Malware Analysis Report

2024-09-22 10:50

Sample ID 240708-y7kdhszard
Target skin igorek OSU!.exe
SHA256 4fc00071f596b62d408a682bb80b7736fd46c87f212f6d0fe995bf6e8a40c15b
Tags
hawkeye collection keylogger persistence spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4fc00071f596b62d408a682bb80b7736fd46c87f212f6d0fe995bf6e8a40c15b

Threat Level: Known bad

The file skin igorek OSU!.exe was found to be: Known bad.

Malicious Activity Summary

hawkeye collection keylogger persistence spyware stealer trojan

HawkEye

Nirsoft

NirSoft WebBrowserPassView

NirSoft MailPassView

Nirsoft

Uses the VBS compiler for execution

Looks up external IP address via web service

Accesses Microsoft Outlook accounts

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-08 20:25

Signatures

Nirsoft

Description Indicator Process Target
N/A N/A N/A N/A

NirSoft MailPassView

Description Indicator Process Target
N/A N/A N/A N/A

NirSoft WebBrowserPassView

Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-08 20:25

Reported

2024-07-08 20:31

Platform

win7-20240704-de

Max time kernel

209s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe"

Signatures

HawkEye

keylogger trojan stealer spyware hawkeye

NirSoft MailPassView

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

NirSoft WebBrowserPassView

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Nirsoft

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Uses the VBS compiler for execution

Accesses Microsoft Outlook accounts

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A whatismyipaddress.com N/A N/A
N/A whatismyipaddress.com N/A N/A
N/A whatismyipaddress.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2788 set thread context of 2064 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 set thread context of 1396 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2788 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 2064 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2788 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe

"C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"

Network

Country Destination Domain Proto
US 8.8.8.8:53 whatismyipaddress.com udp
US 104.19.222.79:80 whatismyipaddress.com tcp
US 104.19.222.79:443 whatismyipaddress.com tcp
US 104.19.222.79:443 whatismyipaddress.com tcp
US 8.8.8.8:53 poczta.interia.pl udp
PL 217.74.64.236:587 poczta.interia.pl tcp
PL 217.74.64.236:587 poczta.interia.pl tcp

Files

memory/2788-0-0x0000000074321000-0x0000000074322000-memory.dmp

memory/2788-1-0x0000000074320000-0x00000000748CB000-memory.dmp

memory/2788-2-0x0000000074320000-0x00000000748CB000-memory.dmp

memory/2788-7-0x0000000074320000-0x00000000748CB000-memory.dmp

memory/2788-8-0x0000000074320000-0x00000000748CB000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab788C.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar78CD.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/2064-61-0x0000000000400000-0x000000000041B000-memory.dmp

memory/2064-63-0x0000000000400000-0x000000000041B000-memory.dmp

memory/2064-64-0x0000000000400000-0x000000000041B000-memory.dmp

memory/2064-67-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1396-68-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1396-70-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1396-71-0x0000000000400000-0x0000000000458000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\holderwb.txt

MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

memory/1396-76-0x0000000000460000-0x00000000004C7000-memory.dmp

memory/1396-79-0x0000000000400000-0x0000000000458000-memory.dmp

memory/2788-80-0x0000000074320000-0x00000000748CB000-memory.dmp

memory/2788-125-0x0000000074320000-0x00000000748CB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-08 20:25

Reported

2024-07-08 20:31

Platform

win10-20240404-de

Max time kernel

210s

Max time network

259s

Command Line

"C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe"

Signatures

HawkEye

keylogger trojan stealer spyware hawkeye

NirSoft MailPassView

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

NirSoft WebBrowserPassView

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Nirsoft

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Uses the VBS compiler for execution

Accesses Microsoft Outlook accounts

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A whatismyipaddress.com N/A N/A
N/A whatismyipaddress.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1976 set thread context of 204 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 set thread context of 1440 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1976 wrote to memory of 204 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 204 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 204 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 204 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 204 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 204 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 204 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 204 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 204 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1976 wrote to memory of 1440 N/A C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe

"C:\Users\Admin\AppData\Local\Temp\skin igorek OSU!.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"

Network

Country Destination Domain Proto
US 8.8.8.8:53 whatismyipaddress.com udp
US 104.19.223.79:80 whatismyipaddress.com tcp
US 104.19.223.79:443 whatismyipaddress.com tcp
US 8.8.8.8:53 poczta.interia.pl udp
PL 217.74.64.236:587 poczta.interia.pl tcp
US 8.8.8.8:53 79.223.19.104.in-addr.arpa udp
US 8.8.8.8:53 236.64.74.217.in-addr.arpa udp
PL 217.74.64.236:587 poczta.interia.pl tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/1976-0-0x0000000073E71000-0x0000000073E72000-memory.dmp

memory/1976-1-0x0000000073E70000-0x0000000074420000-memory.dmp

memory/1976-2-0x0000000073E70000-0x0000000074420000-memory.dmp

memory/1976-7-0x0000000073E70000-0x0000000074420000-memory.dmp

memory/204-8-0x0000000000400000-0x000000000041B000-memory.dmp

memory/204-10-0x0000000000400000-0x000000000041B000-memory.dmp

memory/204-13-0x0000000000400000-0x000000000041B000-memory.dmp

memory/204-11-0x0000000000420000-0x00000000004E5000-memory.dmp

memory/1976-14-0x0000000073E70000-0x0000000074420000-memory.dmp

memory/1440-15-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1440-17-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1440-19-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1976-18-0x0000000073E70000-0x0000000074420000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\holderwb.txt

MD5 f94dc819ca773f1e3cb27abbc9e7fa27
SHA1 9a7700efadc5ea09ab288544ef1e3cd876255086
SHA256 a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA512 72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

memory/1440-27-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1976-28-0x0000000073E70000-0x0000000074420000-memory.dmp

memory/1976-29-0x0000000073E70000-0x0000000074420000-memory.dmp

memory/1976-30-0x0000000073E70000-0x0000000074420000-memory.dmp