\Wbem\wmic.exe
        
        wmic os get Caption
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1940
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /C "wmic path win32_VideoController get name"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1580
      - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic path win32_VideoController get name
        6⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:1728
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /C "wmic cpu get name"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:320
      - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic cpu get name
        6⤵
        
        PID:1004

Network

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

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\Temp\IXP000.TMP\voiceadequovl.exe

Filesize
365.5MB

MD5
ba50f2bca86ba947a8d2035bb9b35123

SHA1
a542b5c5d41174dc2475a219978123b7d14f958f

SHA256
17790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5

SHA512
08fdb619e411247c571710bc47df2463c95dc2fee82025e548b65ff1a3e4a53e663fafec9bcc5cc234f32211b25f6f9472786c1be543eb71629f32ec09f04379

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

Filesize
365.5MB

MD5
ba50f2bca86ba947a8d2035bb9b35123

SHA1
a542b5c5d41174dc2475a219978123b7d14f958f

SHA256
17790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5

SHA512
08fdb619e411247c571710bc47df2463c95dc2fee82025e548b65ff1a3e4a53e663fafec9bcc5cc234f32211b25f6f9472786c1be543eb71629f32ec09f04379

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
ce53533fe5c9c849ac35a5c52c6eb2ae

SHA1
4366526749b5f66a10bd143339fa272f253b644c

SHA256
bb227311b0efaee0044670188a95993bda2e7296710d633c326e1deace393513

SHA512
0fee43bdac6d40c282dbcb44706cfd321c24e24e007712f08977f93534923a711a04bfb9e5dd0c22fbb449d79380ee477a15d34d8cffcb4b0b8c02ab21ce8f7a

Download Submit
C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

Filesize
187.6MB

MD5
00e040cd5cbb26302a1b81b4768fe75f

SHA1
407017384ac9da9f10000415c1e6a40bba7f87dc

SHA256
bd9217a50f1c84f841c31b1559f4f449f55bc3d56664d0dcfe3af5c150764d32

SHA512
31ab9ddd07ebde6cf207fac64776deb9c020d9dc9bf724cbc7ec2b69bea2db98fc378b1ea0538e4613a4cc7802d324b143ee7c43cd813959a427628497a1a8d5

Download Submit
C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

Filesize
190.0MB

MD5
9cc4a4756009c5a485058279490cc964

SHA1
ca8a075e7103173eecc1e1a77ea1bbb376c42b1c

SHA256
5edfd68b6b805a81a19acf10d40a90fa63b508edb32e9db698f06875bbf68bfe

SHA512
e787a5eede881a4ccd7e941926468e0494a4ab77580fcbd094a630b78f0918bad5f8929d05e0d7d32db58c38594f6e69a5d0d346e10de58fe9d760e090160e0d

Download Submit
C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

Filesize
66.8MB

MD5
f004cce711398bf73c97efd552705ab9

SHA1
c68cd9bd499e47bd20f30ebd437ec3738b9035a3

SHA256
a4aa991b6eee0291a68b307289665be437f9155f349ec3014199e6385fbcccd8

SHA512
1100392c7ae4962ca48f14b5bd74c5a28794a8e4a1e42dc2ccffcdabf315b139f7dba2a62000166c919263a00f24ceccadafd5e34ac79b442f21716a97d10d5a

Download Submit
\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

Filesize
201.2MB

MD5
e4ad188f3d284d0a818c3ec93d5fac97

SHA1
9c74faa4257e1c9a835c019d1405954be93e2144

SHA256
842de37404508d42ff4352b0c595f74eb45312f86028b1d639f24251b6056986

SHA512
4cadac88c00f4982c5028e5667e103f5287fc4fcfda51f846dcea02ba6d19ee6bdbc52c9b86750bab6fd5bd1f2025cb6c3b28e14364c39d0c26899cb66f98578

Download Submit
\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

Filesize
178.3MB

MD5
1012984fd6a2046cfff50e6bc91a830f

SHA1
f76e38f547814ddd8019bfb23caa07cac82471ed

SHA256
a2b6c15da604d2528a9f8eed368aad89f5cb7bbe398bf7e87662ee4452b62766

SHA512
e333b14586b3141b5a438ca7243d4812884ca7eac1c86748cbc159d5e59296f1293cabb0b4f41646b4ce9cbc7c025cfa10aff486ef23ccc7f8e81a29363ba3c8

Download Submit
\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

Filesize
194.6MB

MD5
5a07026de7d41803a7e5717b75b0bfd1

SHA1
e102672d48d8154a29d12ff245252dba0d485563

SHA256
f6692603a2a5e59a8eb6d0e74de258aea4314d7794708bb5158c109a563ae865

SHA512
866022c6f0d0b27fb9d343ccbcb66809bd56c93577e5cc8b5c0ed7f1617bd9d5eefa9b8c214de0c27220533ef0e54ee36be57232d2c4650aac499a5ac6928d7d

Download Submit
\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

Filesize
188.6MB

MD5
4dd4197ecd983566d6e0d2670f4f70e1

SHA1
aef31de94dc9b70684c5c9874779846e95b8755e

SHA256
873e425643ae026d5e2861765131618a18cf8766e65c4565f42deb686cad3f67

SHA512
854b887bb722a12e843a5f900973d6b56725af2068f5ecf73ce1280b0ab2fd4ed2978bc3664caa01a58d8f10eae230f3c707cc0b326167e2c1df42a702a7277c

Download Submit
memory/824-92-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/824-76-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/824-88-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/824-101-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/824-87-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/824-94-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/824-85-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/824-84-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/824-82-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/824-80-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/824-78-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/1572-93-0x000000006F850000-0x000000006FDFB000-memory.dmp

Filesize
5.7MB

Download
memory/1572-95-0x000000006F850000-0x000000006FDFB000-memory.dmp

Filesize
5.7MB

Download
memory/1724-69-0x000000006FCD0000-0x000000007027B000-memory.dmp

Filesize
5.7MB

Download
memory/1724-71-0x000000006FCD0000-0x000000007027B000-memory.dmp

Filesize
5.7MB

Download
memory/1724-70-0x000000006FCD0000-0x000000007027B000-memory.dmp

Filesize
5.7MB

Download
memory/1748-74-0x00000000053E0000-0x0000000005552000-memory.dmp

Filesize
1.4MB

Download
memory/1748-66-0x0000000006480000-0x0000000006820000-memory.dmp

Filesize
3.6MB

Download
memory/1748-65-0x0000000000C20000-0x0000000001394000-memory.dmp

Filesize
7.5MB

Download
memory/1960-56-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download