hawkeye | 5c789f2a59680e623471992d88669b2b647f591c2a9a4deffef8fc0d6d10e5fd

General

Target

5c789f2a59680e623471992d88669b2b647f591c2a9a4deffef8fc0d6d10e5fd.exe
Size

1.2MB
MD5

75684f829aff242f682fb9959cd33c5e
SHA1

6256f770e8d0f290a4a0122017e206c2a6f7aa16
SHA256

5c789f2a59680e623471992d88669b2b647f591c2a9a4deffef8fc0d6d10e5fd
SHA512

2a361fd57dc79588b998e548a71a8c37fe3eb69f531d4e338d0629cf310e07514571aca3f5111994e70bc8121d3861a03d76217c3245c23185fe32667d0974a2

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 6 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE	MailPassView
C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE	MailPassView
behavioral2/memory/3172-135-0x0000000000000000-mapping.dmp	MailPassView
behavioral2/memory/3172-136-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/3172-138-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/3172-139-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 7 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE	WebBrowserPassView
C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE	WebBrowserPassView
behavioral2/memory/2336-140-0x0000000000000000-mapping.dmp	WebBrowserPassView
behavioral2/memory/2336-141-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/2336-143-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/2336-144-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/2336-145-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView

Nirsoft 11 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE	Nirsoft
C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE	Nirsoft
behavioral2/memory/3172-135-0x0000000000000000-mapping.dmp	Nirsoft
behavioral2/memory/3172-136-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/3172-138-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/3172-139-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/2336-140-0x0000000000000000-mapping.dmp	Nirsoft
behavioral2/memory/2336-141-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/2336-143-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/2336-144-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/2336-145-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft

Executes dropped EXE 1 IoCs

Processes:

57yhyh.ExE

pid process

4736 57yhyh.ExE
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-1-5-21-1101907861-274115917-2188613224-1000\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:

57yhyh.ExE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe"	57yhyh.ExE

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

24 whatismyipaddress.com
Suspicious use of SetThreadContext 2 IoCs

Processes:

57yhyh.ExE

description pid process target process

PID 4736 set thread context of 3172 4736 57yhyh.ExE vbc.exe
PID 4736 set thread context of 2336 4736 57yhyh.ExE vbc.exe

flow	ioc
24	whatismyipaddress.com

description	pid	process	target process
PID 4736 set thread context of 3172	4736	57yhyh.ExE	vbc.exe
PID 4736 set thread context of 2336	4736	57yhyh.ExE	vbc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

57yhyh.ExE

pid	process
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE
4736	57yhyh.ExE

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

57yhyh.ExE

description pid process

Token: SeDebugPrivilege 4736 57yhyh.ExE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

57yhyh.ExE

pid process

4736 57yhyh.ExE

description	pid	process
Token: SeDebugPrivilege	4736	57yhyh.ExE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

5c789f2a59680e623471992d88669b2b647f591c2a9a4deffef8fc0d6d10e5fd.exe57yhyh.ExE

description	pid	process	target process
PID 2172 wrote to memory of 4736	2172	5c789f2a59680e623471992d88669b2b647f591c2a9a4deffef8fc0d6d10e5fd.exe	57yhyh.ExE
PID 2172 wrote to memory of 4736	2172	5c789f2a59680e623471992d88669b2b647f591c2a9a4deffef8fc0d6d10e5fd.exe	57yhyh.ExE
PID 2172 wrote to memory of 4736	2172	5c789f2a59680e623471992d88669b2b647f591c2a9a4deffef8fc0d6d10e5fd.exe	57yhyh.ExE
PID 4736 wrote to memory of 3172	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 3172	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 3172	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 3172	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 3172	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 3172	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 3172	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 3172	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 3172	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 2336	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 2336	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 2336	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 2336	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 2336	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 2336	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 2336	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 2336	4736	57yhyh.ExE	vbc.exe
PID 4736 wrote to memory of 2336	4736	57yhyh.ExE	vbc.exe

C:\Users\Admin\AppData\Local\Temp\5c789f2a59680e623471992d88669b2b647f591c2a9a4deffef8fc0d6d10e5fd.exe
"C:\Users\Admin\AppData\Local\Temp\5c789f2a59680e623471992d88669b2b647f591c2a9a4deffef8fc0d6d10e5fd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2172

C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE
C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE
2⤵
- Executes dropped EXE
- 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:4736

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"
3⤵
- Accesses Microsoft Outlook accounts
PID:3172

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"
3⤵
PID:2336

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

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE
Filesize
521KB

MD5
ab418760574d0fa537f3ce9fc8871180

SHA1
20fe138ca27ed40dfe9f079ce400553a59efbdb5

SHA256
51732a18274b436669fc01518dfcdda8ae51bebfc3b827d9ad18cb538d3e91c5

SHA512
8aeda7dc0dcf96e4cc295d1336bdc85f560be1b06123664754538f65fb552268dc68aa61ee945a633708a511fa068fdd03bb68eac9b9d2fed94d6a5b1fe27e93

Download Submit
C:\Users\Admin\AppData\Local\Temp\57yhyh.ExE
Filesize
521KB

MD5
ab418760574d0fa537f3ce9fc8871180

SHA1
20fe138ca27ed40dfe9f079ce400553a59efbdb5

SHA256
51732a18274b436669fc01518dfcdda8ae51bebfc3b827d9ad18cb538d3e91c5

SHA512
8aeda7dc0dcf96e4cc295d1336bdc85f560be1b06123664754538f65fb552268dc68aa61ee945a633708a511fa068fdd03bb68eac9b9d2fed94d6a5b1fe27e93

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

MD5
f94dc819ca773f1e3cb27abbc9e7fa27

SHA1
9a7700efadc5ea09ab288544ef1e3cd876255086

SHA256
a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

SHA512
72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

Download Submit
memory/2336-140-0x0000000000000000-mapping.dmp

Download
memory/2336-145-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2336-144-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2336-143-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2336-141-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3172-136-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3172-139-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3172-138-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3172-135-0x0000000000000000-mapping.dmp

Download
memory/4736-134-0x0000000074450000-0x0000000074A01000-memory.dmp

Filesize
5.7MB

Download
memory/4736-133-0x0000000074450000-0x0000000074A01000-memory.dmp

Filesize
5.7MB

Download
memory/4736-130-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads