850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2023 07:26

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General

Target

23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
Size

477KB
MD5

447f1d5a645314beb0b1d6b0f2f5119f
SHA1

23ee744fa24aaada6ab0a81166c2f5466d29d502
SHA256

850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92
SHA512

2a4ed5f9a933ef0330c81672c17623143ee0c3693d6c56c85632c0bac2b7a8fb049bae0af904a1bd2a16db8ac338d78d0928e0edc7f5d866170d25c19407e752
SSDEEP

3072:N36LY3qIwBzFyIR+DSbhsR2OsHas+8yqB1LuiCx8V8rIiJzQvstptE8z0N:N36hWsHtlLv8EiFES0

Score

7^/10

collection persistence spyware stealer

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Sfrdma = "\"C:\\Users\\Admin\\AppData\\Roaming\\Cffvs\\Sfrdma.exe\""	23ee744fa24aaada6ab0a81166c2f5466d29d502.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

51 api.ipify.org
54 api.ipify.org

flow	ioc
51	api.ipify.org
54	api.ipify.org

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{8FFD0E71-2C55-4940-9B99-CADA2A83DB73}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{2F5AF9B6-7ED1-4D87-BA7B-D597E459B147}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

description	pid	process	target process
PID 2228 set thread context of 2388	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe

Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exeipconfig.exe

pid process

3096 ipconfig.exe
3520 ipconfig.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4564 powershell.exe
4564 powershell.exe

pid	process
3096	ipconfig.exe
3520	ipconfig.exe

pid	process
4564	powershell.exe
4564	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

23ee744fa24aaada6ab0a81166c2f5466d29d502.exepowershell.exe23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

description	pid	process
Token: SeDebugPrivilege	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
Token: SeDebugPrivilege	4564	powershell.exe
Token: SeDebugPrivilege	2388	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

pid process

2388 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

pid	process
2388	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

23ee744fa24aaada6ab0a81166c2f5466d29d502.execmd.execmd.exe

description	pid	process	target process
PID 2228 wrote to memory of 900	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	cmd.exe
PID 2228 wrote to memory of 900	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	cmd.exe
PID 2228 wrote to memory of 900	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	cmd.exe
PID 900 wrote to memory of 3096	900	cmd.exe	ipconfig.exe
PID 900 wrote to memory of 3096	900	cmd.exe	ipconfig.exe
PID 900 wrote to memory of 3096	900	cmd.exe	ipconfig.exe
PID 2228 wrote to memory of 4564	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	powershell.exe
PID 2228 wrote to memory of 4564	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	powershell.exe
PID 2228 wrote to memory of 4564	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	powershell.exe
PID 2228 wrote to memory of 4340	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	cmd.exe
PID 2228 wrote to memory of 4340	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	cmd.exe
PID 2228 wrote to memory of 4340	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	cmd.exe
PID 4340 wrote to memory of 3520	4340	cmd.exe	ipconfig.exe
PID 4340 wrote to memory of 3520	4340	cmd.exe	ipconfig.exe
PID 4340 wrote to memory of 3520	4340	cmd.exe	ipconfig.exe
PID 2228 wrote to memory of 2388	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
PID 2228 wrote to memory of 2388	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
PID 2228 wrote to memory of 2388	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
PID 2228 wrote to memory of 2388	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
PID 2228 wrote to memory of 2388	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
PID 2228 wrote to memory of 2388	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
PID 2228 wrote to memory of 2388	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
PID 2228 wrote to memory of 2388	2228	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

outlook_office_path 1 IoCs

Processes:

23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

outlook_win_path 1 IoCs

Processes:

23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	23ee744fa24aaada6ab0a81166c2f5466d29d502.exe

C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
"C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ipconfig/release
2⤵
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /release
3⤵
- Gathers network information
PID:3096

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4564

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ipconfig/renew
2⤵
- Suspicious use of WriteProcessMemory
PID:4340

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /renew
3⤵
- Gathers network information
PID:3520

C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2388

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4696

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/900-134-0x0000000000000000-mapping.dmp

Download
memory/2228-132-0x00000000008D0000-0x000000000094C000-memory.dmp

Filesize
496KB

Download
memory/2228-133-0x00000000068B0000-0x00000000068D2000-memory.dmp

Filesize
136KB

Download
memory/2228-144-0x0000000005CA0000-0x0000000005D32000-memory.dmp

Filesize
584KB

Download
memory/2228-145-0x0000000007780000-0x0000000007D24000-memory.dmp

Filesize
5.6MB

Download
memory/2388-148-0x0000000000000000-mapping.dmp

Download
memory/2388-151-0x0000000006B50000-0x0000000006BA0000-memory.dmp

Filesize
320KB

Download
memory/2388-150-0x00000000069F0000-0x00000000069FA000-memory.dmp

Filesize
40KB

Download
memory/2388-149-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2388-152-0x0000000006D90000-0x0000000006F52000-memory.dmp

Filesize
1.8MB

Download
memory/3096-135-0x0000000000000000-mapping.dmp

Download
memory/3520-147-0x0000000000000000-mapping.dmp

Download
memory/4340-146-0x0000000000000000-mapping.dmp

Download
memory/4564-137-0x0000000002EA0000-0x0000000002ED6000-memory.dmp

Filesize
216KB

Download
memory/4564-143-0x00000000069A0000-0x00000000069BA000-memory.dmp

Filesize
104KB

Download
memory/4564-142-0x0000000007B00000-0x000000000817A000-memory.dmp

Filesize
6.5MB

Download
memory/4564-141-0x00000000064A0000-0x00000000064BE000-memory.dmp

Filesize
120KB

Download
memory/4564-140-0x0000000005730000-0x0000000005796000-memory.dmp

Filesize
408KB

Download
memory/4564-139-0x0000000005590000-0x00000000055F6000-memory.dmp

Filesize
408KB

Download
memory/4564-138-0x00000000057F0000-0x0000000005E18000-memory.dmp

Filesize
6.2MB

Download
memory/4564-136-0x0000000000000000-mapping.dmp

Download