hawkeye | 5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a

General

Target

5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe
Size

1.1MB
MD5

a65c60e28553d2f1b3109cf00a7130d3
SHA1

34794cf2cadaad7d4681b9940cc880389bc33e37
SHA256

5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a
SHA512

6b05f3e0ab05a8887a37a5e4baaf93c4769c28ed4a9f14de055959308dc25bdcd9dcb6edf0ba6440b489fc04bd3640239c6fc695eba748c33f73d92b2061e2bd

Score

10^/10

hawkeye keylogger persistence spyware stealer trojan upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.casalsmd.com
Port:
587
Username:
carolina@casalsmd.com
Password:
Carolina123

Signatures

HawkEye
HawkEye is a malware kit that has seen continuous development since at least 2013.
keylogger trojan stealer spyware hawkeye
Executes dropped EXE 2 IoCs

Processes:

Windows Update.exeWindows Update.exe

pid process

4172 Windows Update.exe
3988 Windows Update.exe

pid	process
4172	Windows Update.exe
3988	Windows Update.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/60-1-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/60-3-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/60-4-0x0000000000400000-0x000000000051D000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

Windows Update.exe

pid process

3988 Windows Update.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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
3988	Windows Update.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-1-5-21-3341490333-719741536-2920803124-1000\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 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 4 IoCs

Processes:

5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exeWindows Update.exeWindows Update.exe

description	pid	process	target process
PID 4644 set thread context of 60	4644	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe
PID 4172 set thread context of 3988	4172	Windows Update.exe	Windows Update.exe
PID 3988 set thread context of 416	3988	Windows Update.exe	vbc.exe
PID 3988 set thread context of 648	3988	Windows Update.exe	vbc.exe

Modifies registry class 4 IoCs

Processes:

Windows Update.exe5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Windows Update.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Windows Update.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exeWindows Update.exevbc.exeWindows Update.exe

pid	process
4644	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe
4644	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe
4172	Windows Update.exe
4172	Windows Update.exe
648	vbc.exe
648	vbc.exe
3988	Windows Update.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exeWindows Update.exe

pid process

4644 5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe
4172 Windows Update.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Windows Update.exe

description pid process

Token: SeDebugPrivilege 3988 Windows Update.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Windows Update.exe

pid process

3988 Windows Update.exe

description	pid	process
Token: SeDebugPrivilege	3988	Windows Update.exe

pid	process
3988	Windows Update.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exeWindows Update.exeWindows Update.exe

description	pid	process	target process
PID 4644 wrote to memory of 60	4644	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe
PID 4644 wrote to memory of 60	4644	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe
PID 4644 wrote to memory of 60	4644	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe
PID 60 wrote to memory of 4172	60	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe	Windows Update.exe
PID 60 wrote to memory of 4172	60	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe	Windows Update.exe
PID 60 wrote to memory of 4172	60	5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe	Windows Update.exe
PID 4172 wrote to memory of 3988	4172	Windows Update.exe	Windows Update.exe
PID 4172 wrote to memory of 3988	4172	Windows Update.exe	Windows Update.exe
PID 4172 wrote to memory of 3988	4172	Windows Update.exe	Windows Update.exe
PID 3988 wrote to memory of 416	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 416	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 416	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 416	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 416	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 416	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 416	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 416	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 416	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 648	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 648	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 648	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 648	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 648	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 648	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 648	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 648	3988	Windows Update.exe	vbc.exe
PID 3988 wrote to memory of 648	3988	Windows Update.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe
"C:\Users\Admin\AppData\Local\Temp\5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4644

C:\Users\Admin\AppData\Local\Temp\5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe
"C:\Users\Admin\AppData\Local\Temp\5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:60

C:\Users\Admin\AppData\Roaming\Windows Update.exe
"C:\Users\Admin\AppData\Roaming\Windows Update.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4172

C:\Users\Admin\AppData\Roaming\Windows Update.exe
"C:\Users\Admin\AppData\Roaming\Windows Update.exe"
4⤵
- 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:3988

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"
5⤵
PID:416

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"
5⤵
- Suspicious behavior: EnumeratesProcesses
PID:648

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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
MD5
f028b9e6eabd0854fce98a2396d57f20

SHA1
79e9604076939ee060992cdbcc81e50bc104317b

SHA256
13c95713727b44df302ad0b3df2e04687f6a428489558c2c56bea67cd5387c9f

SHA512
54b5e65626ffa398942e8e49ce197ed95367f9d9180b4c7d43b351afa7bd87fa62bed479cb63fc4ffbc55e6a522a51794c9cd6e8bf76c679ee2ae8c5639aaf0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
MD5
f94dc819ca773f1e3cb27abbc9e7fa27

SHA1
9a7700efadc5ea09ab288544ef1e3cd876255086

SHA256
a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

SHA512
72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
MD5
a65c60e28553d2f1b3109cf00a7130d3

SHA1
34794cf2cadaad7d4681b9940cc880389bc33e37

SHA256
5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a

SHA512
6b05f3e0ab05a8887a37a5e4baaf93c4769c28ed4a9f14de055959308dc25bdcd9dcb6edf0ba6440b489fc04bd3640239c6fc695eba748c33f73d92b2061e2bd

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
MD5
a65c60e28553d2f1b3109cf00a7130d3

SHA1
34794cf2cadaad7d4681b9940cc880389bc33e37

SHA256
5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a

SHA512
6b05f3e0ab05a8887a37a5e4baaf93c4769c28ed4a9f14de055959308dc25bdcd9dcb6edf0ba6440b489fc04bd3640239c6fc695eba748c33f73d92b2061e2bd

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
MD5
a65c60e28553d2f1b3109cf00a7130d3

SHA1
34794cf2cadaad7d4681b9940cc880389bc33e37

SHA256
5b5c40a87df0ef2e2bf553025033885176bb0e016fb1f9661d8131be6b46764a

SHA512
6b05f3e0ab05a8887a37a5e4baaf93c4769c28ed4a9f14de055959308dc25bdcd9dcb6edf0ba6440b489fc04bd3640239c6fc695eba748c33f73d92b2061e2bd

Download Submit
memory/60-5-0x0000000002320000-0x00000000023A8000-memory.dmp

Filesize
544KB

Download
memory/60-1-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/60-4-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/60-3-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/60-6-0x0000000002312000-0x0000000002313000-memory.dmp

Filesize
4KB

Download
memory/60-2-0x000000000051B4D0-mapping.dmp

Download
memory/416-20-0x0000000000411654-mapping.dmp

Download
memory/416-21-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/416-19-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/648-24-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/648-23-0x0000000000442628-mapping.dmp

Download
memory/648-22-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3988-17-0x0000000002272000-0x0000000002273000-memory.dmp

Filesize
4KB

Download
memory/3988-16-0x0000000002310000-0x0000000002398000-memory.dmp

Filesize
544KB

Download
memory/3988-12-0x000000000051B4D0-mapping.dmp

Download
memory/4172-10-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/4172-7-0x0000000000000000-mapping.dmp

Download
memory/4644-0-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads