4fbc2050706302678bbf31e2654da5905f41e8cbd98e4ad25fef3b4dd76346a9

General

Target

file.exe
Size

1.6MB
MD5

8cc2ad5aaa5f50b4a34dc5875b9c55ea
SHA1

9074a4475f7a9e4954b169071bef9e62b8b9a2d6
SHA256

4fbc2050706302678bbf31e2654da5905f41e8cbd98e4ad25fef3b4dd76346a9
SHA512

04e6ff2de85b84b659a9fd61675cec7bd98cbd91cc398e203246811e3f612e11d64a0f95b2bed691e84d01e075f6e9d3c68af13ed737f84b2781f307a6b855c0
SSDEEP

49152:qWg8wUmZOzqiavjDUJO/WH89ctcO0ljbbQnIQGotBKq98TJCHEGU42sn6:ZiUmZOzqiavjDUM/WH89y8bboGO

Score

7^/10

collection discovery persistence spyware stealer

Malware Config

Signatures

Drops startup file 1 IoCs

Processes:

file.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk file.exe
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	file.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

file.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

file.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	file.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

19 ipinfo.io
21 ipinfo.io

flow	ioc
19	ipinfo.io
21	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

file.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	file.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	file.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	file.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	file.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3524 5068 WerFault.exe file.exe

pid	pid_target	process	target process
3524	5068	WerFault.exe	file.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

file.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4444 schtasks.exe
4016 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exe

pid process

5068 file.exe
5068 file.exe

pid	process
4444	schtasks.exe
4016	schtasks.exe

pid	process
5068	file.exe
5068	file.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

file.exe

description	pid	process	target process
PID 5068 wrote to memory of 4444	5068	file.exe	schtasks.exe
PID 5068 wrote to memory of 4444	5068	file.exe	schtasks.exe
PID 5068 wrote to memory of 4444	5068	file.exe	schtasks.exe
PID 5068 wrote to memory of 4016	5068	file.exe	schtasks.exe
PID 5068 wrote to memory of 4016	5068	file.exe	schtasks.exe
PID 5068 wrote to memory of 4016	5068	file.exe	schtasks.exe

outlook_office_path 1 IoCs

Processes:

file.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

outlook_win_path 1 IoCs

Processes:

file.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Drops startup file
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:5068

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
2⤵
- Creates scheduled task(s)
PID:4444

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
2⤵
- Creates scheduled task(s)
PID:4016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 1688
2⤵
- Program crash
PID:3524

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4664

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5068 -ip 5068
1⤵
PID:3808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

Filesize
1.6MB

MD5
8cc2ad5aaa5f50b4a34dc5875b9c55ea

SHA1
9074a4475f7a9e4954b169071bef9e62b8b9a2d6

SHA256
4fbc2050706302678bbf31e2654da5905f41e8cbd98e4ad25fef3b4dd76346a9

SHA512
04e6ff2de85b84b659a9fd61675cec7bd98cbd91cc398e203246811e3f612e11d64a0f95b2bed691e84d01e075f6e9d3c68af13ed737f84b2781f307a6b855c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\grandUIAYo84tnvXYb_65\information.txt

Filesize
3KB

MD5
c86d8aeff66fa03045755babcab06775

SHA1
cee2c4e1154a7dc73999d882023d69bfb7a1766a

SHA256
5a7043cfb69c03a1f80fd5817f6f091055a1f39a890aadaf42515ab5a0863e4c

SHA512
2e129ba533c1afa73ddae9e3fc19473aae89c48aed1cf0a2b1399724ea2c6c171b5e6bae3d02d8dd9daa2587c7d063f6be4b2112397ffbf118b670f5ddc9676f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads