hawkeye_reborn | c9686db7d064daa4032a757698c937f4e781c2201d223448c7b6ad2edff6eb0b

General

Target

INV001.exe
Size

2.0MB
MD5

c30f96608053c958da9b1174ce71b000
SHA1

ddb1ac016525336bdde4dabbdfc51868da00d652
SHA256

c9686db7d064daa4032a757698c937f4e781c2201d223448c7b6ad2edff6eb0b
SHA512

cb9767853b7972486084c4d25c665910d44b677eab0a13538ed73e0d1e22e4c71bbffa87d02e6206efa6874c3f5460ea623fc41d4074b99908a73e551fa5b617

Score

10^/10

keylogger trojan stealer spyware hawkeye_reborn

Malware Config

Signatures

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 bot.whatismyipaddress.com
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

INV001.exe

pid process

1668 INV001.exe
1668 INV001.exe
1668 INV001.exe

flow	ioc
1	bot.whatismyipaddress.com

pid	process
1668	INV001.exe
1668	INV001.exe
1668	INV001.exe

Drops startup file 1 IoCs

Processes:

INV001.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CheckNetIsolation.url	INV001.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

INV001.exe

pid process

1668 INV001.exe

pid	process
1668	INV001.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

INV001.exeRegAsm.exe

description	pid	process	target process
PID 1668 set thread context of 4092	1668	INV001.exe	RegAsm.exe
PID 4092 set thread context of 3836	4092	RegAsm.exe	vbc.exe
PID 4092 set thread context of 4084	4092	RegAsm.exe	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

4092 RegAsm.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

992 timeout.exe
HawkEye Reborn
HawkEye Reborn is an enchanced version of the HawkEye malware kit.
keylogger trojan stealer spyware hawkeye_reborn
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

INV001.exe

pid process

1668 INV001.exe
1668 INV001.exe
1668 INV001.exe

pid	process
4092	RegAsm.exe

pid	process
992	timeout.exe

pid	process
1668	INV001.exe
1668	INV001.exe
1668	INV001.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

INV001.execmd.exeRegAsm.exe

description	pid	process	target process
PID 1668 wrote to memory of 4092	1668	INV001.exe	RegAsm.exe
PID 1668 wrote to memory of 4092	1668	INV001.exe	RegAsm.exe
PID 1668 wrote to memory of 4092	1668	INV001.exe	RegAsm.exe
PID 1668 wrote to memory of 4092	1668	INV001.exe	RegAsm.exe
PID 1668 wrote to memory of 4036	1668	INV001.exe	cmd.exe
PID 1668 wrote to memory of 4036	1668	INV001.exe	cmd.exe
PID 1668 wrote to memory of 4036	1668	INV001.exe	cmd.exe
PID 4036 wrote to memory of 992	4036	cmd.exe	timeout.exe
PID 4036 wrote to memory of 992	4036	cmd.exe	timeout.exe
PID 4036 wrote to memory of 992	4036	cmd.exe	timeout.exe
PID 4092 wrote to memory of 3836	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 3836	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 3836	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 3836	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 3836	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 3836	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 3836	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 3836	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 3836	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 4084	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 4084	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 4084	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 4084	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 4084	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 4084	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 4084	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 4084	4092	RegAsm.exe	vbc.exe
PID 4092 wrote to memory of 4084	4092	RegAsm.exe	vbc.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

vbc.exeRegAsm.exe

pid process

3836 vbc.exe
3836 vbc.exe
3836 vbc.exe
3836 vbc.exe
4092 RegAsm.exe
4092 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4092 RegAsm.exe

pid	process
3836	vbc.exe
3836	vbc.exe
3836	vbc.exe
3836	vbc.exe
4092	RegAsm.exe
4092	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4092	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\INV001.exe
"C:\Users\Admin\AppData\Local\Temp\INV001.exe"
1⤵
- Suspicious use of SendNotifyMessage
- Drops startup file
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4092

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\tmpE9D3.tmp"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3836

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\tmpF202.tmp"
3⤵
PID:4084

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\INV001.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4036

C:\Windows\SysWOW64\timeout.exe
TimeOut 1
3⤵
- Delays execution with timeout.exe
PID:992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE9D3.tmp

Download Submit
memory/3836-1-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/3836-2-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4084-4-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4084-5-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4092-0-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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