hawkeye | a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8

General

Target

a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe
Size

569KB
MD5

c57ff34e32f047e4763704099f5f8420
SHA1

6908726053097bd42859548c84f2ebb677f41aa7
SHA256

a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8
SHA512

a6fa8e932848d8f7db973232da65162fac591a56accbdd2a1b7a612c2ed0da7721f28f0a32c37fbdc67dac4bda1c2322cf3cbf22ba4c62577deb191b381fd01b
SSDEEP

6144:ibS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9GH0U:iQtqB5urTIoYWBQk1E+VF9mOx9PU

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
\Users\Admin\AppData\Roaming\Windows Update.exe	MailPassView
C:\Users\Admin\AppData\Roaming\Windows Update.exe	MailPassView
C:\Users\Admin\AppData\Roaming\Windows Update.exe	MailPassView
behavioral1/memory/1740-65-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1740-66-0x0000000000411654-mapping.dmp	MailPassView
behavioral1/memory/1740-69-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1740-70-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1740-78-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 7 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\Windows Update.exe	WebBrowserPassView
C:\Users\Admin\AppData\Roaming\Windows Update.exe	WebBrowserPassView
C:\Users\Admin\AppData\Roaming\Windows Update.exe	WebBrowserPassView
behavioral1/memory/304-71-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral1/memory/304-72-0x0000000000442628-mapping.dmp	WebBrowserPassView
behavioral1/memory/304-75-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral1/memory/304-76-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView

Nirsoft 12 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\Windows Update.exe	Nirsoft
C:\Users\Admin\AppData\Roaming\Windows Update.exe	Nirsoft
C:\Users\Admin\AppData\Roaming\Windows Update.exe	Nirsoft
behavioral1/memory/1740-65-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1740-66-0x0000000000411654-mapping.dmp	Nirsoft
behavioral1/memory/1740-69-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1740-70-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/304-71-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/304-72-0x0000000000442628-mapping.dmp	Nirsoft
behavioral1/memory/304-75-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/304-76-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/1740-78-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft

Executes dropped EXE 1 IoCs

Processes:

Windows Update.exe

pid process

556 Windows Update.exe
Deletes itself 1 IoCs

Processes:

Windows Update.exe

pid process

556 Windows Update.exe
Loads dropped DLL 1 IoCs

Processes:

a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe

pid process

956 a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.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

pid	process
956	a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe

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:

Windows Update.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"	Windows Update.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

7 whatismyipaddress.com
4 whatismyipaddress.com
6 whatismyipaddress.com

flow	ioc
7	whatismyipaddress.com
4	whatismyipaddress.com
6	whatismyipaddress.com

Suspicious use of SetThreadContext 2 IoCs

Processes:

Windows Update.exe

description	pid	process	target process
PID 556 set thread context of 1740	556	Windows Update.exe	vbc.exe
PID 556 set thread context of 304	556	Windows Update.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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Windows Update.exe

pid	process
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe
556	Windows Update.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Windows Update.exe

description pid process

Token: SeDebugPrivilege 556 Windows Update.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Windows Update.exe

pid process

556 Windows Update.exe

description	pid	process
Token: SeDebugPrivilege	556	Windows Update.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exeWindows Update.exe

description	pid	process	target process
PID 956 wrote to memory of 556	956	a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe	Windows Update.exe
PID 956 wrote to memory of 556	956	a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe	Windows Update.exe
PID 956 wrote to memory of 556	956	a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe	Windows Update.exe
PID 956 wrote to memory of 556	956	a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe	Windows Update.exe
PID 956 wrote to memory of 556	956	a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe	Windows Update.exe
PID 956 wrote to memory of 556	956	a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe	Windows Update.exe
PID 956 wrote to memory of 556	956	a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe	Windows Update.exe
PID 556 wrote to memory of 1740	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 1740	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 1740	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 1740	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 1740	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 1740	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 1740	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 1740	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 1740	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 1740	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 304	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 304	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 304	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 304	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 304	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 304	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 304	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 304	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 304	556	Windows Update.exe	vbc.exe
PID 556 wrote to memory of 304	556	Windows Update.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe
"C:\Users\Admin\AppData\Local\Temp\a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:956

C:\Users\Admin\AppData\Roaming\Windows Update.exe
"C:\Users\Admin\AppData\Roaming\Windows Update.exe"
2⤵
- Executes dropped EXE
- Deletes itself
- 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:556

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:1740

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:304

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

System Information Discovery

1

T1082

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\SysInfo.txt
Filesize
102B

MD5
75a94679a0b0f2c1f1d1312f210ea827

SHA1
451c4063711c4bff681a1400dfd0a6db3f50baa6

SHA256
9ec4eff7fab4ba7b4cf6673fe345ef125bb2ec4e9ef2f3241811bad10f94757d

SHA512
2e3e876fb0ee51c02ebfbed5ae2f41979f9c9fd1577840410d7ced5ae4a23c8d0a632afe3531eb22c0468575a7fc0efd7235ef6bb7536145543ff0558a9698fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
Filesize
569KB

MD5
c57ff34e32f047e4763704099f5f8420

SHA1
6908726053097bd42859548c84f2ebb677f41aa7

SHA256
a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8

SHA512
a6fa8e932848d8f7db973232da65162fac591a56accbdd2a1b7a612c2ed0da7721f28f0a32c37fbdc67dac4bda1c2322cf3cbf22ba4c62577deb191b381fd01b

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
Filesize
569KB

MD5
c57ff34e32f047e4763704099f5f8420

SHA1
6908726053097bd42859548c84f2ebb677f41aa7

SHA256
a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8

SHA512
a6fa8e932848d8f7db973232da65162fac591a56accbdd2a1b7a612c2ed0da7721f28f0a32c37fbdc67dac4bda1c2322cf3cbf22ba4c62577deb191b381fd01b

Download Submit
\Users\Admin\AppData\Roaming\Windows Update.exe
Filesize
569KB

MD5
c57ff34e32f047e4763704099f5f8420

SHA1
6908726053097bd42859548c84f2ebb677f41aa7

SHA256
a12837f796014284c445d9e67a8c5a4f0bfa0ed552415b25b497b0be08dc91c8

SHA512
a6fa8e932848d8f7db973232da65162fac591a56accbdd2a1b7a612c2ed0da7721f28f0a32c37fbdc67dac4bda1c2322cf3cbf22ba4c62577deb191b381fd01b

Download Submit
memory/304-72-0x0000000000442628-mapping.dmp

Download
memory/304-71-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/304-76-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/304-75-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/556-62-0x00000000742A0000-0x000000007484B000-memory.dmp

Filesize
5.7MB

Download
memory/556-57-0x0000000000000000-mapping.dmp

Download
memory/556-64-0x00000000742A0000-0x000000007484B000-memory.dmp

Filesize
5.7MB

Download
memory/956-54-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download
memory/956-61-0x00000000742A0000-0x000000007484B000-memory.dmp

Filesize
5.7MB

Download
memory/956-55-0x00000000742A0000-0x000000007484B000-memory.dmp

Filesize
5.7MB

Download
memory/1740-70-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1740-69-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1740-66-0x0000000000411654-mapping.dmp

Download
memory/1740-65-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1740-78-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads