aurora | 471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747

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 persistence stealer

Malware Config

Extracted

Family

aurora

C2

45.9.74.11:8081

Signatures

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

Checks computer location settings 2 TTPs 2 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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	voiceadequovl.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	voiceadequovl.exe

Executes dropped EXE 2 IoCs

pid	Process
1640	voiceadequovl.exe
2172	voiceadequovl.exe

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

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
2260	powershell.exe
2260	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	voiceadequovl.exe
Token: SeDebugPrivilege	2260	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 1640	4920	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe	81
PID 4920 wrote to memory of 1640	4920	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe	81
PID 4920 wrote to memory of 1640	4920	5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe	81
PID 1640 wrote to memory of 2172	1640	voiceadequovl.exe	89
PID 1640 wrote to memory of 2172	1640	voiceadequovl.exe	89
PID 1640 wrote to memory of 2172	1640	voiceadequovl.exe	89
PID 2172 wrote to memory of 2260	2172	voiceadequovl.exe	91
PID 2172 wrote to memory of 2260	2172	voiceadequovl.exe	91
PID 2172 wrote to memory of 2260	2172	voiceadequovl.exe	91
PID 2172 wrote to memory of 1868	2172	voiceadequovl.exe	93
PID 2172 wrote to memory of 1868	2172	voiceadequovl.exe	93
PID 2172 wrote to memory of 1868	2172	voiceadequovl.exe	93
PID 1868 wrote to memory of 2936	1868	cmd.exe	95
PID 1868 wrote to memory of 2936	1868	cmd.exe	95
PID 1868 wrote to memory of 2936	1868	cmd.exe	95

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:4920
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
    "C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2172
  - - 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:2260
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1868
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
        5⤵
        
        PID:2936
  - - C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
      C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
      4⤵
      PID:4072
  - - C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
      C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
      4⤵
      PID:1552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

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
4280e36a29fa31c01e4d8b2ba726a0d8

SHA1
c485c2c9ce0a99747b18d899b71dfa9a64dabe32

SHA256
e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

SHA512
494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

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

Filesize
16KB

MD5
cec332ac9f7e609c5c668190c29ee860

SHA1
28e918ef392aa5858fc5211ebbf9ee478b7d80e6

SHA256
d21742702df2098c03a58449c5ca15e5f652801ca4c54379bd9d8d336854045a

SHA512
14733a8c36a5d1ced59b413b92b3c9a6491b35ac65cb2d686d533cd148c498333ef96d5d2b67823d33d83976f55c7d004792151e3c52f5a88b9404f8d14949aa

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\Local\Temp\IXP000.TMP\voiceadequovl.exe

Filesize
365.5MB

MD5
ba50f2bca86ba947a8d2035bb9b35123

SHA1
a542b5c5d41174dc2475a219978123b7d14f958f

SHA256
17790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5

SHA512
08fdb619e411247c571710bc47df2463c95dc2fee82025e548b65ff1a3e4a53e663fafec9bcc5cc234f32211b25f6f9472786c1be543eb71629f32ec09f04379

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

Filesize
369.8MB

MD5
14a9737eb666769fee7c28a00eb14e82

SHA1
ab8f2279f13a546fc32233a4da0855660fb07ec0

SHA256
a5fda7973fc4b9cf7fa14943302c0b6cd81c7615105ab0031e20fc5ed2a2396a

SHA512
973d5236da1979d31376d55f6b304fa166835d99a4574e3345e25ebed5b492cf9a3ae3f0a800d137fa8756288684b6d5c07ff97c8e5c2cbb698585f09373e9e7

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

Filesize
369.8MB

MD5
14a9737eb666769fee7c28a00eb14e82

SHA1
ab8f2279f13a546fc32233a4da0855660fb07ec0

SHA256
a5fda7973fc4b9cf7fa14943302c0b6cd81c7615105ab0031e20fc5ed2a2396a

SHA512
973d5236da1979d31376d55f6b304fa166835d99a4574e3345e25ebed5b492cf9a3ae3f0a800d137fa8756288684b6d5c07ff97c8e5c2cbb698585f09373e9e7

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

Filesize
7.7MB

MD5
503ee5b8fc8f40e9ca250e601c6fb334

SHA1
143bfe71078f5f70ea3745ed040aa391569870fa

SHA256
69ec7f3349eb1fb1f85f6f7eb0ab0618112952c983c81f8c6209567a90097cc4

SHA512
03c6b20133e60015e125dc7c26d4f328704661a8573a3834124372f549f4467e4363bdf937fb51b0c38015483cc9ac8bf4b2070c592536266f88e2c3e9cb7ed4

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

Filesize
7.8MB

MD5
e4bbe43b1ccc6997c36bbee20d3b02d0

SHA1
c1f1071e26b914030f5f754439a33306a025b16f

SHA256
88742355bece7159832a467e5d5476fd6a65f65c82334c8f6b7290163ae7a36a

SHA512
e5970002840f52fa6a8df95c7eb4332391b073945243fc36a168d0dd7c6437a243b4ce20655bb28aaab815457ce6d72e54862b0c7f9e4bb24e82f49eab70bb40

Download Submit
memory/1552-157-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/1552-154-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/1552-159-0x0000000000400000-0x0000000000731000-memory.dmp

Filesize
3.2MB

Download
memory/2172-138-0x0000000000300000-0x0000000000A74000-memory.dmp

Filesize
7.5MB

Download
memory/2172-139-0x0000000001280000-0x00000000012A2000-memory.dmp

Filesize
136KB

Download
memory/2260-147-0x00000000060B0000-0x00000000060CA000-memory.dmp

Filesize
104KB

Download
memory/2260-146-0x00000000073E0000-0x0000000007A5A000-memory.dmp

Filesize
6.5MB

Download
memory/2260-145-0x0000000005BA0000-0x0000000005BBE000-memory.dmp

Filesize
120KB

Download
memory/2260-144-0x0000000005430000-0x0000000005496000-memory.dmp

Filesize
408KB

Download
memory/2260-143-0x0000000004D80000-0x0000000004DE6000-memory.dmp

Filesize
408KB

Download
memory/2260-142-0x0000000004E00000-0x0000000005428000-memory.dmp

Filesize
6.2MB

Download
memory/2260-141-0x00000000025C0000-0x00000000025F6000-memory.dmp

Filesize
216KB

Download

Analysis

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