hawkeye | fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c

General

Target

fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c.exe
Size

524KB
MD5

8a856f4f1e3353cadcb0203f90af8107
SHA1

d7eecc93c520134d067117f6b4a508d9cbf5e881
SHA256

fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c
SHA512

330b30a9da0a5034ff9271a90b7716a6d9d9121fc283a49b415e1b7a494a7afeba6e4aa31dc7d8207c1d692f6cbf64cb49fd273ef8b1fc043057d4ad14840a66
SSDEEP

12288:14Q/riw/ULolvsVtjTETYzfuVSYcDD4MMMMMMMMMMMMMMMMMMqHMMMMMMMMMMMMi:1RHU8OJzfu4YCD4MMMMMMMMMMMMMMMMr

Score

10^/10

hawkeye collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

HawkEye
HawkEye is a malware kit that has seen continuous development since at least 2013.
keylogger trojan stealer spyware hawkeye

NirSoft MailPassView 8 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/1284-138-0x0000000000000000-mapping.dmp	MailPassView
behavioral2/memory/1284-139-0x0000000000400000-0x000000000049A000-memory.dmp	MailPassView
behavioral2/memory/1284-140-0x0000000000400000-0x000000000049A000-memory.dmp	MailPassView
behavioral2/memory/1284-141-0x0000000000400000-0x000000000049A000-memory.dmp	MailPassView
behavioral2/memory/3840-150-0x0000000000000000-mapping.dmp	MailPassView
behavioral2/memory/3840-151-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/3840-153-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/3840-154-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 9 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/1284-138-0x0000000000000000-mapping.dmp	WebBrowserPassView
behavioral2/memory/1284-139-0x0000000000400000-0x000000000049A000-memory.dmp	WebBrowserPassView
behavioral2/memory/1284-140-0x0000000000400000-0x000000000049A000-memory.dmp	WebBrowserPassView
behavioral2/memory/1284-141-0x0000000000400000-0x000000000049A000-memory.dmp	WebBrowserPassView
behavioral2/memory/4084-157-0x0000000000000000-mapping.dmp	WebBrowserPassView
behavioral2/memory/4084-158-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/4084-160-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/4084-161-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/4084-163-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView

Nirsoft 13 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1284-138-0x0000000000000000-mapping.dmp	Nirsoft
behavioral2/memory/1284-139-0x0000000000400000-0x000000000049A000-memory.dmp	Nirsoft
behavioral2/memory/1284-140-0x0000000000400000-0x000000000049A000-memory.dmp	Nirsoft
behavioral2/memory/1284-141-0x0000000000400000-0x000000000049A000-memory.dmp	Nirsoft
behavioral2/memory/3840-150-0x0000000000000000-mapping.dmp	Nirsoft
behavioral2/memory/3840-151-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/3840-153-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/3840-154-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4084-157-0x0000000000000000-mapping.dmp	Nirsoft
behavioral2/memory/4084-158-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/4084-160-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/4084-161-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/4084-163-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft

Executes dropped EXE 3 IoCs

Processes:

winlogon.exewinlogon.execsrss.exe

pid process

1696 winlogon.exe
1284 winlogon.exe
3732 csrss.exe

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

Processes:

fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c.exewinlogon.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	winlogon.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winlogon.exewinlogon.execsrss.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe"	csrss.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\SubFolder\\SubFolder\\winlogon.exe"	csrss.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

17 whatismyipaddress.com
19 whatismyipaddress.com

flow	ioc
17	whatismyipaddress.com
19	whatismyipaddress.com

Suspicious use of SetThreadContext 3 IoCs

Processes:

winlogon.exewinlogon.exe

description	pid	process	target process
PID 1696 set thread context of 1284	1696	winlogon.exe	winlogon.exe
PID 1284 set thread context of 3840	1284	winlogon.exe	vbc.exe
PID 1284 set thread context of 4084	1284	winlogon.exe	vbc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

winlogon.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ winlogon.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	winlogon.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

winlogon.execsrss.exe

pid	process
1696	winlogon.exe
1696	winlogon.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe
3732	csrss.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

winlogon.execsrss.exewinlogon.exe

description	pid	process
Token: SeDebugPrivilege	1696	winlogon.exe
Token: SeDebugPrivilege	1696	winlogon.exe
Token: SeDebugPrivilege	3732	csrss.exe
Token: SeDebugPrivilege	3732	csrss.exe
Token: SeDebugPrivilege	1284	winlogon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

winlogon.exe

pid process

1284 winlogon.exe

pid	process
1284	winlogon.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 4864 wrote to memory of 1696	4864	fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c.exe	winlogon.exe
PID 4864 wrote to memory of 1696	4864	fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c.exe	winlogon.exe
PID 4864 wrote to memory of 1696	4864	fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c.exe	winlogon.exe
PID 1696 wrote to memory of 1284	1696	winlogon.exe	winlogon.exe
PID 1696 wrote to memory of 1284	1696	winlogon.exe	winlogon.exe
PID 1696 wrote to memory of 1284	1696	winlogon.exe	winlogon.exe
PID 1696 wrote to memory of 1284	1696	winlogon.exe	winlogon.exe
PID 1696 wrote to memory of 1284	1696	winlogon.exe	winlogon.exe
PID 1696 wrote to memory of 1284	1696	winlogon.exe	winlogon.exe
PID 1696 wrote to memory of 1284	1696	winlogon.exe	winlogon.exe
PID 1696 wrote to memory of 1284	1696	winlogon.exe	winlogon.exe
PID 1696 wrote to memory of 3732	1696	winlogon.exe	csrss.exe
PID 1696 wrote to memory of 3732	1696	winlogon.exe	csrss.exe
PID 1696 wrote to memory of 3732	1696	winlogon.exe	csrss.exe
PID 1284 wrote to memory of 3840	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 3840	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 3840	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 3840	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 3840	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 3840	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 3840	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 3840	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 3840	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 4084	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 4084	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 4084	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 4084	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 4084	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 4084	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 4084	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 4084	1284	winlogon.exe	vbc.exe
PID 1284 wrote to memory of 4084	1284	winlogon.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c.exe
"C:\Users\Admin\AppData\Local\Temp\fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4864

C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
"C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696

C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
"C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284

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"
4⤵
- Accesses Microsoft Outlook accounts
PID:3840

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"
4⤵
PID:4084

C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\csrss.exe
"C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\csrss.exe" -keyhide -prochide 1284 -reg C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe -proc 1284 C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\holderwb.txt
Filesize
3KB

MD5
f94dc819ca773f1e3cb27abbc9e7fa27

SHA1
9a7700efadc5ea09ab288544ef1e3cd876255086

SHA256
a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

SHA512
72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

Download Submit
C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\csrss.exe
Filesize
524KB

MD5
8a856f4f1e3353cadcb0203f90af8107

SHA1
d7eecc93c520134d067117f6b4a508d9cbf5e881

SHA256
fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c

SHA512
330b30a9da0a5034ff9271a90b7716a6d9d9121fc283a49b415e1b7a494a7afeba6e4aa31dc7d8207c1d692f6cbf64cb49fd273ef8b1fc043057d4ad14840a66

Download Submit
C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\csrss.exe
Filesize
524KB

MD5
8a856f4f1e3353cadcb0203f90af8107

SHA1
d7eecc93c520134d067117f6b4a508d9cbf5e881

SHA256
fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c

SHA512
330b30a9da0a5034ff9271a90b7716a6d9d9121fc283a49b415e1b7a494a7afeba6e4aa31dc7d8207c1d692f6cbf64cb49fd273ef8b1fc043057d4ad14840a66

Download Submit
C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
Filesize
524KB

MD5
8a856f4f1e3353cadcb0203f90af8107

SHA1
d7eecc93c520134d067117f6b4a508d9cbf5e881

SHA256
fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c

SHA512
330b30a9da0a5034ff9271a90b7716a6d9d9121fc283a49b415e1b7a494a7afeba6e4aa31dc7d8207c1d692f6cbf64cb49fd273ef8b1fc043057d4ad14840a66

Download Submit
C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
Filesize
524KB

MD5
8a856f4f1e3353cadcb0203f90af8107

SHA1
d7eecc93c520134d067117f6b4a508d9cbf5e881

SHA256
fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c

SHA512
330b30a9da0a5034ff9271a90b7716a6d9d9121fc283a49b415e1b7a494a7afeba6e4aa31dc7d8207c1d692f6cbf64cb49fd273ef8b1fc043057d4ad14840a66

Download Submit
C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
Filesize
524KB

MD5
8a856f4f1e3353cadcb0203f90af8107

SHA1
d7eecc93c520134d067117f6b4a508d9cbf5e881

SHA256
fc4d2e011c552385fa61eb398015fcac3a5131321c5049be8c02493967dcd89c

SHA512
330b30a9da0a5034ff9271a90b7716a6d9d9121fc283a49b415e1b7a494a7afeba6e4aa31dc7d8207c1d692f6cbf64cb49fd273ef8b1fc043057d4ad14840a66

Download Submit
memory/1284-140-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1284-141-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1284-139-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1284-144-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/1284-138-0x0000000000000000-mapping.dmp

Download
memory/1284-155-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/1696-149-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/1696-137-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/1696-133-0x0000000000000000-mapping.dmp

Download
memory/3732-156-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/3732-148-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/3732-145-0x0000000000000000-mapping.dmp

Download
memory/3840-150-0x0000000000000000-mapping.dmp

Download
memory/3840-151-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3840-153-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3840-154-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4084-160-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4084-157-0x0000000000000000-mapping.dmp

Download
memory/4084-158-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4084-161-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4084-163-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4864-132-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download
memory/4864-136-0x0000000075480000-0x0000000075A31000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads