hawkeye | c70ca05804ee008cee5701160eb0753d913164ef4bb85aac6ba5cd08c88ba41d

General

Target

623e29da3cbccc57d44ece7495fe9f34.exe
Size

1.1MB
MD5

171f9d8bd82b36169284374c9c70e54d
SHA1

546857bae93bb2734f9ec859661d118e03a408bc
SHA256

c70ca05804ee008cee5701160eb0753d913164ef4bb85aac6ba5cd08c88ba41d
SHA512

12d18abfaa4eaa65b0313252c6c97d20b1886e553d8a03d1d00c067d6872abaef73f5710c4ce62043c03f80f4c57a01427e18901a9e47257ead30816f349a14c

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

1208 Windows Update.exe
2280 Windows Update.exe

pid	process
1208	Windows Update.exe
2280	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/2920-1-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/2920-3-0x0000000000400000-0x000000000051D000-memory.dmp	upx
behavioral2/memory/2920-4-0x0000000000400000-0x000000000051D000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

Windows Update.exe

pid process

2280 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
2280	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

22 whatismyipaddress.com
20 whatismyipaddress.com

flow	ioc
22	whatismyipaddress.com
20	whatismyipaddress.com

Suspicious use of SetThreadContext 4 IoCs

Processes:

623e29da3cbccc57d44ece7495fe9f34.exeWindows Update.exeWindows Update.exe

description	pid	process	target process
PID 3636 set thread context of 2920	3636	623e29da3cbccc57d44ece7495fe9f34.exe	623e29da3cbccc57d44ece7495fe9f34.exe
PID 1208 set thread context of 2280	1208	Windows Update.exe	Windows Update.exe
PID 2280 set thread context of 3456	2280	Windows Update.exe	vbc.exe
PID 2280 set thread context of 3792	2280	Windows Update.exe	vbc.exe

Modifies registry class 4 IoCs

Processes:

Windows Update.exe623e29da3cbccc57d44ece7495fe9f34.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Windows Update.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	623e29da3cbccc57d44ece7495fe9f34.exe
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	623e29da3cbccc57d44ece7495fe9f34.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Windows Update.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

623e29da3cbccc57d44ece7495fe9f34.exeWindows Update.exevbc.exeWindows Update.exe

pid	process
3636	623e29da3cbccc57d44ece7495fe9f34.exe
3636	623e29da3cbccc57d44ece7495fe9f34.exe
1208	Windows Update.exe
1208	Windows Update.exe
3792	vbc.exe
3792	vbc.exe
2280	Windows Update.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

623e29da3cbccc57d44ece7495fe9f34.exeWindows Update.exe

pid process

3636 623e29da3cbccc57d44ece7495fe9f34.exe
1208 Windows Update.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Windows Update.exe

description pid process

Token: SeDebugPrivilege 2280 Windows Update.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Windows Update.exe

pid process

2280 Windows Update.exe

description	pid	process
Token: SeDebugPrivilege	2280	Windows Update.exe

pid	process
2280	Windows Update.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

623e29da3cbccc57d44ece7495fe9f34.exe623e29da3cbccc57d44ece7495fe9f34.exeWindows Update.exeWindows Update.exe

description	pid	process	target process
PID 3636 wrote to memory of 2920	3636	623e29da3cbccc57d44ece7495fe9f34.exe	623e29da3cbccc57d44ece7495fe9f34.exe
PID 3636 wrote to memory of 2920	3636	623e29da3cbccc57d44ece7495fe9f34.exe	623e29da3cbccc57d44ece7495fe9f34.exe
PID 3636 wrote to memory of 2920	3636	623e29da3cbccc57d44ece7495fe9f34.exe	623e29da3cbccc57d44ece7495fe9f34.exe
PID 2920 wrote to memory of 1208	2920	623e29da3cbccc57d44ece7495fe9f34.exe	Windows Update.exe
PID 2920 wrote to memory of 1208	2920	623e29da3cbccc57d44ece7495fe9f34.exe	Windows Update.exe
PID 2920 wrote to memory of 1208	2920	623e29da3cbccc57d44ece7495fe9f34.exe	Windows Update.exe
PID 1208 wrote to memory of 2280	1208	Windows Update.exe	Windows Update.exe
PID 1208 wrote to memory of 2280	1208	Windows Update.exe	Windows Update.exe
PID 1208 wrote to memory of 2280	1208	Windows Update.exe	Windows Update.exe
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3456	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	vbc.exe
PID 2280 wrote to memory of 3792	2280	Windows Update.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\623e29da3cbccc57d44ece7495fe9f34.exe
"C:\Users\Admin\AppData\Local\Temp\623e29da3cbccc57d44ece7495fe9f34.exe"
1⤵
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3636

