83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5

General

Target

83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe
Size

1.6MB
MD5

ad8c89b647a911f51bfbcf65a0275f07
SHA1

2da83b9578761e89d7ca477d3ea6f9bc1cb74107
SHA256

83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5
SHA512

e3d3baf8d7a7e9a586d9ca24b3c5cc07c3d3c9c6ca8322c6ad0cf9aca1588148e4fd6e9d7fa55fd1532bd9767dd1efd8e74e3bd81b9c7775853cb36184ad57d2
SSDEEP

49152:qWg8wUmZOzqiavjDUJO/WH89ctcO0ljbbQnIQGotBKqy8TJCHEGU42sn6:ZiUmZOzqiavjDUM/WH89y8bboGO

Score

7^/10

collection discovery persistence spyware stealer

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-257917760-896317077-2851672318-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe
Key opened	\REGISTRY\USER\S-1-5-21-257917760-896317077-2851672318-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe
Key opened	\REGISTRY\USER\S-1-5-21-257917760-896317077-2851672318-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-257917760-896317077-2851672318-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.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.

flow	ioc
4	ipinfo.io
5	ipinfo.io

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe
File opened for modification	C:\Windows\System32\GroupPolicy	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
712	4132	WerFault.exe	73

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.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

pid	Process
2092	schtasks.exe
2880	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4132	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe
4132	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 2092	4132	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe	74
PID 4132 wrote to memory of 2092	4132	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe	74
PID 4132 wrote to memory of 2092	4132	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe	74
PID 4132 wrote to memory of 2880	4132	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe	79
PID 4132 wrote to memory of 2880	4132	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe	79
PID 4132 wrote to memory of 2880	4132	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe	79

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-257917760-896317077-2851672318-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-257917760-896317077-2851672318-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe

C:\Users\Admin\AppData\Local\Temp\83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.exe
"C:\Users\Admin\AppData\Local\Temp\83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5.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:4132
- 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:2092
- 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:2880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4132 -s 1564
  2⤵
  - Program crash
  PID:712

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc
1⤵
PID:1948

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4748

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
ad8c89b647a911f51bfbcf65a0275f07

SHA1
2da83b9578761e89d7ca477d3ea6f9bc1cb74107

SHA256
83c629bfc93ef9bd474915d73a6021643dd5bf333cca963c4158054486fa7be5

SHA512
e3d3baf8d7a7e9a586d9ca24b3c5cc07c3d3c9c6ca8322c6ad0cf9aca1588148e4fd6e9d7fa55fd1532bd9767dd1efd8e74e3bd81b9c7775853cb36184ad57d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\grandUIAys9fG9_PDACPy\information.txt

Filesize
3KB

MD5
8a78fb665f2d8a0d01ea69cbc60f2f03

SHA1
baaa7daca8fcdca3cb1e1bffcfbb43c0cb397963

SHA256
85b69d05adb791d58454eed772c22afe16d3a11372cfefb4da8fb97d8003b83f

SHA512
f8ae4d9b4f30c97cfca937a9a6a1a3aa067f89c70420686f879aa2777de0bffd27ed1851d0a0172f8881d2d8818c30dff98ccc82f09be890a4c5a06f1800656b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads