d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571

General

Target

d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
Size

542KB
MD5

ec0c19ddbb83f0f66e5b8a1dac19d600
SHA1

a65a6c285c16481b69c4beb0a0f18ee8d4ef1410
SHA256

d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571
SHA512

48e0b114931c49dbce9cc90c4f4c29c64ad9890633f8ad97177418a602fe1b61b49f8bd7c2c2f81fb09ad3432c044981cdc4eacd7829aaae13090d39cfa51e87
SSDEEP

12288:9B8fdm0caw0mnTsF2ruFbKE48qEiSgemF6Tsl+hzNq7pCEZB/rlgH1PNf:9B8fQ1azQgj9KIq5SgJj0NN8CEnGn

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:

d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\CcKEMf4hCX8YAdYc\\1J0sJ16VQR5c.exe\",explorer.exe"	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe

NirSoft MailPassView 11 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/672-59-0x0000000000400000-0x000000000048C000-memory.dmp	MailPassView
behavioral1/memory/672-61-0x0000000000400000-0x000000000048C000-memory.dmp	MailPassView
behavioral1/memory/672-62-0x0000000000400000-0x000000000048C000-memory.dmp	MailPassView
behavioral1/memory/672-63-0x0000000000485A9E-mapping.dmp	MailPassView
behavioral1/memory/672-65-0x0000000000400000-0x000000000048C000-memory.dmp	MailPassView
behavioral1/memory/672-67-0x0000000000400000-0x000000000048C000-memory.dmp	MailPassView
behavioral1/memory/1728-73-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1728-74-0x0000000000411654-mapping.dmp	MailPassView
behavioral1/memory/1728-77-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1728-78-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1728-79-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 6 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/672-59-0x0000000000400000-0x000000000048C000-memory.dmp	WebBrowserPassView
behavioral1/memory/672-61-0x0000000000400000-0x000000000048C000-memory.dmp	WebBrowserPassView
behavioral1/memory/672-62-0x0000000000400000-0x000000000048C000-memory.dmp	WebBrowserPassView
behavioral1/memory/672-63-0x0000000000485A9E-mapping.dmp	WebBrowserPassView
behavioral1/memory/672-65-0x0000000000400000-0x000000000048C000-memory.dmp	WebBrowserPassView
behavioral1/memory/672-67-0x0000000000400000-0x000000000048C000-memory.dmp	WebBrowserPassView

Nirsoft 11 IoCs

Processes:

resource	yara_rule
behavioral1/memory/672-59-0x0000000000400000-0x000000000048C000-memory.dmp	Nirsoft
behavioral1/memory/672-61-0x0000000000400000-0x000000000048C000-memory.dmp	Nirsoft
behavioral1/memory/672-62-0x0000000000400000-0x000000000048C000-memory.dmp	Nirsoft
behavioral1/memory/672-63-0x0000000000485A9E-mapping.dmp	Nirsoft
behavioral1/memory/672-65-0x0000000000400000-0x000000000048C000-memory.dmp	Nirsoft
behavioral1/memory/672-67-0x0000000000400000-0x000000000048C000-memory.dmp	Nirsoft
behavioral1/memory/1728-73-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1728-74-0x0000000000411654-mapping.dmp	Nirsoft
behavioral1/memory/1728-77-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1728-78-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1728-79-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft

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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 whatismyipaddress.com
6 whatismyipaddress.com

flow	ioc
4	whatismyipaddress.com
6	whatismyipaddress.com

Suspicious use of SetThreadContext 2 IoCs

Processes:

d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exed821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe

description	pid	process	target process
PID 2036 set thread context of 672	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 672 set thread context of 1728	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	vbc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exed821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe

pid	process
2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exed821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe

description	pid	process
Token: SeDebugPrivilege	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
Token: SeDebugPrivilege	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe

pid process

672 d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe

pid	process
672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exed821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe

description	pid	process	target process
PID 2036 wrote to memory of 752	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 752	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 752	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 752	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 672	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 672	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 672	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 672	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 672	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 672	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 672	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 672	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 2036 wrote to memory of 672	2036	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
PID 672 wrote to memory of 1728	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	vbc.exe
PID 672 wrote to memory of 1728	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	vbc.exe
PID 672 wrote to memory of 1728	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	vbc.exe
PID 672 wrote to memory of 1728	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	vbc.exe
PID 672 wrote to memory of 1728	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	vbc.exe
PID 672 wrote to memory of 1728	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	vbc.exe
PID 672 wrote to memory of 1728	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	vbc.exe
PID 672 wrote to memory of 1728	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	vbc.exe
PID 672 wrote to memory of 1728	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	vbc.exe
PID 672 wrote to memory of 1728	672	d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
"C:\Users\Admin\AppData\Local\Temp\d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036

C:\Users\Admin\AppData\Local\Temp\d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
"C:\Users\Admin\AppData\Local\Temp\d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe"
2⤵
PID:752

C:\Users\Admin\AppData\Local\Temp\d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe
"C:\Users\Admin\AppData\Local\Temp\d821a78d94ff4dd593074f2694ca8775c90eda22fc843fb7883d6c8f1971c571.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:672

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:1728

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

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/672-65-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/672-72-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/672-67-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/672-57-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/672-59-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/672-61-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/672-62-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/672-63-0x0000000000485A9E-mapping.dmp

Download
memory/672-56-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download
memory/672-69-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/1728-79-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1728-73-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1728-74-0x0000000000411654-mapping.dmp

Download
memory/1728-77-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1728-78-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2036-70-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-71-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-55-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-54-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads