hawkeye | 2a0605fe6ee89eb3b394d0181b5d409bcbf08f9642082d196b51c7a0fc3bf6c8

General

Target

fdf.exe
Size

506KB
MD5

f36535a73f8c6869ded283234f2a923f
SHA1

9444e7fe027d743af732a27be3a4ae9dc0de1ced
SHA256

23127973f0d6b1322ccf49e092cb5ff53e4859fb31ee6b09b6f9c8b5d3e19073
SHA512

66e4af59d35a9f33cfe598c3664eb2e7d7f80ed54b6bc49ad97b3baec15accb78e4f926b6d6f921ece628381e85879a6ca435cbee6c74f60e3f4ba4235417fda
SSDEEP

6144:WysbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9/II:rsQtqB5urTIoYWBQk1E+VF9mOx9t

Score

10^/10

hawkeye collection discovery keylogger 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
Hawkeye family
hawkeye

Detected Nirsoft tools 8 IoCs

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

resource	yara_rule
behavioral1/memory/2812-8-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2812-6-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2812-9-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2812-14-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2640-16-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/2640-18-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/2640-19-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral1/memory/2640-26-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2812-8-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2812-6-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2812-9-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2812-14-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2640-16-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral1/memory/2640-18-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral1/memory/2640-19-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral1/memory/2640-26-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.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.

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 2812	1956	fdf.exe	31
PID 1956 set thread context of 2640	1956	fdf.exe	33

System Location Discovery: System Language Discovery 1 TTPs 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2640	vbc.exe
1956	fdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	fdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1956	fdf.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2812	1956	fdf.exe	31
PID 1956 wrote to memory of 2812	1956	fdf.exe	31
PID 1956 wrote to memory of 2812	1956	fdf.exe	31
PID 1956 wrote to memory of 2812	1956	fdf.exe	31
PID 1956 wrote to memory of 2812	1956	fdf.exe	31
PID 1956 wrote to memory of 2812	1956	fdf.exe	31
PID 1956 wrote to memory of 2812	1956	fdf.exe	31
PID 1956 wrote to memory of 2812	1956	fdf.exe	31
PID 1956 wrote to memory of 2812	1956	fdf.exe	31
PID 1956 wrote to memory of 2812	1956	fdf.exe	31
PID 1956 wrote to memory of 2640	1956	fdf.exe	33
PID 1956 wrote to memory of 2640	1956	fdf.exe	33
PID 1956 wrote to memory of 2640	1956	fdf.exe	33
PID 1956 wrote to memory of 2640	1956	fdf.exe	33
PID 1956 wrote to memory of 2640	1956	fdf.exe	33
PID 1956 wrote to memory of 2640	1956	fdf.exe	33
PID 1956 wrote to memory of 2640	1956	fdf.exe	33
PID 1956 wrote to memory of 2640	1956	fdf.exe	33
PID 1956 wrote to memory of 2640	1956	fdf.exe	33
PID 1956 wrote to memory of 2640	1956	fdf.exe	33

C:\Users\Admin\AppData\Local\Temp\fdf.exe
"C:\Users\Admin\AppData\Local\Temp\fdf.exe"
1⤵
- 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:1956
- 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"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:2812
- 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"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\holderwb.txt

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1956-11-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

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memory/1956-1-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/1956-2-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/1956-5-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/1956-0-0x0000000074251000-0x0000000074252000-memory.dmp

Filesize
4KB

Download
memory/1956-15-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/1956-10-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2640-18-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2640-16-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2640-19-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2640-26-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2812-14-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2812-9-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2812-6-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2812-8-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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Analysis

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