hawkeye | 5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f

General

Target

btcreceiptscopies.exe
Size

742KB
MD5

9e86c85f3d451e8a8716c39dbe28379a
SHA1

c23ac963949b1c91ae566be269971e72808376a7
SHA256

5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f
SHA512

f8a4c42b41e3d4333120ad76701fff135f64805e558a4cf50fad17f86af1ed71ce4bbc34ab2128d72caa9029e76b30d29be29ba5a6873315538c3949b8cfa422
SSDEEP

12288:txGQ/w/DKicDR4RBAwFV340O5BZOKhNSRmDSuo8ukI/Px6VqlZz6oa5Nlt4pWG:PGQYLPRBAwFVo0O5BZOKhNZ9I4UlZmdO

Score

10^/10

hawkeye collection discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
webmail.mts.rs
Port:
587
Username:
[email protected]
Password:
Tptadic

Signatures

HawkEye
HawkEye is a malware kit that has seen continuous development since at least 2013.
keylogger trojan stealer spyware hawkeye
Hawkeye family
hawkeye

Detected Nirsoft tools 7 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

Processes:

resource	yara_rule
behavioral2/memory/452-6-0x0000000000400000-0x0000000000494000-memory.dmp	Nirsoft
behavioral2/memory/3016-43-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/3016-45-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/3016-42-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4812-49-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/4812-48-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/4812-56-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/452-6-0x0000000000400000-0x0000000000494000-memory.dmp	MailPassView
behavioral2/memory/3016-43-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/3016-45-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/3016-42-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/452-6-0x0000000000400000-0x0000000000494000-memory.dmp	WebBrowserPassView
behavioral2/memory/4812-49-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/4812-48-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/4812-56-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

btcreceiptscopies.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	btcreceiptscopies.exe

Executes dropped EXE 2 IoCs

Processes:

Windows Update.exeWindows Update.exe

pid process

5100 Windows Update.exe
4068 Windows Update.exe
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

pid	process
5100	Windows Update.exe
4068	Windows Update.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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

T1547.001

Modify Registry

T1112

Processes:

Windows Update.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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

11 whatismyipaddress.com
13 whatismyipaddress.com

flow	ioc
11	whatismyipaddress.com
13	whatismyipaddress.com

Suspicious use of SetThreadContext 4 IoCs

Processes:

btcreceiptscopies.exeWindows Update.exeWindows Update.exe

description	pid	process	target process
PID 4924 set thread context of 452	4924	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 5100 set thread context of 4068	5100	Windows Update.exe	Windows Update.exe
PID 4068 set thread context of 3016	4068	Windows Update.exe	vbc.exe
PID 4068 set thread context of 4812	4068	Windows Update.exe	vbc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

Windows Update.exeWindows Update.exevbc.exevbc.exebtcreceiptscopies.exebtcreceiptscopies.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Windows Update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Windows Update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	btcreceiptscopies.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	btcreceiptscopies.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Windows Update.exe

pid	process
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe
4068	Windows Update.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Windows Update.exe

description pid process

Token: SeDebugPrivilege 4068 Windows Update.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Windows Update.exe

pid process

4068 Windows Update.exe

description	pid	process
Token: SeDebugPrivilege	4068	Windows Update.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

btcreceiptscopies.exebtcreceiptscopies.exeWindows Update.exeWindows Update.exe

description	pid	process	target process
PID 4924 wrote to memory of 452	4924	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 4924 wrote to memory of 452	4924	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 4924 wrote to memory of 452	4924	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 4924 wrote to memory of 452	4924	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 4924 wrote to memory of 452	4924	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 4924 wrote to memory of 452	4924	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 4924 wrote to memory of 452	4924	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 4924 wrote to memory of 452	4924	btcreceiptscopies.exe	btcreceiptscopies.exe
PID 452 wrote to memory of 5100	452	btcreceiptscopies.exe	Windows Update.exe
PID 452 wrote to memory of 5100	452	btcreceiptscopies.exe	Windows Update.exe
PID 452 wrote to memory of 5100	452	btcreceiptscopies.exe	Windows Update.exe
PID 5100 wrote to memory of 4068	5100	Windows Update.exe	Windows Update.exe
PID 5100 wrote to memory of 4068	5100	Windows Update.exe	Windows Update.exe
PID 5100 wrote to memory of 4068	5100	Windows Update.exe	Windows Update.exe
PID 5100 wrote to memory of 4068	5100	Windows Update.exe	Windows Update.exe
PID 5100 wrote to memory of 4068	5100	Windows Update.exe	Windows Update.exe
PID 5100 wrote to memory of 4068	5100	Windows Update.exe	Windows Update.exe
PID 5100 wrote to memory of 4068	5100	Windows Update.exe	Windows Update.exe
PID 5100 wrote to memory of 4068	5100	Windows Update.exe	Windows Update.exe
PID 4068 wrote to memory of 3016	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 3016	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 3016	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 3016	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 3016	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 3016	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 3016	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 3016	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 3016	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 4812	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 4812	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 4812	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 4812	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 4812	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 4812	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 4812	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 4812	4068	Windows Update.exe	vbc.exe
PID 4068 wrote to memory of 4812	4068	Windows Update.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\btcreceiptscopies.exe
"C:\Users\Admin\AppData\Local\Temp\btcreceiptscopies.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4924
- C:\Users\Admin\AppData\Local\Temp\btcreceiptscopies.exe
  "C:\Users\Admin\AppData\Local\Temp\btcreceiptscopies.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:452
- - C:\Users\Admin\AppData\Roaming\Windows Update.exe
    "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5100
  - - C:\Users\Admin\AppData\Roaming\Windows Update.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4068
    - - 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⤵
        Accesses Microsoft Outlook accounts
        System Location Discovery: System Language Discovery
        
        PID:3016
    - - 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⤵
        System Location Discovery: System Language Discovery
        
        PID:4812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
55B

MD5
e672630996e21ad7d8ae6fb323fc7f67

SHA1
d30f3cca177e51c6e5d30300c0e4efd85f443910

SHA256
86185edaab9a8db1dc592c8cfa76359a7b9f4775ae0769b2f8738340bdcedec8

SHA512
4a404c550f79ac3adea3689cad9f13a8bbceccff90e92c723427dabcddbaacabf91c7f5132d39493df5aa9c00c1ce87146d231f82ac2e0f87c9dc9159aad4cad

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

Filesize
3KB

MD5
f94dc819ca773f1e3cb27abbc9e7fa27

SHA1
9a7700efadc5ea09ab288544ef1e3cd876255086

SHA256
a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

SHA512
72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

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

Filesize
742KB

MD5
9e86c85f3d451e8a8716c39dbe28379a

SHA1
c23ac963949b1c91ae566be269971e72808376a7

SHA256
5e0fca97a0d1f7abf543f5f9028681148de67780c584dc59c4163fefcbcca07f

SHA512
f8a4c42b41e3d4333120ad76701fff135f64805e558a4cf50fad17f86af1ed71ce4bbc34ab2128d72caa9029e76b30d29be29ba5a6873315538c3949b8cfa422

Download Submit
memory/452-11-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/452-26-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/452-10-0x0000000005860000-0x000000000586A000-memory.dmp

Filesize
40KB

Download
memory/452-6-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/452-12-0x0000000005AD0000-0x0000000005B26000-memory.dmp

Filesize
344KB

Download
memory/452-8-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/452-9-0x00000000057A0000-0x000000000583C000-memory.dmp

Filesize
624KB

Download
memory/3016-45-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3016-43-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3016-42-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3016-44-0x0000000000420000-0x00000000004E9000-memory.dmp

Filesize
804KB

Download
memory/4068-37-0x0000000008F70000-0x0000000008FD6000-memory.dmp

Filesize
408KB

Download
memory/4068-41-0x000000000B550000-0x000000000B558000-memory.dmp

Filesize
32KB

Download
memory/4068-31-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-47-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/4812-56-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4812-48-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4812-49-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4924-36-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/4924-3-0x0000000005180000-0x0000000005212000-memory.dmp

Filesize
584KB

Download
memory/4924-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

Filesize
4KB

Download
memory/4924-4-0x00000000050F0000-0x0000000005104000-memory.dmp

Filesize
80KB

Download
memory/4924-5-0x0000000005110000-0x0000000005118000-memory.dmp

Filesize
32KB

Download
memory/4924-7-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/4924-35-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

Filesize
4KB

Download
memory/4924-2-0x0000000005730000-0x0000000005CD4000-memory.dmp

Filesize
5.6MB

Download
memory/4924-1-0x0000000000720000-0x00000000007E0000-memory.dmp

Filesize
768KB

Download
memory/5100-40-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/5100-46-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/5100-27-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/5100-28-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads