hawkeye | c70ca05804ee008cee5701160eb0753d913164ef4bb85aac6ba5cd08c88ba41d

Analysis

max time kernel
143s
max time network
120s
platform
windows10_x64
resource
win10v20201028
submitted
17/11/2020, 11:31

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General

Target
623e29da3cbccc57d44ece7495fe9f34.exe
Size 1.1MB
Sample201117-zz4k5acfbe
SHA256 c70ca05804ee008cee5701160eb0753d913164ef4bb85aac6ba5cd08c88ba41d
MD5 171f9d8bd82b36169284374c9c70e54d
SHA1 546857bae93bb2734f9ec859661d118e03a408bc
SHA512 12d18abfaa4eaa65b0313252c6c97d20b1886e553d8a03d1d00c067d6872abaef73f5710c4ce62043c03f80f4c57a01427e18901a9e47257ead30816f349a14c
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
1208	Windows Update.exe
2280	Windows Update.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2920-1-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/2920-3-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/2920-4-0x0000000000400000-0x000000000051D000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
2280	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-1-5-21-1985363256-3005190890-1182679451-1000\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
22	whatismyipaddress.com
20	whatismyipaddress.com

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3636 set thread context of 2920	3636	623e29da3cbccc57d44ece7495fe9f34.exe	75
PID 1208 set thread context of 2280	1208	Windows Update.exe	77
PID 2280 set thread context of 3456	2280	Windows Update.exe	78
PID 2280 set thread context of 3792	2280	Windows Update.exe	82

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_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	623e29da3cbccc57d44ece7495fe9f34.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	623e29da3cbccc57d44ece7495fe9f34.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Windows Update.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3636	623e29da3cbccc57d44ece7495fe9f34.exe
3636	623e29da3cbccc57d44ece7495fe9f34.exe
1208	Windows Update.exe
1208	Windows Update.exe
3792	vbc.exe
3792	vbc.exe
2280	Windows Update.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3636	623e29da3cbccc57d44ece7495fe9f34.exe
1208	Windows Update.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	Windows Update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2280	Windows Update.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 3636 wrote to memory of 2920	3636	623e29da3cbccc57d44ece7495fe9f34.exe	75
PID 3636 wrote to memory of 2920	3636	623e29da3cbccc57d44ece7495fe9f34.exe	75
PID 3636 wrote to memory of 2920	3636	623e29da3cbccc57d44ece7495fe9f34.exe	75
PID 2920 wrote to memory of 1208	2920	623e29da3cbccc57d44ece7495fe9f34.exe	76
PID 2920 wrote to memory of 1208	2920	623e29da3cbccc57d44ece7495fe9f34.exe	76
PID 2920 wrote to memory of 1208	2920	623e29da3cbccc57d44ece7495fe9f34.exe	76
PID 1208 wrote to memory of 2280	1208	Windows Update.exe	77
PID 1208 wrote to memory of 2280	1208	Windows Update.exe	77
PID 1208 wrote to memory of 2280	1208	Windows Update.exe	77
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	78
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	78
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	78
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	78
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	78
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	78
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	78
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	78
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	78
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	82
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	82
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	82
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	82
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	82
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	82
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	82
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	82
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	82

C:\Users\Admin\AppData\Local\Temp\623e29da3cbccc57d44ece7495fe9f34.exe
"C:\Users\Admin\AppData\Local\Temp\623e29da3cbccc57d44ece7495fe9f34.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3636
- C:\Users\Admin\AppData\Local\Temp\623e29da3cbccc57d44ece7495fe9f34.exe
  "C:\Users\Admin\AppData\Local\Temp\623e29da3cbccc57d44ece7495fe9f34.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2920
- - 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:1208
  - - 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:2280
    - - 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:3456
    - - 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:3792

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/1208-10-0x0000000000400000-0x0000000000523000-memory.dmp

Download

memory/2280-16-0x0000000000AB0000-0x0000000000B38000-memory.dmp

Download

memory/2280-17-0x0000000002452000-0x0000000002453000-memory.dmp

Download

memory/2920-6-0x0000000002262000-0x0000000002263000-memory.dmp

Download

memory/2920-5-0x0000000002270000-0x00000000022F8000-memory.dmp

Download

memory/2920-4-0x0000000000400000-0x000000000051D000-memory.dmp

Download

memory/2920-1-0x0000000000400000-0x000000000051D000-memory.dmp

Download

memory/2920-3-0x0000000000400000-0x000000000051D000-memory.dmp

Download

memory/3456-21-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/3456-19-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/3636-0-0x0000000000400000-0x0000000000523000-memory.dmp

Download

memory/3792-22-0x0000000000400000-0x0000000000458000-memory.dmp

Download

memory/3792-24-0x0000000000400000-0x0000000000458000-memory.dmp

Download