hawkeye | e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7

General

Target

e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
Size

1.1MB
MD5

82871b4cfecba1ab1f10cd22e0dd1ee8
SHA1

891bf6d956808e638d296c9a90f5aa331f781998
SHA256

e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7
SHA512

b7ef604e87ddf2c1fcf9bea71fcb0d4eecc25a2db90f92f99bc9f816249075029e2baad308fb1e86a03541dfb473b9ff8e3a8ee2aa4b9fd84b445e896c761511

Score

10^/10

hawkeye keylogger persistence spyware stealer trojan upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.casalsmd.com
Port:
587
Username:
carolina@casalsmd.com
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

Processes:

Windows Update.exeWindows Update.exe

pid process

2608 Windows Update.exe
1936 Windows Update.exe

pid	process
2608	Windows Update.exe
1936	Windows Update.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/784-1-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/784-3-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/784-4-0x0000000000400000-0x000000000051D000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

Windows Update.exe

pid process

1936 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

pid	process
1936	Windows Update.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Windows Update.exe

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.

Processes:

flow ioc

13 whatismyipaddress.com
15 whatismyipaddress.com

flow	ioc
13	whatismyipaddress.com
15	whatismyipaddress.com

Suspicious use of SetThreadContext 4 IoCs

Processes:

e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exeWindows Update.exeWindows Update.exe

description	pid	process	target process
PID 492 set thread context of 784	492	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
PID 2608 set thread context of 1936	2608	Windows Update.exe	Windows Update.exe
PID 1936 set thread context of 1708	1936	Windows Update.exe	vbc.exe
PID 1936 set thread context of 3688	1936	Windows Update.exe	vbc.exe

Modifies registry class 4 IoCs

Processes:

e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exeWindows Update.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Windows Update.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Windows Update.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exeWindows Update.exevbc.exeWindows Update.exe

pid	process
492	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
492	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
2608	Windows Update.exe
2608	Windows Update.exe
3688	vbc.exe
3688	vbc.exe
1936	Windows Update.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exeWindows Update.exe

pid process

492 e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
2608 Windows Update.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Windows Update.exe

description pid process

Token: SeDebugPrivilege 1936 Windows Update.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Windows Update.exe

pid process

1936 Windows Update.exe

description	pid	process
Token: SeDebugPrivilege	1936	Windows Update.exe

pid	process
1936	Windows Update.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exee5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exeWindows Update.exeWindows Update.exe

description	pid	process	target process
PID 492 wrote to memory of 784	492	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
PID 492 wrote to memory of 784	492	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
PID 492 wrote to memory of 784	492	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
PID 784 wrote to memory of 2608	784	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe	Windows Update.exe
PID 784 wrote to memory of 2608	784	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe	Windows Update.exe
PID 784 wrote to memory of 2608	784	e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe	Windows Update.exe
PID 2608 wrote to memory of 1936	2608	Windows Update.exe	Windows Update.exe
PID 2608 wrote to memory of 1936	2608	Windows Update.exe	Windows Update.exe
PID 2608 wrote to memory of 1936	2608	Windows Update.exe	Windows Update.exe
PID 1936 wrote to memory of 1708	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 1708	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 1708	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 1708	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 1708	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 1708	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 1708	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 1708	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 1708	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 3688	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 3688	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 3688	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 3688	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 3688	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 3688	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 3688	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 3688	1936	Windows Update.exe	vbc.exe
PID 1936 wrote to memory of 3688	1936	Windows Update.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
"C:\Users\Admin\AppData\Local\Temp\e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:492

C:\Users\Admin\AppData\Local\Temp\e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe
"C:\Users\Admin\AppData\Local\Temp\e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:784

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:2608

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:1936

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:1708

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:3688

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
MD5
4297011dcb31de43adf752866a417362

SHA1
ec594fef0b8211746517ae79b03f1400d2a53483

SHA256
79dba9dc25147af48f8d2d3727d71cb7396b0c3b2a5ef2db2e652cbc24294b10

SHA512
b27a039fd4a2626b28cc3c08278013221e63f964a316a881df6c885ea7f585febbc28f1514750355b1ea3db6e7bbf851f1d2e44f3c3cb8ada62483d48ef05a33

Download Submit
C:\Users\Admin\AppData\Local\Temp\holderwb.txt
MD5
f94dc819ca773f1e3cb27abbc9e7fa27

SHA1
9a7700efadc5ea09ab288544ef1e3cd876255086

SHA256
a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

SHA512
72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
MD5
82871b4cfecba1ab1f10cd22e0dd1ee8

SHA1
891bf6d956808e638d296c9a90f5aa331f781998

SHA256
e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7

SHA512
b7ef604e87ddf2c1fcf9bea71fcb0d4eecc25a2db90f92f99bc9f816249075029e2baad308fb1e86a03541dfb473b9ff8e3a8ee2aa4b9fd84b445e896c761511

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
MD5
82871b4cfecba1ab1f10cd22e0dd1ee8

SHA1
891bf6d956808e638d296c9a90f5aa331f781998

SHA256
e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7

SHA512
b7ef604e87ddf2c1fcf9bea71fcb0d4eecc25a2db90f92f99bc9f816249075029e2baad308fb1e86a03541dfb473b9ff8e3a8ee2aa4b9fd84b445e896c761511

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
MD5
82871b4cfecba1ab1f10cd22e0dd1ee8

SHA1
891bf6d956808e638d296c9a90f5aa331f781998

SHA256
e5c3dfaff91dff6288a74933d6153f6ce498970a06016168840da65290765fa7

SHA512
b7ef604e87ddf2c1fcf9bea71fcb0d4eecc25a2db90f92f99bc9f816249075029e2baad308fb1e86a03541dfb473b9ff8e3a8ee2aa4b9fd84b445e896c761511

Download Submit
memory/492-0-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/784-5-0x00000000022E0000-0x0000000002368000-memory.dmp

Filesize
544KB

Download
memory/784-2-0x000000000051B4D0-mapping.dmp

Download
memory/784-6-0x0000000000582000-0x0000000000583000-memory.dmp

Filesize
4KB

Download
memory/784-4-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/784-1-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/784-3-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/1708-21-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1708-20-0x0000000000411654-mapping.dmp

Download
memory/1708-19-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1936-12-0x000000000051B4D0-mapping.dmp

Download
memory/1936-17-0x00000000023F2000-0x00000000023F3000-memory.dmp

Filesize
4KB

Download
memory/1936-16-0x0000000002350000-0x00000000023D8000-memory.dmp

Filesize
544KB

Download
memory/2608-7-0x0000000000000000-mapping.dmp

Download
memory/2608-10-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/3688-22-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3688-23-0x0000000000442628-mapping.dmp

Download
memory/3688-24-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads