2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a

General

Target

2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe
Size

628KB
MD5

aa325b98e7e74bd29564c815adf449a8
SHA1

665f7e46049987a8eb666d66d8055ef6721d630e
SHA256

2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a
SHA512

832cceaab68c7d070eb7ad4e676164dcb283b71e80633621e92e60279cd94f35201dafc62ec8ecce1c2ad8dfa93b68e90b48d46f22c87d3af1c23937847ac146

Score

8^/10

collection persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

firefox.exe

pid process

2020 firefox.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
2020	firefox.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

firefox.exevbc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\Desktop\\firefox.exe -boot"	firefox.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kennametal Inc = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Kennametal Inc\\Kennametal Inc.exe"	vbc.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

6 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

firefox.exe

description pid process target process

PID 2020 set thread context of 588 2020 firefox.exe vbc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

vbc.exe

pid process

588 vbc.exe
588 vbc.exe

flow	ioc
6	checkip.dyndns.org

description	pid	process	target process
PID 2020 set thread context of 588	2020	firefox.exe	vbc.exe

pid	process
588	vbc.exe
588	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exefirefox.exevbc.exe

description	pid	process
Token: SeDebugPrivilege	1100	2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe
Token: SeDebugPrivilege	2020	firefox.exe
Token: SeDebugPrivilege	588	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

588 vbc.exe

pid	process
588	vbc.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exeexplorer.exefirefox.exe

description	pid	process	target process
PID 1100 wrote to memory of 2032	1100	2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe	cmd.exe
PID 1100 wrote to memory of 2032	1100	2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe	cmd.exe
PID 1100 wrote to memory of 2032	1100	2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe	cmd.exe
PID 1100 wrote to memory of 2032	1100	2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe	cmd.exe
PID 1100 wrote to memory of 1168	1100	2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe	explorer.exe
PID 1100 wrote to memory of 1168	1100	2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe	explorer.exe
PID 1100 wrote to memory of 1168	1100	2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe	explorer.exe
PID 1100 wrote to memory of 1168	1100	2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe	explorer.exe
PID 1500 wrote to memory of 2020	1500	explorer.exe	firefox.exe
PID 1500 wrote to memory of 2020	1500	explorer.exe	firefox.exe
PID 1500 wrote to memory of 2020	1500	explorer.exe	firefox.exe
PID 1500 wrote to memory of 2020	1500	explorer.exe	firefox.exe
PID 2020 wrote to memory of 588	2020	firefox.exe	vbc.exe
PID 2020 wrote to memory of 588	2020	firefox.exe	vbc.exe
PID 2020 wrote to memory of 588	2020	firefox.exe	vbc.exe
PID 2020 wrote to memory of 588	2020	firefox.exe	vbc.exe
PID 2020 wrote to memory of 588	2020	firefox.exe	vbc.exe
PID 2020 wrote to memory of 588	2020	firefox.exe	vbc.exe
PID 2020 wrote to memory of 588	2020	firefox.exe	vbc.exe
PID 2020 wrote to memory of 588	2020	firefox.exe	vbc.exe
PID 2020 wrote to memory of 588	2020	firefox.exe	vbc.exe

outlook_office_path 1 IoCs

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe
"C:\Users\Admin\AppData\Local\Temp\2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a.exe" "C:\Users\Admin\Desktop\firefox.exe"
2⤵
PID:2032

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\Desktop\firefox.exe"
2⤵
PID:1168

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:1500

C:\Users\Admin\Desktop\firefox.exe
"C:\Users\Admin\Desktop\firefox.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:588

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

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\Desktop\firefox.exe
Filesize
628KB

MD5
aa325b98e7e74bd29564c815adf449a8

SHA1
665f7e46049987a8eb666d66d8055ef6721d630e

SHA256
2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a

SHA512
832cceaab68c7d070eb7ad4e676164dcb283b71e80633621e92e60279cd94f35201dafc62ec8ecce1c2ad8dfa93b68e90b48d46f22c87d3af1c23937847ac146

Download Submit
C:\Users\Admin\Desktop\firefox.exe
Filesize
628KB

MD5
aa325b98e7e74bd29564c815adf449a8

SHA1
665f7e46049987a8eb666d66d8055ef6721d630e

SHA256
2d51e8839680d32501ca98ea74ccfa56189c28d483968acd8309ea38f6745f7a

SHA512
832cceaab68c7d070eb7ad4e676164dcb283b71e80633621e92e60279cd94f35201dafc62ec8ecce1c2ad8dfa93b68e90b48d46f22c87d3af1c23937847ac146

Download Submit
memory/588-77-0x0000000000080000-0x00000000000B6000-memory.dmp

Filesize
216KB

Download
memory/588-69-0x0000000000080000-0x00000000000B6000-memory.dmp

Filesize
216KB

Download
memory/588-75-0x00000000004317BE-mapping.dmp

Download
memory/588-73-0x0000000000080000-0x00000000000B6000-memory.dmp

Filesize
216KB

Download
memory/588-87-0x0000000004965000-0x0000000004976000-memory.dmp

Filesize
68KB

Download
memory/588-72-0x0000000000080000-0x00000000000B6000-memory.dmp

Filesize
216KB

Download
memory/588-86-0x0000000000690000-0x000000000069A000-memory.dmp

Filesize
40KB

Download
memory/588-70-0x0000000000080000-0x00000000000B6000-memory.dmp

Filesize
216KB

Download
memory/588-84-0x0000000000080000-0x00000000000B6000-memory.dmp

Filesize
216KB

Download
memory/588-81-0x0000000000080000-0x00000000000B6000-memory.dmp

Filesize
216KB

Download
memory/588-76-0x0000000000080000-0x00000000000B6000-memory.dmp

Filesize
216KB

Download
memory/1100-54-0x00000000009D0000-0x0000000000A70000-memory.dmp

Filesize
640KB

Download
memory/1100-55-0x00000000002F0000-0x000000000030A000-memory.dmp

Filesize
104KB

Download
memory/1100-56-0x00000000762C1000-0x00000000762C3000-memory.dmp

Filesize
8KB

Download
memory/1168-60-0x000000006FF61000-0x000000006FF63000-memory.dmp

Filesize
8KB

Download
memory/1168-58-0x0000000000000000-mapping.dmp

Download
memory/1500-61-0x000007FEFC111000-0x000007FEFC113000-memory.dmp

Filesize
8KB

Download
memory/2020-68-0x0000000000286000-0x0000000000289000-memory.dmp

Filesize
12KB

Download
memory/2020-67-0x0000000000286000-0x0000000000289000-memory.dmp

Filesize
12KB

Download
memory/2020-65-0x00000000002F0000-0x0000000000390000-memory.dmp

Filesize
640KB

Download
memory/2020-63-0x0000000000000000-mapping.dmp

Download
memory/2032-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads