hawkeye | 84932631ef1f83a60117e2854c056be17b8cfc32fb495e308dc128f2a7b698c1

General

Target

2016pdf.exe
Size

965KB
MD5

e289bcf6d77230d7fdb4d8a0bf126723
SHA1

70880bcc5a8ac31df2dc6aa2e03f8f73965f7812
SHA256

98c08e97f88fd09e81a8dc3e3234f89ceed282048a4275c7a2f1b9bc116db41f
SHA512

a7883c1644d143c4d8a6384e7b9d0eeaf9e8ce51c76b3c35f2daf89c04944d77be99af095b31f5a1ba46c8bd271f89aa20d963d4d6a61176cb040e01288395eb
SSDEEP

24576:pQu+IperrOUj6k7ZqC30kKoreoQSQS4kHHDJ1VnmjSd/EG:pQyk7ZxlK5oAkDJ1ZYSds

Score

10^/10

hawkeye collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Signatures

HawkEye
HawkEye is a malware kit that has seen continuous development since at least 2013.
keylogger trojan stealer spyware hawkeye
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Detected Nirsoft tools 10 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/1840-28-0x0000000000400000-0x0000000000484000-memory.dmp	Nirsoft
behavioral1/memory/1840-27-0x0000000000400000-0x0000000000484000-memory.dmp	Nirsoft
behavioral1/memory/1840-21-0x0000000000400000-0x0000000000484000-memory.dmp	Nirsoft
behavioral1/memory/2644-38-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2644-36-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2644-40-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2644-44-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/820-46-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/820-47-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/820-53-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft

NirSoft MailPassView 7 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/1840-28-0x0000000000400000-0x0000000000484000-memory.dmp	MailPassView
behavioral1/memory/1840-27-0x0000000000400000-0x0000000000484000-memory.dmp	MailPassView
behavioral1/memory/1840-21-0x0000000000400000-0x0000000000484000-memory.dmp	MailPassView
behavioral1/memory/2644-38-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2644-36-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2644-40-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2644-44-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 6 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/1840-28-0x0000000000400000-0x0000000000484000-memory.dmp	WebBrowserPassView
behavioral1/memory/1840-27-0x0000000000400000-0x0000000000484000-memory.dmp	WebBrowserPassView
behavioral1/memory/1840-21-0x0000000000400000-0x0000000000484000-memory.dmp	WebBrowserPassView
behavioral1/memory/820-46-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral1/memory/820-47-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral1/memory/820-53-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView

Drops startup file 1 IoCs

Processes:

CKMdCEEIZAPIeXJUdWYAR.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IPNhDLAeKSichGLS.lnk	CKMdCEEIZAPIeXJUdWYAR.exe

Executes dropped EXE 1 IoCs

Processes:

CKMdCEEIZAPIeXJUdWYAR.exe

pid process

2384 CKMdCEEIZAPIeXJUdWYAR.exe
Loads dropped DLL 2 IoCs

Processes:

2016pdf.exeCKMdCEEIZAPIeXJUdWYAR.exe

pid process

2136 2016pdf.exe
2384 CKMdCEEIZAPIeXJUdWYAR.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
2136	2016pdf.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\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:

2016pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	2016pdf.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 whatismyipaddress.com
6 whatismyipaddress.com
7 whatismyipaddress.com

flow	ioc
4	whatismyipaddress.com
6	whatismyipaddress.com
7	whatismyipaddress.com

Suspicious use of SetThreadContext 3 IoCs

Processes:

CKMdCEEIZAPIeXJUdWYAR.exeRegAsm.exe

description	pid	process	target process
PID 2384 set thread context of 1840	2384	CKMdCEEIZAPIeXJUdWYAR.exe	RegAsm.exe
PID 1840 set thread context of 2644	1840	RegAsm.exe	vbc.exe
PID 1840 set thread context of 820	1840	RegAsm.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 5 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:

2016pdf.exeCKMdCEEIZAPIeXJUdWYAR.exeRegAsm.exevbc.exevbc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2016pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CKMdCEEIZAPIeXJUdWYAR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

CKMdCEEIZAPIeXJUdWYAR.exe

pid	process
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe
2384	CKMdCEEIZAPIeXJUdWYAR.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1840 RegAsm.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

1840 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1840	RegAsm.exe

pid	process
1840	RegAsm.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

2016pdf.exeCKMdCEEIZAPIeXJUdWYAR.exeRegAsm.exe

description	pid	process	target process
PID 2136 wrote to memory of 2384	2136	2016pdf.exe	CKMdCEEIZAPIeXJUdWYAR.exe
PID 2136 wrote to memory of 2384	2136	2016pdf.exe	CKMdCEEIZAPIeXJUdWYAR.exe
PID 2136 wrote to memory of 2384	2136	2016pdf.exe	CKMdCEEIZAPIeXJUdWYAR.exe
PID 2136 wrote to memory of 2384	2136	2016pdf.exe	CKMdCEEIZAPIeXJUdWYAR.exe
PID 2384 wrote to memory of 1840	2384	CKMdCEEIZAPIeXJUdWYAR.exe	RegAsm.exe
PID 2384 wrote to memory of 1840	2384	CKMdCEEIZAPIeXJUdWYAR.exe	RegAsm.exe
PID 2384 wrote to memory of 1840	2384	CKMdCEEIZAPIeXJUdWYAR.exe	RegAsm.exe
PID 2384 wrote to memory of 1840	2384	CKMdCEEIZAPIeXJUdWYAR.exe	RegAsm.exe
PID 2384 wrote to memory of 1840	2384	CKMdCEEIZAPIeXJUdWYAR.exe	RegAsm.exe
PID 2384 wrote to memory of 1840	2384	CKMdCEEIZAPIeXJUdWYAR.exe	RegAsm.exe
PID 2384 wrote to memory of 1840	2384	CKMdCEEIZAPIeXJUdWYAR.exe	RegAsm.exe
PID 2384 wrote to memory of 1840	2384	CKMdCEEIZAPIeXJUdWYAR.exe	RegAsm.exe
PID 2384 wrote to memory of 1840	2384	CKMdCEEIZAPIeXJUdWYAR.exe	RegAsm.exe
PID 1840 wrote to memory of 2644	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 2644	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 2644	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 2644	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 2644	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 2644	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 2644	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 2644	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 2644	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 2644	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 820	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 820	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 820	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 820	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 820	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 820	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 820	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 820	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 820	1840	RegAsm.exe	vbc.exe
PID 1840 wrote to memory of 820	1840	RegAsm.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\2016pdf.exe
"C:\Users\Admin\AppData\Local\Temp\2016pdf.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CKMdCEEIZAPIeXJUdWYAR.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CKMdCEEIZAPIeXJUdWYAR.exe gYdCdIeaUTRhGRagFgD
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    - vbc
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1840
  - - 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"
      4⤵
      Accesses Microsoft Outlook accounts
      System Location Discovery: System Language Discovery
      PID:2644
  - - 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"
      4⤵
      System Location Discovery: System Language Discovery
      PID:820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Scripting

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\IPNhDLAeKSic

Filesize
506KB

MD5
9d7857570d5fdf92e853c4c6cd65a81b

SHA1
472a8f79c31ea75738b2a07ada2fe10c4807ee93

SHA256
6134cd30e6e0d05553e771e263e8e7b24d71f086d87aa5a2f355e38101314536

SHA512
92918612b908fc6cf66070d9613f67d5fe8e56027bdc65ff1c491dbcccc445df98740c10ce9d2de4fa9234acdde86c3115f2aa7a8193273aa116f4104158c043

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\gYdCdIeaUTRhGRagFgD

Filesize
38KB

MD5
a39dcb345904dddc0c776139b729a243

SHA1
db77b63486f0f05c6e14f746bfca7d93b93b0a2a

SHA256
c2a31f858f17c64b7a5bd5fe22943733a26d70a89b065aa5b894574eee3ec6b4

SHA512
a4d0869d0f90941022e88cd0a71be1b59a467865d437c8253eedbee73becbce56ddda1fd907a88187edad16f3137bf65e8440a02a5123b6d12f89c2ef81696b4

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\CKMdCEEIZAPIeXJUdWYAR.exe

Filesize
732KB

MD5
71d8f6d5dc35517275bc38ebcc815f9f

SHA1
cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

SHA256
fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

SHA512
4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

Download Submit
memory/820-53-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/820-47-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/820-46-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1840-42-0x0000000074842000-0x0000000074844000-memory.dmp

Filesize
8KB

Download
memory/1840-45-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1840-30-0x0000000074842000-0x0000000074844000-memory.dmp

Filesize
8KB

Download
memory/1840-20-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1840-28-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1840-39-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1840-27-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1840-21-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1840-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2384-41-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2384-19-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2644-44-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2644-40-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2644-36-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2644-38-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads