345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7

Analysis

max time kernel
129s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
19/06/2022, 21:52

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General

Target

345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe
Size

1.1MB
MD5

f1168458e9896689210ed1f3b1622a6c
SHA1

13eb79d42211367ac3b2434110c48421b74546aa
SHA256

345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7
SHA512

da1f4139aa22521ae28332cf608412d7a6dda6a38d9119b963870f89500c1be659deab21b319303f6ed7438fcdc18e7cf0bf80f121591aa7ecb661710ed106f6

Score

9^/10

collection

Malware Config

Signatures

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/3144-147-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/3144-149-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/3144-150-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4256-140-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/4256-142-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/4256-143-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral2/memory/4256-144-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

resource	yara_rule
behavioral2/memory/4256-140-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/4256-142-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/4256-143-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/4256-144-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral2/memory/3144-147-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/3144-149-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/3144-150-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	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.

flow	ioc
48	bot.whatismyipaddress.com

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 5056 set thread context of 4600	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	92
PID 4600 set thread context of 4256	4600	RegAsm.exe	93
PID 4600 set thread context of 3144	4600	RegAsm.exe	94

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1096	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe
5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe
4256	vbc.exe
4256	vbc.exe
4256	vbc.exe
4256	vbc.exe
4256	vbc.exe
4256	vbc.exe
4256	vbc.exe
4256	vbc.exe
4256	vbc.exe
4256	vbc.exe
4256	vbc.exe
4256	vbc.exe
4600	RegAsm.exe
4600	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe
Token: SeDebugPrivilege	4600	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4600	RegAsm.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 1096	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	90
PID 5056 wrote to memory of 1096	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	90
PID 5056 wrote to memory of 1096	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	90
PID 5056 wrote to memory of 4600	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	92
PID 5056 wrote to memory of 4600	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	92
PID 5056 wrote to memory of 4600	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	92
PID 5056 wrote to memory of 4600	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	92
PID 5056 wrote to memory of 4600	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	92
PID 5056 wrote to memory of 4600	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	92
PID 5056 wrote to memory of 4600	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	92
PID 5056 wrote to memory of 4600	5056	345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe	92
PID 4600 wrote to memory of 4256	4600	RegAsm.exe	93
PID 4600 wrote to memory of 4256	4600	RegAsm.exe	93
PID 4600 wrote to memory of 4256	4600	RegAsm.exe	93
PID 4600 wrote to memory of 4256	4600	RegAsm.exe	93
PID 4600 wrote to memory of 4256	4600	RegAsm.exe	93
PID 4600 wrote to memory of 4256	4600	RegAsm.exe	93
PID 4600 wrote to memory of 4256	4600	RegAsm.exe	93
PID 4600 wrote to memory of 4256	4600	RegAsm.exe	93
PID 4600 wrote to memory of 4256	4600	RegAsm.exe	93
PID 4600 wrote to memory of 3144	4600	RegAsm.exe	94
PID 4600 wrote to memory of 3144	4600	RegAsm.exe	94
PID 4600 wrote to memory of 3144	4600	RegAsm.exe	94
PID 4600 wrote to memory of 3144	4600	RegAsm.exe	94
PID 4600 wrote to memory of 3144	4600	RegAsm.exe	94
PID 4600 wrote to memory of 3144	4600	RegAsm.exe	94
PID 4600 wrote to memory of 3144	4600	RegAsm.exe	94
PID 4600 wrote to memory of 3144	4600	RegAsm.exe	94
PID 4600 wrote to memory of 3144	4600	RegAsm.exe	94

C:\Users\Admin\AppData\Local\Temp\345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe
"C:\Users\Admin\AppData\Local\Temp\345041b00180bad7206359e55d8fb1da78eec16beca7370df1eef6cbe45b04c7.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\inRFpfPsUl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A8A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1096
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4600
- - 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\tmp593C.tmp"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4256
- - 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\tmp5D53.tmp"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:3144

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2A8A.tmp

Filesize
1KB

MD5
a6b27e11a1c475dbb44a8cc366d6d83d

SHA1
22b9e64b237a736c91e799377435b2a7cd5d0d62

SHA256
e5016a851c16fa9ad88052fb91b27aa9d41389b0d59f5adcd4828a5b00c4fc7c

SHA512
2462166799a4884a07f565493ccfcdd545a4b84c98d7b84fa0591bd335dc260f35b0a2a812f2408a7836f2638ba2d55b3a41adb8719ff56b8d146b42ede901cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp593C.tmp

Filesize
4KB

MD5
92b3d04dbcf7aa8eabb0096c55624068

SHA1
04a3b14a8f16bdd8a67f1b5d6be8c3db79c766c7

SHA256
84e388e2bbff6a229d99df8d7e0558e46e793106c2f3bb290c6acc06fe31fe9c

SHA512
fbd6a298b66e2117f68028cdf9fa1b3e441f87fa8a052ce1be628ae65116d5b2953cdc8117dce57e86475a75412b1a85f431eb0da6dd788ec5312d34ff71f9d1

Download Submit
memory/3144-150-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3144-149-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3144-147-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4256-144-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4256-140-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4256-142-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4256-143-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4600-138-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/4600-137-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/5056-130-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/5056-136-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/5056-131-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download