C:\Users\Admin\AppData\Local\Temp\623e29da3cbccc57d44ece7495fe9f34.exe
"C:\Users\Admin\AppData\Local\Temp\623e29da3cbccc57d44ece7495fe9f34.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2920

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:1208

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:2280

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:3456

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:3792

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
7691f72cc04f80e20461760cc44f667d

SHA1
7038c53d67ecaecf4a70e016d8e1a468c241b7f7

SHA256
9b682d03bdb865a4d3f74e21aa015b8df7ea8a43fb653edb4969377806aa4ddb

SHA512
a67bd797de430893553d59037ddcaf239629d3d1d29125b0b62040e4d56f5203a161c81c3ab0fa4bb35f7896e75713137c596bfe3493d26c8e842705153f8ec7

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
171f9d8bd82b36169284374c9c70e54d

SHA1
546857bae93bb2734f9ec859661d118e03a408bc

SHA256
c70ca05804ee008cee5701160eb0753d913164ef4bb85aac6ba5cd08c88ba41d

SHA512
12d18abfaa4eaa65b0313252c6c97d20b1886e553d8a03d1d00c067d6872abaef73f5710c4ce62043c03f80f4c57a01427e18901a9e47257ead30816f349a14c

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
MD5
171f9d8bd82b36169284374c9c70e54d

SHA1
546857bae93bb2734f9ec859661d118e03a408bc

SHA256
c70ca05804ee008cee5701160eb0753d913164ef4bb85aac6ba5cd08c88ba41d

SHA512
12d18abfaa4eaa65b0313252c6c97d20b1886e553d8a03d1d00c067d6872abaef73f5710c4ce62043c03f80f4c57a01427e18901a9e47257ead30816f349a14c

Download Submit
C:\Users\Admin\AppData\Roaming\Windows Update.exe
MD5
171f9d8bd82b36169284374c9c70e54d

SHA1
546857bae93bb2734f9ec859661d118e03a408bc

SHA256
c70ca05804ee008cee5701160eb0753d913164ef4bb85aac6ba5cd08c88ba41d

SHA512
12d18abfaa4eaa65b0313252c6c97d20b1886e553d8a03d1d00c067d6872abaef73f5710c4ce62043c03f80f4c57a01427e18901a9e47257ead30816f349a14c

Download Submit
memory/1208-10-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/1208-7-0x0000000000000000-mapping.dmp

Download
memory/2280-12-0x000000000051B4D0-mapping.dmp

Download
memory/2280-16-0x0000000000AB0000-0x0000000000B38000-memory.dmp

Filesize
544KB

Download
memory/2280-17-0x0000000002452000-0x0000000002453000-memory.dmp

Filesize
4KB

Download
memory/2920-6-0x0000000002262000-0x0000000002263000-memory.dmp

Filesize
4KB

Download
memory/2920-5-0x0000000002270000-0x00000000022F8000-memory.dmp

Filesize
544KB

Download
memory/2920-4-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/2920-1-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/2920-3-0x0000000000400000-0x000000000051D000-memory.dmp

Filesize
1.1MB

Download
memory/2920-2-0x000000000051B4D0-mapping.dmp

Download
memory/3456-21-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3456-20-0x0000000000411654-mapping.dmp

Download
memory/3456-19-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3636-0-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/3792-22-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3792-23-0x0000000000442628-mapping.dmp

Download
memory/3792-24-0x0000000000400000-0x0000000000458000-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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