864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8

General

Target

864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
Size

524KB
MD5

06cc29e1aa42737cc69ae959c8780f90
SHA1

5b0b8056b0b3a53ab31160131f7df0126821a4a0
SHA256

864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8
SHA512

9dee67aab7c2c928cc1fe0353861d38dca1071a4163203bbea23c7e42057de768e685c05a7fd3a64a2f91c9d071c2d96713750f54c11c44b708d038da4757ae7
SSDEEP

12288:AMMMMMMMMMMMMMMMMMMvDMMMMMMMMMMMMMMMMMMmWyW985x6joFCI01PoE4BMGGm:AMMMMMMMMMMMMMMMMMMvDMMMMMMMMMMi

Score

10^/10

persistence spyware stealer

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Users\\Admin\\AppData\\Roaming\\PcHealth\\PcHealth.exe,explorer.exe"	reg.exe

NirSoft MailPassView 10 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/428-63-0x0000000000400000-0x000000000048C000-memory.dmp	MailPassView
behavioral1/memory/428-65-0x0000000000400000-0x000000000048C000-memory.dmp	MailPassView
behavioral1/memory/428-67-0x0000000000485ABE-mapping.dmp	MailPassView
behavioral1/memory/428-66-0x0000000000400000-0x000000000048C000-memory.dmp	MailPassView
behavioral1/memory/428-69-0x0000000000400000-0x000000000048C000-memory.dmp	MailPassView
behavioral1/memory/428-71-0x0000000000400000-0x000000000048C000-memory.dmp	MailPassView
behavioral1/memory/824-77-0x0000000000411654-mapping.dmp	MailPassView
behavioral1/memory/824-76-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/824-80-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/824-82-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 6 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/428-63-0x0000000000400000-0x000000000048C000-memory.dmp	WebBrowserPassView
behavioral1/memory/428-65-0x0000000000400000-0x000000000048C000-memory.dmp	WebBrowserPassView
behavioral1/memory/428-67-0x0000000000485ABE-mapping.dmp	WebBrowserPassView
behavioral1/memory/428-66-0x0000000000400000-0x000000000048C000-memory.dmp	WebBrowserPassView
behavioral1/memory/428-69-0x0000000000400000-0x000000000048C000-memory.dmp	WebBrowserPassView
behavioral1/memory/428-71-0x0000000000400000-0x000000000048C000-memory.dmp	WebBrowserPassView

Nirsoft 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/428-63-0x0000000000400000-0x000000000048C000-memory.dmp	Nirsoft
behavioral1/memory/428-65-0x0000000000400000-0x000000000048C000-memory.dmp	Nirsoft
behavioral1/memory/428-67-0x0000000000485ABE-mapping.dmp	Nirsoft
behavioral1/memory/428-66-0x0000000000400000-0x000000000048C000-memory.dmp	Nirsoft
behavioral1/memory/428-69-0x0000000000400000-0x000000000048C000-memory.dmp	Nirsoft
behavioral1/memory/428-71-0x0000000000400000-0x000000000048C000-memory.dmp	Nirsoft
behavioral1/memory/824-77-0x0000000000411654-mapping.dmp	Nirsoft
behavioral1/memory/824-76-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/824-80-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/824-82-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft

Loads dropped DLL 1 IoCs

Processes:

864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe

pid process

1188 864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 whatismyipaddress.com
6 whatismyipaddress.com
7 whatismyipaddress.com

flow	ioc
4	whatismyipaddress.com
6	whatismyipaddress.com
7	whatismyipaddress.com

Suspicious use of SetThreadContext 2 IoCs

Processes:

864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe

description	pid	process	target process
PID 1188 set thread context of 428	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 428 set thread context of 824	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.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:

864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe

pid	process
1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe

description	pid	process
Token: SeDebugPrivilege	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
Token: SeDebugPrivilege	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe

pid process

428 864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe

pid	process
428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.execmd.exe864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe

description	pid	process	target process
PID 1188 wrote to memory of 1696	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	cmd.exe
PID 1188 wrote to memory of 1696	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	cmd.exe
PID 1188 wrote to memory of 1696	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	cmd.exe
PID 1188 wrote to memory of 1696	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	cmd.exe
PID 1696 wrote to memory of 988	1696	cmd.exe	reg.exe
PID 1696 wrote to memory of 988	1696	cmd.exe	reg.exe
PID 1696 wrote to memory of 988	1696	cmd.exe	reg.exe
PID 1696 wrote to memory of 988	1696	cmd.exe	reg.exe
PID 1188 wrote to memory of 1444	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 1444	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 1444	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 1444	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 428	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 428	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 428	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 428	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 428	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 428	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 428	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 428	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 1188 wrote to memory of 428	1188	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
PID 428 wrote to memory of 824	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	vbc.exe
PID 428 wrote to memory of 824	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	vbc.exe
PID 428 wrote to memory of 824	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	vbc.exe
PID 428 wrote to memory of 824	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	vbc.exe
PID 428 wrote to memory of 824	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	vbc.exe
PID 428 wrote to memory of 824	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	vbc.exe
PID 428 wrote to memory of 824	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	vbc.exe
PID 428 wrote to memory of 824	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	vbc.exe
PID 428 wrote to memory of 824	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	vbc.exe
PID 428 wrote to memory of 824	428	864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
"C:\Users\Admin\AppData\Local\Temp\864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1188

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\PcHealth\PcHealth.exe,explorer.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\PcHealth\PcHealth.exe,explorer.exe"
3⤵
- Modifies WinLogon for persistence
PID:988

C:\Users\Admin\AppData\Local\Temp\864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
"C:\Users\Admin\AppData\Local\Temp\864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe"
2⤵
PID:1444

C:\Users\Admin\AppData\Local\Temp\864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe
"C:\Users\Admin\AppData\Local\Temp\864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:428

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"
3⤵
PID:824

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Scripting

1

T1064

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Roaming\PcHealth\PcHealth.exe
Filesize
524KB

MD5
06cc29e1aa42737cc69ae959c8780f90

SHA1
5b0b8056b0b3a53ab31160131f7df0126821a4a0

SHA256
864c60986b6f51d4dc811b9b897865705d1db27e6299fd00d5ce822b4b02d9f8

SHA512
9dee67aab7c2c928cc1fe0353861d38dca1071a4163203bbea23c7e42057de768e685c05a7fd3a64a2f91c9d071c2d96713750f54c11c44b708d038da4757ae7

Download Submit
memory/428-74-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/428-75-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/428-66-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/428-71-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/428-69-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/428-60-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/428-61-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/428-63-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/428-65-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/428-67-0x0000000000485ABE-mapping.dmp

Download
memory/428-81-0x00000000023A5000-0x00000000023B6000-memory.dmp

Filesize
68KB

Download
memory/824-77-0x0000000000411654-mapping.dmp

Download
memory/824-76-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/824-80-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/824-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/988-59-0x0000000000000000-mapping.dmp

Download
memory/1188-73-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/1188-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download
memory/1188-56-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/1188-55-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/1696-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads