hawkeye | 4d74c1cc5bc8cc81ed8a50ba960faf005b12c555fcbd18da35b9c30429652e53

Reason

Machine shutdown

General

Target

a45f737d63d4e31ccec2181edcb52530N.exe
Size

1.3MB
MD5

a45f737d63d4e31ccec2181edcb52530
SHA1

f15c95e761b5244401194a9715a55523623f94b6
SHA256

4d74c1cc5bc8cc81ed8a50ba960faf005b12c555fcbd18da35b9c30429652e53
SHA512

99a740f6507158d6c6e2c3a45ea79ac51d675abf9681ea453471b850ac89a3942e20c4041dff236b1b2a48ee3d4dec88b13d9a4a043fccb9e34ff4768126194a
SSDEEP

24576:AqDEvCTbMWu7rQYlBQcBiT6rprG8aWcMhC/3X38K6aR5sVNmM:ATvC/MTQYxsWR7aWvs8KbXGc

Score

10^/10

hawkeye collection credential_access 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
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 9 IoCs

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

Processes:

resource	yara_rule
behavioral2/memory/2436-12-0x00000000005A0000-0x0000000000624000-memory.dmp	Nirsoft
behavioral2/memory/4428-24-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4428-26-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4428-27-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4428-30-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4356-31-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/4356-33-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/4356-34-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft
behavioral2/memory/4356-42-0x0000000000400000-0x0000000000458000-memory.dmp	Nirsoft

NirSoft MailPassView 5 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral2/memory/2436-12-0x00000000005A0000-0x0000000000624000-memory.dmp	MailPassView
behavioral2/memory/4428-24-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4428-26-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4428-27-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4428-30-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 5 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/2436-12-0x00000000005A0000-0x0000000000624000-memory.dmp	WebBrowserPassView
behavioral2/memory/4356-31-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/4356-33-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/4356-34-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView
behavioral2/memory/4356-42-0x0000000000400000-0x0000000000458000-memory.dmp	WebBrowserPassView

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.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
15	whatismyipaddress.com
18	whatismyipaddress.com

Suspicious use of SetThreadContext 3 IoCs

Processes:

a45f737d63d4e31ccec2181edcb52530N.exeRegSvcs.exe

description	pid	Process	procid_target
PID 5008 set thread context of 2436	5008	a45f737d63d4e31ccec2181edcb52530N.exe	86
PID 2436 set thread context of 4428	2436	RegSvcs.exe	88
PID 2436 set thread context of 4356	2436	RegSvcs.exe	89

System Location Discovery: System Language Discovery 1 TTPs 4 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:

a45f737d63d4e31ccec2181edcb52530N.exeRegSvcs.exevbc.exevbc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a45f737d63d4e31ccec2181edcb52530N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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 2 IoCs

Processes:

vbc.exe

pid	Process
4356	vbc.exe
4356	vbc.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

a45f737d63d4e31ccec2181edcb52530N.exe

pid	Process
5008	a45f737d63d4e31ccec2181edcb52530N.exe
5008	a45f737d63d4e31ccec2181edcb52530N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description	pid	Process
Token: SeDebugPrivilege	2436	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

a45f737d63d4e31ccec2181edcb52530N.exe

pid	Process
5008	a45f737d63d4e31ccec2181edcb52530N.exe
5008	a45f737d63d4e31ccec2181edcb52530N.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

a45f737d63d4e31ccec2181edcb52530N.exe

pid	Process
5008	a45f737d63d4e31ccec2181edcb52530N.exe
5008	a45f737d63d4e31ccec2181edcb52530N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid	Process
2436	RegSvcs.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

a45f737d63d4e31ccec2181edcb52530N.exeRegSvcs.exe

description	pid	Process	procid_target
PID 5008 wrote to memory of 2436	5008	a45f737d63d4e31ccec2181edcb52530N.exe	86
PID 5008 wrote to memory of 2436	5008	a45f737d63d4e31ccec2181edcb52530N.exe	86
PID 5008 wrote to memory of 2436	5008	a45f737d63d4e31ccec2181edcb52530N.exe	86
PID 5008 wrote to memory of 2436	5008	a45f737d63d4e31ccec2181edcb52530N.exe	86
PID 2436 wrote to memory of 4428	2436	RegSvcs.exe	88
PID 2436 wrote to memory of 4428	2436	RegSvcs.exe	88
PID 2436 wrote to memory of 4428	2436	RegSvcs.exe	88
PID 2436 wrote to memory of 4428	2436	RegSvcs.exe	88
PID 2436 wrote to memory of 4428	2436	RegSvcs.exe	88
PID 2436 wrote to memory of 4428	2436	RegSvcs.exe	88
PID 2436 wrote to memory of 4428	2436	RegSvcs.exe	88
PID 2436 wrote to memory of 4428	2436	RegSvcs.exe	88
PID 2436 wrote to memory of 4428	2436	RegSvcs.exe	88
PID 2436 wrote to memory of 4356	2436	RegSvcs.exe	89
PID 2436 wrote to memory of 4356	2436	RegSvcs.exe	89
PID 2436 wrote to memory of 4356	2436	RegSvcs.exe	89
PID 2436 wrote to memory of 4356	2436	RegSvcs.exe	89
PID 2436 wrote to memory of 4356	2436	RegSvcs.exe	89
PID 2436 wrote to memory of 4356	2436	RegSvcs.exe	89
PID 2436 wrote to memory of 4356	2436	RegSvcs.exe	89
PID 2436 wrote to memory of 4356	2436	RegSvcs.exe	89
PID 2436 wrote to memory of 4356	2436	RegSvcs.exe	89

C:\Users\Admin\AppData\Local\Temp\a45f737d63d4e31ccec2181edcb52530N.exe
"C:\Users\Admin\AppData\Local\Temp\a45f737d63d4e31ccec2181edcb52530N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\a45f737d63d4e31ccec2181edcb52530N.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2436
- - 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"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:4428
- - 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"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

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\holderwb.txt

Filesize
3KB

MD5
f94dc819ca773f1e3cb27abbc9e7fa27

SHA1
9a7700efadc5ea09ab288544ef1e3cd876255086

SHA256
a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

SHA512
72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

Download Submit
memory/2436-23-0x0000000007E40000-0x0000000007E48000-memory.dmp

Filesize
32KB

Download
memory/2436-16-0x0000000004D10000-0x0000000004DA2000-memory.dmp

Filesize
584KB

Download
memory/2436-44-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/2436-43-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/2436-12-0x00000000005A0000-0x0000000000624000-memory.dmp

Filesize
528KB

Download
memory/2436-17-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

Filesize
40KB

Download
memory/2436-18-0x0000000004F20000-0x0000000004F76000-memory.dmp

Filesize
344KB

Download
memory/2436-19-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/2436-22-0x0000000007E50000-0x0000000007EB6000-memory.dmp

Filesize
408KB

Download
memory/2436-15-0x00000000051F0000-0x0000000005794000-memory.dmp

Filesize
5.6MB

Download
memory/2436-14-0x0000000004BA0000-0x0000000004C3C000-memory.dmp

Filesize
624KB

Download
memory/2436-13-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/4356-31-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4356-33-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4356-34-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4356-42-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4428-30-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4428-26-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4428-27-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4428-24-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5008-11-0x00000000020B0000-0x00000000020B4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads