hawkeye | 7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f

General

Target

7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe
Size

1.1MB
MD5

e452fc00c57b8434ad18220ee56f26e0
SHA1

6134dfdbef4ab5c9f686403236bdee856d13f80d
SHA256

7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f
SHA512

235de8822ff738b5af9095819a3184cf9b05cf0e884e55fb3e048054745b7aaf5671fbe3a64c8671469da5176626e07d1ed6dcd4d50b51dd445ede37e410ceba

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

504 Windows Update.exe
4236 Windows Update.exe

pid	process
504	Windows Update.exe
4236	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/4128-1-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/4128-3-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/4128-4-0x0000000000400000-0x000000000051D000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

Windows Update.exe

pid process

4236 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
4236	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

14 whatismyipaddress.com
16 whatismyipaddress.com

flow	ioc
14	whatismyipaddress.com
16	whatismyipaddress.com

Suspicious use of SetThreadContext 4 IoCs

Processes:

7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exeWindows Update.exeWindows Update.exe

description	pid	process	target process
PID 4644 set thread context of 4128	4644	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe
PID 504 set thread context of 4236	504	Windows Update.exe	Windows Update.exe
PID 4236 set thread context of 4420	4236	Windows Update.exe	vbc.exe
PID 4236 set thread context of 512	4236	Windows Update.exe	vbc.exe

Modifies registry class 4 IoCs

Processes:

7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exeWindows Update.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe
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	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exeWindows Update.exevbc.exeWindows Update.exe

pid	process
4644	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe
4644	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe
504	Windows Update.exe
504	Windows Update.exe
512	vbc.exe
512	vbc.exe
4236	Windows Update.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exeWindows Update.exe

pid process

4644 7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe
504 Windows Update.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Windows Update.exe

description pid process

Token: SeDebugPrivilege 4236 Windows Update.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Windows Update.exe

pid process

4236 Windows Update.exe

description	pid	process
Token: SeDebugPrivilege	4236	Windows Update.exe

pid	process
4236	Windows Update.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exeWindows Update.exeWindows Update.exe

description	pid	process	target process
PID 4644 wrote to memory of 4128	4644	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe
PID 4644 wrote to memory of 4128	4644	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe
PID 4644 wrote to memory of 4128	4644	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe
PID 4128 wrote to memory of 504	4128	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe	Windows Update.exe
PID 4128 wrote to memory of 504	4128	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe	Windows Update.exe
PID 4128 wrote to memory of 504	4128	7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe	Windows Update.exe
PID 504 wrote to memory of 4236	504	Windows Update.exe	Windows Update.exe
PID 504 wrote to memory of 4236	504	Windows Update.exe	Windows Update.exe
PID 504 wrote to memory of 4236	504	Windows Update.exe	Windows Update.exe
PID 4236 wrote to memory of 4420	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 4420	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 4420	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 4420	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 4420	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 4420	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 4420	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 4420	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 4420	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 512	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 512	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 512	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 512	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 512	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 512	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 512	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 512	4236	Windows Update.exe	vbc.exe
PID 4236 wrote to memory of 512	4236	Windows Update.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe
"C:\Users\Admin\AppData\Local\Temp\7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.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\7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe
"C:\Users\Admin\AppData\Local\Temp\7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4128

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:504

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:4236

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:4420

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:512

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
MD5
1b84a2e69cc970b65bcd5b1f173ccc4e

SHA1
0a87b524ba6c109fa7c3a4f1b1e472c3b6de642b

SHA256
22d30f673537831b0b65434e6f65adf9555a6cac9c633e1cf68219ed0e8abb67

SHA512
c86a624048a0e0c953e97fcf1521bfdf72deb9df4ba88a33f47dc5c022b795db4ad1b541cab007338a5b0d19b2b1b2019c7894e1008b7f2e8b74921cf9d7c58b

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
e452fc00c57b8434ad18220ee56f26e0

SHA1
6134dfdbef4ab5c9f686403236bdee856d13f80d

SHA256
7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f

SHA512
235de8822ff738b5af9095819a3184cf9b05cf0e884e55fb3e048054745b7aaf5671fbe3a64c8671469da5176626e07d1ed6dcd4d50b51dd445ede37e410ceba

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
MD5
e452fc00c57b8434ad18220ee56f26e0

SHA1
6134dfdbef4ab5c9f686403236bdee856d13f80d

SHA256
7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f

SHA512
235de8822ff738b5af9095819a3184cf9b05cf0e884e55fb3e048054745b7aaf5671fbe3a64c8671469da5176626e07d1ed6dcd4d50b51dd445ede37e410ceba

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
MD5
e452fc00c57b8434ad18220ee56f26e0

SHA1
6134dfdbef4ab5c9f686403236bdee856d13f80d

SHA256
7f5ae904bdf9d8cac002b585478ff9ce90ca4c4010b7759b7e36439bd565ed6f

SHA512
235de8822ff738b5af9095819a3184cf9b05cf0e884e55fb3e048054745b7aaf5671fbe3a64c8671469da5176626e07d1ed6dcd4d50b51dd445ede37e410ceba

Download Submit
memory/504-10-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/504-7-0x0000000000000000-mapping.dmp

Download
memory/512-22-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/512-23-0x0000000000442628-mapping.dmp

Download
memory/512-24-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4128-3-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/4128-1-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/4128-2-0x000000000051B4D0-mapping.dmp

Download
memory/4128-4-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/4128-5-0x00000000022D0000-0x0000000002358000-memory.dmp

Filesize
544KB

Download
memory/4128-6-0x00000000023E2000-0x00000000023E3000-memory.dmp

Filesize
4KB

Download
memory/4236-12-0x000000000051B4D0-mapping.dmp

Download
memory/4236-16-0x0000000002290000-0x0000000002318000-memory.dmp

Filesize
544KB

Download
memory/4236-17-0x0000000002332000-0x0000000002333000-memory.dmp

Filesize
4KB

Download
memory/4420-21-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4420-20-0x0000000000411654-mapping.dmp

Download
memory/4420-19-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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

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Downloads