hawkeye | 996f3a9bdd016b9fb9926bcb01a4b3e91f181fb5dba177ddc92e02f31d3dfb8d

General

Target

readme.__________txt.exe
Size

544KB
MD5

833d9ac9077ce6415450e05a3ec20f14
SHA1

887ec9ff2fc9d4cc8223277d0348e7f7f51d0c88
SHA256

744df077822f8801d301ac27ef90c2249e0f04049bfbaa8abebc47dc168951f0
SHA512

ad5e758fdb547bf67249742113f05c3a7b93a53e14c2c0f06c368b3d657fd6cb525b41e96d7817e3654eb48f3c0d6aca59837ebd69b7f0749b211a9a92d14de2
SSDEEP

6144:cu+GnD5bS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9ni:1QtqB5urTIoYWBQk1E+VF9mOx9nw00

Score

10^/10

hawkeye collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
preston99

Signatures

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

NirSoft MailPassView 5 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral3/memory/820-57-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral3/memory/820-58-0x0000000000411654-mapping.dmp	MailPassView
behavioral3/memory/820-61-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral3/memory/820-63-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral3/memory/820-64-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 5 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral3/memory/1984-65-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral3/memory/1984-66-0x0000000000442628-mapping.dmp	WebBrowserPassView
behavioral3/memory/1984-69-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral3/memory/1984-70-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral3/memory/1984-73-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView

Nirsoft 10 IoCs

Processes:

resource	yara_rule
behavioral3/memory/820-57-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral3/memory/820-58-0x0000000000411654-mapping.dmp	Nirsoft
behavioral3/memory/820-61-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral3/memory/820-63-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral3/memory/820-64-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral3/memory/1984-65-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral3/memory/1984-66-0x0000000000442628-mapping.dmp	Nirsoft
behavioral3/memory/1984-69-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral3/memory/1984-70-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral3/memory/1984-73-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft

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
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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

readme.__________txt.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe"	readme.__________txt.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 whatismyipaddress.com
7 whatismyipaddress.com
8 whatismyipaddress.com

flow	ioc
5	whatismyipaddress.com
7	whatismyipaddress.com
8	whatismyipaddress.com

Suspicious use of SetThreadContext 2 IoCs

Processes:

readme.__________txt.exe

description	pid	process	target process
PID 516 set thread context of 820	516	readme.__________txt.exe	vbc.exe
PID 516 set thread context of 1984	516	readme.__________txt.exe	vbc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

readme.__________txt.exe

pid process

516 readme.__________txt.exe
516 readme.__________txt.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

readme.__________txt.exe

description pid process

Token: SeDebugPrivilege 516 readme.__________txt.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

readme.__________txt.exe

pid process

516 readme.__________txt.exe

pid	process
516	readme.__________txt.exe
516	readme.__________txt.exe

description	pid	process
Token: SeDebugPrivilege	516	readme.__________txt.exe

pid	process
516	readme.__________txt.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

readme.__________txt.exe

description	pid	process	target process
PID 516 wrote to memory of 820	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 820	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 820	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 820	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 820	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 820	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 820	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 820	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 820	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 820	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 1984	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 1984	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 1984	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 1984	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 1984	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 1984	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 1984	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 1984	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 1984	516	readme.__________txt.exe	vbc.exe
PID 516 wrote to memory of 1984	516	readme.__________txt.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\readme.__________txt.exe
"C:\Users\Admin\AppData\Local\Temp\readme.__________txt.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:516

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"
2⤵
- Accesses Microsoft Outlook accounts
PID:820

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"
2⤵
PID:1984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\holdermail.txt
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/516-62-0x0000000000295000-0x00000000002A6000-memory.dmp

Filesize
68KB

Download
memory/516-55-0x0000000074960000-0x0000000074F0B000-memory.dmp

Filesize
5.7MB

Download
memory/516-56-0x0000000074960000-0x0000000074F0B000-memory.dmp

Filesize
5.7MB

Download
memory/516-71-0x0000000000295000-0x00000000002A6000-memory.dmp

Filesize
68KB

Download
memory/516-54-0x0000000075F01000-0x0000000075F03000-memory.dmp

Filesize
8KB

Download
memory/820-64-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/820-63-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/820-61-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/820-58-0x0000000000411654-mapping.dmp

Download
memory/820-57-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1984-65-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1984-66-0x0000000000442628-mapping.dmp

Download
memory/1984-69-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1984-70-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1984-73-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads