hawkeye | a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05

Analysis

max time kernel
148s
max time network
111s
platform
windows10_x64
resource
win10v20201028
submitted
14/11/2020, 17:53

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General

Target
a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe
Size 962KB
Sample201114-2ebb892mk2
SHA256 a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05
MD5 01c03727d5d9f94fc7c47a622effc217
SHA1 a7a446111da017ee275964af46ac71ff7745c7f6
SHA512 84d8f982bfb57fee01b989d74212739b53a81bd3a34a19324a209ef6a1a20c055470c161d60a42e6d2fc17fee5058c8f813d2d1824aaf67ec90c6c089756cc72
MD5 SHA1 SHA512

Score

10^/10

hawkeye keylogger persistence spyware stealer trojan upx

Malware Config

Extracted

Credentials

Protocol
smtp
Host
smtp.casalsmd.com
Port
587
Username
[email protected]
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

pid	Process
4408	Windows Update.exe
3920	Windows Update.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4196-1-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/4196-3-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/4196-4-0x0000000000400000-0x000000000051D000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
3920	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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

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.

flow	ioc
9	whatismyipaddress.com
14	whatismyipaddress.com

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4800 set thread context of 4196	4800	a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe	73
PID 4408 set thread context of 3920	4408	Windows Update.exe	77
PID 3920 set thread context of 1872	3920	Windows Update.exe	82
PID 3920 set thread context of 2100	3920	Windows Update.exe	83

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4800	a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe
4800	a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe
4408	Windows Update.exe
4408	Windows Update.exe
2100	vbc.exe
2100	vbc.exe
3920	Windows Update.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4800	a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe
4408	Windows Update.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3920	Windows Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3920	Windows Update.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 4196	4800	a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe	73
PID 4800 wrote to memory of 4196	4800	a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe	73
PID 4800 wrote to memory of 4196	4800	a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe	73
PID 4196 wrote to memory of 4408	4196	a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe	76
PID 4196 wrote to memory of 4408	4196	a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe	76
PID 4196 wrote to memory of 4408	4196	a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe	76
PID 4408 wrote to memory of 3920	4408	Windows Update.exe	77
PID 4408 wrote to memory of 3920	4408	Windows Update.exe	77
PID 4408 wrote to memory of 3920	4408	Windows Update.exe	77
PID 3920 wrote to memory of 1872	3920	Windows Update.exe	82
PID 3920 wrote to memory of 1872	3920	Windows Update.exe	82
PID 3920 wrote to memory of 1872	3920	Windows Update.exe	82
PID 3920 wrote to memory of 1872	3920	Windows Update.exe	82
PID 3920 wrote to memory of 1872	3920	Windows Update.exe	82
PID 3920 wrote to memory of 1872	3920	Windows Update.exe	82
PID 3920 wrote to memory of 1872	3920	Windows Update.exe	82
PID 3920 wrote to memory of 1872	3920	Windows Update.exe	82
PID 3920 wrote to memory of 1872	3920	Windows Update.exe	82
PID 3920 wrote to memory of 2100	3920	Windows Update.exe	83
PID 3920 wrote to memory of 2100	3920	Windows Update.exe	83
PID 3920 wrote to memory of 2100	3920	Windows Update.exe	83
PID 3920 wrote to memory of 2100	3920	Windows Update.exe	83
PID 3920 wrote to memory of 2100	3920	Windows Update.exe	83
PID 3920 wrote to memory of 2100	3920	Windows Update.exe	83
PID 3920 wrote to memory of 2100	3920	Windows Update.exe	83
PID 3920 wrote to memory of 2100	3920	Windows Update.exe	83
PID 3920 wrote to memory of 2100	3920	Windows Update.exe	83

C:\Users\Admin\AppData\Local\Temp\a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe
"C:\Users\Admin\AppData\Local\Temp\a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4800
- C:\Users\Admin\AppData\Local\Temp\a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe
  "C:\Users\Admin\AppData\Local\Temp\a68aaf370bd46ec00abef5b522d5c6faf6c1beff6a3af3098e4a6dd1e25fce05.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4196
- - C:\Users\Admin\AppData\Roaming\Windows Update.exe
    "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:4408
  - - 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:3920
    - - 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:1872
    - - 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:2100

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1872-21-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/1872-19-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/2100-22-0x0000000000400000-0x0000000000458000-memory.dmp

Download

memory/2100-24-0x0000000000400000-0x0000000000458000-memory.dmp

Download

memory/3920-17-0x0000000002122000-0x0000000002123000-memory.dmp

Download

memory/3920-16-0x0000000002250000-0x00000000022D8000-memory.dmp

Download

memory/4196-5-0x0000000002340000-0x00000000023C8000-memory.dmp

Download

memory/4196-6-0x0000000002332000-0x0000000002333000-memory.dmp

Download

memory/4196-4-0x0000000000400000-0x000000000051D000-memory.dmp

Download

memory/4196-3-0x0000000000400000-0x000000000051D000-memory.dmp

Download

memory/4196-1-0x0000000000400000-0x000000000051D000-memory.dmp

Download

memory/4408-10-0x0000000000400000-0x00000000004F6000-memory.dmp

Download

memory/4800-0-0x0000000000400000-0x00000000004F6000-memory.dmp

Download